[socket] Apply SO_REUSEADDR to the pcb and unmap IPv4-mapped IPv6 destinations

# Conflicts:
#	esphome/components/socket/__init__.py

.claude/settings.json

@@ -0,0 +1,16 @@
+{
+  "hooks": {
+    "SessionStart": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "d=\"${CLAUDE_PROJECT_DIR:-.}\"; [ -x \"$d/venv/bin/python\" ] || { mkdir -p \"$d/.temp\"; env -u VIRTUAL_ENV \"$d/script/setup\" >\"$d/.temp/setup.log\" 2>&1 || echo '{\"systemMessage\":\"script/setup failed; see .temp/setup.log\"}'; }",
+            "statusMessage": "Setting up dev environment (script/setup)...",
+            "timeout": 900
+          }
+        ]
+      }
+    ]
+  }
+}

.github/actions/cache-arduino8266/action.yml

@@ -1,39 +0,0 @@
-name: Cache Arduino ESP8266
-description: >
-  Resolve the pinned Arduino core and xtensa toolchain versions and cache the
-  native ESP8266 install (~110 MB framework + toolchain; no ccache store, the
-  seed job saves before any compile runs). Exports
-  ESPHOME_ARDUINO8266_PREFIX to the job so every later step installs into
-  the cached path; the Python venv must already be restored. Mirrors
-  cache-esp-idf: only dev-branch pushes write the shared cache, everything
-  else restores.
-runs:
-  using: composite
-  steps:
-    - name: Resolve the native toolchain cache key
-      # Versions are pinned in code, not a hashable file; resolve them so a
-      # bump changes the cache key. Assignment form so errexit catches a
-      # resolver failure.
-      id: version
-      shell: bash
-      run: |
-        # One owner for the install prefix: exported here and referenced by
-        # the cache steps below via env, so the caller's install and the
-        # cached path cannot diverge.
-        echo "ESPHOME_ARDUINO8266_PREFIX=$HOME/.esphome-arduino8266" >> "$GITHUB_ENV"
-        . venv/bin/activate
-        key=$(python -c 'from esphome.components.esp8266 import RECOMMENDED_ARDUINO_FRAMEWORK_VERSION as f; from esphome.arduino8266.framework import TOOLCHAIN_VERSION as t; print(f"{f}-{t}")')
-        [ -n "$key" ] || exit 1
-        echo "key=$key" >> "$GITHUB_OUTPUT"
-    - name: Cache the native toolchain (write on dev)
-      if: github.ref == 'refs/heads/dev'
-      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-      with:
-        path: ${{ env.ESPHOME_ARDUINO8266_PREFIX }}
-        key: ${{ runner.os }}-esp8266-native-${{ steps.version.outputs.key }}
-    - name: Restore the native toolchain (off dev)
-      if: github.ref != 'refs/heads/dev'
-      uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-      with:
-        path: ${{ env.ESPHOME_ARDUINO8266_PREFIX }}
-        key: ${{ runner.os }}-esp8266-native-${{ steps.version.outputs.key }}

.github/workflows/ci-docker.yml

@@ -21,7 +21,6 @@ on:
       - "esphome/core/**"
       - "esphome/writer.py"
       - "esphome/build_gen/**"
-      - "esphome/build_helpers/**"
       - "esphome/espidf/**"
       - "esphome/platformio/**"
       - "esphome/components/bk72xx/**"
@@ -198,7 +197,6 @@ jobs:
         # the default.
         id:
           - esp8266-arduino
-          - esp8266-arduino-native
           - esp32-arduino-platformio
           - esp32-arduino-esp-idf
           - esp32-idf-platformio
@@ -209,16 +207,6 @@ jobs:
           - ln882x-arduino
           - nrf52
           - host
-        # Strict by default so a new matrix id cannot silently join in the
-        # degrade-quietly mode the knob exists to catch.
-        # Opt-outs: libretiny GCC rejects its own pch until a toolchain bump.
-        include:
-          - id: bk72xx-arduino
-            pch_strict: "0"
-          - id: rtl87xx-arduino
-            pch_strict: "0"
-          - id: ln882x-arduino
-            pch_strict: "0"
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Download image artifact
@@ -230,7 +218,6 @@ jobs:
       - name: Compile ${{ matrix.id }}
         run: |
           docker run --rm \
-            -e ESPHOME_PCH_STRICT="${{ matrix.pch_strict || '1' }}" \
             -v "${{ github.workspace }}/docker/test_configs:/config" \
             "ghcr.io/esphome/esphome-amd64:${{ needs.check-docker.outputs.tag }}" \
             compile "${{ matrix.id }}.yaml"

.github/workflows/ci.yml

@@ -101,8 +101,6 @@ jobs:
       device-builder: ${{ steps.determine.outputs.device-builder }}
       esp32-platformio: ${{ steps.determine.outputs.esp32-platformio }}
       esp32-platformio-components: ${{ steps.determine.outputs.esp32-platformio-components }}
-      esp8266-native: ${{ steps.determine.outputs.esp8266-native }}
-      esp8266-native-components: ${{ steps.determine.outputs.esp8266-native-components }}
       changed-components: ${{ steps.determine.outputs.changed-components }}
       changed-components-with-tests: ${{ steps.determine.outputs.changed-components-with-tests }}
       directly-changed-components-with-tests: ${{ steps.determine.outputs.directly-changed-components-with-tests }}
@@ -163,8 +161,6 @@ jobs:
           echo "device-builder=$(echo "$output" | jq -r '.device_builder')" >> $GITHUB_OUTPUT
           echo "esp32-platformio=$(echo "$output" | jq -r '.esp32_platformio')" >> $GITHUB_OUTPUT
           echo "esp32-platformio-components=$(echo "$output" | jq -r '.esp32_platformio_components')" >> $GITHUB_OUTPUT
-          echo "esp8266-native=$(echo "$output" | jq -r '.esp8266_native')" >> $GITHUB_OUTPUT
-          echo "esp8266-native-components=$(echo "$output" | jq -r '.esp8266_native_components')" >> $GITHUB_OUTPUT
           echo "changed-components=$(echo "$output" | jq -c '.changed_components')" >> $GITHUB_OUTPUT
           echo "changed-components-with-tests=$(echo "$output" | jq -c '.changed_components_with_tests')" >> $GITHUB_OUTPUT
           echo "directly-changed-components-with-tests=$(echo "$output" | jq -c '.directly_changed_components_with_tests')" >> $GITHUB_OUTPUT
@@ -183,32 +179,6 @@ jobs:
           path: .temp/components_graph.json
           key: components-graph-${{ hashFiles('esphome/components/**/*.py') }}
 
-  seed-esp8266-native-cache:
-    name: Seed the esp8266 native toolchain cache
-    runs-on: ubuntu-24.04
-    needs:
-      - common
-    # PR-branch cache saves are invisible to other PRs, so dev pushes seed
-    # the shared entry test-esp8266-native restores. Only dev: the composite
-    # action saves nowhere else, so a beta/release push would download the
-    # toolchain and discard it.
-    if: github.event_name == 'push' && github.ref == 'refs/heads/dev'
-    timeout-minutes: 15
-    steps:
-      - name: Check out code from GitHub
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - name: Restore Python
-        uses: ./.github/actions/restore-python
-        with:
-          python-version: ${{ env.DEFAULT_PYTHON }}
-          cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: Cache the native toolchain
-        uses: ./.github/actions/cache-arduino8266
-      - name: Install the native toolchain
-        run: |
-          . venv/bin/activate
-          python -c "from esphome.arduino8266.framework import check_and_install; from esphome.components.esp8266 import RECOMMENDED_ARDUINO_FRAMEWORK_VERSION; check_and_install(RECOMMENDED_ARDUINO_FRAMEWORK_VERSION)"
-
   ci-custom:
     name: Run script/ci-custom
     runs-on: ubuntu-24.04
@@ -1162,7 +1132,7 @@ jobs:
 
           # compile validates config first, so a separate config pass is
           # redundant for this smoke test. ESP-IDF framework via PlatformIO:
-          python3 script/test_build_components.py -e compile -t esp32-idf -c "$TEST_COMPONENTS" -f --toolchain platformio --fail-on-no-tests
+          python3 script/test_build_components.py -e compile -t esp32-idf -c "$TEST_COMPONENTS" -f --toolchain platformio
 
           echo ""
           echo "ESP-IDF-via-PlatformIO build passed! Starting Arduino smoke test..."
@@ -1171,42 +1141,6 @@ jobs:
           # Arduino framework via PlatformIO (only components with an esp32-ard test are built):
           python3 script/test_build_components.py -e compile -t esp32-ard -c "$TEST_COMPONENTS" -f --toolchain platformio
 
-  test-esp8266-native:
-    name: Test esp8266 components with the native toolchain
-    runs-on: ubuntu-24.04
-    needs:
-      - common
-      - determine-jobs
-    if: github.event_name == 'pull_request' && needs.determine-jobs.outputs.esp8266-native == 'true'
-    env:
-      # Computed by script/determine-jobs.py (ESP8266_NATIVE_TEST_COMPONENTS)
-      TEST_COMPONENTS: ${{ needs.determine-jobs.outputs.esp8266-native-components }}
-    steps:
-      - name: Check out code from GitHub
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-
-      - name: Restore Python
-        uses: ./.github/actions/restore-python
-        with:
-          python-version: ${{ env.DEFAULT_PYTHON }}
-          cache-key: ${{ needs.common.outputs.cache-key }}
-
-      - name: Cache the native toolchain
-        uses: ./.github/actions/cache-arduino8266
-
-      - name: Run native toolchain compile test
-        run: |
-          . venv/bin/activate
-
-          echo "Testing components: $TEST_COMPONENTS"
-          echo ""
-
-          # ESP8266 Arduino built directly (no PlatformIO); compile validates
-          # config first, so a separate config pass is redundant. Strict pch:
-          # exercises the native ninja pch (and its probe edge) against real
-          # component configs; the docker matrix smoke-tests both toolchains.
-          ESPHOME_PCH_STRICT=1 python3 script/test_build_components.py -e compile -t esp8266-ard -c "$TEST_COMPONENTS" -f --toolchain arduino --fail-on-no-tests
-
   device-builder:
     name: Test downstream esphome/device-builder
     runs-on: ubuntu-24.04
@@ -1569,7 +1503,6 @@ jobs:
     needs:
       - common
       - seed-apt-cache
-      - seed-esp8266-native-cache
       - determine-jobs
       - ci-custom
       - pylint
@@ -1585,7 +1518,6 @@ jobs:
       - clang-tidy-esp32-variants
       - test-build-components-split
       - test-esp32-platformio
-      - test-esp8266-native
       - device-builder
       - memory-impact-target-branch
       - memory-impact-pr-branch

docker/test_configs/esp8266-arduino-native.yaml

@@ -1,8 +0,0 @@
-esphome:
-  name: docker-test-esp8266-native
-
-esp8266:
-  board: d1_mini
-  toolchain: arduino
-
-logger:

esphome/__main__.py

@@ -815,9 +815,7 @@ def write_cpp_file() -> int:
         from esphome.build_gen import espidf
 
         espidf.write_project()
-    elif not CORE.using_native_toolchain:
-        # Other native builds generate their project at compile time;
-        # never write a platformio.ini for them
+    else:
         from esphome.build_gen import platformio
 
         platformio.write_project()
@@ -859,14 +857,20 @@ def compile_program(args: ArgsProtocol, config: ConfigType) -> int:
         toolchain.create_factory_bin()
         toolchain.create_ota_bin()
         toolchain.create_elf_copy()
-        from esphome.build_helpers.idedata import warn_if_idedata_missing
+        from esphome.build_helpers.idedata import IDEDATA_BEST_EFFORT_ERRORS
 
-        warn_if_idedata_missing(toolchain.get_idedata)
-    elif CORE.using_native_toolchain:
-        raise EsphomeError(
-            f"Toolchain '{CORE.toolchain.value}' resolved but no platform "
-            "backend claimed the build"
-        )
+        try:
+            if toolchain.get_idedata() is None:
+                _LOGGER.warning("No idedata was generated for this build")
+        except IDEDATA_BEST_EFFORT_ERRORS as err:
+            # The firmware already built; an idedata failure must not fail
+            # a successful build.
+            _LOGGER.warning(
+                "Could not generate idedata: %s (IDE, clang-tidy, and "
+                "memory-analysis data will be unavailable for this build)",
+                err,
+            )
+            _LOGGER.debug("Idedata failure detail", exc_info=True)
     else:
         from esphome.platformio import toolchain
 
@@ -969,15 +973,12 @@ def upload_using_esptool(
 
     if file is not None:
         flash_images = [FlashImage(path=file, offset="0x0")]
-    elif (native := _native_toolchain_module()) is not None:
-        # Every native backend supplies its own 0x0 flash image (bootloader
-        # and partitions included where the target needs them)
-        image = native.get_factory_firmware_path()
-        if not image.is_file():
-            raise EsphomeError(
-                f"{image} does not exist; compile the configuration first"
-            )
-        flash_images = [FlashImage(path=image, offset="0x0")]
+    elif CORE.using_toolchain_esp_idf:
+        from esphome.espidf import toolchain
+
+        flash_images = [
+            FlashImage(path=toolchain.get_factory_firmware_path(), offset="0x0")
+        ]
     else:
         from esphome.platformio import toolchain
 
@@ -1923,39 +1924,15 @@ def command_update_all(args: ArgsProtocol) -> int | None:
     return run_multiple_configs(files, build_command)
 
 
-# Native build backend per (target platform, toolchain). Keyed here rather
-# than through a platform hook so the serial upload/logs fast path never
-# imports the platform component package (see the esp32 variant comment in
-# upload_using_esptool); the platform half comes from CORE.data the same way.
-_NATIVE_TOOLCHAIN_MODULES = {
-    ("esp32", Toolchain.ESP_IDF): "esphome.espidf.toolchain",
-    ("esp8266", Toolchain.ARDUINO): "esphome.arduino8266.toolchain",
-}
-
-
-def _native_toolchain_module():
-    """The native build backend module for the resolved toolchain."""
-    if not CORE.using_native_toolchain:
-        return None
-    key = (CORE.target_platform, CORE.toolchain)
-    if (module_path := _NATIVE_TOOLCHAIN_MODULES.get(key)) is None:
-        # Degrading to the PlatformIO path would build with the wrong backend
-        raise EsphomeError(
-            f"Toolchain '{CORE.toolchain.value}' has no native build backend "
-            f"module for platform {CORE.target_platform}"
-        )
-    return importlib.import_module(module_path)
-
-
 def command_idedata(args: ArgsProtocol, config: ConfigType) -> int:
     import json
 
-    native_toolchain = _native_toolchain_module()
+    if CORE.using_toolchain_esp_idf:
+        # Native ESP-IDF derives idedata from the build's compile_commands.json,
+        # so the configuration must already be compiled.
+        from esphome.espidf import toolchain as espidf_toolchain
 
-    if native_toolchain is not None:
-        # Native toolchains derive idedata from the build's
-        # compile_commands.json, so the configuration must already be compiled.
-        idedata = native_toolchain.get_idedata()
+        idedata = espidf_toolchain.get_idedata()
         if idedata is None:
             _LOGGER.error(
                 "No idedata available; compile the configuration first",
@@ -1994,17 +1971,6 @@ def command_analyze_memory(args: ArgsProtocol, config: ConfigType) -> int:
     from esphome.analyze_memory.cli import MemoryAnalyzerCLI
     from esphome.analyze_memory.ram_strings import RamStringsAnalyzer
 
-    # Refuse an unsupported toolchain before paying for a full compile
-    native_toolchain = _native_toolchain_module()
-    if native_toolchain is None and not CORE.using_toolchain_platformio:
-        _LOGGER.error(
-            "analyze-memory is not supported with the '%s' toolchain on %s; "
-            "re-run with --toolchain platformio",
-            CORE.toolchain.value if CORE.toolchain else "unresolved",
-            CORE.target_platform,
-        )
-        return 1
-
     # Always compile to ensure fresh data (fast if no changes - just relinks)
     exit_code = write_cpp(config)
     if exit_code != 0:
@@ -2016,31 +1982,13 @@ def command_analyze_memory(args: ArgsProtocol, config: ConfigType) -> int:
 
     # Get idedata for analysis
     idedata = None
-    if native_toolchain is not None:
-        objdump = native_toolchain.get_objdump_path()
-        readelf = native_toolchain.get_readelf_path()
-        for tool in (objdump, readelf):
-            if not tool.is_file():
-                # The analyzer would silently fall back to host binutils,
-                # which cannot read the target ELF. clean-all is heavy for
-                # ESP-IDF, so suggest a recompile first.
-                _LOGGER.error(
-                    "%s is missing; the toolchain install may be incomplete "
-                    "(recompile, or run 'esphome clean-all' if it persists)",
-                    tool,
-                )
-                return 1
-        objdump_path = str(objdump)
-        readelf_path = str(readelf)
+    if CORE.using_toolchain_esp_idf:
+        from esphome.espidf import toolchain
 
-        firmware_elf = native_toolchain.get_elf_path()
-        if not firmware_elf.is_file():
-            # The analyzer swallows tool failures, so a missing ELF would
-            # produce an exit-0 zeroed report
-            _LOGGER.error(
-                "%s is missing; compile the configuration first", firmware_elf
-            )
-            return 1
+        objdump_path = str(toolchain.get_objdump_path())
+        readelf_path = str(toolchain.get_readelf_path())
+
+        firmware_elf = toolchain.get_elf_path()
     else:
         from esphome.platformio import toolchain
 

esphome/arduino/library.py

@@ -1,531 +0,0 @@
-"""Arduino-core backend for the shared PlatformIO library converter.
-
-Bundled names build straight from the framework tree; everything else goes
-through ``esphome.platformio.library``. Mirrors ``lib_ldf_mode=off``: each
-library builds its own archive; all include dirs join one global path.
-
-Deviations from PlatformIO: flat-layout libraries get the recursive default
-source filter; ``dot_a_linkage`` is honored; bundled libraries never run a
-manifest ``extraScript``; manifest ``-I`` flags join the global include path;
-``precompiled``/``ldflags`` properties are refused by name.
-"""
-
-from __future__ import annotations
-
-from dataclasses import dataclass, field
-import logging
-from pathlib import Path
-import re
-
-from esphome.core import CORE, EsphomeError, Library
-from esphome.helpers import walk_files
-from esphome.platformio.extra_script import apply_extra_script
-from esphome.platformio.library import (
-    DEFAULT_BUILD_INCLUDE_DIR,
-    DEFAULT_BUILD_SRC_FILTER,
-    ESPHOME_DATA_KEY,
-    ESPHOME_DATA_LINK_FLAGS_KEY,
-    LIBRARY_HEADER_SUFFIXES,
-    SRC_FILE_EXTENSIONS,
-    ConvertedLibrary,
-    IncompatiblePlatform,
-    InvalidLibrary,
-    LibraryBackend,
-    _url_or_none,
-    check_library_data,
-    collect_filtered_files,
-    convert_libraries,
-    ensure_list,
-    is_lib_ignored,
-    lex_build_flags,
-    lib_ignore_set,
-    normalize_dependencies,
-    parse_library_json,
-    parse_library_properties,
-    warn_properties_depends,
-)
-
-_LOGGER = logging.getLogger(__name__)
-
-
-@dataclass
-class ArduinoLibrary:
-    """One resolved library, ready for the ninja generator."""
-
-    name: str
-    sources: list[Path] = field(default_factory=list)
-    include_dirs: list[Path] = field(default_factory=list)
-    # Extra compile flags private to this library's own sources
-    flags: list[str] = field(default_factory=list)
-    # PlatformIO's build.libArchive / Arduino's dot_a_linkage: when False the
-    # objects go to the linker directly (symbols nothing references survive)
-    lib_archive: bool = True
-    # Link inputs the library contributes (-L dirs / -l libs, e.g. from
-    # precompiled vendor blobs) and -Wl, options for the firmware link
-    link_dirs: list[Path] = field(default_factory=list)
-    link_libs: list[str] = field(default_factory=list)
-    link_flags: list[str] = field(default_factory=list)
-
-
-# Source-like suffixes the case-sensitive suffix map rejects
-_UNMAPPED_SOURCE_SUFFIXES = frozenset(
-    {s.lower() for s in SRC_FILE_EXTENSIONS} | {".ino"}
-)
-
-# Filename-plain names: an allowlist excludes separators, drive colons,
-# and dot-only names by shape
-_SAFE_LIBRARY_NAME_RE = re.compile(r"[A-Za-z0-9_][A-Za-z0-9_. +-]*\Z")
-
-
-def _is_safe_library_name(name: object) -> bool:
-    """Whether a name may be joined under the framework's libraries dir."""
-    return isinstance(name, str) and _SAFE_LIBRARY_NAME_RE.fullmatch(name) is not None
-
-
-def _manifest_build(name: str, data: object) -> dict:
-    """The manifest's ``build`` section; malformed manifests fail by name."""
-    build = data.get("build", {}) if isinstance(data, dict) else None
-    if not isinstance(build, dict):
-        raise EsphomeError(f"Library {name} has a malformed manifest")
-    return build
-
-
-def _resolve_src_dir(name: str, read_path: Path, build: dict) -> str:
-    """Resolve PIO's source dir: manifest srcDir, else src/Src, else the root."""
-    if "srcDir" not in build:
-        return next((d for d in ("src", "Src") if (read_path / d).is_dir()), ".")
-    # A declared srcDir (falsy included) that does not resolve is a manifest error
-    src_dir = build["srcDir"]
-    if not (isinstance(src_dir, str) and src_dir and (read_path / src_dir).is_dir()):
-        raise EsphomeError(
-            f"Library {name} declares srcDir {src_dir!r} which does not exist"
-        )
-    return src_dir
-
-
-def _reject_unsupported_link_fields(name: str, data: dict) -> None:
-    # PIO honors these; ignoring them would fail at link with no stated
-    # cause. Property values are strings, so "false" is not a declaration.
-    precompiled = data.get("precompiled")
-    if precompiled and str(precompiled).strip().lower() != "false":
-        raise EsphomeError(
-            f"Library {name} declares precompiled, which this backend does not support"
-        )
-    if data.get("ldflags"):
-        raise EsphomeError(
-            f"Library {name} declares ldflags, which this backend does not support"
-        )
-
-
-def _resolve_lib_archive(name: str, data: dict, build: dict) -> bool:
-    """build.libArchive, else dot_a_linkage (an Arduino IDE property PIO
-    ignores; a deliberate extra), else archive."""
-
-    # Strict parse: bool("false") is True
-    def _parse(key: str, raw: object) -> bool:
-        if isinstance(raw, bool):
-            return raw
-        value = str(raw).strip().lower()
-        if value in ("true", "false"):
-            return value == "true"
-        raise EsphomeError(f"Library {name} has a malformed {key} value {raw!r}")
-
-    if "libArchive" in build:
-        return _parse("libArchive", build["libArchive"])
-    if "dot_a_linkage" in data:
-        return _parse("dot_a_linkage", data["dot_a_linkage"])
-    return True
-
-
-def _classify_build_flags(
-    name: str, read_path: Path, lib: ArduinoLibrary, flag_tokens: list[str]
-) -> list[str]:
-    """Route the lexed build.flags into the library's flag lists.
-
-    Returns the ``-I`` arguments for the include-dir resolution.
-    """
-    include_flags: list[str] = []
-    for tok in flag_tokens:
-        if tok.startswith("-I"):
-            include_flags.append(tok[2:])
-        elif tok.startswith("-L"):
-            link_dir = (read_path / tok[2:]).resolve()
-            if not link_dir.is_dir():
-                # Kept (the linker ignores missing -L dirs); the warning
-                # names the culprit before a bare "cannot find -lfoo"
-                _LOGGER.warning(
-                    "Library %s declares library dir %s which does not exist",
-                    name,
-                    tok[2:],
-                )
-            lib.link_dirs.append(link_dir)
-        elif tok.startswith("-l"):
-            lib.link_libs.append(tok[2:])
-        elif tok.startswith("-Wl,"):
-            lib.link_flags.append(tok)
-        else:
-            lib.flags.append(tok)
-    return include_flags
-
-
-def _resolve_include_dirs(
-    name: str,
-    read_path: Path,
-    lib: ArduinoLibrary,
-    build: dict,
-    src_dir: str,
-    include_flags: list[str],
-) -> None:
-    include_dir = build.get("includeDir", DEFAULT_BUILD_INCLUDE_DIR)
-    if not isinstance(include_dir, str):
-        raise EsphomeError(f"Library {name} has a malformed includeDir")
-    for d, explicit in [
-        (include_dir, "includeDir" in build),
-        (src_dir, False),  # _resolve_src_dir already validated it
-        *((flag, True) for flag in include_flags),
-    ]:
-        if (path := (read_path / d)).is_dir():
-            lib.include_dirs.append(path.resolve())
-        elif explicit:
-            # Warn-and-drop (unlike srcDir): a missing include dir is
-            # harmless until a header is needed, and the compile names it
-            _LOGGER.warning(
-                "Library %s declares include dir %s which does not exist", name, d
-            )
-
-
-def _collect_lib_sources(
-    name: str,
-    read_path: Path,
-    lib: ArduinoLibrary,
-    src_dir: str,
-    src_filter: list[str],
-) -> None:
-    sources: list[Path] = []
-    dropped: list[str] = []
-    saw_header = False
-    for f in collect_filtered_files(read_path / src_dir, src_filter):
-        path = Path(f)
-        suffix = path.suffix
-        if suffix in SRC_FILE_EXTENSIONS:
-            # resolve() per file: srcFilter patterns may escape src_dir
-            sources.append(path.resolve())
-        elif suffix.lower() in _UNMAPPED_SOURCE_SUFFIXES:
-            # A source-like suffix the case-sensitive map rejects (.CPP,
-            # .ino) is a dropped compilation unit; headers fall through
-            dropped.append(path.name)
-        elif suffix.lower() in LIBRARY_HEADER_SUFFIXES:
-            saw_header = True
-    lib.sources = sorted(sources)
-    if dropped:
-        _LOGGER.warning(
-            "Library %s: %d file(s) with unmapped source suffixes are not compiled: %s",
-            name,
-            len(dropped),
-            ", ".join(sorted(dropped)),
-        )
-    if not lib.sources and not saw_header:
-        # Matched headers mean header-only; a filter matching nothing is
-        # a manifest/tree problem (a truly empty tree raises elsewhere)
-        _LOGGER.warning("Library %s: no source files matched", name)
-
-
-def _library_info(name: str, read_path: Path, data: dict) -> ArduinoLibrary:
-    """Resolve one library's sources, include dirs, and flags (PIO semantics)."""
-    build = _manifest_build(name, data)
-    _reject_unsupported_link_fields(name, data)
-    src_dir = _resolve_src_dir(name, read_path, build)
-    src_filter = ensure_list(build.get("srcFilter", DEFAULT_BUILD_SRC_FILTER))
-    if not all(isinstance(entry, str) for entry in src_filter):
-        raise EsphomeError(f"Library {name} has a malformed srcFilter")
-    lib = ArduinoLibrary(name=name, lib_archive=_resolve_lib_archive(name, data, build))
-    # PlatformIO shell-lexes each build.flags entry
-    include_flags = _classify_build_flags(
-        name, read_path, lib, lex_build_flags(build.get("flags", []), f"library {name}")
-    )
-    _resolve_include_dirs(name, read_path, lib, build, src_dir, include_flags)
-    _collect_lib_sources(name, read_path, lib, src_dir, src_filter)
-    return lib
-
-
-def _bundled_library(framework_path: Path, name: str) -> ArduinoLibrary:
-    """A library bundled with the Arduino core, read from the framework tree.
-
-    ``library.json`` wins over ``library.properties`` when both exist, as in
-    PlatformIO's LibBuilderFactory; only the JSON manifest can carry a
-    ``build`` section (srcDir, srcFilter, flags).
-    """
-    lib_dir = framework_path / "libraries" / name
-    manifest_json = lib_dir / "library.json"
-    if manifest_json.is_file():
-        try:
-            data = parse_library_json(manifest_json)
-        except ValueError as err:  # JSONDecodeError
-            raise EsphomeError(
-                f"Bundled library {name} has a corrupt library.json ({err}); "
-                "the framework install may be incomplete (run 'esphome clean-all')"
-            ) from err
-    elif (manifest := lib_dir / "library.properties").is_file():
-        data = parse_library_properties(manifest)
-    else:
-        # Debug, not warning: the legacy manifest-less layout is legal and
-        # the 3.1.2 core ships one such library (FSTools), so a warning
-        # would be unactionable noise on every build using it
-        _LOGGER.debug("Bundled library %s has no manifest; using defaults", name)
-        data = {}
-    if isinstance(data, dict):
-        # Bundled manifest deps are never walked; make the skip visible
-        if data.get("dependencies"):
-            _LOGGER.warning(
-                "Bundled library %s declares dependencies, which are not "
-                "resolved automatically; add them with add_library() if needed",
-                name,
-            )
-        warn_properties_depends(name, data)
-        build = data.get("build")
-        if isinstance(build, dict) and build.get("extraScript"):
-            # Scripts only run on the converted path; building without
-            # the script's flags would miscompile
-            raise EsphomeError(
-                f"Bundled library {name} declares an extraScript, which is "
-                "not run for bundled libraries"
-            )
-    lib = _library_info(name, lib_dir, data)
-    _assert_tree_has_code(
-        name,
-        lib_dir,
-        "the framework install may be incomplete (run 'esphome clean-all')",
-    )
-    return lib
-
-
-def _assert_tree_has_code(name: str, root: Path, hint: str) -> None:
-    """An empty or half-extracted tree can never link; fail by name (a
-    warning would scroll away and resurface as undefined symbols)."""
-    if not any(
-        Path(p).suffix in SRC_FILE_EXTENSIONS
-        or Path(p).suffix.lower() in LIBRARY_HEADER_SUFFIXES
-        for p in walk_files(root)
-    ):
-        raise EsphomeError(f"Library {name} has no sources or headers; {hint}")
-
-
-def _external_short_name(name: str) -> str:
-    """The short library name of a requested spec.
-
-    "owner/Name" and plain names take the last path segment; "Name=<url>"
-    takes the declared name. Git tails (".git", "#ref") are stripped like
-    the walk's URL normalization; the comparand is a manifest dependency
-    name, never a spec.
-    """
-    head, sep, tail = name.partition("=")
-    if sep and "://" in tail:
-        return head
-    short = name.rsplit("/", maxsplit=1)[-1]
-    return short.partition("#")[0].removesuffix(".git")
-
-
-def _check_unfulfilled_provides(
-    provided_requests: set[str], satisfied: set[str], still_requested: set[str]
-) -> None:
-    """Fail by name when a walk-skipped dependency was never added.
-
-    An unfulfilled provides() promise only surfaces as undefined symbols
-    at link. The walk records across re-resolutions, so a name no final
-    manifest still requests is stale state, never a failure.
-    """
-    if missing := sorted((provided_requests & still_requested) - satisfied):
-        raise EsphomeError(
-            "provides() skipped these dependencies but nothing added them: "
-            f"{', '.join(missing)}; the build is missing libraries"
-        )
-
-
-def resolve_libraries(
-    framework_path: Path, *, pio_platform: str, board_mcu: str, cache_key: str
-) -> list[ArduinoLibrary]:
-    """Resolve every ``cg.add_library()`` entry into an :class:`ArduinoLibrary`.
-
-    ``pio_platform``/``board_mcu`` filter manifests the way PlatformIO would
-    for that core (e.g. ``espressif8266``/``esp8266``); ``cache_key`` keys the
-    shared converter's download cache.
-
-    The returned list is not topologically sorted, so the caller must link
-    the archives inside one ``--start-group``/``--end-group`` pair (the
-    bundled-first grouping is incidental).
-    """
-    bundled: list[ArduinoLibrary] = []
-    external: list[Library] = []
-    # PlatformIO's lib_ignore covers framework-bundled libraries too; the
-    # shared converter only filters the registry/git ones.
-    lib_ignore = lib_ignore_set()
-    # Exact directory names keep membership case-sensitive everywhere
-    # (an is_dir() probe would match "wire" on macOS/Windows and build
-    # the bundled Wire twice)
-    libraries_dir = framework_path / "libraries"
-    if not libraries_dir.is_dir():
-        # A registry fallback would fail later with a misleading
-        # package-not-found error per bundled name
-        raise EsphomeError(
-            f"{libraries_dir} is missing; the framework install may be "
-            "incomplete (run 'esphome clean-all')"
-        )
-    bundled_dir_names = frozenset(p.name for p in libraries_dir.iterdir() if p.is_dir())
-
-    def _provided(name: object) -> bool:
-        return _is_safe_library_name(name) and name in bundled_dir_names
-
-    for library in CORE.platformio_libraries.values():
-        if is_lib_ignored(library.name, lib_ignore):
-            continue
-        # Bundled only for a bare name with a matching framework dir; pinned
-        # or unmatched names resolve from the registry, as under PlatformIO.
-        if not library.repository and not library.version and _provided(library.name):
-            # Bundled manifest deps are not walked; _bundled_library warns
-            bundled.append(_bundled_library(framework_path, library.name))
-        else:
-            external.append(library)
-
-    converted: list[ArduinoLibrary] = []
-    bundled_names = {lib.name for lib in bundled}
-    converted_manifest_names: set[str] = set()
-    # Bundled candidates skipped on purpose (platform filter); the
-    # provides() reconciliation must count them as satisfied
-    knowingly_skipped: set[str] = set()
-    # Dependency names of the manifests actually emitted; a walk recording
-    # for a since-re-resolved manifest must not fail the reconciliation
-    final_dep_names: set[str] = set()
-    # Ordered set of bundled dependency names to add once conversion is done
-    pending_bundled: dict[str, None] = {}
-    # Deps matching a separately-requested external are already in the build
-    # (a duplicate archive means duplicate-symbol link errors)
-    external_short_names = {
-        _external_short_name(lib.name) for lib in external if lib.name
-    }
-
-    def _add_bundled_dependencies(component: ConvertedLibrary) -> None:
-        # A version-less bare name ("Hash") is a core-bundled library the
-        # shared converter cannot resolve from the registry
-        for dep in normalize_dependencies(
-            component.data.get("dependencies"), component.name
-        ):
-            # normalize_dependencies guarantees a non-empty str name
-            name = dep["name"]
-            final_dep_names.add(name)
-            if "/" in name:
-                owner, _, pkg = name.partition("/")
-                if _is_safe_library_name(owner) and _is_safe_library_name(pkg):
-                    # Owner-qualified; the converter resolves it from the registry
-                    continue
-            if not _is_safe_library_name(name):
-                # The name becomes a path component; never join a traversal
-                _LOGGER.warning(
-                    "Ignoring malformed dependency entry %r of library %s",
-                    dep,
-                    component.name,
-                )
-                continue
-            if name in external_short_names:
-                if _provided(name):
-                    # A bundled copy is suppressed; a coincidental name
-                    # collision would surface as link errors
-                    _LOGGER.warning(
-                        "Dependency %s of %s is assumed satisfied by a "
-                        "requested external library; the bundled copy is "
-                        "not added",
-                        name,
-                        component.name,
-                    )
-                else:
-                    _LOGGER.debug(
-                        "Dependency %s of %s assumed satisfied by a requested "
-                        "external library",
-                        name,
-                        component.name,
-                    )
-                continue
-            if name in bundled_names or is_lib_ignored(name, lib_ignore):
-                continue
-            if _url_or_none(dep.get("version")) is not None:
-                # A URL names one specific source; never add the bundled copy
-                continue
-            if dep.get("owner") or not _provided(name):
-                # Only owner-less framework-tree names take the bundled
-                # copy (PIO's process_dependencies); the walk reports drops
-                continue
-            try:
-                # framework=None: the walk already warned for non-platform
-                # causes; debug keeps one fault from warning twice (pinned
-                # by test_nonplatform_rejection_warns_once_through_real_converter)
-                check_library_data(dep, pio_platform, None)
-            except IncompatiblePlatform as err:
-                # A knowing skip (platform filter), not a broken promise
-                knowingly_skipped.add(name)
-                _LOGGER.debug("Skip bundled candidate %s: %s", name, err)
-                continue
-            except InvalidLibrary as err:
-                # Malformed manifest data never counts as satisfied; the
-                # walk owns the warning (see the warns-once test above)
-                _LOGGER.debug("Skip malformed bundled candidate %s: %s", name, err)
-                continue
-            # Deferred: a later manifest name may satisfy this
-            pending_bundled.setdefault(name)
-
-    def _emit(component: ConvertedLibrary) -> None:
-        apply_extra_script(
-            component, board_mcu=lambda: board_mcu, pio_platform=pio_platform
-        )
-        _assert_tree_has_code(
-            component.get_require_name(),
-            component.source_dir,
-            "the download may be incomplete (run 'esphome clean-all')",
-        )
-        if isinstance(manifest_name := component.data.get("name"), str):
-            converted_manifest_names.add(manifest_name)
-        lib = _library_info(
-            component.get_require_name(), component.source_dir, component.data
-        )
-        # Extra-script LINKFLAGS travel outside build.flags; dropping
-        # them would link wrong with no stated cause
-        lib.link_flags.extend(
-            component.data.get(ESPHOME_DATA_KEY, {}).get(
-                ESPHOME_DATA_LINK_FLAGS_KEY, []
-            )
-        )
-        converted.append(lib)
-        _add_bundled_dependencies(component)
-
-    backend = LibraryBackend(
-        platform=pio_platform,
-        framework="arduino",
-        emit=_emit,
-        cache_key=cache_key,
-        # The walk must not resolve bundled names from the registry;
-        # _add_bundled_dependencies adds them after emit
-        provides=_provided,
-    )
-    if external:
-        convert_libraries(external, backend)
-    for name in pending_bundled:
-        if name in converted_manifest_names:
-            # The converted library is this one; the bundled copy would
-            # double the archive. Warn like the external_short_names twin.
-            _LOGGER.warning(
-                "Dependency %s is assumed satisfied by a converted library's "
-                "manifest name; the bundled copy is not added",
-                name,
-            )
-            continue
-        bundled_names.add(name)
-        bundled.append(_bundled_library(framework_path, name))
-
-    _check_unfulfilled_provides(
-        backend.provided_requests,
-        bundled_names
-        | converted_manifest_names
-        | external_short_names
-        | knowingly_skipped,
-        final_dep_names,
-    )
-
-    return bundled + converted

esphome/arduino8266/framework.py

@@ -19,11 +19,10 @@ from typing import NamedTuple
 
 from esphome.build_helpers.ccache import ccache_defaults_env
 from esphome.build_helpers.ninja import find_ninja
-from esphome.build_helpers.pch import ccache_pch_env
 from esphome.build_helpers.tools_cache import ARDUINO8266_TOOLS_CACHE, tools_cache_path
 from esphome.core import EsphomeError, Version
 from esphome.framework_helpers import str_to_lst_of_str
-from esphome.platformio.registry import install_packages, prefetch_packages
+from esphome.platformio.registry import install_package, prefetch_packages
 
 FRAMEWORK_PACKAGE = "framework-arduinoespressif8266"
 TOOLCHAIN_PACKAGE = "toolchain-xtensa"
@@ -121,9 +120,10 @@ def check_and_install(framework_version: Version) -> InstalledPaths:
             ("bin", "xtensa-lx106-elf"),
         ),
     )
-    # Fetch both archives at once; the install verifies and extracts them
+    # Fetch both archives at once; the installs below verify and extract
     prefetch_packages([spec[:4] for spec in specs], downloads_dir)
-    install_packages(specs, downloads_dir)
+    for name, version, dest, mirrors, expect in specs:
+        install_package(name, version, dest, mirrors, downloads_dir, expect=expect)
     return InstalledPaths(
         framework=framework_path, toolchain=toolchain_path, ninja=ninja_path
     )
@@ -161,6 +161,4 @@ def ccache_env(ccache: str | None) -> dict[str, str]:
     """
     if ccache is None:
         return {}
-    env = ccache_defaults_env(get_arduino8266_tools_path() / "ccache")
-    env.update(ccache_pch_env())
-    return env
+    return ccache_defaults_env(get_arduino8266_tools_path() / "ccache")

esphome/arduino8266/toolchain.py

@@ -1,329 +0,0 @@
-"""Native Arduino ESP8266 build driver (the PlatformIO ``run`` equivalent)."""
-
-from __future__ import annotations
-
-import json
-import logging
-from pathlib import Path
-import subprocess
-from typing import Any
-
-from esphome.arduino8266 import framework
-from esphome.build_helpers.ccache import resolve_ccache_path
-from esphome.const import (
-    CONF_COMPILE_PROCESS_LIMIT,
-    CONF_ESPHOME,
-    KEY_CORE,
-    KEY_FRAMEWORK_VERSION,
-)
-from esphome.core import CORE, EsphomeError
-from esphome.helpers import write_file_if_changed
-from esphome.types import ConfigType
-
-_LOGGER = logging.getLogger(__name__)
-
-# ESP8266 user RAM (matches upload.maximum_ram_size in every board manifest)
-_MAX_RAM_SIZE = 81920
-
-
-def _warn_ignored_platformio_options() -> None:
-    """Warn for component-added platformio options the native build drops.
-
-    The consumed set is exported by core/config.py next to the routing that
-    stores these options, so the two cannot drift; YAML upload_speed never
-    reaches CORE.platformio_options here.
-    """
-    from esphome.core.config import NATIVE_ARDUINO_CONSUMED_PIO_OPTIONS
-
-    consumed = NATIVE_ARDUINO_CONSUMED_PIO_OPTIONS
-    for key in sorted(CORE.platformio_options or {}):
-        if key not in consumed:
-            _LOGGER.warning(
-                "platformio_options->%s is ignored when building with the "
-                "native 'arduino' toolchain",
-                key,
-            )
-
-
-_RAM_SECTIONS = (".data", ".rodata", ".bss")
-_FLASH_SECTIONS = (".irom0.text", ".text", ".text1", ".data", ".rodata")
-
-
-def get_build_dir() -> Path:
-    return CORE.relative_pioenvs_path(CORE.name)
-
-
-def get_elf_path() -> Path:
-    return get_build_dir() / "firmware.elf"
-
-
-def _toolchain_tool(name: str) -> Path:
-    return framework.toolchain_tool(framework.get_toolchain_path(), name)
-
-
-def get_factory_firmware_path() -> Path:
-    """The image to serial-flash at 0x0 (same bytes as firmware.bin: the
-    8266 factory copy exists for artifact-contract parity, not content)."""
-    return get_build_dir() / "firmware.factory.bin"
-
-
-def get_addr2line_path() -> Path:
-    return _toolchain_tool("addr2line")
-
-
-def get_objdump_path() -> Path:
-    return _toolchain_tool("objdump")
-
-
-def get_readelf_path() -> Path:
-    return _toolchain_tool("readelf")
-
-
-def run_compile(config: ConfigType, verbose: bool) -> int:
-    from esphome.build_gen import arduino8266 as build_gen
-
-    _warn_ignored_platformio_options()
-    paths = framework.check_and_install(CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION])
-    # Resolved once per build: the resolution probes PATH and spawns the
-    # runnability check, and three consumers need the same answer
-    ccache = resolve_ccache_path()
-    ninja_changed = build_gen.write_project(paths, ccache)
-
-    build_dir = get_build_dir()
-    env = framework.get_build_env(paths.toolchain, ccache)
-
-    # Regenerate the compile DB before the build (a pure function of
-    # build.ninja); skip only when it is at least as fresh as build.ninja
-    # (an interrupted previous run may have rewritten the manifest without
-    # regenerating the DB).
-    compdb = build_dir / "compile_commands.json"
-    compdb_stamp = build_dir / ".compile_commands.stamp"
-    ninja_file = build_dir / "build.ninja"
-    # Freshness rides a stamp: the DB itself is written through
-    # write_file_if_changed (its mtime feeds get_idedata's cache), so a
-    # regeneration with identical content would stay "stale" forever
-    if (
-        ninja_changed
-        or not compdb.is_file()
-        or not compdb_stamp.is_file()
-        or compdb_stamp.stat().st_mtime < ninja_file.stat().st_mtime
-    ):
-        _write_compile_commands(paths.ninja, build_dir, env)
-        compdb_stamp.touch()
-
-    cmd = [str(paths.ninja)]
-    if verbose:
-        cmd.append("-v")
-    if jobs := config[CONF_ESPHOME].get(CONF_COMPILE_PROCESS_LIMIT):
-        cmd += ["-j", str(jobs)]
-    # Explicit targets, not the default statement: a generator defect that
-    # drops them fails loudly with "unknown target" instead of a green
-    # no-op run that leaves stale artifacts in place
-    targets = ["firmware.factory.bin", "firmware.ota.bin"]
-    cmd += targets
-
-    # A dry-run probe keeps a no-op rebuild quiet: ninja would only print
-    # "no work to do". A freshly rewritten manifest all but guarantees work,
-    # so skip the probe (and its full stat pass) on that path. cwd instead
-    # of -C also drops the "Entering directory" banner on real builds.
-    skip_build = False
-    if not ninja_changed:
-        probe = subprocess.run(
-            [str(paths.ninja), "-n", *targets],
-            cwd=build_dir,
-            env=env,
-            capture_output=True,
-            text=True,
-            check=False,
-            close_fds=False,
-        )
-        if probe.stderr.strip():
-            # A load-time diagnostic (e.g. "multiple rules generate X")
-            # flags a generator bug; the skip branch would otherwise
-            # swallow it forever
-            _LOGGER.warning("ninja: %s", probe.stderr.strip())
-        if probe.returncode != 0:
-            # An unknown target here is the defective-manifest case; fall
-            # through to the real build so the error prints attributably
-            _LOGGER.debug("ninja probe failed; running the full build")
-        skip_build = probe.returncode == 0 and "no work to do" in probe.stdout
-    if skip_build:
-        _LOGGER.debug("ninja: nothing to rebuild")
-    else:
-        _LOGGER.debug("Running: %s", " ".join(cmd))
-        rc = subprocess.run(
-            cmd, cwd=build_dir, env=env, check=False, close_fds=False
-        ).returncode
-        if rc != 0:
-            return rc
-
-    # ninja already refused a manifest missing the explicit targets above;
-    # existence covers the remaining hole (a rule that ran but wrote
-    # elsewhere). The factory/ota copies are what upload and OTA consume.
-    build_dir_artifacts = (
-        get_elf_path(),
-        build_dir / "firmware.bin",
-        get_factory_firmware_path(),
-        build_dir / "firmware.ota.bin",
-    )
-    for artifact in build_dir_artifacts:
-        if not artifact.is_file():
-            _LOGGER.error("Build produced no %s", artifact)
-            return 1
-
-    if not _print_size_summary(build_dir, paths):
-        # The cause was already warned; name the consequence so a build
-        # contributing no RAM/Flash metric is visible to CI harnesses
-        _LOGGER.warning("Firmware size summary unavailable for this build")
-    from esphome.build_helpers.idedata import warn_if_idedata_missing
-
-    warn_if_idedata_missing(lambda: get_idedata(ccache))
-    return 0
-
-
-def _write_compile_commands(
-    ninja_path: Path, build_dir: Path, env: dict[str, str]
-) -> None:
-    compdb = build_dir / "compile_commands.json"
-    result = subprocess.run(
-        [str(ninja_path), "-C", str(build_dir), "-t", "compdb", "c", "cxx", "asm"],
-        env=env,
-        capture_output=True,
-        text=True,
-        check=False,
-        close_fds=False,
-    )
-    if result.returncode != 0:
-        # Drop any stale database so consumers (IDE integration, clang-tidy,
-        # the memory analyzer) can't silently read outdated data.
-        compdb.unlink(missing_ok=True)
-        raise EsphomeError(f"Could not generate compile_commands.json: {result.stderr}")
-    try:
-        entries = json.loads(result.stdout)
-    except ValueError as err:
-        compdb.unlink(missing_ok=True)
-        raise EsphomeError(
-            f"ninja produced an unparsable compile database: {err} "
-            f"(output starts {result.stdout[:120]!r})"
-        ) from err
-    if not entries:
-        # compdb exits 0 with [] for unknown rule names; a renamed compile
-        # rule must fail the build, not silently strand every consumer
-        compdb.unlink(missing_ok=True)
-        raise EsphomeError(
-            "ninja produced an empty compile database; the generator's rule "
-            "names no longer match"
-        )
-    # write_file_if_changed keeps the mtime stable on no-op builds so the
-    # idedata cache in get_idedata() stays valid.
-    write_file_if_changed(compdb, result.stdout)
-
-
-def _parse_app_size(build_dir: Path, paths: framework.InstalledPaths) -> int | None:
-    """Read the app flash budget (irom0_0_seg length) from the linker script."""
-    from esphome.build_gen.arduino8266 import get_flash_ld_path
-    from esphome.components.esp8266.build_surgery import segment_length
-
-    # Warnings, not debug: without the app size the Flash summary line is
-    # dropped and CI's memory-impact extraction loses its flash metric.
-    ld_path = get_flash_ld_path(build_dir, paths)
-    try:
-        ld_text = ld_path.read_text(encoding="utf-8")
-    except (OSError, UnicodeDecodeError) as err:
-        # UnicodeDecodeError: a truncated/corrupt script must degrade to
-        # the same warning, never abort an already-linked build
-        _LOGGER.warning("Cannot read linker script for the Flash summary: %s", err)
-        return None
-    app_size = segment_length(ld_text, "irom0_0_seg")
-    if app_size is None:
-        _LOGGER.warning("irom0_0_seg not found in %s; skipping Flash summary", ld_path)
-        return None
-    if app_size == 0:
-        _LOGGER.warning(
-            "irom0_0_seg has zero length in %s; skipping Flash summary", ld_path
-        )
-        return None
-    return app_size
-
-
-def _print_size_summary(build_dir: Path, paths: framework.InstalledPaths) -> bool:
-    """Print the PlatformIO-shaped RAM/Flash lines; False when skipped.
-
-    The exact shape (including the bar) is parsed by
-    ``script/ci_memory_impact_extract.py``; ``print_size_line`` matches it.
-    """
-    from esphome.build_helpers.size_summary import print_size_line
-
-    size_tool = _toolchain_tool("size")
-    try:
-        result = subprocess.run(
-            [str(size_tool), "-A", "-d", str(get_elf_path())],
-            capture_output=True,
-            text=True,
-            check=False,
-            close_fds=False,
-        )
-    except OSError as err:
-        # The summary is a bonus artifact like idedata; a truncated
-        # toolchain extraction must not discard an already-linked build
-        _LOGGER.warning("Could not summarize firmware size: %s", err)
-        return False
-    if result.returncode != 0:
-        _LOGGER.warning("Could not summarize firmware size: %s", result.stderr)
-        return False
-    sections: dict[str, int] = {}
-    for line in result.stdout.splitlines():
-        parts = line.split()
-        if len(parts) >= 2 and parts[0].startswith("."):
-            try:
-                sections[parts[0]] = int(parts[1])
-            except ValueError:
-                # An unparsed RAM/Flash section trips the missing-sections
-                # guard below, so no total is built on a dropped value
-                _LOGGER.warning("Unparsable size output for section %s", parts[0])
-    if missing := set(_RAM_SECTIONS + _FLASH_SECTIONS) - set(sections):
-        # A defaulted 0 would print a confidently wrong total for CI's metric
-        _LOGGER.warning(
-            "Size output is missing section(s) %s; skipping the size summary",
-            ", ".join(sorted(missing)),
-        )
-        return False
-    # Resolve the flash budget before printing anything: a RAM line without
-    # its Flash line would let CI's memory-impact extraction sum the two
-    # metrics over different build counts (_parse_app_size already warned).
-    app_size = _parse_app_size(build_dir, paths)
-    if not app_size:
-        return False
-    ram = sum(sections[s] for s in _RAM_SECTIONS)
-    flash = sum(sections[s] for s in _FLASH_SECTIONS)
-    print_size_line("RAM", ram, _MAX_RAM_SIZE)
-    print_size_line("Flash", flash, app_size)
-    return True
-
-
-# Sentinel: "resolve for me"; None is a real value meaning disabled.
-_CCACHE_UNRESOLVED: Any = object()
-
-
-def get_idedata(ccache: str | None = _CCACHE_UNRESOLVED) -> dict | None:
-    """Derive idedata from the build's compile_commands.json.
-
-    Same contract as ``espidf.toolchain.get_idedata``: the fields IDE
-    integrations, clang-tidy, and the memory analyzer expect.
-    """
-    from esphome.build_helpers.idedata import load_or_build_idedata
-
-    if ccache is _CCACHE_UNRESOLVED:
-        # Deliberately uncached: env/PATH can change between builds in a
-        # long-lived host process
-        ccache = resolve_ccache_path()
-    return load_or_build_idedata(
-        get_build_dir() / "compile_commands.json",
-        get_elf_path(),
-        # Suffixed so a platformio->arduino->platformio round trip on one
-        # config never serves the other toolchain's cache shape
-        CORE.relative_internal_path("idedata", f"{CORE.name}.arduino.json"),
-        # The compile DB's commands carry the same ccache prefix the ninja
-        # rules were generated with
-        launcher=str(ccache) if ccache else None,
-    )

esphome/build_gen/build_tool.py

@@ -1,118 +0,0 @@
-"""Tiny cross-platform build steps invoked from the generated ninja file.
-
-Plain script (not ``python -m``): it runs from ninja with whatever Python
-started esphome and must not depend on the package being importable.
-
-Subcommands:
-    ar <ar-binary> <archive> <rspfile>   remove stale archive, then ``ar rcs``
-    copy <src> <dst>                     copy a file
-    touch <path>                         create/update a stamp file
-
-The ar rspfile carries one object path per line (the generating rule must
-use ``$in_newline``, never ``$in``).
-"""
-
-from pathlib import Path
-import shutil
-import subprocess
-import sys
-
-
-def _read_rspfile(rspfile: str) -> list[str]:
-    r"""The object paths listed in ``rspfile``, unquoted.
-
-    GNU ar treats backslashes in response files as escapes (corrupts
-    Windows paths), so the caller expands the list into argv; strip the
-    simple surrounding quote ninja adds to special paths, then undo
-    ninja's POSIX escape for an embedded quote ('a'\\''b.o' -> a'b.o).
-    """
-    return [
-        line[1:-1].replace("'\\''", "'")
-        if len(line) >= 2 and line[0] == line[-1] and line[0] in "'\""
-        else line
-        for line in Path(rspfile).read_text(encoding="utf-8").splitlines()
-        if line
-    ]
-
-
-def _run_ar(ar: str, archive: str, rspfile: str) -> int:
-    # Remove first: ``ar rcs`` replaces members but never drops ones whose
-    # source was removed from the build, which would leak stale objects.
-    Path(archive).unlink(missing_ok=True)
-    objects = _read_rspfile(rspfile)
-    if not objects:
-        # An empty archive would "succeed" here and fail far away at link
-        print(f"ar: no objects listed in {rspfile} for {archive}", file=sys.stderr)
-        return 1
-    # Batch by argv length: expanding the rspfile gives back the Windows
-    # 32767-char command-line limit it existed to avoid. "rcs" creates,
-    # "qs" appends; the s keeps the symbol index explicit on every ar.
-    op = "rcs"
-    ok = False
-    try:
-        while objects:
-            batch = [objects.pop(0)]
-            batch_len = len(batch[0])
-            while objects and batch_len + len(objects[0]) < 25000:
-                batch_len += len(objects[0]) + 1
-                batch.append(objects.pop(0))
-            rc = subprocess.run(
-                [ar, op, archive, *batch], check=False, close_fds=False
-            ).returncode
-            if rc != 0:
-                return rc
-            op = "qs"
-        ok = True
-        return 0
-    finally:
-        if not ok:
-            # Any failure (bad exit, missing ar binary, interrupt) must not
-            # leave a truncated archive behind
-            Path(archive).unlink(missing_ok=True)
-
-
-def _run_copy(src: str, dst: str) -> int:
-    try:
-        shutil.copyfile(src, dst)
-    except OSError as err:
-        # Never leave a partially written output (e.g. a firmware image);
-        # SameFileError means dst IS src, where unlinking destroys the input
-        if not isinstance(err, shutil.SameFileError):
-            Path(dst).unlink(missing_ok=True)
-        print(f"copy: {src} -> {dst} failed: {err}", file=sys.stderr)
-        return 1
-    return 0
-
-
-def _run_touch(path: str) -> int:
-    try:
-        Path(path).touch()
-    except OSError as err:
-        print(f"touch: {path} failed: {err}", file=sys.stderr)
-        return 1
-    return 0
-
-
-# mode -> (handler, expected operand count); surplus argv means a
-# mis-specified ninja rule and must error, not silently drop operands
-_MODES = {"ar": (_run_ar, 3), "copy": (_run_copy, 2), "touch": (_run_touch, 1)}
-
-
-def main() -> int:
-    mode = sys.argv[1] if len(sys.argv) > 1 else ""
-    if entry := _MODES.get(mode):
-        handler, argc = entry
-        args = sys.argv[2:]
-        if len(args) != argc:
-            print(
-                f"build_tool {mode}: expected {argc} arguments, got {len(args)}",
-                file=sys.stderr,
-            )
-            return 1
-        return handler(*args)
-    print(f"unknown build_tool mode: {mode}", file=sys.stderr)
-    return 1
-
-
-if __name__ == "__main__":  # pragma: no cover
-    sys.exit(main())

esphome/build_gen/espidf.py

@@ -4,14 +4,6 @@ import json
 import logging
 from pathlib import Path
 
-from esphome.build_helpers import pch
-from esphome.build_helpers.pch import (
-    PCH_DEFAULT_HEADERS,
-    PCH_HEADER_NAME,
-    mark_pch_emitted,
-    pch_enabled,
-    pch_header_text,
-)
 from esphome.components.esp32 import (
     get_esp32_variant,
     get_excluded_builtin_components,
@@ -287,47 +279,7 @@ idf_component_register(
 target_link_options(${{COMPONENT_LIB}} PUBLIC
     {link_opts_str}
 )
-{_pch_cmake()}"""
-
-
-def _pch_cmake() -> str:
-    """Consumer block for the component CMakeLists. Baked at generation:
-    a strict-knob flip takes effect on the next esphome compile; a
-    hand-run idf.py keeps the old one."""
-    return pch.pch_cmake_consumer("${COMPONENT_LIB}", "${app_sources}")
-
-
-def prepare_pch() -> None:
-    """Build the .gch right before ninja, after every reconfigure, so the
-    compile_commands.json flags and the sdkconfig are the settled ones."""
-    if not pch_enabled():
-        # Self-cleaning escape hatch: drop any previously built .gch
-        pch.discard_pch(CORE.relative_build_path("build"))
-        pch.pch_disabled_degraded()
-        return
-    sdkconfig_path = CORE.relative_build_path(f"sdkconfig.{CORE.name}")
-    try:
-        sdkconfig = sdkconfig_path.read_text(encoding="utf-8")
-    except OSError as err:
-        # Fail closed: the sdkconfig is the .sum's only config identity for
-        # sdkconfig.h-only options; a stand-in marker would collide
-        _LOGGER.warning(
-            "Could not read %s; compiling without the pch: %s", sdkconfig_path, err
-        )
-        pch.discard_pch(CORE.relative_build_path("build"))
-        pch.pch_degraded(f"sdkconfig unreadable: {err}")
-        return
-    pch.prepare_pch(
-        CORE.relative_build_path("build"),
-        PCH_DEFAULT_HEADERS,
-        (
-            str(idf_version()),
-            CORE.cpp_standard or "",
-            sdkconfig,
-            *get_project_compile_flags(),
-            *get_project_cxx_compile_flags(),
-        ),
-    )
+"""
 
 
 def write_project(
@@ -349,14 +301,6 @@ def write_project(
         get_component_cmakelists(),
     )
 
-    if pch_enabled():
-        write_file_if_changed(
-            CORE.relative_build_path("build", PCH_HEADER_NAME),
-            pch_header_text(PCH_DEFAULT_HEADERS),
-        )
-        # Consumers carry the -include; gate the ccache relaxation on it
-        mark_pch_emitted()
-
     # Snapshot the exclusion set so has_outdated_files() can trigger a
     # discovery reconfigure when it changes. Excluded components never
     # register in project_description.json, so re-including one (e.g. a

esphome/build_helpers/ccache.py

@@ -21,13 +21,12 @@ def _ccache_runs(ccache: str) -> bool:
     )
 
 
-def parse_enable_env(name: str, strict: bool = False) -> bool | None:
+def parse_enable_env(name: str) -> bool | None:
     """Strictly parse an on/off environment knob; None when unset or invalid.
 
     ``bool(str)`` truthiness would flip ``no``/``off`` to enabled, so only
     1/true/yes/on and 0/false/no/off count; anything else warns and reads
-    as unset so the caller's default policy applies — or raises when
-    ``strict`` (a typo must not silently disable a CI gate).
+    as unset so the caller's default policy applies.
     """
     raw = os.environ.get(name)
     if raw is None:
@@ -40,10 +39,6 @@ def parse_enable_env(name: str, strict: bool = False) -> bool | None:
         return True
     if lowered in FALSY_ENV_STRINGS:
         return False
-    if strict:
-        from esphome.core import EsphomeError
-
-        raise EsphomeError(f"Unrecognized {name}={raw!r}; use 1 or 0")
     _LOGGER.warning("Ignoring unrecognized %s=%r; use 1 or 0", name, raw)
     return None
 
@@ -92,19 +87,6 @@ def ccache_defaults_env(cache_dir: Path) -> dict[str, str]:
         "CCACHE_DIR": str(cache_dir),
         "CCACHE_NOHASHDIR": "true",
         "CCACHE_DEPEND": "1",
-        # A user value wins via the filter below
-        "CCACHE_BASEDIR": effective_ccache_basedir(),
+        "CCACHE_BASEDIR": str(Path(CORE.build_path).resolve()),
     }
     return {k: v for k, v in defaults.items() if k not in os.environ}
-
-
-def effective_ccache_basedir() -> str:
-    """The prefix ccache rewrites out of hashed paths: a user CCACHE_BASEDIR
-    wins, else the resolved build path (matching ccache_defaults_env)."""
-    from esphome.core import CORE
-
-    raw = os.environ.get("CCACHE_BASEDIR")
-    if raw is not None and Path(raw).is_absolute() and len(Path(raw).parts) > 1:
-        return raw
-    # Unset or degenerate ("", "/", relative): fall back to the build path
-    return str(Path(CORE.build_path).resolve())

esphome/build_helpers/idedata.py

@@ -11,7 +11,6 @@ consumers (IDE integration, clang-tidy) expect:
 
 from __future__ import annotations
 
-from collections.abc import Callable
 import json
 import logging
 import os
@@ -22,8 +21,6 @@ import subprocess
 from esphome.core import EsphomeError
 from esphome.helpers import write_file
 
-_LOGGER = logging.getLogger(__name__)
-
 # Everything idedata generation may raise after a successful link; idedata
 # is a bonus artifact, so consumers warn instead of failing the build
 IDEDATA_BEST_EFFORT_ERRORS = (
@@ -34,36 +31,13 @@ IDEDATA_BEST_EFFORT_ERRORS = (
     ValueError,
 )
 
+_LOGGER = logging.getLogger(__name__)
 
-def warn_if_idedata_missing(get_idedata: Callable[[], dict | None]) -> None:
-    """Run an idedata generator, downgrading any failure to a warning.
-
-    Shared by the native backends: the firmware already built, so a missing
-    or broken idedata must not fail a successful build.
-    """
-    try:
-        if get_idedata() is None:
-            _LOGGER.warning("No idedata was generated for this build")
-    except IDEDATA_BEST_EFFORT_ERRORS as err:
-        _LOGGER.warning(
-            "Could not generate idedata: %s (IDE, clang-tidy, and "
-            "memory-analysis data will be unavailable for this build)",
-            err,
-        )
-        if isinstance(err, (EsphomeError, OSError)):
-            # Routine environmental failures keep the detail at debug
-            _LOGGER.debug("Idedata failure detail", exc_info=True)
-        else:
-            # LookupError/ValueError/RuntimeError smell like a parsing bug;
-            # a permanently masked traceback would hide it on every build
-            _LOGGER.warning("Idedata failure detail", exc_info=True)
-
-
-# C++ translation-unit suffixes.
-CXX_SOURCE_SUFFIXES = (".cpp", ".cc", ".cxx")
+# C++ translation-unit suffixes used to identify ESPHome source files.
+_CXX_SUFFIXES = (".cpp", ".cc")
 # Suffixes of input/output files that appear bare on the command line (and so
 # must not be mistaken for compiler flags).
-_INPUT_FILE_SUFFIXES = (*CXX_SOURCE_SUFFIXES, ".c", ".o", ".S", ".s")
+_INPUT_FILE_SUFFIXES = (*_CXX_SUFFIXES, ".c", ".o", ".S", ".s")
 # Path marker identifying an ESPHome source translation unit.
 _ESPHOME_SRC_MARKER = "/src/esphome/"
 
@@ -72,11 +46,11 @@ def _is_esphome_src(file: str) -> bool:
     """Whether ``file`` is an ESPHome C++ translation unit; normalized to
     ``/`` first since Windows compile DBs use backslashes."""
     return _ESPHOME_SRC_MARKER in file.replace("\\", "/") and file.endswith(
-        CXX_SOURCE_SUFFIXES
+        _CXX_SUFFIXES
     )
 
 
-def split_command(command: str) -> list[str]:
+def _split_command(command: str) -> list[str]:
     r"""Tokenize a compile_commands.json / response-file command string.
 
     On Windows, tokenize per Windows ``argv`` rules via ``CommandLineToArgvW``.
@@ -112,7 +86,7 @@ def split_command(command: str) -> list[str]:
         ctypes.windll.kernel32.LocalFree(argv)
 
 
-def expand_response_files(tokens: list[str], directory: Path) -> list[str]:
+def _expand_response_files(tokens: list[str], directory: Path) -> list[str]:
     """Inline any ``@response-file`` arguments (paths relative to ``directory``).
 
     GCC response files embed flags that must be expanded so GCC-only flags
@@ -127,8 +101,8 @@ def expand_response_files(tokens: list[str], directory: Path) -> list[str]:
                 rf = directory / rf
             try:
                 out.extend(
-                    expand_response_files(
-                        split_command(rf.read_text(encoding="utf-8")), directory
+                    _expand_response_files(
+                        _split_command(rf.read_text(encoding="utf-8")), directory
                     )
                 )
                 continue
@@ -147,7 +121,7 @@ def _pick_entry(entries: list[dict]) -> dict:
         if _is_esphome_src(entry["file"]):
             return entry
     for entry in entries:
-        if entry["file"].endswith(CXX_SOURCE_SUFFIXES):
+        if entry["file"].endswith(_CXX_SUFFIXES):
             return entry
     raise ValueError("no C++ translation unit found in compile_commands.json")
 
@@ -157,25 +131,16 @@ def _pick_entry(entries: list[dict]) -> dict:
 _LAUNCHER_STEMS = frozenset({"ccache", "sccache", "distcc", "icecc", "buildcache"})
 
 
-def is_launcher(token: str) -> bool:
+def _is_launcher(token: str) -> bool:
     return Path(token).stem.lower() in _LAUNCHER_STEMS
 
 
-def is_joined_include(tok: str) -> bool:
-    """The joined ``-includefoo.h`` spelling; excludes clang's -include-pch."""
-    return (
-        tok.startswith("-include")
-        and tok != "-include"
-        and not tok.startswith("-include-")
-    )
-
-
 def parse_entry(
     entry: dict, launcher: str | None = None
 ) -> tuple[str, list[str], list[str], list[str]]:
     """Parse one compile_commands entry -> (cxx_path, defines, includes, cxx_flags)."""
     directory = Path(entry["directory"])
-    tokens = expand_response_files(split_command(entry["command"]), directory)
+    tokens = _expand_response_files(_split_command(entry["command"]), directory)
 
     def _include(raw: str) -> str:
         # Resolve against the entry's ``directory`` so cached idedata works
@@ -191,7 +156,7 @@ def parse_entry(
     if not tokens:
         # An empty command, or one that was only the launcher; fail by name
         raise ValueError(f"empty compile command for {entry.get('file')}")
-    if is_launcher(tokens[0]) and len(tokens) > 1 and not tokens[1].startswith("-"):
+    if _is_launcher(tokens[0]) and len(tokens) > 1 and not tokens[1].startswith("-"):
         # Stale DB built with a launcher this run no longer configures; the
         # real compiler is the next token
         _LOGGER.warning("Stripping unconfigured launcher %s", tokens[0])
@@ -204,23 +169,11 @@ def parse_entry(
     defines: list[str] = []
     includes: list[str] = []
     cxx_flags: list[str] = []
-    unresolved_force_includes: list[str] = []
 
     it = iter(tokens[1:])
     for tok in it:
         if tok in ("-c", "-o"):
             next(it, None)  # drop the flag and its argument (input/output)
-        elif tok == "-include" or is_joined_include(tok):
-            # Re-anchor only names next to the compile (the pch); a name
-            # meant for the -I chain must stay untouched
-            raw = next(it, "") if tok == "-include" else tok[len("-include") :]
-            if not raw:
-                _LOGGER.warning("Dropping -include with no argument")
-            elif Path(resolved := _include(raw)).is_file():
-                cxx_flags.extend(("-include", resolved))
-            else:
-                unresolved_force_includes.append(raw)
-                cxx_flags.extend(("-include", raw))
         elif tok.startswith("-D"):
             # ``.strip()`` handles tokens like ``-D CONFIGURED=1`` (a single
             # quoted arg with a space after -D) that some flags arrive as.
@@ -239,14 +192,6 @@ def parse_entry(
             pass  # input/output files
         else:
             cxx_flags.append(tok)
-    for raw in unresolved_force_includes:
-        # A deleted build artifact would otherwise surface only downstream
-        if not any((Path(inc) / raw).is_file() for inc in includes):
-            _LOGGER.warning(
-                "-include %s found neither next to the compile nor on the "
-                "include path; cached idedata may not resolve it",
-                raw,
-            )
     return cxx_path, defines, includes, cxx_flags
 
 
@@ -311,7 +256,7 @@ def _cache_usable(cached: object) -> bool:
     if not isinstance(cached, dict) or "cc_path" not in cached:
         return False
     cxx_path = cached.get("cxx_path")
-    if not isinstance(cxx_path, str) or is_launcher(cxx_path):
+    if not isinstance(cxx_path, str) or _is_launcher(cxx_path):
         return False
     includes = cached.get("includes")
     return isinstance(includes, dict) and isinstance(includes.get("build"), list)
@@ -359,7 +304,7 @@ def load_or_build_idedata(
 def reject_launcher_compiler(cxx_path: str) -> None:
     """Reject a compile DB naming a launcher (ccache) as the compiler; it
     must never be probed, cached, or consumed."""
-    if is_launcher(cxx_path):
+    if _is_launcher(cxx_path):
         raise EsphomeError(
             f"compile_commands.json names the launcher {cxx_path} as the "
             "compiler; the compile database is unusable"

esphome/build_helpers/pch.py

@@ -1,624 +0,0 @@
-"""Shared precompiled-header policy for the build backends.
-
-The prefix either mirrors the TUs' own force-includes (ESP8266) or is a
-curated core-header set (ESP-IDF). ``esphome: includes:`` sources receive
-it too; Arduino.h visibility there is intended (esphome#8693).
-"""
-
-from __future__ import annotations
-
-from collections.abc import Callable, Iterable
-from contextlib import suppress
-from dataclasses import dataclass
-import hashlib
-import json
-import logging
-import os
-from pathlib import Path
-import posixpath
-import re
-import stat
-import subprocess
-
-from esphome.build_helpers.ccache import effective_ccache_basedir, parse_enable_env
-from esphome.build_helpers.idedata import (
-    CXX_SOURCE_SUFFIXES,
-    expand_response_files,
-    is_launcher,
-    split_command,
-)
-
-_DOMAIN = "pch"
-
-
-@dataclass
-class _PCHData:
-    emitted: bool = False
-
-
-def _pch_data() -> _PCHData:
-    from esphome.core import CORE
-
-    if _DOMAIN not in CORE.data:
-        CORE.data[_DOMAIN] = _PCHData()
-    return CORE.data[_DOMAIN]
-
-
-def mark_pch_emitted() -> None:
-    """Record that this build's consumers reference the pch."""
-    _pch_data().emitted = True
-
-
-_LOGGER = logging.getLogger(__name__)
-
-# The header and its .gch/.sum sidecars live in the build directory.
-PCH_HEADER_NAME = "esphome_pch.h"
-
-# Every artifact the pch machinery can leave behind, for cleanup.
-PCH_ARTIFACT_NAMES = (
-    PCH_HEADER_NAME,
-    f"{PCH_HEADER_NAME}.gch",
-    f"{PCH_HEADER_NAME}.gch.sum",
-    f"{PCH_HEADER_NAME}.gch.failed",
-)
-
-# The core defines header every backend anchors its prefix on.
-PCH_CORE_HEADER = "esphome/core/defines.h"
-
-# Guarded curated-prefix wrapper for PlatformIO backends without framework
-# force-includes (host, esp32); folded by the pch script via build_src_flags.
-PCH_PREFIX_HEADER = "esphome/core/pch_prefix.h"
-
-# Prefix-header contents for backends that inject a curated set (rather
-# than mirroring the TUs' own force-includes), defines.h first so USE_*
-# macros exist for the rest. Deliberately hard-coded: frequency-derived
-# sets measured no better and kept selecting headers that cannot compile
-# standalone (X-macro, platform-variant). Every entry must be safe to
-# include first in an empty TU. Caveat: application.h/automation.h become
-# ambiently visible, so a TU missing those #includes still builds on such
-# backends; ESPHOME_PCH_ENABLE=0 restores the strict view.
-PCH_DEFAULT_HEADERS = (
-    PCH_CORE_HEADER,
-    "esphome/core/component.h",
-    "esphome/core/helpers.h",
-    "esphome/core/log.h",
-    "esphome/core/application.h",
-    "esphome/core/automation.h",
-)
-
-# ccache cannot hash through a .gch; CCACHE_PCH_EXTSUM makes it hash the
-# .sum sidecar instead of the .gch bytes, which are not reproducible.
-# Keep in sync with the literals in platformio/pch.py.script.
-_CCACHE_PCH_ENV = {
-    "CCACHE_SLOPPINESS": "pch_defines,time_macros",
-    "CCACHE_PCH_EXTSUM": "true",
-}
-
-# Both include forms: an angle include resolving under src/ must enter the
-# digest too; ones that do not resolve simply end the walk
-# Compiler failures that clear on their own must not latch the .failed marker
-_TRANSIENT_ERRORS = ("No space left", "Cannot allocate", "Resource temporarily")
-
-_INCLUDE_RE = re.compile(rb'^\s*#\s*include\s+["<]([^">]+)[">]', re.MULTILINE)
-
-
-def pch_enabled() -> bool:
-    """Precompiled-header knob: default on, ``ESPHOME_PCH_ENABLE=0`` opts out."""
-    return parse_enable_env("ESPHOME_PCH_ENABLE") is not False
-
-
-def pch_strict() -> bool:
-    """CI knob: ``ESPHOME_PCH_STRICT=1`` turns pch degrade paths fatal.
-
-    A set-but-unrecognized value raises: a typo must not silently turn
-    the gate into a no-op that proves nothing.
-    """
-    return parse_enable_env("ESPHOME_PCH_STRICT", strict=True) is True
-
-
-def pch_degraded(reason: str) -> None:
-    """Every degrade path funnels through here; strict mode raises."""
-    if pch_strict():
-        from esphome.core import EsphomeError
-
-        raise EsphomeError(f"ESPHOME_PCH_STRICT: {reason}")
-
-
-def pch_disabled_degraded() -> None:
-    """Strict CI must not read "no pch at all" as success."""
-    pch_degraded("pch disabled by ESPHOME_PCH_ENABLE")
-
-
-def pch_probe_tail(source: str = "-") -> list[str]:
-    """The syntax-only compile shared by the probe and its baseline."""
-    return ["-fsyntax-only", "-x", "c++", source]
-
-
-def pch_probe_args(header: str, source: str = "-") -> list[str]:
-    """Flags that load-check a built .gch via a syntax-only compile.
-
-    Rejection must be a nonzero exit (never just a wording match), so the
-    invalid-pch class is always escalated. ``source`` defaults to stdin
-    (host independent); the ninja probe edge passes a real file.
-    """
-    return [
-        "-Winvalid-pch",
-        "-Werror=invalid-pch",
-        "-include",
-        header,
-        *pch_probe_tail(source),
-    ]
-
-
-def pch_consumer_escalation() -> str:
-    """Consumer-side invalid-pch flag: strict reds the build on rejection
-    (per-process, so the probe alone cannot prove the consumers)."""
-    return "-Werror=invalid-pch" if pch_strict() else "-Wno-error=invalid-pch"
-
-
-def pch_cmake_consumer(target: str, sources_var: str) -> str:
-    """Emit the CMake block making ``target``'s C++ sources consume the
-    pch; empty when disabled. OBJECT_DEPENDS is on the header, not the
-    .gch (pch-baked headers drop out of TU depfiles); the -include stays
-    relative — an absolute path would poison ccache keys."""
-    if not pch_enabled():
-        return ""
-    escalation = pch_consumer_escalation()
-    return f"""
-# ESPHome precompiled header (see esphome/build_helpers/pch.py).
-# The touch keeps OBJECT_DEPENDS satisfiable when the build system itself
-# wiped the build dir after the header was written (west --pristine)
-if(NOT EXISTS "${{CMAKE_BINARY_DIR}}/{PCH_HEADER_NAME}")
-  file(TOUCH "${{CMAKE_BINARY_DIR}}/{PCH_HEADER_NAME}")
-endif()
-target_compile_options({target} PRIVATE
-    "$<$<COMPILE_LANGUAGE:CXX>:-Winvalid-pch>"
-    "$<$<COMPILE_LANGUAGE:CXX>:{escalation}>"
-    "$<$<COMPILE_LANGUAGE:CXX>:-include>"
-    "$<$<COMPILE_LANGUAGE:CXX>:{PCH_HEADER_NAME}>"
-)
-set_source_files_properties({sources_var} PROPERTIES
-    OBJECT_DEPENDS "${{CMAKE_BINARY_DIR}}/{PCH_HEADER_NAME}")
-"""
-
-
-def ccache_pch_env() -> dict[str, str]:
-    """Settings ccache needs to cache compiles that consume the .gch;
-    empty unless this build actually emitted one. User-set values win.
-    Native backends export these process-wide; only time_macros affects
-    non-pch TUs."""
-    if not (pch_enabled() and _pch_data().emitted):
-        return {}
-    extsum = os.environ.get("CCACHE_PCH_EXTSUM")
-    if extsum is not None and extsum.strip().lower() not in ("1", "true", "yes", "on"):
-        # ccache then hashes the non-reproducible .gch bytes: permanent misses
-        _LOGGER.warning("CCACHE_PCH_EXTSUM=%s disables pch caching", extsum)
-    env = {k: v for k, v in _CCACHE_PCH_ENV.items() if k not in os.environ}
-    user_sloppiness = os.environ.get("CCACHE_SLOPPINESS")
-    if user_sloppiness is not None and (
-        missing := [
-            t
-            for t in ("pch_defines", "time_macros")
-            if t not in {tok.strip() for tok in user_sloppiness.split(",")}
-        ]
-    ):
-        # Without these ccache declines every pch-consuming compile
-        env["CCACHE_SLOPPINESS"] = ",".join((user_sloppiness, *missing))
-        _LOGGER.warning(
-            "Adding %s to CCACHE_SLOPPINESS so ccache can cache compiles "
-            "that use the precompiled header",
-            ",".join(missing),
-        )
-    return env
-
-
-def guarded_prepare(build_dir: Path, prepare: Callable[[], None]) -> None:
-    """Run a backend's pch preparation; an optional speedup must never
-    abort the build. Strict is read first so its own knob error cannot
-    mask the real failure; discard_pch raises if a stale .gch survives;
-    the header is ensured so OBJECT_DEPENDS stays satisfiable."""
-    try:
-        prepare()
-    except Exception:  # noqa: BLE001  # pylint: disable=broad-exception-caught
-        strict = pch_strict()
-        discard_pch(build_dir)
-        if strict:
-            raise
-        header = build_dir / PCH_HEADER_NAME
-        if not header.exists():
-            try:
-                header.touch()
-            except OSError as err:
-                # The coming OBJECT_DEPENDS error would hide the real cause
-                _LOGGER.warning("Could not create the pch placeholder: %s", err)
-        _LOGGER.warning(
-            "Precompiled header setup failed; compiling without it", exc_info=True
-        )
-
-
-def pch_extra_scripts() -> list[str]:
-    """The extra_scripts entries a PlatformIO platform registers for the
-    pch; empty when disabled (the script itself has no enable check)."""
-    if not pch_enabled():
-        pch_disabled_degraded()
-        return []
-    return ["post:pch.py"]
-
-
-def pch_header_text(include_headers: Iterable[str]) -> str:
-    """The prefix-header source: exactly these includes, in order."""
-    return "".join(f'#include "{name}"\n' for name in include_headers)
-
-
-def _resolves(path: Path) -> bool:
-    """False when missing; other stat failures propagate (identity unknown,
-    unlike is_file(), which would silently drop the header)."""
-    try:
-        return stat.S_ISREG(path.stat().st_mode)
-    except (FileNotFoundError, NotADirectoryError):
-        return False
-
-
-def _include_closure(src_dir: Path, roots: Iterable[str]) -> dict[str, bytes]:
-    """Include closure of ``roots``: src-relative name -> contents.
-
-    Resolution mirrors the compiler (includer's dir, then src root); names
-    outside ``src_dir`` end the walk and are versioned by the caller. No
-    #ifdef evaluation: over-approximating is the safe direction.
-    """
-    seen: dict[str, bytes] = {}
-    stack: list[tuple[str, str]] = [(name, "") for name in roots]
-    while stack:
-        name, from_dir = stack.pop()
-        for candidate in (f"{from_dir}/{name}" if from_dir else name, name):
-            rel = posixpath.normpath(candidate)
-            if not rel.startswith("..") and _resolves(src_dir / rel):
-                break
-        else:
-            continue
-        if rel in seen:
-            continue
-        try:
-            data = (src_dir / rel).read_bytes()
-        except OSError as err:
-            # A marker would truncate the transitive walk; fail closed
-            _LOGGER.warning("Could not read %s for the pch checksum: %s", rel, err)
-            raise
-        seen[rel] = data
-        parent = posixpath.dirname(rel)
-        stack.extend(
-            # surrogateescape: a non-UTF-8 name just fails to resolve
-            (inc.decode(errors="surrogateescape"), parent)
-            for inc in _INCLUDE_RE.findall(data)
-        )
-    return seen
-
-
-def pch_checksum(
-    src_dir: Path, include_headers: Iterable[str], extra: Iterable[str]
-) -> str:
-    """Digest standing in for the .gch in ccache's hash: the include closure
-    of the prefix header plus caller-supplied identity strings (versioned
-    install paths, flags). Raises OSError when a header's identity cannot
-    be established at all; callers must then compile without a pch."""
-    digest = hashlib.sha256()
-    closure = _include_closure(src_dir, include_headers)
-    for name in sorted(closure):
-        digest.update(name.encode(errors="surrogateescape"))
-        digest.update(closure[name])
-        digest.update(b"\0")
-    for item in extra:
-        digest.update(item.encode(errors="surrogateescape"))
-        digest.update(b"\0")
-    return digest.hexdigest()
-
-
-# Tokens dropped when retargeting a TU's flags at the prefix header
-# (the pch compile must not touch depfiles)
-_PCH_STRIP_FLAGS_WITH_ARG = frozenset({"-o", "-c", "-MT", "-MF", "-MQ"})
-_PCH_STRIP_FLAGS = frozenset({"-MD", "-MMD", "-MP", "-MM", "-M"})
-
-
-def pch_compile_command(
-    build_dir: Path, header: Path, gch: Path
-) -> tuple[list[str], Path] | None:
-    """The exact src C++ flags from compile_commands.json retargeted at the
-    header, with the directory they resolve against (relative -I paths must
-    be expanded and executed from the same root); None (logged) when no
-    configured C++ TU is available yet."""
-    from esphome.core import CORE
-
-    try:
-        entries = json.loads(
-            (build_dir / "compile_commands.json").read_text(encoding="utf-8")
-        )
-    except (OSError, json.JSONDecodeError) as err:
-        # Configure already succeeded, so an unusable DB is a real anomaly
-        _LOGGER.warning("No usable compile database, skipping pch: %s", err)
-        return None
-    if not isinstance(entries, list):
-        _LOGGER.warning("Malformed compile database, skipping pch")
-        return None
-    # CMake may spell paths through a symlink differently than CORE does
-    # (macOS /tmp vs /private/tmp), so compare resolved paths
-    src_root = Path(CORE.relative_src_path()).resolve()
-    entry = next(
-        (
-            e
-            for e in entries
-            if isinstance(e, dict)
-            and isinstance(e.get("file"), str)
-            and e["file"].endswith(CXX_SOURCE_SUFFIXES)
-            and Path(e["file"]).resolve().is_relative_to(src_root)
-        ),
-        None,
-    )
-    if entry is None:
-        _LOGGER.warning("No src C++ entry in the compile database, skipping pch")
-        return None
-    directory = entry.get("directory")
-    cmd_dir = Path(directory) if isinstance(directory, str) and directory else build_dir
-    command = entry.get("command")
-    tokens = expand_response_files(
-        split_command(command if isinstance(command, str) else ""), cmd_dir
-    )
-    # A DB recorded with ccache enabled prefixes the compiler with the
-    # launcher; the .gch must be compiled directly
-    if tokens and is_launcher(tokens[0]):
-        tokens = tokens[1:]
-    if not tokens:
-        # "arguments"-style or empty entries must skip, not spawn "-x ..."
-        _LOGGER.warning("Compile database entry has no usable command, skipping pch")
-        return None
-    args: list[str] = []
-    arg_it = iter(tokens)
-    for tok in arg_it:
-        if tok in _PCH_STRIP_FLAGS_WITH_ARG:
-            next(arg_it, None)
-            continue
-        if tok in _PCH_STRIP_FLAGS:
-            continue
-        if tok == "-include":
-            # Drop only the injected prefix; user force-includes must reach
-            # the .gch compile or GCC rejects it over the macro mismatch
-            inc = next(arg_it, "")
-            if not inc.endswith(PCH_HEADER_NAME):
-                args.extend(("-include", inc))
-            continue
-        args.append(tok)
-    return [*args, "-x", "c++-header", "-c", str(header), "-o", str(gch)], cmd_dir
-
-
-def _flags_identity(tokens: Iterable[str]) -> str:
-    """Flag string normalized for digest use: strip like ccache's rewriting
-    (user CCACHE_BASEDIR wins); the raw build path covers unresolved
-    (symlinked) spellings."""
-    from esphome.core import CORE
-
-    return (
-        " ".join(tokens)
-        .replace(effective_ccache_basedir(), "")
-        .replace(str(CORE.build_path), "")
-    )
-
-
-def pch_identity(
-    tokens: Iterable[str],
-    src_dir: Path,
-    include_headers: tuple[str, ...],
-    extra: Iterable[str],
-) -> str | None:
-    """The .sum digest naming this exact pch build: include closure, header
-    text, backend identity strings, and the normalized compile command or
-    flags (``tokens``). None (warned and degraded) when the identity
-    cannot be established."""
-    try:
-        return pch_checksum(
-            src_dir,
-            include_headers,
-            (
-                # The closure is sorted, so root order only enters via the text
-                pch_header_text(include_headers),
-                *extra,
-                _flags_identity(tokens),
-            ),
-        )
-    except (OSError, UnicodeError) as err:
-        # Identity unknown: a stale cache entry must never be served
-        _LOGGER.warning(
-            "Could not establish the pch identity; compiling without it: %s", err
-        )
-        pch_degraded(f"identity unknown: {err}")
-        return None
-
-
-def log_pch_in_use() -> None:
-    # The only place a user can discover the knob; emitted only once a
-    # .gch is actually fresh or being built
-    _LOGGER.info(
-        "Compiling with a precompiled header (set ESPHOME_PCH_ENABLE=0 to disable)"
-    )
-
-
-def _read_stamp(path: Path) -> str:
-    """A corrupt sidecar must read as stale, not kill the pch forever."""
-    try:
-        return path.read_text(encoding="utf-8").strip()
-    except (OSError, UnicodeDecodeError):
-        return ""
-
-
-def discard_pch(build_dir: Path) -> None:
-    """Remove the pch sidecars so a stale .gch is never consumed.
-
-    Bumps the header only when a .gch was actually removed: TUs compiled
-    against it have incomplete depfiles, while a repeat failure with no
-    .gch must not force a full rebuild every build. A .gch that survives
-    an unlink failure would be consumed silently (wrong output, not a
-    slow build), so that raises.
-    """
-    header = build_dir / PCH_HEADER_NAME
-    gch = Path(f"{header}.gch")
-    had_gch = gch.is_file()
-    errors = []
-    for sidecar in (gch, Path(f"{gch}.sum")):
-        try:
-            sidecar.unlink(missing_ok=True)
-        except OSError as err:
-            if sidecar.is_file():
-                from esphome.core import EsphomeError
-
-                raise EsphomeError(
-                    f"Could not discard the stale precompiled header: {err}"
-                ) from err
-            errors.append(err)
-    for err in errors:
-        _LOGGER.warning("Could not discard the pch sidecars: %s", err)
-    if had_gch and header.is_file():
-        with suppress(OSError):
-            os.utime(header)
-
-
-def prepare_pch(
-    build_dir: Path, include_headers: tuple[str, ...], extra: Iterable[str]
-) -> None:
-    """Compile ``build_dir``'s .gch from compile_commands.json flags and
-    write its ccache .sum.
-
-    The .sum doubles as the freshness stamp and folds in the compile
-    command, so a flag-only change rebuilds the .gch; ``extra`` carries
-    backend identity (framework version, sdkconfig, ...). A failed
-    compile falls back to the plain header include.
-    """
-    from esphome.core import CORE
-
-    header = build_dir / PCH_HEADER_NAME
-    gch = Path(f"{header}.gch")
-    sum_path = Path(f"{gch}.sum")
-    cmd_and_dir = pch_compile_command(build_dir, header, gch)
-    if cmd_and_dir is None:
-        # Freshness cannot be validated; a leftover .gch must not be consumed
-        discard_pch(build_dir)
-        pch_degraded("no usable compile command")
-        return
-    cmd, cmd_dir = cmd_and_dir
-    checksum = pch_identity(cmd, CORE.relative_src_path(), include_headers, extra)
-    if checksum is None:
-        discard_pch(build_dir)
-        return
-    failed_marker = Path(f"{gch}.failed")
-
-    def _run(
-        run_cmd: list[str], what: str, stdin: str | None = None
-    ) -> subprocess.CompletedProcess | None:
-        """Spawn one pch tool step; environmental failures discard and
-        degrade (None): spawn/IO/timeout errors and signal kills never
-        latch the marker."""
-        try:
-            proc = subprocess.run(
-                run_cmd,
-                cwd=cmd_dir,
-                # C locale keeps diagnostics matchable by _TRANSIENT_ERRORS
-                env={**os.environ, "LC_ALL": "C"},
-                input=stdin,
-                capture_output=True,
-                text=True,
-                check=False,
-                timeout=300,
-            )
-        except (OSError, subprocess.SubprocessError) as err:
-            _LOGGER.warning("Precompiled header %s did not run: %s", what, err)
-            discard_pch(build_dir)
-            pch_degraded(f"{what} did not run: {err}")
-            return None
-        if proc.returncode < 0:
-            # Killed by a signal (OOM, ^C): environmental, do not latch
-            _LOGGER.warning(
-                "Precompiled header %s was killed (signal %d); retrying next build",
-                what,
-                -proc.returncode,
-            )
-            discard_pch(build_dir)
-            pch_degraded(f"{what} killed by signal {-proc.returncode}")
-            return None
-        return proc
-
-    def _fail(error: str, reason: str, latch: bool) -> None:
-        """Discard and degrade; deterministic failures latch when asked."""
-        _LOGGER.warning(
-            "Precompiled header failed; compiling without it: %s", error[:400]
-        )
-        # Latching paths keep the full compiler output recoverable
-        _LOGGER.debug("Full pch output: %s", error)
-        discard_pch(build_dir)
-        if latch and not any(m in error for m in _TRANSIENT_ERRORS):
-            # Skip retries until a header/flag/backend-identity/command change
-            failed_marker.write_text(checksum + "\n", encoding="utf-8")
-            os.utime(header)
-        pch_degraded(f"{reason}: {error[:200]}")
-
-    def _probe(latch: bool = True) -> None:
-        """Load-check the built .gch: some toolchains build one they then
-        refuse to load (per-process ASLR). Dep flags are already stripped
-        from cmd, so no -MF is needed; cmd ends with the fixed
-        "-x c++-header -c -o" tail. A cached-header rejection may not
-        reproduce (per-process), so that caller passes latch=False."""
-        if cmd[-6:-4] != ["-x", "c++-header"]:
-            # The slice below depends on pch_compile_command's fixed tail
-            _LOGGER.warning("Unexpected pch command shape: %s", cmd[-6:])
-            discard_pch(build_dir)
-            pch_degraded("unexpected pch command shape")
-            return
-        base = cmd[:-6]
-        probe = _run([*base, *pch_probe_args(str(header))], "probe", stdin="")
-        if probe is None:
-            return
-        if probe.returncode != 0:
-            # Disambiguate: only blame the pch when the same compile passes
-            # without it; a failing baseline is its own (latchable) problem
-            baseline = _run([*base, *pch_probe_tail()], "probe baseline", stdin="")
-            if baseline is None:
-                return
-            if baseline.returncode == 0:
-                error = probe.stderr.strip() or f"exit code {probe.returncode}"
-                _fail(error, "toolchain cannot load the pch", latch=latch)
-            else:
-                error = baseline.stderr.strip() or f"exit code {baseline.returncode}"
-                _fail(error, "probe cannot run at all", latch=latch)
-
-    if gch.is_file() and _read_stamp(sum_path) == checksum:
-        log_pch_in_use()
-        if pch_strict():
-            # Rejection is per-process, so a cached .gch must re-prove
-            # loadability for the strict gate (CI-only cost); no latch,
-            # since the rejection may not reproduce either
-            _probe(latch=False)
-        return
-    if _read_stamp(failed_marker) == checksum:
-        _LOGGER.info(
-            "Precompiled header disabled after an earlier failure; delete %s to retry",
-            failed_marker,
-        )
-        pch_degraded("earlier failure latched")
-        return
-    log_pch_in_use()
-    result = _run(cmd, "compile")
-    if result is None:
-        return
-    error = None
-    if result.returncode != 0:
-        error = result.stderr.strip() or f"exit code {result.returncode}"
-    elif not gch.is_file():
-        error = "compiler produced no .gch"
-    if error is not None:
-        _fail(error, "compile failed", latch=True)
-        return
-    _probe()
-    if not gch.is_file():
-        # The probe discarded a rejected or unrunnable .gch
-        return
-    failed_marker.unlink(missing_ok=True)
-    sum_path.write_text(checksum + "\n", encoding="utf-8")
-    # Consumers depend on the header (depfiles cannot see through a .gch);
-    # bump it so users of the previous .gch recompile
-    os.utime(header)

esphome/components/captive_portal/captive_index.h

@@ -7,146 +7,146 @@ namespace esphome::captive_portal {
 
 #ifdef USE_CAPTIVE_PORTAL_GZIP
 constexpr uint8_t INDEX_GZ[] PROGMEM = {
-    0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x95, 0x16, 0x6b, 0x8f, 0xdb, 0x36, 0xf2, 0x7b, 0x7f,
-    0x05, 0x8f, 0x4d, 0x1b, 0xa9, 0xb1, 0xa8, 0x87, 0xd7, 0xde, 0x44, 0x96, 0x54, 0xa4, 0x7b, 0x2d, 0x5a, 0xa0, 0x69,
-    0x03, 0xec, 0x36, 0xf7, 0x21, 0x08, 0xb0, 0x34, 0x39, 0xb2, 0x98, 0xa5, 0x48, 0x1d, 0x49, 0xbf, 0x62, 0xf8, 0x7e,
-    0xfb, 0x81, 0x92, 0xec, 0xf5, 0x2e, 0x9a, 0x03, 0x0e, 0x86, 0x85, 0x19, 0xce, 0x7b, 0x38, 0x0f, 0x16, 0xff, 0xe0,
-    0x9a, 0xb9, 0x7d, 0x07, 0xa8, 0x71, 0xad, 0xac, 0x0a, 0xff, 0x45, 0x92, 0xaa, 0x55, 0x09, 0xaa, 0x2a, 0x1a, 0xa0,
-    0xbc, 0x2a, 0x5a, 0x70, 0x14, 0xb1, 0x86, 0x1a, 0x0b, 0xae, 0xfc, 0xeb, 0xee, 0x97, 0xe8, 0x75, 0x55, 0x48, 0xa1,
-    0x1e, 0x90, 0x01, 0x59, 0x0a, 0xa6, 0x15, 0x6a, 0x0c, 0xd4, 0x25, 0xa7, 0x8e, 0xe6, 0xa2, 0xa5, 0x2b, 0x18, 0x45,
-    0x14, 0x6d, 0xa1, 0xdc, 0x08, 0xd8, 0x76, 0xda, 0x38, 0xc4, 0xb4, 0x72, 0xa0, 0x5c, 0x89, 0xb7, 0x82, 0xbb, 0xa6,
-    0xe4, 0xb0, 0x11, 0x0c, 0xa2, 0x1e, 0x99, 0x08, 0x25, 0x9c, 0xa0, 0x32, 0xb2, 0x8c, 0x4a, 0x28, 0xd3, 0xc9, 0xda,
-    0x82, 0xe9, 0x11, 0xba, 0x94, 0x50, 0x2a, 0x8d, 0xab, 0xc2, 0x32, 0x23, 0x3a, 0x87, 0xbc, 0xab, 0x65, 0xab, 0xf9,
-    0x5a, 0x42, 0x15, 0xc7, 0xd4, 0x5a, 0x70, 0x36, 0x16, 0x8a, 0xc3, 0x8e, 0xd0, 0x6b, 0xb8, 0xa6, 0x2c, 0x4d, 0xc8,
-    0x67, 0xfb, 0x0d, 0xd7, 0x6c, 0xdd, 0x82, 0x72, 0x44, 0x6a, 0x46, 0x9d, 0xd0, 0x8a, 0x58, 0xa0, 0x86, 0x35, 0x65,
-    0x59, 0xe2, 0x1f, 0x2d, 0xdd, 0x00, 0xfe, 0xfe, 0xfb, 0xe0, 0xcc, 0xb4, 0x02, 0xf7, 0xb3, 0x04, 0x0f, 0xda, 0x9f,
-    0xf6, 0x77, 0x74, 0xf5, 0x07, 0x6d, 0x21, 0xc0, 0xd4, 0x0a, 0x0e, 0x38, 0xfc, 0x98, 0x7c, 0x22, 0xd6, 0xed, 0x25,
-    0x10, 0x2e, 0x6c, 0x27, 0xe9, 0xbe, 0xc4, 0x4b, 0xa9, 0xd9, 0x03, 0x0e, 0x17, 0xf5, 0x5a, 0x31, 0xaf, 0x1c, 0xe9,
-    0x00, 0xc2, 0x83, 0x04, 0x87, 0x5c, 0xf9, 0x8e, 0xba, 0x86, 0xb4, 0x74, 0x17, 0x0c, 0x80, 0x50, 0x41, 0xf6, 0x43,
-    0x00, 0xaf, 0xd2, 0x24, 0x09, 0x27, 0xfd, 0x27, 0x09, 0xe3, 0x34, 0x49, 0x16, 0x06, 0xdc, 0xda, 0x28, 0x44, 0x83,
-    0xfb, 0xa2, 0xa3, 0xae, 0x41, 0xbc, 0xc4, 0xef, 0xd2, 0x0c, 0xa5, 0x6f, 0x48, 0x36, 0xfb, 0x9d, 0x5c, 0xa3, 0x2b,
-    0x92, 0xcd, 0xd8, 0x75, 0x34, 0x43, 0xe9, 0x55, 0x34, 0x43, 0x59, 0x46, 0x66, 0x28, 0xf9, 0x82, 0x51, 0x2d, 0xa4,
-    0x2c, 0xb1, 0xd2, 0x0a, 0x30, 0xb2, 0xce, 0xe8, 0x07, 0x28, 0x31, 0x5b, 0x1b, 0x03, 0xca, 0xdd, 0x68, 0xa9, 0x0d,
-    0x8e, 0xab, 0x6f, 0xfe, 0x2f, 0x85, 0xce, 0x50, 0x65, 0x6b, 0x6d, 0xda, 0x12, 0xf7, 0xd9, 0x0f, 0x5e, 0x1c, 0xdc,
-    0x11, 0xf9, 0x4f, 0x78, 0x41, 0x8c, 0xb4, 0x11, 0x2b, 0xa1, 0x4a, 0xec, 0x35, 0xbe, 0xc6, 0x71, 0x75, 0x1f, 0x1e,
-    0xcf, 0xd1, 0x53, 0x1f, 0xfd, 0x18, 0x0f, 0x0f, 0x3e, 0xde, 0x17, 0x76, 0xb3, 0x42, 0xbb, 0x56, 0x2a, 0x5b, 0xe2,
-    0xc6, 0xb9, 0x2e, 0x8f, 0xe3, 0xed, 0x76, 0x4b, 0xb6, 0x53, 0xa2, 0xcd, 0x2a, 0xce, 0x92, 0x24, 0x89, 0xed, 0x66,
-    0x85, 0xd1, 0x50, 0x08, 0x38, 0xbb, 0xc2, 0xa8, 0x01, 0xb1, 0x6a, 0x5c, 0x0f, 0x57, 0x2f, 0x0e, 0x70, 0x2c, 0x3c,
-    0x47, 0x75, 0xff, 0xe9, 0xc2, 0x8a, 0xb9, 0xb0, 0x02, 0x3f, 0xd2, 0x00, 0x9f, 0xc2, 0x7c, 0xd9, 0x87, 0x79, 0x4d,
-    0x33, 0x94, 0xa1, 0xa4, 0xff, 0x65, 0x91, 0x87, 0x47, 0x2c, 0x7a, 0x86, 0xa1, 0x0b, 0xcc, 0x43, 0xed, 0x3c, 0x7a,
-    0x73, 0x96, 0x4d, 0xfd, 0xc9, 0x26, 0x4d, 0x1e, 0x0f, 0xbc, 0xc0, 0xaf, 0xf3, 0x4b, 0x3c, 0xca, 0x3e, 0x5c, 0x32,
-    0x78, 0x6b, 0x4d, 0xfa, 0x61, 0x4e, 0x67, 0x68, 0x36, 0x9e, 0xcc, 0x22, 0x0f, 0x9f, 0x31, 0x34, 0xdb, 0x64, 0x4d,
-    0xda, 0x46, 0xf3, 0x68, 0x46, 0xa7, 0x68, 0x3a, 0x3a, 0x32, 0x45, 0xd3, 0x4d, 0xd6, 0xcc, 0x3f, 0xcc, 0x2f, 0xcf,
-    0xa2, 0xe9, 0x97, 0x97, 0x71, 0x85, 0xc3, 0x1c, 0xe3, 0xc7, 0xc8, 0xf9, 0x65, 0xe4, 0xe4, 0xb3, 0x16, 0x2a, 0xc0,
-    0x38, 0x3c, 0xd6, 0xe0, 0x58, 0x13, 0xe0, 0x98, 0x69, 0x55, 0x8b, 0x15, 0xf9, 0x6c, 0xb5, 0xc2, 0x21, 0x71, 0x0d,
-    0xa8, 0xe0, 0x24, 0xea, 0x05, 0xa1, 0xa7, 0x04, 0xcf, 0x29, 0x2e, 0x3c, 0x9c, 0xeb, 0xdf, 0x09, 0x27, 0xa1, 0x74,
-    0xc4, 0x37, 0xec, 0xe4, 0x6f, 0xba, 0xe2, 0xa7, 0xfd, 0x6f, 0x3c, 0xc0, 0x2d, 0x65, 0x38, 0x24, 0x42, 0x29, 0x30,
-    0x77, 0xb0, 0x73, 0x25, 0x7e, 0xf7, 0xf6, 0x06, 0xbd, 0xe5, 0xdc, 0x80, 0xb5, 0x39, 0xc2, 0xaf, 0x1c, 0x69, 0x29,
-    0xfb, 0xba, 0x78, 0x93, 0x3e, 0x95, 0xfe, 0x97, 0xf8, 0x45, 0xa0, 0x3f, 0xc0, 0x6d, 0xb5, 0x79, 0x18, 0xe5, 0xbd,
-    0xfd, 0x85, 0x6f, 0x23, 0x56, 0x7e, 0x55, 0x8d, 0x02, 0x87, 0xc3, 0x89, 0xf8, 0x3a, 0x83, 0xb5, 0x82, 0xe3, 0x70,
-    0x22, 0xbf, 0xce, 0xd1, 0x59, 0xdf, 0xbc, 0x8e, 0xd0, 0xce, 0x12, 0x2b, 0x05, 0x83, 0x20, 0x0d, 0x49, 0xad, 0xcd,
-    0xcf, 0x94, 0x35, 0x8f, 0x09, 0xb2, 0x43, 0x47, 0xab, 0x47, 0x3d, 0xcc, 0x00, 0x75, 0x30, 0xaa, 0x0a, 0x30, 0x17,
-    0x1b, 0x1c, 0x2e, 0x14, 0x61, 0x92, 0x5a, 0xeb, 0x47, 0x46, 0xe9, 0x9d, 0xf3, 0xe1, 0xe0, 0x89, 0x1a, 0x22, 0xfd,
-    0xf5, 0xee, 0xdd, 0xef, 0xe5, 0x7d, 0x41, 0x87, 0x01, 0x89, 0xbf, 0xc5, 0xa8, 0x67, 0x3e, 0x33, 0x46, 0x12, 0x6a,
-    0xe7, 0x2b, 0x5e, 0x07, 0x96, 0x18, 0x6b, 0x45, 0x78, 0x2c, 0x6c, 0x47, 0xd5, 0x73, 0xb6, 0x3e, 0xa6, 0xaa, 0x88,
-    0x3d, 0xad, 0x2a, 0x62, 0x5a, 0xbd, 0x38, 0x98, 0xc0, 0xfa, 0xe1, 0xf6, 0x10, 0x1e, 0xef, 0x27, 0x8a, 0xfc, 0x7b,
-    0x0d, 0x66, 0x7f, 0x0b, 0x12, 0x98, 0xd3, 0x26, 0xc0, 0xe4, 0x89, 0x60, 0x48, 0x1c, 0xec, 0xdc, 0xcd, 0x38, 0x7f,
-    0x2d, 0xf1, 0x87, 0x13, 0x45, 0xb4, 0x62, 0x52, 0xb0, 0x87, 0xf2, 0x1c, 0x71, 0x78, 0x10, 0x64, 0x43, 0xe5, 0x1a,
-    0x4e, 0x3c, 0x92, 0xd4, 0x9a, 0xad, 0x6d, 0x10, 0x1e, 0x27, 0x8c, 0xd0, 0xae, 0x03, 0xc5, 0x6f, 0x1a, 0x21, 0x79,
-    0xa0, 0xc2, 0x63, 0xf8, 0x78, 0xd3, 0xcf, 0x8c, 0xfb, 0xd5, 0xf0, 0xd1, 0x80, 0xfc, 0x4f, 0xf9, 0xd2, 0x2f, 0x87,
-    0x97, 0x9f, 0x70, 0x48, 0xfa, 0xf8, 0xef, 0x1f, 0x37, 0x84, 0x6f, 0xef, 0x57, 0xbb, 0x56, 0x4e, 0x7c, 0xe8, 0xd1,
-    0x7c, 0x16, 0x1e, 0xef, 0x8f, 0xe1, 0x31, 0x5c, 0x14, 0xf1, 0x30, 0xe7, 0xab, 0xa2, 0x1f, 0xb9, 0xd5, 0x0f, 0x87,
-    0xa5, 0xde, 0x45, 0x56, 0x7c, 0x11, 0x6a, 0x95, 0x0b, 0xd5, 0x80, 0x11, 0xee, 0xc8, 0xc5, 0x66, 0x22, 0x54, 0xb7,
-    0x76, 0x87, 0x8e, 0x72, 0xee, 0x29, 0xb3, 0x6e, 0xb7, 0xa8, 0xb5, 0x72, 0x9e, 0x13, 0xf2, 0x14, 0xda, 0xe3, 0x40,
-    0xef, 0x27, 0x4c, 0xfe, 0x66, 0xf6, 0xdd, 0x71, 0xa9, 0xf9, 0xfe, 0xe0, 0xd3, 0x10, 0x51, 0x29, 0x56, 0x2a, 0x67,
-    0xa0, 0x1c, 0x98, 0x41, 0xa8, 0xa6, 0xad, 0x90, 0xfb, 0xdc, 0x52, 0x65, 0x23, 0x0b, 0x46, 0xd4, 0xc7, 0xe5, 0xda,
-    0x39, 0xad, 0x0e, 0x4b, 0x6d, 0x38, 0x98, 0x3c, 0x59, 0x0c, 0x40, 0x64, 0x28, 0x17, 0x6b, 0x9b, 0x93, 0xa9, 0x81,
-    0x76, 0xb1, 0xa4, 0xec, 0x61, 0x65, 0xf4, 0x5a, 0xf1, 0x88, 0xf9, 0xc9, 0x9b, 0x7f, 0x9b, 0xd6, 0x74, 0x0a, 0x6c,
-    0x31, 0x62, 0x75, 0x5d, 0x2f, 0xa4, 0x50, 0x10, 0x0d, 0xb3, 0x2d, 0xcf, 0xc8, 0x95, 0x17, 0xbb, 0x70, 0x93, 0x64,
-    0xfe, 0x60, 0xf0, 0x31, 0x4d, 0x92, 0xef, 0x16, 0xa7, 0x70, 0x92, 0x05, 0x5b, 0x1b, 0xab, 0x4d, 0xde, 0x69, 0xe1,
-    0xdd, 0x3c, 0xb6, 0x54, 0xa8, 0x4b, 0xef, 0x7d, 0xd9, 0x2c, 0xc6, 0x75, 0x94, 0x0b, 0xd5, 0x9b, 0xe9, 0x97, 0xd2,
-    0xa2, 0x15, 0x6a, 0xd8, 0xa9, 0x79, 0x36, 0x4f, 0xba, 0xdd, 0xf1, 0x54, 0x09, 0x87, 0x13, 0x77, 0x2d, 0x61, 0xb7,
-    0xf8, 0xbc, 0xb6, 0x4e, 0xd4, 0xfb, 0x68, 0xdc, 0xc9, 0xb9, 0xed, 0x28, 0x83, 0x68, 0x09, 0x6e, 0x0b, 0xa0, 0x16,
-    0xbd, 0x8d, 0x48, 0x38, 0x68, 0xed, 0x98, 0xa7, 0xb3, 0x9a, 0xbe, 0x60, 0x9f, 0xea, 0xfa, 0x5f, 0xdc, 0xbe, 0x8a,
-    0x0e, 0x2d, 0x35, 0x2b, 0xa1, 0xa2, 0xa5, 0x76, 0x4e, 0xb7, 0x79, 0x74, 0xdd, 0xed, 0x16, 0xe3, 0x91, 0x57, 0x96,
-    0xa7, 0xde, 0xcd, 0x7e, 0xd7, 0x9e, 0xf2, 0x9d, 0x76, 0x3b, 0x64, 0xb5, 0x14, 0x7c, 0xe4, 0xeb, 0x59, 0x50, 0x72,
-    0x4e, 0x4f, 0x3a, 0xeb, 0x76, 0xc8, 0x9f, 0x9d, 0x52, 0x7d, 0x55, 0xbf, 0xa6, 0x69, 0xf2, 0x37, 0x37, 0xc2, 0xeb,
-    0x3a, 0x5b, 0xd6, 0xe7, 0x4c, 0xf9, 0xb5, 0xe9, 0x57, 0x4b, 0x5f, 0x5a, 0x45, 0x3c, 0xbc, 0x6e, 0x7c, 0x65, 0x54,
-    0x85, 0xcf, 0x70, 0x55, 0x34, 0x29, 0x12, 0xbc, 0x6c, 0x29, 0xab, 0x2e, 0x66, 0x5b, 0x11, 0x37, 0xe9, 0x89, 0xd4,
-    0xa4, 0xd5, 0x93, 0xb9, 0x35, 0xd0, 0x7a, 0xef, 0xab, 0x1b, 0xad, 0x14, 0x30, 0x27, 0xd4, 0x0a, 0x39, 0x8d, 0xc6,
-    0x14, 0x10, 0x42, 0x8a, 0xa5, 0xa9, 0xde, 0x4b, 0xa0, 0x16, 0xd0, 0x96, 0x0a, 0x47, 0x8a, 0x78, 0xe0, 0x1f, 0x3a,
-    0x5d, 0xf0, 0x52, 0x81, 0x3b, 0xf7, 0x76, 0x33, 0x1d, 0x0c, 0xdc, 0x82, 0xf3, 0x9a, 0xbc, 0x81, 0x69, 0x55, 0xf8,
-    0x15, 0x8c, 0x68, 0xdf, 0xa5, 0x65, 0xbc, 0x15, 0xb5, 0xf0, 0x4f, 0x98, 0xaa, 0xe8, 0x8b, 0xdc, 0x6b, 0xf0, 0x79,
-    0x1e, 0x9e, 0x5b, 0x3d, 0x24, 0x41, 0xad, 0x5c, 0x53, 0x4e, 0x33, 0xd4, 0x49, 0xca, 0xa0, 0xd1, 0x92, 0x83, 0x29,
-    0x6f, 0x6f, 0x7f, 0xfb, 0x67, 0xe5, 0x9d, 0x79, 0x94, 0xeb, 0xec, 0xc3, 0x20, 0xe6, 0x81, 0x51, 0x6a, 0x7e, 0x35,
-    0x3c, 0xb2, 0x3a, 0x6a, 0xed, 0x56, 0x1b, 0xfe, 0x44, 0xc7, 0xfb, 0xf1, 0x70, 0xd0, 0xd3, 0xff, 0xfb, 0x56, 0xa9,
-    0x6e, 0xe9, 0x06, 0x8a, 0x78, 0x44, 0x8a, 0xd8, 0x3b, 0x3c, 0xd0, 0x9b, 0x91, 0xaf, 0x49, 0xab, 0x3f, 0xef, 0xde,
-    0xa2, 0xbf, 0x3a, 0x4e, 0x1d, 0x0c, 0x69, 0xeb, 0xa3, 0x6a, 0xc1, 0x35, 0x9a, 0x97, 0xef, 0xff, 0xbc, 0xbd, 0x3b,
-    0x47, 0xb8, 0xee, 0x99, 0x10, 0x28, 0x36, 0x3c, 0xf7, 0xd6, 0xd2, 0x89, 0x8e, 0x1a, 0xd7, 0xab, 0x8d, 0xfc, 0x14,
-    0x39, 0xc5, 0xd0, 0xd3, 0x6b, 0x21, 0x61, 0x08, 0x63, 0x10, 0xac, 0xd0, 0xc9, 0xab, 0x93, 0xb5, 0x67, 0x7e, 0xc5,
-    0xc3, 0x6d, 0xc7, 0xc3, 0xd5, 0xc7, 0xfd, 0xcb, 0xf7, 0xbf, 0x81, 0xdb, 0x13, 0xb5, 0x09, 0x0b, 0x00, 0x00};
+    0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x95, 0x56, 0x6d, 0x8f, 0xdb, 0x36, 0x0c, 0xfe, 0xbe,
+    0x5f, 0xa1, 0x79, 0xdd, 0x6a, 0xaf, 0xb1, 0xfc, 0x92, 0x4b, 0xda, 0x3a, 0x96, 0x8b, 0xee, 0xd6, 0x62, 0x03, 0xd6,
+    0xad, 0xc0, 0xdd, 0xba, 0x0f, 0x45, 0x01, 0x2b, 0x32, 0x1d, 0xab, 0x27, 0x4b, 0x9e, 0xa4, 0xbc, 0x35, 0xc8, 0x7e,
+    0xfb, 0x20, 0xdb, 0xc9, 0xe5, 0x8a, 0x16, 0xd8, 0x10, 0xc4, 0xa0, 0x44, 0xf2, 0xe1, 0x8b, 0x28, 0x52, 0xf9, 0xb7,
+    0x95, 0x62, 0x76, 0xdf, 0x01, 0x6a, 0x6c, 0x2b, 0x8a, 0xdc, 0x7d, 0x91, 0xa0, 0x72, 0x45, 0x40, 0x16, 0x79, 0x03,
+    0xb4, 0x2a, 0xf2, 0x16, 0x2c, 0x45, 0xac, 0xa1, 0xda, 0x80, 0x25, 0x7f, 0xde, 0xbe, 0x0e, 0x9f, 0x15, 0xb9, 0xe0,
+    0xf2, 0x0e, 0x69, 0x10, 0x84, 0x33, 0x25, 0x51, 0xa3, 0xa1, 0x26, 0x15, 0xb5, 0x34, 0xe3, 0x2d, 0x5d, 0xc1, 0xa8,
+    0x22, 0x69, 0x0b, 0x64, 0xc3, 0x61, 0xdb, 0x29, 0x6d, 0x11, 0x53, 0xd2, 0x82, 0xb4, 0xc4, 0xdb, 0xf2, 0xca, 0x36,
+    0xa4, 0x82, 0x0d, 0x67, 0x10, 0xf6, 0x8b, 0x09, 0x97, 0xdc, 0x72, 0x2a, 0x42, 0xc3, 0xa8, 0x00, 0x92, 0x4c, 0xd6,
+    0x06, 0x74, 0xbf, 0xa0, 0x4b, 0x01, 0x44, 0x2a, 0xaf, 0xc8, 0x0d, 0xd3, 0xbc, 0xb3, 0xc8, 0xb9, 0x4a, 0x5a, 0x55,
+    0xad, 0x05, 0x20, 0xa6, 0x95, 0x31, 0x4a, 0xf3, 0x15, 0x97, 0x45, 0xa5, 0xd8, 0xba, 0x05, 0x69, 0xb1, 0x50, 0x8c,
+    0x5a, 0xae, 0x24, 0x36, 0x40, 0x35, 0x6b, 0x08, 0x21, 0xe5, 0x0b, 0x43, 0x37, 0x50, 0xfe, 0xf0, 0x83, 0x7f, 0x16,
+    0x5a, 0x81, 0x7d, 0x25, 0xc0, 0x91, 0xe6, 0xa7, 0xfd, 0x2d, 0x5d, 0xfd, 0x4e, 0x5b, 0xf0, 0x4b, 0x6a, 0x78, 0x05,
+    0x65, 0xf0, 0x3e, 0xfe, 0x80, 0x8d, 0xdd, 0x0b, 0xc0, 0x15, 0x37, 0x9d, 0xa0, 0x7b, 0x52, 0x2e, 0x85, 0x62, 0x77,
+    0x65, 0xb0, 0xa8, 0xd7, 0x92, 0x39, 0x70, 0x04, 0x3e, 0x04, 0x07, 0x01, 0x16, 0x49, 0xf2, 0x86, 0xda, 0x06, 0xb7,
+    0x74, 0xe7, 0x0f, 0x04, 0x97, 0x7e, 0xfa, 0xa3, 0x0f, 0x4f, 0x92, 0x38, 0x0e, 0x26, 0xfd, 0x27, 0x0e, 0xa2, 0x24,
+    0x8e, 0x17, 0x1a, 0xec, 0x5a, 0x4b, 0x64, 0xfd, 0x32, 0xef, 0xa8, 0x6d, 0x50, 0x45, 0xbc, 0x37, 0x49, 0x8a, 0x92,
+    0xe7, 0x38, 0x9d, 0xfd, 0x86, 0x9f, 0xa2, 0x2b, 0x9c, 0xce, 0xd8, 0xd3, 0x70, 0x86, 0x92, 0xab, 0x70, 0x86, 0xd2,
+    0x14, 0xcf, 0x50, 0xfc, 0xc9, 0x43, 0x35, 0x17, 0x82, 0x78, 0x52, 0x49, 0xf0, 0x90, 0xb1, 0x5a, 0xdd, 0x01, 0xf1,
+    0xd8, 0x5a, 0x6b, 0x90, 0xf6, 0x5a, 0x09, 0xa5, 0xbd, 0xa8, 0xf8, 0xe6, 0x7f, 0x01, 0x5a, 0x4d, 0xa5, 0xa9, 0x95,
+    0x6e, 0x89, 0xd7, 0xa7, 0xdb, 0x7f, 0x74, 0x90, 0x47, 0xe4, 0x3e, 0xc1, 0x05, 0x33, 0x1c, 0xf2, 0x4a, 0x3c, 0x87,
+    0xf8, 0xcc, 0x8b, 0x8a, 0x32, 0x38, 0x9e, 0xa3, 0xb7, 0x2e, 0xfa, 0x31, 0x1e, 0xed, 0xbf, 0x2f, 0x73, 0xb3, 0x59,
+    0xa1, 0x5d, 0x2b, 0xa4, 0x21, 0x5e, 0x63, 0x6d, 0x97, 0x45, 0xd1, 0x76, 0xbb, 0xc5, 0xdb, 0x29, 0x56, 0x7a, 0x15,
+    0xa5, 0x71, 0x1c, 0x47, 0x66, 0xb3, 0xf2, 0xd0, 0x70, 0xf2, 0x5e, 0x7a, 0xe5, 0xa1, 0x06, 0xf8, 0xaa, 0xb1, 0x3d,
+    0x5d, 0x3c, 0x3a, 0xc0, 0x31, 0x77, 0x12, 0x45, 0xf9, 0xe1, 0xc2, 0x8a, 0xbc, 0xb0, 0x02, 0x2f, 0x2e, 0xf2, 0xf6,
+    0xb8, 0x0f, 0xf3, 0x29, 0x4d, 0x51, 0x8a, 0xe2, 0xfe, 0x97, 0x86, 0x8e, 0x1e, 0x57, 0xe1, 0x67, 0x2b, 0x74, 0xb1,
+    0x72, 0x54, 0x3b, 0x0f, 0x9f, 0x9f, 0x75, 0x13, 0xb7, 0xb3, 0x49, 0xe2, 0xfb, 0x0d, 0xa7, 0xf0, 0xcb, 0xfc, 0x72,
+    0x1d, 0xa6, 0xef, 0x2e, 0x05, 0x9c, 0xb5, 0x26, 0x79, 0x37, 0xa7, 0x33, 0x34, 0x1b, 0x77, 0x66, 0xa1, 0xa3, 0xcf,
+    0x2b, 0x34, 0xdb, 0xa4, 0x4d, 0xd2, 0x86, 0xf3, 0x70, 0x46, 0xa7, 0x68, 0x3a, 0x3a, 0x32, 0x45, 0xd3, 0x4d, 0xda,
+    0xcc, 0xdf, 0xcd, 0x2f, 0xf7, 0xc2, 0xe9, 0xa7, 0xc7, 0x2e, 0xb9, 0x59, 0x59, 0xde, 0x47, 0xae, 0x2f, 0x23, 0xc7,
+    0x1f, 0x15, 0x97, 0x7e, 0xe9, 0xf2, 0x0f, 0x96, 0x35, 0x7e, 0x19, 0x31, 0x25, 0x6b, 0xbe, 0xc2, 0x1f, 0x8d, 0x92,
+    0x65, 0x80, 0x6d, 0x03, 0xd2, 0x3f, 0xa9, 0xfa, 0x36, 0x38, 0xd8, 0x9e, 0xe3, 0x7f, 0x81, 0x73, 0xae, 0x7f, 0xcb,
+    0xad, 0x00, 0x62, 0xb1, 0xbb, 0xa1, 0x93, 0x2f, 0xdc, 0x8a, 0x9f, 0xf6, 0xbf, 0x56, 0x7e, 0xd9, 0x52, 0x56, 0x06,
+    0x98, 0x4b, 0x09, 0xfa, 0x16, 0x76, 0x96, 0x94, 0x6f, 0x5e, 0x5e, 0xa3, 0x97, 0x55, 0xa5, 0xc1, 0x98, 0x0c, 0x95,
+    0x4f, 0x2c, 0x6e, 0x29, 0xfb, 0xba, 0x7a, 0x93, 0x3c, 0xd4, 0xfe, 0x8b, 0xbf, 0xe6, 0xe8, 0x77, 0xb0, 0x5b, 0xa5,
+    0xef, 0x46, 0x7d, 0x67, 0x7f, 0xe1, 0xae, 0x91, 0x26, 0x5f, 0x85, 0x91, 0x60, 0xcb, 0x60, 0xc2, 0xbf, 0x2e, 0x60,
+    0x0c, 0xaf, 0xca, 0x60, 0x42, 0xbf, 0x2e, 0xd1, 0x19, 0x77, 0x79, 0x2d, 0xa6, 0x9d, 0xc1, 0x46, 0x70, 0x06, 0x7e,
+    0x12, 0xe0, 0x5a, 0xe9, 0x57, 0x94, 0x35, 0x0f, 0x12, 0xe4, 0x5c, 0x51, 0xf7, 0x38, 0x4c, 0x03, 0xb5, 0x30, 0x42,
+    0xf9, 0x65, 0xc5, 0x37, 0x65, 0xb0, 0x50, 0x98, 0x09, 0x6a, 0x8c, 0x6b, 0x19, 0xc4, 0x39, 0xe7, 0xc2, 0x29, 0x27,
+    0x6a, 0x88, 0xf4, 0x97, 0xdb, 0x37, 0xbf, 0x91, 0x32, 0xa7, 0x43, 0x47, 0xf4, 0xbe, 0xf3, 0x50, 0x2f, 0x4c, 0xbc,
+    0x51, 0x30, 0x14, 0x50, 0xdb, 0xbe, 0xe2, 0x7d, 0x8b, 0xb5, 0x31, 0x3c, 0x38, 0xe6, 0xa6, 0xa3, 0xf2, 0x73, 0x31,
+    0x17, 0x93, 0x57, 0xe4, 0x91, 0xe3, 0x15, 0x79, 0x44, 0x8b, 0x47, 0x07, 0xe9, 0xf7, 0xcd, 0xed, 0x2e, 0x38, 0x3a,
+    0x6b, 0x7f, 0xaf, 0x41, 0xef, 0x6f, 0x40, 0x00, 0xb3, 0x4a, 0xfb, 0x25, 0xbe, 0x54, 0x74, 0x45, 0x01, 0x3b, 0x7b,
+    0x3d, 0x36, 0x5c, 0x8b, 0xdd, 0xe6, 0x44, 0x61, 0x25, 0x99, 0xe0, 0xec, 0x8e, 0x9c, 0x23, 0x0e, 0x0e, 0x1c, 0x6f,
+    0xa8, 0x58, 0xc3, 0x49, 0x86, 0xe2, 0x5a, 0xb1, 0xb5, 0xf1, 0x83, 0xe3, 0x44, 0x63, 0xda, 0x75, 0x20, 0xab, 0xeb,
+    0x86, 0x8b, 0xca, 0x57, 0xc1, 0x31, 0xb8, 0x3f, 0xe9, 0xcf, 0x8c, 0xbb, 0x59, 0xf0, 0x5e, 0x83, 0xf8, 0x87, 0x3c,
+    0x76, 0xd3, 0xe0, 0xf1, 0x87, 0x32, 0xc0, 0x7d, 0xfc, 0xe5, 0xfd, 0x48, 0x70, 0xd7, 0xfb, 0xc9, 0xae, 0x15, 0x13,
+    0x17, 0x7a, 0x38, 0x9f, 0x05, 0xc7, 0xf2, 0x18, 0x1c, 0x83, 0x45, 0x1e, 0x0d, 0x8d, 0xbd, 0xc8, 0xfb, 0x96, 0xdb,
+    0x8f, 0x94, 0x9e, 0x32, 0x0d, 0x80, 0x7d, 0xd0, 0xe2, 0x7f, 0x3c, 0x2c, 0xd5, 0x2e, 0x34, 0xfc, 0x13, 0x97, 0xab,
+    0x8c, 0xcb, 0x06, 0x34, 0xb7, 0xc7, 0x8a, 0x6f, 0x26, 0x5c, 0x76, 0x6b, 0x7b, 0xe8, 0x68, 0x55, 0x39, 0xce, 0xac,
+    0xdb, 0x2d, 0x6a, 0x25, 0xad, 0x93, 0x84, 0x2c, 0x81, 0xf6, 0x38, 0xf0, 0xfb, 0xe6, 0x93, 0x3d, 0x9f, 0x7d, 0x7f,
+    0x5c, 0xaa, 0x6a, 0x7f, 0x70, 0x19, 0x0a, 0xa9, 0xe0, 0x2b, 0x99, 0x31, 0x90, 0x16, 0xf4, 0xa0, 0x54, 0xd3, 0x96,
+    0x8b, 0x7d, 0x66, 0xa8, 0x34, 0xa1, 0x01, 0xcd, 0xeb, 0xe3, 0x72, 0x6d, 0xad, 0x92, 0x07, 0xe6, 0x9a, 0x6d, 0xf6,
+    0x5d, 0x5d, 0xd7, 0x0b, 0xb6, 0xd6, 0x46, 0xe9, 0xac, 0x53, 0xbc, 0xd7, 0x5b, 0x52, 0x76, 0xb7, 0xd2, 0x6a, 0x2d,
+    0xab, 0x70, 0x14, 0x4a, 0x6a, 0x3a, 0x05, 0xb6, 0x58, 0x2a, 0x5d, 0x81, 0xce, 0xe2, 0x91, 0x08, 0x35, 0xad, 0xf8,
+    0xda, 0x64, 0x78, 0xaa, 0xa1, 0x5d, 0x0c, 0xee, 0x24, 0x71, 0xfc, 0xfd, 0xe2, 0xe4, 0x79, 0x7c, 0xe9, 0x37, 0x4e,
+    0x9d, 0x94, 0xe0, 0x12, 0xc2, 0xa1, 0x57, 0x66, 0x29, 0xbe, 0xd2, 0xd0, 0x1e, 0x5b, 0xca, 0xe5, 0xa5, 0xf7, 0xae,
+    0xa2, 0x16, 0x2d, 0x97, 0xc3, 0x28, 0xcd, 0xd2, 0x79, 0xdc, 0xed, 0x16, 0xe3, 0xe4, 0xca, 0xb8, 0xec, 0x11, 0xfa,
+    0xf9, 0x75, 0x3c, 0x15, 0xc9, 0xe1, 0xe3, 0xda, 0x58, 0x5e, 0xef, 0xc3, 0x71, 0x24, 0x67, 0xa6, 0xa3, 0x0c, 0xc2,
+    0x25, 0xd8, 0x2d, 0x80, 0x5c, 0xf4, 0xb0, 0x21, 0xb7, 0xd0, 0x9a, 0x53, 0x6a, 0x4e, 0x70, 0xb5, 0x80, 0xdd, 0x19,
+    0xa6, 0xaf, 0xe5, 0xc3, 0x7f, 0x96, 0x76, 0x05, 0x76, 0x68, 0xa9, 0x5e, 0x71, 0x19, 0x2e, 0x95, 0xb5, 0xaa, 0xcd,
+    0xc2, 0xa7, 0xdd, 0x6e, 0x31, 0x6e, 0x39, 0xb0, 0x2c, 0x89, 0xbb, 0xdd, 0xb1, 0x1f, 0xc3, 0xa7, 0x7c, 0x5f, 0xd5,
+    0xcf, 0x68, 0x12, 0x7f, 0x21, 0xc7, 0x55, 0x5d, 0xa7, 0xcb, 0xfa, 0x94, 0xe3, 0xa4, 0xdb, 0x21, 0xa3, 0x04, 0xaf,
+    0x46, 0xb8, 0x1e, 0x09, 0xc5, 0xe7, 0xd4, 0x26, 0xb3, 0x6e, 0x87, 0x92, 0xcb, 0xcc, 0xb8, 0x89, 0xea, 0xa6, 0x8e,
+    0xab, 0xb5, 0x22, 0x8f, 0x86, 0x97, 0x8e, 0xab, 0x8c, 0x22, 0x77, 0x19, 0x2e, 0xf2, 0x26, 0x41, 0xbc, 0x22, 0x2d,
+    0x65, 0xc5, 0x45, 0xdb, 0xcb, 0xa3, 0x26, 0x39, 0xb1, 0x9a, 0xa4, 0x78, 0xd0, 0xd2, 0x06, 0x5e, 0xef, 0x7d, 0x71,
+    0xad, 0xa4, 0x04, 0x66, 0xb9, 0x5c, 0x21, 0xab, 0xd0, 0x98, 0x02, 0x8c, 0x71, 0xbe, 0xd4, 0xc5, 0x5b, 0x01, 0xd4,
+    0x00, 0xda, 0x52, 0x6e, 0x71, 0x1e, 0x0d, 0xf2, 0x43, 0x13, 0xe0, 0x15, 0x91, 0x60, 0xcf, 0xd7, 0xbe, 0x99, 0x0e,
+    0x06, 0x6e, 0xc0, 0x3a, 0x24, 0x67, 0x60, 0x5a, 0xe4, 0x6e, 0x3a, 0x23, 0xda, 0x5f, 0x60, 0x12, 0x6d, 0x79, 0xcd,
+    0xdd, 0xeb, 0xa6, 0xc8, 0xfb, 0x22, 0x77, 0x08, 0x2e, 0xcf, 0xc3, 0xd3, 0xab, 0xa7, 0x04, 0xc8, 0x95, 0x6d, 0xc8,
+    0x34, 0x45, 0x9d, 0xa0, 0x0c, 0x1a, 0x25, 0x2a, 0xd0, 0xe4, 0xe6, 0xe6, 0xd7, 0x9f, 0x0b, 0xe7, 0xcc, 0xbd, 0x5e,
+    0x67, 0xee, 0x06, 0x35, 0x47, 0x8c, 0x5a, 0xf3, 0xab, 0xe1, 0xc1, 0xd5, 0x51, 0x63, 0xb6, 0x4a, 0x57, 0x0f, 0x30,
+    0xde, 0x8e, 0x9b, 0x03, 0x4e, 0xff, 0xef, 0xaf, 0x4a, 0x71, 0x43, 0x37, 0x90, 0x47, 0xe3, 0x22, 0x8f, 0x9c, 0xc3,
+    0x03, 0xbf, 0x19, 0xe5, 0x9a, 0xa4, 0xf8, 0xe3, 0xf6, 0x25, 0xfa, 0xb3, 0xab, 0xa8, 0x85, 0x21, 0x6d, 0x7d, 0x54,
+    0x2d, 0xd8, 0x46, 0x55, 0xe4, 0xed, 0x1f, 0x37, 0xb7, 0xe7, 0x08, 0xd7, 0xbd, 0x10, 0x02, 0xc9, 0x86, 0xa7, 0xdf,
+    0x5a, 0x58, 0xde, 0x51, 0x6d, 0x7b, 0xd8, 0xd0, 0x35, 0x98, 0x53, 0x0c, 0x3d, 0xbf, 0xe6, 0x02, 0x86, 0x30, 0x06,
+    0xc5, 0x02, 0x9d, 0xbc, 0x3a, 0x59, 0xfb, 0xcc, 0xaf, 0x68, 0x38, 0xed, 0x68, 0x38, 0xfa, 0xa8, 0x7f, 0x05, 0xff,
+    0x0b, 0x54, 0xcf, 0x54, 0x8b, 0x15, 0x0b, 0x00, 0x00};
 
 #else  // Brotli (default, smaller)
 constexpr uint8_t INDEX_BR[] PROGMEM = {
-    0x1b, 0x08, 0x0b, 0x00, 0xe4, 0x7f, 0x9b, 0xad, 0xbb, 0x97, 0x53, 0xde, 0xb7, 0x25, 0x0e, 0x69, 0xd4, 0x69, 0x89,
-    0xba, 0xa5, 0x55, 0x22, 0x04, 0x27, 0xeb, 0x00, 0x52, 0xac, 0xbc, 0xec, 0x5f, 0xfb, 0xb5, 0x7a, 0x12, 0x0a, 0xd6,
-    0x48, 0x84, 0x4a, 0x48, 0x5a, 0xcb, 0xbd, 0xb7, 0x72, 0x66, 0x4e, 0x62, 0xd8, 0xbd, 0x7f, 0x88, 0x68, 0x86, 0x28,
-    0xd6, 0xf1, 0xda, 0x2c, 0xa2, 0x32, 0x5c, 0xdd, 0xab, 0xb2, 0x15, 0xbc, 0x24, 0x13, 0xe6, 0xbd, 0x0c, 0x52, 0x63,
-    0x82, 0x88, 0x6d, 0x74, 0x71, 0x51, 0x9c, 0xe2, 0x40, 0x56, 0xea, 0xb0, 0x5c, 0xb7, 0x1d, 0x81, 0x3a, 0x0c, 0xf2,
-    0xd7, 0xa8, 0x5c, 0x35, 0x2d, 0x43, 0xb3, 0x42, 0x37, 0x7c, 0x60, 0xd8, 0xc1, 0x95, 0x91, 0x94, 0x3c, 0x29, 0x20,
-    0x96, 0x20, 0xf6, 0x24, 0xb7, 0x83, 0x4a, 0x06, 0xf1, 0xc3, 0x2f, 0x88, 0x50, 0x55, 0x35, 0x2d, 0xe8, 0xb6, 0x21,
-    0x38, 0x61, 0x8e, 0x44, 0x2a, 0xac, 0x39, 0xcf, 0x74, 0xaa, 0x31, 0x7f, 0x62, 0x32, 0x9b, 0x99, 0x42, 0x0a, 0xf6,
-    0x6f, 0xd8, 0x89, 0x3f, 0x49, 0xb1, 0xa2, 0x52, 0x0a, 0x8e, 0xb3, 0x27, 0x0b, 0x07, 0x07, 0x58, 0xb0, 0x8f, 0xaa,
-    0xdc, 0x68, 0x12, 0x0f, 0x95, 0xbf, 0xc7, 0x36, 0xd5, 0x60, 0x5a, 0xc7, 0x80, 0xac, 0x52, 0xf7, 0xa7, 0x2d, 0xb6,
-    0x64, 0xda, 0xda, 0x11, 0x8d, 0x6a, 0xe5, 0xba, 0xe9, 0xda, 0xdc, 0x62, 0xc3, 0xcb, 0xae, 0xc1, 0xe1, 0x11, 0xb6,
-    0x33, 0x29, 0x04, 0x09, 0xfe, 0x09, 0x08, 0xc2, 0x1f, 0x98, 0x16, 0x26, 0x0d, 0xce, 0xd7, 0x75, 0xfb, 0xd7, 0xa5,
-    0x82, 0xd7, 0x32, 0x44, 0x72, 0xc1, 0xc2, 0xe4, 0x15, 0xcb, 0x50, 0xfc, 0xd3, 0x58, 0x64, 0x34, 0x41, 0x32, 0xbe,
-    0x1f, 0x08, 0x43, 0x16, 0x14, 0xf7, 0x70, 0x2c, 0x1c, 0x61, 0x09, 0x78, 0x73, 0xd1, 0x30, 0xf6, 0xed, 0x85, 0x55,
-    0x50, 0x02, 0xf0, 0x68, 0x50, 0x5c, 0x1a, 0xd7, 0x3b, 0x8e, 0xf2, 0x23, 0xc8, 0x88, 0x39, 0xd0, 0x84, 0xf7, 0xa6,
-    0xd1, 0xa3, 0xfb, 0xe5, 0x44, 0xc0, 0x4c, 0x2f, 0x6f, 0x19, 0x70, 0x75, 0xf6, 0x1c, 0xb8, 0xce, 0x89, 0x4f, 0x01,
-    0x8d, 0xa1, 0x71, 0xf2, 0x97, 0xf8, 0xe7, 0xd3, 0xf1, 0xe1, 0xfa, 0xfc, 0xc8, 0x03, 0x78, 0x14, 0xa0, 0x3d, 0x28,
-    0xb7, 0xeb, 0x26, 0x52, 0x59, 0xa8, 0xb5, 0x0d, 0x5c, 0x8a, 0x6b, 0xe5, 0xf6, 0x30, 0xd6, 0xf7, 0x71, 0x31, 0xe8,
-    0xbd, 0xc9, 0xfa, 0xf5, 0x71, 0x9d, 0xff, 0xf6, 0x69, 0x62, 0x5f, 0xb5, 0xc7, 0x06, 0x43, 0x54, 0xb5, 0x87, 0xf1,
-    0xcc, 0x84, 0xe8, 0xb7, 0x56, 0x38, 0x43, 0x6a, 0xa6, 0x2f, 0x53, 0xd1, 0x89, 0x48, 0x8d, 0x72, 0x75, 0x4a, 0x17,
-    0xf6, 0x8d, 0xb2, 0xeb, 0xb1, 0x6b, 0x29, 0x1e, 0xd5, 0x74, 0xc7, 0xb3, 0xf4, 0xf1, 0x04, 0x0d, 0xbf, 0x08, 0x81,
-    0x8f, 0xfe, 0x8d, 0xfc, 0xf2, 0x35, 0x92, 0xa0, 0x24, 0x88, 0x12, 0x6a, 0xe6, 0x2f, 0x01, 0x94, 0x5c, 0x4b, 0xf9,
-    0x6b, 0x9a, 0xf6, 0x1a, 0x35, 0x11, 0x8a, 0xc6, 0x04, 0x8d, 0x50, 0x64, 0x48, 0x2d, 0x8b, 0xdf, 0xdf, 0xa1, 0xd1,
-    0xfd, 0x21, 0xd7, 0x40, 0x96, 0x00, 0xb1, 0x9f, 0x54, 0xc2, 0xe1, 0x00, 0x79, 0x15, 0x80, 0xf8, 0xca, 0x8e, 0xc5,
-    0x06, 0x03, 0xdf, 0x72, 0x49, 0xc0, 0x08, 0x27, 0x90, 0xe3, 0x14, 0xc2, 0xac, 0xc3, 0x83, 0xc9, 0xf6, 0x9d, 0x12,
-    0xab, 0x46, 0xae, 0x03, 0x74, 0x1d, 0x27, 0xce, 0x91, 0x1d, 0x4e, 0xb4, 0xbe, 0x80, 0xe7, 0x6a, 0x6d, 0x0a, 0x20,
-    0x47, 0x6b, 0x00, 0x4e, 0x25, 0x52, 0xe6, 0xf5, 0xe9, 0x43, 0x84, 0xc1, 0x0d, 0x4b, 0x04, 0xb3, 0x91, 0x49, 0xf5,
-    0xe9, 0xc4, 0x2e, 0x1b, 0xf9, 0x98, 0xf9, 0xea, 0x9e, 0xb8, 0xf6, 0x53, 0xf8, 0x42, 0xc2, 0x60, 0x5c, 0xa9, 0xd2,
-    0xfe, 0x0a, 0xe5, 0xd4, 0x7d, 0x36, 0x76, 0x04, 0x12, 0x38, 0xa1, 0xc4, 0x30, 0xb8, 0xf2, 0x69, 0x86, 0x5b, 0xe7,
-    0xe5, 0xa0, 0xc0, 0xfe, 0x91, 0x19, 0x03, 0x1e, 0xa9, 0x93, 0x26, 0x49, 0x58, 0xd5, 0xf6, 0x33, 0x4e, 0x0a, 0x89,
-    0x64, 0x1e, 0xb4, 0x7a, 0x5d, 0x0d, 0x12, 0xcf, 0x2b, 0xdd, 0x35, 0x90, 0x55, 0xc3, 0x0e, 0xcd, 0x0e, 0xad, 0x6b,
-    0x8f, 0x43, 0xd0, 0xb4, 0x6a, 0xdb, 0x4b, 0xe5, 0xa4, 0x9b, 0x09, 0x23, 0x1a, 0x43, 0xa9, 0xff, 0x61, 0x8b, 0x07,
-    0xd6, 0x0f, 0x83, 0x23, 0xbe, 0x8a, 0x66, 0xa2, 0x10, 0x2f, 0x11, 0x01, 0x0d, 0xc6, 0x96, 0xba, 0x87, 0xaa, 0xa8,
-    0x44, 0x7c, 0x1e, 0x34, 0xdb, 0xba, 0x41, 0x90, 0xf0, 0x7a, 0xdb, 0x63, 0x60, 0x96, 0x8d, 0x64, 0xcb, 0x2f, 0x28,
-    0x96, 0x04, 0xd5, 0xc0, 0x7a, 0xe8, 0xec, 0xd1, 0x61, 0x1b, 0x09, 0x4b, 0x4c, 0x6e, 0x1b, 0x31, 0x98, 0x9c, 0x6d,
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-    0x7a, 0x1b, 0x44, 0xff, 0x79, 0x9a, 0x26, 0xc4, 0xe7, 0x9e, 0x78, 0x4c, 0xa5, 0x94, 0xab, 0x78, 0x34, 0x9d, 0xb5,
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-    0x40, 0x24, 0x17, 0x61, 0x5b, 0x7b, 0x19, 0xc2, 0x7f, 0x4e, 0x5b, 0x24, 0xfb, 0x8b, 0xc3, 0x51, 0x00, 0x3d, 0x09,
-    0x04, 0x05, 0x72, 0x64, 0xf6, 0xf0, 0x6b, 0x99, 0x38, 0x93, 0x5b, 0xac, 0x0c, 0xff, 0x40, 0x7b, 0x53, 0xba, 0xab,
-    0x61, 0xc9, 0xa2, 0xde, 0xd6, 0x2b, 0x0c, 0xbd, 0x85, 0xac, 0x4c, 0x64, 0x8b, 0xe6, 0x69, 0x2b, 0x56, 0x10, 0x1b,
-    0x08, 0x59, 0x6c, 0x55, 0x0a, 0xaa, 0x93, 0x85, 0x1d, 0x45, 0xda, 0xc6, 0x39, 0xe6, 0x6a, 0xab, 0x71, 0x73, 0x46,
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-    0x69, 0xe5, 0x8f, 0x89, 0x12, 0x11, 0x9a, 0x56, 0x3b, 0x3c, 0x2b, 0xb4, 0xb2, 0x7b, 0xfd, 0xdb, 0x80, 0x92, 0xb4,
-    0xca, 0x44, 0x37, 0x8c, 0x94, 0x2f, 0x4a, 0xb4, 0xc4, 0x28, 0x83, 0x8a, 0x78, 0xcb, 0xd2, 0x5c, 0x5c, 0x35, 0x29,
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-    0x83, 0xe5, 0x4e, 0xbb, 0xd7, 0xdc, 0x8e, 0xd0, 0x3a, 0x54, 0x27, 0xce, 0xf5, 0xdb, 0xbd, 0x89, 0x3c, 0x61, 0xb3,
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-    0x94, 0x8b, 0x98, 0x08, 0x05, 0x3c, 0x45, 0x45, 0xe1, 0x6c, 0x22, 0xc5, 0x8f, 0x1f, 0x9f, 0x3f, 0xd2, 0x01, 0x12,
-    0xec, 0x86, 0x2f, 0x87, 0x8b, 0x47, 0x30, 0xd0, 0x77, 0x77, 0x1a, 0x13, 0x2d, 0xc6, 0x31, 0x65, 0x77, 0xd8, 0x8c,
-    0xe7, 0xe0, 0x16, 0xf9, 0x4b, 0xd4, 0xc5, 0xa8, 0x67, 0x79, 0xe7, 0xc3, 0x07, 0x94, 0x46, 0xa3, 0x8c, 0x67, 0xd3,
-    0xff, 0x5f, 0x96, 0xfa, 0xed, 0xa7, 0xd3, 0xdd, 0x4f, 0x27, 0x49, 0x27, 0xcf, 0xa4, 0x02, 0xc3, 0x27, 0x3c, 0x96,
-    0x64, 0x24, 0x55, 0xc8, 0x36, 0x45, 0x68, 0x90, 0xea, 0x03, 0x0b, 0x46, 0xa7, 0x8d, 0xb4, 0x26, 0x91, 0x07, 0x4c,
-    0x80, 0x7b, 0x93, 0xa8, 0x10, 0xcb, 0x5e, 0x8d, 0x42, 0x86, 0x3e, 0x2a, 0x7c, 0x99, 0x79, 0x8e, 0xcb, 0x43, 0x28};
+    0x1b, 0x14, 0x0b, 0x00, 0xe4, 0x6f, 0xcd, 0xfc, 0x7b, 0x2e, 0x27, 0xd2, 0x21, 0x2b, 0x58, 0xea, 0x16, 0xf8, 0xa5,
+    0xb6, 0x47, 0x14, 0xb3, 0x4c, 0x56, 0xcc, 0x20, 0x5b, 0x1d, 0xfe, 0x7d, 0xfb, 0xb5, 0x7a, 0x12, 0x0a, 0xd6, 0x48,
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+    0xc4, 0x33, 0x89, 0x1a, 0x69, 0x68, 0x48, 0x57, 0xa7, 0x17, 0x0b, 0x4d, 0x91, 0xac, 0x30, 0x48, 0x21, 0x4d, 0x4c,
+    0x10, 0x57, 0x46, 0x14, 0x17, 0xd5, 0x21, 0x0e, 0xb4, 0x50, 0x87, 0xad, 0x62, 0xda, 0x11, 0x68, 0xc3, 0x20, 0x7f,
+    0x2d, 0xdc, 0x57, 0xeb, 0x2c, 0x36, 0xdb, 0xc4, 0x84, 0x0f, 0xac, 0xec, 0x08, 0x91, 0xa3, 0x92, 0x27, 0x45, 0xc4,
+    0x1e, 0xa4, 0x9e, 0x72, 0x3b, 0xc2, 0xe3, 0x20, 0x7d, 0xf8, 0x05, 0x09, 0xea, 0xe3, 0xa6, 0x3f, 0x11, 0x8b, 0x16,
+    0x11, 0x6b, 0x26, 0x91, 0x1a, 0x2c, 0x19, 0x24, 0xf7, 0x5d, 0x44, 0x82, 0x49, 0x44, 0x15, 0xce, 0x39, 0xdc, 0xcb,
+    0x8f, 0x5b, 0xe1, 0xe2, 0x42, 0x96, 0xa2, 0x10, 0x3c, 0x20, 0xa5, 0x65, 0x85, 0x49, 0x6a, 0x06, 0x08, 0xd1, 0xcb,
+    0x41, 0xb8, 0x49, 0x20, 0x73, 0x71, 0xfe, 0x55, 0x61, 0x45, 0xc6, 0x95, 0x72, 0xc8, 0xf0, 0xa5, 0xe9, 0xe6, 0x3a,
+    0xb9, 0xc3, 0x8a, 0x9f, 0xb5, 0xc1, 0xc9, 0x15, 0x56, 0x93, 0x38, 0x8a, 0x48, 0xf0, 0x4f, 0x38, 0x22, 0xe1, 0x8d,
+    0x55, 0xbb, 0x8c, 0xc3, 0xb0, 0x68, 0xcc, 0x7f, 0x6f, 0xf8, 0xc9, 0x9b, 0x38, 0x41, 0xf1, 0x94, 0x25, 0xf9, 0x6b,
+    0x56, 0xa2, 0xec, 0xa7, 0xbd, 0x2e, 0x69, 0x8e, 0xe2, 0xec, 0x36, 0x94, 0x24, 0x2c, 0x12, 0x1d, 0x4e, 0x76, 0x7e,
+    0x23, 0xcc, 0xf2, 0x6e, 0x35, 0x1a, 0x9c, 0xed, 0x6f, 0x15, 0x3f, 0xc9, 0x72, 0xdc, 0xfd, 0x13, 0x0f, 0x16, 0x8a,
+    0x23, 0x4f, 0xf9, 0x2e, 0x63, 0x44, 0x91, 0x77, 0xe0, 0xb3, 0xd1, 0x78, 0x74, 0xdb, 0x4a, 0x2c, 0xd8, 0xe8, 0xf9,
+    0x2c, 0x03, 0xbe, 0xae, 0xac, 0x4e, 0x42, 0x01, 0xc4, 0x4b, 0x40, 0xe7, 0x94, 0x34, 0x85, 0x2c, 0xfe, 0xf5, 0x74,
+    0x75, 0xd8, 0xdc, 0xec, 0x6a, 0x00, 0x3f, 0x3f, 0x81, 0x77, 0xa8, 0xcd, 0xde, 0x6d, 0x5a, 0x47, 0xa1, 0x99, 0x36,
+    0x87, 0xb6, 0x78, 0x35, 0x3c, 0x9a, 0x64, 0x15, 0x7c, 0x56, 0x76, 0x22, 0xce, 0x46, 0xe5, 0x17, 0x57, 0x05, 0xfc,
+    0x09, 0x69, 0xae, 0x39, 0xaa, 0xee, 0xc9, 0x4e, 0x7f, 0x99, 0x2a, 0x65, 0x82, 0x7e, 0xeb, 0x23, 0x4f, 0x42, 0xd5,
+    0xca, 0xcb, 0x42, 0x74, 0x2e, 0xd2, 0xa2, 0x62, 0x57, 0xd0, 0xa9, 0x7b, 0x4b, 0xac, 0x7b, 0x65, 0x13, 0x47, 0x0f,
+    0x2d, 0x3d, 0xf6, 0xbc, 0x78, 0x5c, 0xa3, 0xc9, 0x57, 0x4b, 0x10, 0x62, 0x68, 0x19, 0x7f, 0xfd, 0x1a, 0xcb, 0x51,
+    0x1e, 0x41, 0x39, 0x55, 0xf3, 0x97, 0x30, 0xca, 0x37, 0xb6, 0x42, 0x1d, 0x2d, 0x8c, 0xc6, 0x65, 0x8a, 0xd2, 0x89,
+    0x88, 0xa6, 0x28, 0xbd, 0x56, 0x7c, 0x2d, 0x5e, 0x0d, 0x2f, 0x9e, 0xc3, 0xa5, 0x80, 0xaf, 0xcc, 0x00, 0xde, 0xe6,
+    0x5a, 0x8b, 0xda, 0xff, 0x1f, 0x16, 0xc8, 0x83, 0x5e, 0xe5, 0xea, 0x25, 0x86, 0x70, 0x55, 0x25, 0x01, 0x14, 0x0c,
+    0x77, 0xd8, 0x31, 0x21, 0xcc, 0x79, 0x15, 0x3b, 0x32, 0x3a, 0xd3, 0xc5, 0x30, 0xaf, 0x03, 0xd8, 0x3e, 0x44, 0xb8,
+    0x63, 0xb5, 0x74, 0x4f, 0x41, 0x4b, 0xf0, 0x24, 0x74, 0xb2, 0x06, 0xb2, 0x7b, 0x06, 0x60, 0xdc, 0xc1, 0x3e, 0x0e,
+    0x6f, 0x1e, 0x3c, 0x42, 0xa0, 0xdb, 0x36, 0x43, 0x30, 0x71, 0xcc, 0xd6, 0x1a, 0xbd, 0x38, 0x61, 0x19, 0x3f, 0xf2,
+    0xdf, 0xf4, 0x53, 0x3d, 0xc1, 0x14, 0xbe, 0x50, 0x1c, 0x2c, 0xf3, 0xaa, 0x74, 0x36, 0xcb, 0xbd, 0x7a, 0x4b, 0xa3,
+    0x1c, 0x90, 0x40, 0x5b, 0x4a, 0x0f, 0x83, 0x6e, 0x9e, 0x96, 0x28, 0x3d, 0x77, 0x43, 0x05, 0x0e, 0x39, 0x26, 0x15,
+    0xb8, 0x6b, 0x4e, 0x3a, 0x62, 0xc2, 0xda, 0xde, 0x8e, 0x29, 0x29, 0x0b, 0x09, 0xa2, 0xb3, 0xa7, 0x1e, 0x9a, 0x0c,
+    0x8f, 0xa1, 0x46, 0x6f, 0x92, 0xf3, 0x9e, 0xb5, 0xc5, 0x7e, 0x0e, 0x8d, 0xeb, 0x55, 0x08, 0xfa, 0xc9, 0xd8, 0x4e,
+    0xe3, 0xd0, 0xca, 0x2a, 0x96, 0x11, 0x7e, 0xb1, 0xd4, 0x7f, 0x8f, 0x1d, 0xb3, 0xc3, 0xa0, 0x89, 0x6f, 0x93, 0x99,
+    0x55, 0x48, 0x97, 0x08, 0x79, 0x66, 0xe9, 0x4a, 0x6b, 0xa0, 0x29, 0xf2, 0x10, 0x1f, 0x22, 0xa2, 0x1b, 0x41, 0xdf,
+    0xa3, 0xde, 0x62, 0x60, 0x8e, 0xa1, 0x60, 0xc4, 0xd5, 0xce, 0x81, 0x47, 0x84, 0x3b, 0x66, 0x60, 0x74, 0xa7, 0x74,
+    0xcc, 0x48, 0xe0, 0xe1, 0xd5, 0x0c, 0x15, 0x98, 0x3d, 0xa7, 0x9c, 0xb2, 0xec, 0xba, 0x0f, 0x2c, 0x52, 0x14, 0x7b,
+    0xe2, 0x49, 0x6e, 0x0f, 0x8c, 0x00, 0xe0, 0x81, 0xf6, 0x57, 0xe4, 0x3f, 0xbf, 0x7c, 0xa9, 0x5e, 0xfe, 0x01, 0xc2,
+    0x64, 0xb0, 0x05, 0x60, 0x01, 0xaa, 0x78, 0x65, 0xb2, 0xeb, 0x56, 0x41, 0xf2, 0xbf, 0xa3, 0x45, 0x4e, 0x3c, 0x78,
+    0xe2, 0xa1, 0x0d, 0xa9, 0x2a, 0xc0, 0x8a, 0xc0, 0x6f, 0xe4, 0x66, 0xbe, 0x72, 0x35, 0x5e, 0xf7, 0x3b, 0x42, 0x53,
+    0xd4, 0xe6, 0x66, 0xb6, 0x78, 0xcd, 0xaa, 0x6f, 0xf4, 0x26, 0x80, 0x3a, 0x4e, 0x74, 0x80, 0x17, 0x88, 0x44, 0x23,
+    0xa6, 0x3a, 0x6f, 0x87, 0xb8, 0xd0, 0x4d, 0xd3, 0xfc, 0x7c, 0xd6, 0x38, 0x2a, 0x00, 0x28, 0x01, 0xa2, 0x40, 0x94,
+    0x6c, 0x1e, 0x8a, 0xed, 0xe3, 0x92, 0x9d, 0x90, 0xe3, 0x0d, 0x02, 0x4e, 0x15, 0x30, 0xed, 0x8f, 0x5b, 0x99, 0xaa,
+    0x7a, 0x4e, 0xb9, 0xec, 0x91, 0xe2, 0x9f, 0xd4, 0xca, 0x46, 0xaf, 0x87, 0x19, 0x4b, 0xad, 0xea, 0xe6, 0x6c, 0x8d,
+    0x53, 0x4b, 0x29, 0xee, 0x1e, 0x96, 0xd8, 0x94, 0x30, 0x3a, 0x9c, 0xb0, 0x4c, 0xdb, 0xe2, 0xa1, 0x7f, 0xc7, 0x11,
+    0xdd, 0xe3, 0x9d, 0x36, 0x44, 0xd3, 0x93, 0x14, 0x9c, 0x4c, 0x9d, 0xdd, 0x3a, 0x7c, 0x41, 0xb1, 0x8f, 0x14, 0xd9,
+    0x4e, 0x61, 0xd9, 0x3a, 0xe3, 0x0d, 0x76, 0xca, 0x6c, 0xac, 0x73, 0xaf, 0xad, 0x94, 0x87, 0x30, 0xf1, 0x30, 0x2f,
+    0x8b, 0xed, 0x4a, 0xed, 0xbc, 0xc2, 0xf2, 0x7c, 0x30, 0xa3, 0x0b, 0x28, 0x64, 0x3b, 0x8c, 0xd4, 0xc3, 0x42, 0xb9,
+    0xa3, 0x44, 0x51, 0x80, 0x07, 0x5a, 0x3d, 0x14, 0x33, 0x99, 0xbf, 0x2a, 0x6b, 0x2b, 0x19, 0x47, 0x72, 0x9e, 0xd4,
+    0xb4, 0x6d, 0x72, 0xdd, 0x8a, 0x4b, 0x33, 0x55, 0xbc, 0xb4, 0xcd, 0xc8, 0x2b, 0x17, 0x2f, 0x74, 0xeb, 0x22, 0x17,
+    0x94, 0x08, 0x27, 0x27, 0xc2, 0x5b, 0x17, 0xb4, 0xa9, 0x22, 0x16, 0x9d, 0xd4, 0xfc, 0xc7, 0x15, 0xa3, 0x9b, 0x86,
+    0x1f, 0xad, 0x45, 0xd3, 0x87, 0x94, 0x5b, 0x31, 0x36, 0xaa, 0xe4, 0x66, 0x8d, 0xcc, 0x31, 0x05, 0x5b, 0xc4, 0x40,
+    0xc0, 0xb8, 0xeb, 0x91, 0x18, 0x22, 0x8c, 0x31, 0x1e, 0xad, 0xd0, 0x3a, 0x98, 0x07, 0xb5, 0x6f, 0x11, 0xba, 0x11,
+    0xa6, 0x14, 0x35, 0x5a, 0xe7, 0x55, 0xdf, 0xb7, 0x4c, 0x03, 0x61, 0xa3, 0x74, 0x23, 0xdf, 0x55, 0x1f, 0x02, 0x51,
+    0x09, 0xb7, 0xba, 0xd5, 0x0c, 0x67, 0xab, 0x98, 0x70, 0x14, 0x64, 0x8d, 0xf4, 0x8b, 0x54, 0x44, 0x07, 0x6f, 0xe0,
+    0x69, 0x32, 0xca, 0x48, 0xe5, 0xd3, 0xa7, 0x17, 0x8f, 0x45, 0x84, 0x04, 0xb7, 0xd1, 0xbb, 0xe1, 0xf6, 0x01, 0x0a,
+    0xf6, 0xee, 0x2b, 0x32, 0xd2, 0xc5, 0xf8, 0xa6, 0xec, 0x0f, 0x1b, 0x09, 0x1d, 0xfc, 0xa2, 0xbf, 0x54, 0x5d, 0x2c,
+    0x62, 0xf4, 0x77, 0xde, 0xad, 0xa0, 0x50, 0x6a, 0xb4, 0xe3, 0x5f, 0xda, 0xff, 0x6b, 0xb1, 0x78, 0xf7, 0xf9, 0xc1,
+    0xa6, 0xa8, 0x93, 0xe8, 0xe4, 0x11, 0x56, 0xa0, 0x5b, 0x85, 0xa7, 0x92, 0x7a, 0x58, 0x45, 0x95, 0xa9, 0x63, 0x83,
+    0xb4, 0x1f, 0x18, 0x31, 0x7a, 0x6d, 0xa1, 0x8d, 0x8c, 0xdc, 0x91, 0x02, 0x3c, 0x9c, 0x92, 0x42, 0x8e, 0x03, 0x02,
+    0xc5, 0x0c, 0x43, 0x54, 0xf9, 0xb2, 0x85, 0x39, 0x2e, 0x77, 0xad, 0x00};
 
 // Backwards compatibility alias
 #define INDEX_GZ INDEX_BR

esphome/components/esp32/__init__.py

@@ -10,7 +10,6 @@ import subprocess
 from typing import Any
 
 from esphome import yaml_util
-from esphome.build_helpers.pch import PCH_PREFIX_HEADER, pch_enabled, pch_extra_scripts
 import esphome.codegen as cg
 from esphome.components.const import CONF_ENABLE_OTA_DOWNGRADE_PROTECTION
 from esphome.config_helpers import filter_source_files_from_defines
@@ -58,7 +57,6 @@ from esphome.coroutine import CoroPriority, coroutine_with_priority
 from esphome.espidf.component import generate_idf_components
 import esphome.final_validate as fv
 from esphome.helpers import copy_file_if_changed, rmtree, write_file_if_changed
-from esphome.platformio.toolchain import copy_pch_script
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
 from esphome.types import ConfigType
 from esphome.writer import clean_build, clean_cmake_cache
@@ -2435,11 +2433,6 @@ async def to_code(config):
 
         cg.add_platformio_option("lib_ldf_mode", "off")
         cg.add_platformio_option("lib_compat_mode", "strict")
-        # CI-speed only: this toolchain is being dropped, so the pch gets
-        # the same curated prefix as host with no further investment
-        cg.add_platformio_option("extra_scripts", pch_extra_scripts())
-        if pch_enabled():
-            cg.add_platformio_option("build_src_flags", f"-include {PCH_PREFIX_HEADER}")
         cg.add_platformio_option("platform", conf[CONF_PLATFORM_VERSION])
         cg.add_platformio_option("board", config[CONF_BOARD])
         cg.add_platformio_option("board_upload.flash_size", config[CONF_FLASH_SIZE])
@@ -3357,8 +3350,6 @@ def _write_idf_component_yml():
 def copy_files():
     _write_sdkconfig()
     _write_idf_component_yml()
-    if not CORE.using_toolchain_esp_idf:
-        copy_pch_script()
 
     if "partitions.csv" not in CORE.data[KEY_ESP32][KEY_EXTRA_BUILD_FILES]:
         flash_size = CORE.data[KEY_ESP32][KEY_FLASH_SIZE]

esphome/components/esp8266/__init__.py

@@ -3,10 +3,8 @@ from pathlib import Path
 import platform
 import re
 import subprocess
-import time
 from typing import Any
 
-from esphome.build_helpers.pch import pch_extra_scripts
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
@@ -16,7 +14,6 @@ from esphome.const import (
     CONF_FRAMEWORK,
     CONF_PLATFORM_VERSION,
     CONF_SOURCE,
-    CONF_TOOLCHAIN,
     CONF_VERSION,
     KEY_CORE,
     KEY_FRAMEWORK_VERSION,
@@ -24,7 +21,6 @@ from esphome.const import (
     KEY_TARGET_PLATFORM,
     PLATFORM_ESP8266,
     ThreadModel,
-    Toolchain,
 )
 from esphome.core import (
     CORE,
@@ -35,13 +31,12 @@ from esphome.core import (
 )
 from esphome.core.config import BOARD_MAX_LENGTH
 from esphome.helpers import IS_MACOS, copy_file_if_changed
-from esphome.platformio.toolchain import copy_ccache_script, copy_pch_script
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.storage_json import StorageJSON
 from esphome.types import ConfigType
 
-from .boards import BOARDS, ESP8266_BOARD_BUILD, ESP8266_LD_SCRIPTS, board_ld_script
+from .boards import BOARDS, ESP8266_LD_SCRIPTS, board_ld_script
 from .const import (
-    BUILD_FLASH_MODES,
     CONF_EARLY_PIN_INIT,
     CONF_ENABLE_SERIAL,
     CONF_ENABLE_SERIAL1,
@@ -51,7 +46,6 @@ from .const import (
     KEY_FLASH_SIZE,
     KEY_LDSCRIPT,
     KEY_PIN_INITIAL_STATES,
-    KEY_SCANF_FLOAT,
     KEY_SERIAL1_REQUIRED,
     KEY_SERIAL_REQUIRED,
     KEY_WAVEFORM_REQUIRED,
@@ -111,53 +105,6 @@ def set_core_data(config: ConfigType) -> ConfigType:
     return config
 
 
-_TOOLCHAINS = (Toolchain.PLATFORMIO, Toolchain.ARDUINO)
-_validate_toolchain = cv.toolchain_enum(_TOOLCHAINS)
-_resolve_toolchain = cv.resolve_toolchain("ESP8266", _TOOLCHAINS, Toolchain.PLATFORMIO)
-
-
-def _validate_native_toolchain(config: ConfigType) -> ConfigType:
-    """Constraints of the native (non-PlatformIO) Arduino toolchain."""
-    if not CORE.using_toolchain_arduino:
-        return config
-    from esphome.arduino8266.framework import MIN_FRAMEWORK_VERSION
-
-    conf = config[CONF_FRAMEWORK]
-    version = cv.Version.parse(conf[CONF_VERSION])
-    if version < MIN_FRAMEWORK_VERSION:
-        raise cv.Invalid(
-            "'toolchain: arduino' requires framework version "
-            f"{MIN_FRAMEWORK_VERSION} or newer"
-        )
-    # platform_version is a PlatformIO concept; drop it (as esp32's native
-    # toolchain does), warning when a custom pin is discarded. The floor
-    # above guarantees the schema-derived default is the ARDUINO_4 spec.
-    if (
-        conf.pop(CONF_PLATFORM_VERSION, _ARDUINO_4_PLATFORM_SPEC)
-        != _ARDUINO_4_PLATFORM_SPEC
-    ):
-        _LOGGER.warning(
-            "'platform_version' is ignored by 'toolchain: arduino'; the native "
-            "toolchain downloads the framework and compiler directly"
-        )
-    if conf[CONF_SOURCE] != _format_framework_arduino_version(version):
-        raise cv.Invalid(
-            "'toolchain: arduino' does not support a custom framework source; "
-            "use 'toolchain: platformio'"
-        )
-    # BOARDS is a subset of ESP8266_BOARD_BUILD today; the second clause is
-    # a drift guard for the independently regenerated tables
-    if (
-        config[CONF_BOARD] not in BOARDS
-        or config[CONF_BOARD] not in ESP8266_BOARD_BUILD
-    ):
-        raise cv.Invalid(
-            f"Board '{config[CONF_BOARD]}' is not supported by "
-            "'toolchain: arduino'; use 'toolchain: platformio'"
-        )
-    return config
-
-
 def get_download_types(storage_json: StorageJSON) -> list[dict[str, str]]:
     """Binary-download entries for a built ESP8266 firmware.
 
@@ -191,7 +138,7 @@ def _format_framework_arduino_version(ver: cv.Version) -> str:
     if ver <= cv.Version(2, 6, 2):
         return f"~2.{ver.major}{ver.minor:02d}{ver.patch:02d}.0"
     # Same encoding the native toolchain uses for its package download, so a
-    # custom-source check against this value cannot drift from what it fetches.
+    # version bump cannot drift between the two paths.
     from esphome.arduino8266.framework import framework_package_version
 
     try:
@@ -247,7 +194,7 @@ def _arduino_check_versions(value: ConfigType) -> ConfigType:
     platform_version = value.get(CONF_PLATFORM_VERSION)
     if platform_version is None:
         if version >= cv.Version(3, 1, 0):
-            platform_version = _ARDUINO_4_PLATFORM_SPEC
+            platform_version = _parse_platform_version(str(ARDUINO_4_PLATFORM_VERSION))
         elif version >= cv.Version(3, 0, 0):
             platform_version = _parse_platform_version(str(ARDUINO_3_PLATFORM_VERSION))
         elif version >= cv.Version(2, 5, 0):
@@ -274,10 +221,6 @@ def _parse_platform_version(value: Any) -> str:
         return value
 
 
-# The platform_version derived for every core >= 3.1.0 config
-_ARDUINO_4_PLATFORM_SPEC = _parse_platform_version(str(ARDUINO_4_PLATFORM_VERSION))
-
-
 ARDUINO_FRAMEWORK_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -294,6 +237,7 @@ ARDUINO_FRAMEWORK_SCHEMA = cv.All(
 )
 
 
+BUILD_FLASH_MODES = ["qio", "qout", "dio", "dout"]
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -310,30 +254,15 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_ENABLE_SERIAL1): cv.boolean,
             cv.Optional(CONF_ENABLE_FULL_PRINTF, default=False): cv.boolean,
             cv.Optional(CONF_ENABLE_SCANF_FLOAT): cv.boolean,
-            cv.Optional(
-                CONF_TOOLCHAIN, visibility=cv.Visibility.ADVANCED
-            ): _validate_toolchain,
         }
     ),
-    _resolve_toolchain,
-    _validate_native_toolchain,
+    # Until the native toolchain lands, PlatformIO is the only backend;
+    # reject a --toolchain this platform cannot serve yet.
+    cv.require_platformio_toolchain("ESP8266"),
     set_core_data,
 )
 
 
-def native_toolchain_module():
-    """The native build backend for the resolved toolchain, if any.
-
-    ``__main__`` dispatches from its own toolchain-keyed table; this helper
-    serves the component's internal callers.
-    """
-    if not CORE.using_toolchain_arduino:
-        return None
-    from esphome.arduino8266 import toolchain
-
-    return toolchain
-
-
 def check_rosetta() -> None:
     """Fail fast when the x86_64 ESP8266 toolchain cannot run on this Mac.
 
@@ -387,13 +316,12 @@ def _choose_ld_script(board: str, ver: cv.Version) -> str | None:
 
 @coroutine_with_priority(CoroPriority.PLATFORM)
 async def to_code(config: ConfigType) -> None:
-    use_platformio = CORE.using_toolchain_platformio
     cg.add(esp8266_ns.setup_preferences())
 
-    if use_platformio:
-        cg.add_platformio_option("lib_ldf_mode", "off")
-        cg.add_platformio_option("lib_compat_mode", "strict")
-        cg.add_platformio_option("board", config[CONF_BOARD])
+    cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
+
+    cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_build_flag("-DUSE_ESP8266")
     cg.set_cpp_standard("gnu++20")
     cg.add_define("ESPHOME_BOARD", config[CONF_BOARD])
@@ -409,33 +337,28 @@ async def to_code(config: ConfigType) -> None:
             "enabling scanf float support (~8KB flash)"
         )
 
-    # The native generator reads the same decision (KEY_SCANF_FLOAT)
-    CORE.data[KEY_ESP8266][KEY_SCANF_FLOAT] = bool(enable_scanf_float)
-    if use_platformio:
-        extra_scripts = [
-            "pre:ccache.py",
-            "pre:testing_mode.py",
-            "pre:exclude_updater.py",
-            "pre:exclude_waveform.py",
-            "pre:relocate_ratetable.py",
-        ]
-        if not enable_scanf_float:
-            extra_scripts.append("pre:remove_float_scanf.py")
-        extra_scripts.extend(pch_extra_scripts())
-        extra_scripts.append("post:post_build.py")
-        cg.add_platformio_option("extra_scripts", extra_scripts)
+    extra_scripts = [
+        "pre:ccache.py",
+        "pre:testing_mode.py",
+        "pre:exclude_updater.py",
+        "pre:exclude_waveform.py",
+        "pre:relocate_ratetable.py",
+    ]
+    if not enable_scanf_float:
+        extra_scripts.append("pre:remove_float_scanf.py")
+    extra_scripts.append("post:post_build.py")
+    cg.add_platformio_option("extra_scripts", extra_scripts)
 
     conf = config[CONF_FRAMEWORK]
+    cg.add_platformio_option("framework", "arduino")
     cg.add_build_flag("-DUSE_ARDUINO")
     cg.add_build_flag("-DUSE_ESP8266_FRAMEWORK_ARDUINO")
     cg.add_build_flag("-Wno-nonnull-compare")
-    if use_platformio:
-        cg.add_platformio_option("framework", "arduino")
-        cg.add_platformio_option("platform", conf[CONF_PLATFORM_VERSION])
-        cg.add_platformio_option(
-            "platform_packages",
-            [f"platformio/framework-arduinoespressif8266@{conf[CONF_SOURCE]}"],
-        )
+    cg.add_platformio_option("platform", conf[CONF_PLATFORM_VERSION])
+    cg.add_platformio_option(
+        "platform_packages",
+        [f"platformio/framework-arduinoespressif8266@{conf[CONF_SOURCE]}"],
+    )
 
     # Default for platformio is LWIP2_LOW_MEMORY with:
     #  - MSS=536
@@ -473,8 +396,7 @@ async def to_code(config: ConfigType) -> None:
     # Force-include inline std::__throw_* overrides so GCC dead-strips the unused
     # libstdc++ error message strings (e.g. "basic_string::_M_create") from DRAM.
     # See throw_stubs.h for details. Must be prepended before <string>, so this
-    # uses build_src_flags with -include. Unconditional: the native build
-    # generator reads the same option, keeping one source of truth.
+    # uses build_src_flags with -include.
     cg.add_platformio_option(
         "build_src_flags", "-include esphome/components/esp8266/throw_stubs.h"
     )
@@ -504,8 +426,6 @@ async def to_code(config: ConfigType) -> None:
     # implementation in the Arduino ESP8266 core.
     cg.add_build_flag("-Wl,--wrap=millis")
 
-    # Unconditional: the native build generator reads the same option,
-    # keeping one source of truth
     cg.add_platformio_option("board_build.flash_mode", config[CONF_BOARD_FLASH_MODE])
 
     ver: cv.Version = CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]
@@ -514,7 +434,7 @@ async def to_code(config: ConfigType) -> None:
         cg.RawExpression(f"VERSION_CODE({ver.major}, {ver.minor}, {ver.patch})"),
     )
 
-    if use_platformio and config[CONF_BOARD] in BOARDS:
+    if config[CONF_BOARD] in BOARDS:
         ld_script = _choose_ld_script(config[CONF_BOARD], ver)
 
         if ld_script is not None:
@@ -556,24 +476,8 @@ async def finalize_serial_config() -> None:
         cg.add_build_flag("-DNO_GLOBAL_SERIAL1")
 
 
-# Called by __main__.compile_program; returning False falls through to the
-# PlatformIO toolchain.
-def run_compile(args, config: ConfigType) -> bool:
-    # Positive check: the native backend only runs when explicitly resolved
-    toolchain = native_toolchain_module()
-    if toolchain is None:
-        return False
-    if toolchain.run_compile(config, CORE.verbose) != 0:
-        raise EsphomeError("ESP8266 native build failed")
-    return True
-
-
 # Called by writer.py
 def copy_files() -> None:
-    # Native builds skip the PlatformIO extra scripts; the build generator
-    # carries their logic
-    if CORE.using_toolchain_arduino:
-        return
     dir = Path(__file__).parent
     for script in (
         "post_build",
@@ -588,7 +492,6 @@ def copy_files() -> None:
             CORE.relative_build_path(f"{script}.py"),
         )
     copy_ccache_script()
-    copy_pch_script()
 
 
 # ESP logs stack trace decoder, based on https://github.com/me-no-dev/EspExceptionDecoder
@@ -631,75 +534,22 @@ ESP8266_EXCEPTION_CODES = {
 }
 
 
-_DECODE_WARNED_AT: dict[str, float] = {}
+def _decode_pc(config: ConfigType, addr: str) -> None:
+    from esphome.platformio import toolchain
 
-
-def _warn_decode_problem(key: str, message: str, *args) -> bool:
-    """Warn, deduplicated briefly so a burst of stack-dump addresses warns
-    once but a later dump warns again; returns whether it warned so the
-    caller can mark suppressed addresses individually."""
-    now = time.monotonic()
-    last = _DECODE_WARNED_AT.get(key)
-    if last is not None and now - last < 30:
-        return False
-    _DECODE_WARNED_AT[key] = now
-    _LOGGER.warning(message, *args)
-    return True
-
-
-def _decode_pc(config: ConfigType, addr: str, *, bulk: bool = False) -> None:
-    """Decode one crash address. ``bulk``: the caller is scanning every
-    8-hex stack word, most of which are not code addresses -- unmappable
-    ones log at debug so real frames are not buried."""
-    if (native_toolchain := native_toolchain_module()) is not None:
-        addr2line = native_toolchain.get_addr2line_path()
-        elf = native_toolchain.get_elf_path()
-        for path in (addr2line, elf):
-            if not path.is_file():
-                _warn_decode_problem(
-                    str(path), "Cannot decode crash addresses: %s missing", path
-                )
-                # The detailed warning names no address; mark named
-                # registers, but bulk stack words at debug (~150 per dump)
-                log = _LOGGER.debug if bulk else _LOGGER.warning
-                log("Not decoded %s (toolchain file missing)", addr)
-                return
-        addr2line, elf = str(addr2line), str(elf)
-    else:
-        from esphome.platformio import toolchain
-
-        idedata = toolchain.get_idedata(config)
-        if not idedata.addr2line_path or not idedata.firmware_elf_path:
-            _warn_decode_problem(
-                "no-addr2line",
-                "Cannot decode crash addresses: no addr2line or ELF in idedata",
-            )
-            log = _LOGGER.debug if bulk else _LOGGER.warning
-            log("Not decoded %s (no addr2line or ELF)", addr)
-            return
-        addr2line, elf = idedata.addr2line_path, idedata.firmware_elf_path
-    command = [addr2line, "-pfiaC", "-e", elf, addr]
+    idedata = toolchain.get_idedata(config)
+    if not idedata.addr2line_path or not idedata.firmware_elf_path:
+        _LOGGER.debug("decode_pc no addr2line")
+        return
+    command = [idedata.addr2line_path, "-pfiaC", "-e", idedata.firmware_elf_path, addr]
     try:
         translation = subprocess.check_output(command, close_fds=False).decode().strip()
-    except Exception as err:  # noqa: BLE001  # pylint: disable=broad-except
-        # Warn, not debug: a failing addr2line must be visible. The warning
-        # is rate-limited across a dump, so mark every undecoded address
-        # inline or the rest read as merely unmappable
-        if not _warn_decode_problem(
-            "addr2line-failed", "Could not decode crash address %s (%s)", addr, err
-        ):
-            # The detailed warning already named this address; mark only
-            # the rate-limited ones, and bulk stack words at debug
-            log = _LOGGER.debug if bulk else _LOGGER.warning
-            log("Not decoded %s (addr2line failed)", addr)
+    except Exception:  # noqa: BLE001  # pylint: disable=broad-except
         _LOGGER.debug("Caught exception for command %s", command, exc_info=1)
         return
 
     if "?? ??:0" in translation:
-        # A named register that fails to decode is confusing silence; a
-        # bulk stack word failing is the expected common case
-        log = _LOGGER.debug if bulk else _LOGGER.warning
-        log("Not decoded %s (address not in %s)", addr, elf)
+        # Nothing useful
         return
     translation = translation.replace(" at ??:?", "").replace(":?", "")
     _LOGGER.warning("Decoded %s", translation)
@@ -769,6 +619,6 @@ def process_stacktrace(config: ConfigType, line: str, backtrace_state: bool) ->
 
     if backtrace_state:
         for addr in re.finditer(STACKTRACE_ESP8266_BACKTRACE_PC_RE, line):
-            _decode_pc(config, addr.group(), bulk=True)
+            _decode_pc(config, addr.group())
 
     return backtrace_state

esphome/components/esp8266/const.py

@@ -16,6 +16,7 @@ KEY_WAVEFORM_REQUIRED = "waveform_required"
 KEY_SERIAL_REQUIRED = "serial_required"
 KEY_SERIAL1_REQUIRED = "serial1_required"
 # Set for the native (non-PlatformIO) toolchain's build generator
+KEY_FLASH_MODE = "flash_mode"
 KEY_SCANF_FLOAT = "scanf_float"
 # Per-board flash-layout override consumed by board_ld_script()
 KEY_LDSCRIPT = "ldscript"
@@ -72,6 +73,3 @@ def enable_serial1() -> None:
             enable_serial1()
     """
     CORE.data.setdefault(KEY_ESP8266, {})[KEY_SERIAL1_REQUIRED] = True
-
-
-BUILD_FLASH_MODES = ("qio", "qout", "dio", "dout")

esphome/components/host/__init__.py

@@ -1,4 +1,3 @@
-from esphome.build_helpers.pch import PCH_PREFIX_HEADER, pch_enabled, pch_extra_scripts
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
@@ -11,7 +10,7 @@ from esphome.const import (
     ThreadModel,
 )
 from esphome.core import CORE
-from esphome.platformio.toolchain import copy_ccache_script, copy_pch_script
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.types import ConfigType
 
 from .const import KEY_HOST
@@ -56,18 +55,9 @@ async def to_code(config: ConfigType) -> None:
     cg.add_platformio_option("platform", "platformio/native")
     cg.add_platformio_option("lib_ldf_mode", "off")
     cg.add_platformio_option("lib_compat_mode", "strict")
-    cg.add_platformio_option("extra_scripts", ["pre:ccache.py", *pch_extra_scripts()])
-    if pch_enabled():
-        # Curated prefix for the pch (the script folds it plus defines.h):
-        # host has no framework force-includes, and the per-TU cost is the
-        # STL closure behind the core headers. Measured -43% compile CPU.
-        # Gated so ESPHOME_PCH_ENABLE=0 restores the strict view. When the
-        # .gch fails to build or load, the force-include stays and every TU
-        # parses the closure as text: correct, but slower than no pch.
-        cg.add_platformio_option("build_src_flags", f"-include {PCH_PREFIX_HEADER}")
+    cg.add_platformio_option("extra_scripts", ["pre:ccache.py"])
 
 
 # Called by writer.py
 def copy_files() -> None:
     copy_ccache_script()
-    copy_pch_script()

esphome/components/libretiny/__init__.py

@@ -2,7 +2,6 @@ import json
 import logging
 from pathlib import Path
 
-from esphome.build_helpers.pch import pch_extra_scripts
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
@@ -27,7 +26,7 @@ from esphome.const import (
 from esphome.core import CORE
 from esphome.core.config import BOARD_MAX_LENGTH
 from esphome.helpers import copy_file_if_changed
-from esphome.platformio.toolchain import copy_ccache_script, copy_pch_script
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.storage_json import StorageJSON
 
 from . import gpio  # noqa: F401
@@ -514,7 +513,7 @@ async def component_to_code(config):
         # it for project source files only. GCC uses the last -O flag.
         build_src_flags += " -Os"
     cg.add_platformio_option("build_src_flags", build_src_flags)
-    cg.add_platformio_option("extra_scripts", ["pre:ccache.py", *pch_extra_scripts()])
+    cg.add_platformio_option("extra_scripts", ["pre:ccache.py"])
     # IRAM_ATTR is a no-op on BK72xx (SDK masks FIQ+IRQ around flash ops).
     # On other families, patch_linker.py routes .sram.text into the right
     # RAM-executable output section and prints a post-link placement summary.
@@ -620,4 +619,3 @@ def copy_files() -> None:
         CORE.relative_build_path("patch_linker.py"),
     )
     copy_ccache_script()
-    copy_pch_script()

esphome/components/nrf52/__init__.py

@@ -1,24 +1,13 @@
 from __future__ import annotations
 
 import asyncio
-from functools import partial
 import logging
 from pathlib import Path
 import re
 import shutil
-import stat
 import subprocess
 
 from esphome import pins
-from esphome.build_helpers import pch
-from esphome.build_helpers.pch import (
-    PCH_DEFAULT_HEADERS,
-    PCH_HEADER_NAME,
-    mark_pch_emitted,
-    pch_cmake_consumer,
-    pch_enabled,
-    pch_header_text,
-)
 import esphome.codegen as cg
 from esphome.components.zephyr import (
     add_extra_script,
@@ -816,9 +805,6 @@ def _generate_cmake_lists() -> bool:
             ")",
         ]
 
-    if consumer := pch_cmake_consumer("app", "${APP_SOURCES}"):
-        lines += consumer.splitlines()
-
     if link_flags:
         lines += [
             "",
@@ -833,66 +819,6 @@ def _generate_cmake_lists() -> bool:
     )
 
 
-def _app_build_dir(build_dir: Path) -> Path:
-    """The CMake binary dir of the app image: sysbuild nests it in a
-    domain dir named after the app source dir. Probed on disk (the
-    non-sysbuild zephyr/ output dir has no CMakeCache.txt) so it stays
-    truthful mid-build, unlike an SDK-version check."""
-    sysbuild_app = build_dir / "zephyr"
-    try:
-        cache = (sysbuild_app / "CMakeCache.txt").stat()
-    except (FileNotFoundError, NotADirectoryError):
-        return build_dir
-    # Other stat errors propagate; is_file() would silently mislocate the pch
-    return sysbuild_app if stat.S_ISREG(cache.st_mode) else build_dir
-
-
-def _prepare_pch(app_dir: Path) -> None:
-    """Build the .gch between the cmake and compile phases of west."""
-    if not pch_enabled():
-        pch.discard_pch(app_dir)
-        pch.pch_disabled_degraded()
-        return
-    # First, so OBJECT_DEPENDS is satisfied even when the pch degrades
-    app_dir.mkdir(parents=True, exist_ok=True)
-    write_file_if_changed(
-        app_dir / PCH_HEADER_NAME, pch_header_text(PCH_DEFAULT_HEADERS)
-    )
-    # New layout first (Zephyr >= 3.4 nests under zephyr/); fixed candidates
-    # keep the .sum identity deterministic and skip walking generated/
-    generated = app_dir / "zephyr" / "include" / "generated"
-    autoconf = None
-    for candidate in (generated / "zephyr" / "autoconf.h", generated / "autoconf.h"):
-        if candidate.exists():
-            autoconf = candidate
-            break
-    if autoconf is None:
-        # Fail closed: autoconf.h is the .sum's Kconfig identity
-        _LOGGER.warning("No autoconf.h found; compiling without the pch")
-        pch.discard_pch(app_dir)
-        pch.pch_degraded("autoconf.h missing")
-        return
-    try:
-        autoconf_text = autoconf.read_text(encoding="utf-8")
-    except OSError as err:
-        _LOGGER.warning(
-            "Could not read %s; compiling without the pch: %s", autoconf, err
-        )
-        pch.discard_pch(app_dir)
-        pch.pch_degraded(f"autoconf unreadable: {err}")
-        return
-    pch.prepare_pch(
-        app_dir,
-        PCH_DEFAULT_HEADERS,
-        (
-            str(CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]),
-            zephyr_data()[KEY_BOARD],
-            autoconf_text,
-            *get_project_compile_flags(),
-        ),
-    )
-
-
 def _copy_if_exists(src: Path, dst: Path) -> None:
     if src.is_file():
         shutil.copy2(src, dst)
@@ -945,58 +871,6 @@ def run_compile(args, config: ConfigType) -> bool:
         str(source_dir),
     ]
 
-    if pch_enabled():
-        # Consumers carry the -include; gate the ccache relaxation on it
-        # (Zephyr auto-enables ccache as the compiler launcher when found)
-        mark_pch_emitted()
-        env.update(pch.ccache_pch_env())
-
-        # Configure first so the .gch compiles from settled compile DB
-        # flags. Only when the app DB is missing: input changes wipe the
-        # build dir, so an existing DB is settled and --cmake-only would
-        # reconfigure for nothing.
-        prepare = True
-        app_dir = _app_build_dir(build_dir)
-        if not (app_dir / "compile_commands.json").is_file():
-            if not run_command_ok(
-                west_cmd + ["--cmake-only", "--", "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"],
-                env=env,
-                stream_output=True,
-                cwd=str(paths["framework_path"]),
-            ):
-                raise EsphomeError("nRF52 native build configure failed")
-            # The configure phase creates the sysbuild domain dir: re-resolve
-            app_dir = _app_build_dir(build_dir)
-            # kernel.h needs the build-time syscall headers; under sysbuild
-            # the target exists only in the app domain's ninja
-            if not run_command_ok(
-                [
-                    "cmake",
-                    "--build",
-                    str(app_dir),
-                    "--target",
-                    "zephyr_generated_headers",
-                ],
-                env=env,
-                stream_output=True,
-                cwd=str(paths["framework_path"]),
-            ):
-                # A pch-only prerequisite: degrade, let the real build report.
-                # Also skip the .gch compile: it would fail on the missing
-                # headers and latch .gch.failed until an identity change
-                _LOGGER.warning(
-                    "Zephyr header generation failed; compiling without the pch"
-                )
-                pch.discard_pch(app_dir)
-                pch.pch_degraded("zephyr_generated_headers failed")
-                prepare = False
-    else:
-        prepare = True
-        app_dir = _app_build_dir(build_dir)
-
-    if prepare:
-        pch.guarded_prepare(app_dir, partial(_prepare_pch, app_dir))
-
     if not run_command_ok(
         west_cmd,
         env=env,

esphome/components/rp2/__init__.py

@@ -6,7 +6,6 @@ from string import ascii_letters, digits
 import subprocess
 from typing import Any
 
-from esphome.build_helpers.pch import pch_extra_scripts
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
@@ -34,7 +33,7 @@ from esphome.core import (
 )
 from esphome.core.config import BOARD_MAX_LENGTH
 from esphome.helpers import copy_file_if_changed, read_file, write_file_if_changed
-from esphome.platformio.toolchain import copy_ccache_script, copy_pch_script
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.storage_json import StorageJSON
 from esphome.types import ConfigType
 
@@ -341,10 +340,7 @@ async def to_code(config: ConfigType) -> None:
     cg.add_define("ESPHOME_VARIANT", VARIANT_FRIENDLY[variant])
     cg.add_define(ThreadModel.SINGLE)
 
-    cg.add_platformio_option(
-        "extra_scripts",
-        ["pre:ccache.py", *pch_extra_scripts(), "post:post_build.py"],
-    )
+    cg.add_platformio_option("extra_scripts", ["pre:ccache.py", "post:post_build.py"])
 
     conf = config[CONF_FRAMEWORK]
     cg.add_platformio_option("framework", "arduino")
@@ -648,7 +644,6 @@ def copy_files() -> None:
         CORE.relative_build_path("inject_lwip_include.py"),
     )
     copy_ccache_script()
-    copy_pch_script()
     _generate_lwipopts_h()
     if generate_pio_files():
         path = CORE.relative_src_path("esphome.h")

esphome/components/socket/__init__.py

@@ -187,7 +187,9 @@ async def to_code(config: ConfigType) -> None:
 # for the selected implementation.
 FILTER_SOURCE_FILES = filter_source_files_from_defines(
     {
+        "lwip_raw_common_impl.cpp": "USE_SOCKET_IMPL_LWIP_TCP",
         "lwip_raw_tcp_impl.cpp": "USE_SOCKET_IMPL_LWIP_TCP",
+        "lwip_raw_udp_impl.cpp": "USE_SOCKET_IMPL_LWIP_TCP",
         "bsd_sockets_impl.cpp": "USE_SOCKET_IMPL_BSD_SOCKETS",
         "lwip_sockets_impl.cpp": "USE_SOCKET_IMPL_LWIP_SOCKETS",
     }

esphome/components/socket/bsd_sockets_impl.h

@@ -144,6 +144,9 @@ class BSDSocketImpl {
 
   int get_fd() const { return this->fd_; }
 
+  /// UDP rx drop counter parity with LWIPRawUDPImpl; drops are not counted here.
+  uint16_t get_rx_dropped() const { return 0; }
+
  protected:
   // fd_ < 0 means "not open" — used both pre-open (initial state) and post-close. This
   // replaces a separate closed_ flag: close() sets fd_ = -1 after ::close(), and the

esphome/components/socket/headers.h

@@ -20,6 +20,16 @@
 
 #define IPPROTO_IP 0
 #define IPPROTO_TCP 6
+#define IPPROTO_UDP 17
+
+#define IP_ADD_MEMBERSHIP 3
+#define IP_DROP_MEMBERSHIP 4
+
+// NOLINTNEXTLINE(readability-identifier-naming)
+struct ip_mreq {
+  struct in_addr imr_multiaddr;
+  struct in_addr imr_interface;
+};
 
 #if LWIP_IPV6
 #define AF_INET6 10

esphome/components/socket/lwip_raw_common_impl.cpp

@@ -0,0 +1,109 @@
+#include "lwip_raw_common_impl.h"
+#include "esphome/core/defines.h"
+
+#ifdef USE_SOCKET_IMPL_LWIP_TCP
+
+#include <cerrno>
+#include <cstring>
+
+namespace esphome::socket {
+
+int lwip_ip_to_sockaddr(sa_family_t family, const ip_addr_t *ip, uint16_t port_host, struct sockaddr *name,
+                        socklen_t *addrlen) {
+  if (family == AF_INET) {
+    if (*addrlen < sizeof(struct sockaddr_in)) {
+      errno = EINVAL;
+      return -1;
+    }
+    auto *addr = reinterpret_cast<struct sockaddr_in *>(name);
+    addr->sin_family = AF_INET;
+    *addrlen = addr->sin_len = sizeof(struct sockaddr_in);
+    addr->sin_port = htons(port_host);
+    inet_addr_from_ip4addr(&addr->sin_addr, ip_2_ip4(ip));
+    return 0;
+  }
+#if LWIP_IPV6
+  if (family == AF_INET6) {
+    if (*addrlen < sizeof(struct sockaddr_in6)) {
+      errno = EINVAL;
+      return -1;
+    }
+    auto *addr = reinterpret_cast<struct sockaddr_in6 *>(name);
+    addr->sin6_family = AF_INET6;
+    *addrlen = addr->sin6_len = sizeof(struct sockaddr_in6);
+    addr->sin6_port = htons(port_host);
+    // AF_INET6 sockets may receive IPv4 packets; convert to IPv4-mapped IPv6.
+    if (IP_IS_V4(ip)) {
+      ip_addr_t mapped;
+      ip4_2_ipv4_mapped_ipv6(ip_2_ip6(&mapped), ip_2_ip4(ip));
+      inet6_addr_from_ip6addr(&addr->sin6_addr, ip_2_ip6(&mapped));
+    } else {
+      inet6_addr_from_ip6addr(&addr->sin6_addr, ip_2_ip6(ip));
+    }
+    return 0;
+  }
+#endif
+  errno = EAFNOSUPPORT;
+  return -1;
+}
+
+bool sockaddr_to_lwip(const struct sockaddr *addr, socklen_t addrlen, ip_addr_t *ip, uint16_t *port) {
+  // headers.h defines sockaddr and sockaddr_in with the same size, so this covers AF_INET
+  if (addrlen < sizeof(struct sockaddr))
+    return false;
+  // Zero the whole struct — the IPv6 zone byte would otherwise be stack garbage
+  memset(ip, 0, sizeof(*ip));
+  if (addr->sa_family == AF_INET) {
+    auto *addr4 = reinterpret_cast<const sockaddr_in *>(addr);
+    *port = ntohs(addr4->sin_port);
+    IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_V4);
+    ip_2_ip4(ip)->addr = addr4->sin_addr.s_addr;
+    return true;
+  }
+#if LWIP_IPV6
+  if (addr->sa_family == AF_INET6) {
+    if (addrlen < sizeof(sockaddr_in6))
+      return false;
+    auto *addr6 = reinterpret_cast<const sockaddr_in6 *>(addr);
+    *port = ntohs(addr6->sin6_port);
+    IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_V6);
+    memcpy(&ip_2_ip6(ip)->addr, &addr6->sin6_addr.un.u8_addr, 16);
+    // Unmap ::ffff:a.b.c.d so replies to recvfrom addresses route as IPv4
+    if (ip6_addr_isipv4mappedipv6(ip_2_ip6(ip))) {
+      unmap_ipv4_mapped_ipv6(ip_2_ip4(ip), ip_2_ip6(ip));
+      IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_V4);
+    }
+    return true;
+  }
+#endif
+  return false;
+}
+
+bool sockaddr_to_lwip_bind(sa_family_t family, const struct sockaddr *addr, socklen_t addrlen, ip_addr_t *ip,
+                           uint16_t *port) {
+  if (!sockaddr_to_lwip(addr, addrlen, ip, port))
+    return false;
+#if LWIP_IPV6
+  // Only promote wildcard binds — a specific address must keep filtering
+  if (family == AF_INET6 && ip_addr_isany_val(*ip))
+    IP_SET_TYPE_VAL(*ip, IPADDR_TYPE_ANY);
+#endif
+  return true;
+}
+
+int lwip_bind_err(err_t err) {
+  if (err == ERR_OK)
+    return 0;
+  if (err == ERR_USE) {
+    errno = EADDRINUSE;
+  } else if (err == ERR_VAL) {
+    errno = EINVAL;
+  } else {
+    errno = EIO;
+  }
+  return -1;
+}
+
+}  // namespace esphome::socket
+
+#endif  // USE_SOCKET_IMPL_LWIP_TCP

esphome/components/socket/lwip_raw_common_impl.h

@@ -0,0 +1,53 @@
+#pragma once
+#include "esphome/core/defines.h"
+
+#ifdef USE_SOCKET_IMPL_LWIP_TCP
+
+#include "headers.h"
+#include "lwip/ip.h"
+
+namespace esphome::socket {
+
+// ---- LWIP thread safety ----
+//
+// On RP2040 (Pico W), arduino-pico sets PICO_CYW43_ARCH_THREADSAFE_BACKGROUND=1.
+// This means lwip callbacks (recv_fn, accept_fn, err_fn) run from a low-priority
+// user IRQ context, not the main loop (see low_priority_irq_handler() in pico-sdk
+// async_context_threadsafe_background.c). They can preempt main-loop code at any point.
+//
+// Without locking, this causes race conditions between recv_fn and read() on the
+// shared rx_buf_ pbuf chain — recv_fn calls pbuf_cat() while read() is freeing
+// nodes, leading to use-after-free and infinite-loop crashes. See esphome#10681.
+//
+// On ESP8266, lwip callbacks run from the SYS context which cooperates with user
+// code (CONT context) — they never preempt each other, so no locking is needed.
+//
+// esphome::LwIPLock is the platform-provided RAII guard (see helpers.h/helpers.cpp).
+// On RP2040, it acquires cyw43_arch_lwip_begin/end (WiFi) or ethernet_arch_lwip_begin/end
+// (Ethernet). On ESP8266, it's a no-op.
+//
+// Each .cpp file that needs locking defines its own LWIP_LOCK() macro:
+//   #define LWIP_LOCK() esphome::LwIPLock lwip_lock_guard
+// This is a per-TU convenience macro, not defined here to avoid macro leaking.
+
+/// Convert lwip ip_addr_t + host-order port to sockaddr, based on the socket's address family.
+/// TCP callers pass ntohs(pcb port) to preserve historical getpeername/getsockname output.
+int lwip_ip_to_sockaddr(sa_family_t family, const ip_addr_t *ip, uint16_t port_host, struct sockaddr *name,
+                        socklen_t *addrlen);
+
+/// Convert sockaddr to lwip ip_addr_t and host-order port.
+/// For IPv6, sets type to IPADDR_TYPE_V6 — correct for sendto destinations.
+/// Bind paths must use sockaddr_to_lwip_bind() instead.
+bool sockaddr_to_lwip(const struct sockaddr *addr, socklen_t addrlen, ip_addr_t *ip, uint16_t *port);
+
+/// sockaddr_to_lwip variant for bind: promotes AF_INET6 sockets to
+/// IPADDR_TYPE_ANY so they accept both IPv4 and IPv6 (dual-stack).
+bool sockaddr_to_lwip_bind(sa_family_t family, const struct sockaddr *addr, socklen_t addrlen, ip_addr_t *ip,
+                           uint16_t *port);
+
+/// Map lwip bind error to errno. Returns 0 on success, -1 on error with errno set.
+int lwip_bind_err(err_t err);
+
+}  // namespace esphome::socket
+
+#endif  // USE_SOCKET_IMPL_LWIP_TCP

esphome/components/socket/lwip_raw_tcp_impl.cpp

@@ -10,6 +10,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/wake.h"
 #include "esphome/core/log.h"
+#include "lwip_raw_common_impl.h"
 
 #ifdef USE_OTA_PLATFORM_ESPHOME
 extern "C" void esphome_wake_ota_component_any_context();
@@ -24,23 +25,9 @@ extern "C" void esphome_wake_ota_component_any_context();
 
 namespace esphome::socket {
 
-// ---- LWIP thread safety ----
-//
-// On RP2040 (Pico W), arduino-pico sets PICO_CYW43_ARCH_THREADSAFE_BACKGROUND=1.
-// This means lwip callbacks (recv_fn, accept_fn, err_fn) run from a low-priority
-// user IRQ context, not the main loop (see low_priority_irq_handler() in pico-sdk
-// async_context_threadsafe_background.c). They can preempt main-loop code at any point.
-//
-// Without locking, this causes race conditions between recv_fn and read() on the
-// shared rx_buf_ pbuf chain — recv_fn calls pbuf_cat() while read() is freeing
-// nodes, leading to use-after-free and infinite-loop crashes. See esphome#10681.
-//
-// On ESP8266, lwip callbacks run from the SYS context which cooperates with user
-// code (CONT context) — they never preempt each other, so no locking is needed.
-//
-// esphome::LwIPLock is the platform-provided RAII guard (see helpers.h/helpers.cpp).
-// On RP2040, it acquires cyw43_arch_lwip_begin/end (WiFi) or ethernet_arch_lwip_begin/end
-// (Ethernet). On ESP8266, it's a no-op.
+// LWIP thread safety — see lwip_raw_common_impl.h for full explanation.
+// esphome::LwIPLock is the platform-provided RAII guard.
+// On RP2040, it acquires cyw43_arch_lwip_begin/end. On ESP8266, it's a no-op.
 #define LWIP_LOCK() esphome::LwIPLock lwip_lock_guard  // NOLINT
 
 static const char *const TAG = "socket";
@@ -112,59 +99,14 @@ int LWIPRawCommon::bind(const struct sockaddr *name, socklen_t addrlen) {
     return -1;
   }
   ip_addr_t ip;
-  in_port_t port;
-#if LWIP_IPV6
-  if (this->family_ == AF_INET) {
-    if (addrlen < sizeof(sockaddr_in)) {
-      errno = EINVAL;
-      return -1;
-    }
-    auto *addr4 = reinterpret_cast<const sockaddr_in *>(name);
-    port = ntohs(addr4->sin_port);
-    ip.type = IPADDR_TYPE_V4;
-    ip.u_addr.ip4.addr = addr4->sin_addr.s_addr;
-    LWIP_LOG("tcp_bind(%p ip=%s port=%u)", this->pcb_, ip4addr_ntoa(&ip.u_addr.ip4), port);
-  } else if (this->family_ == AF_INET6) {
-    if (addrlen < sizeof(sockaddr_in6)) {
-      errno = EINVAL;
-      return -1;
-    }
-    auto *addr6 = reinterpret_cast<const sockaddr_in6 *>(name);
-    port = ntohs(addr6->sin6_port);
-    ip.type = IPADDR_TYPE_ANY;
-    memcpy(&ip.u_addr.ip6.addr, &addr6->sin6_addr.un.u8_addr, 16);
-    LWIP_LOG("tcp_bind(%p ip=%s port=%u)", this->pcb_, ip6addr_ntoa(&ip.u_addr.ip6), port);
-  } else {
+  uint16_t port;
+  if (!sockaddr_to_lwip_bind(this->family_, name, addrlen, &ip, &port)) {
     errno = EINVAL;
     return -1;
   }
-#else
-  if (this->family_ != AF_INET) {
-    errno = EINVAL;
-    return -1;
-  }
-  auto *addr4 = reinterpret_cast<const sockaddr_in *>(name);
-  port = ntohs(addr4->sin_port);
-  ip.addr = addr4->sin_addr.s_addr;
-  LWIP_LOG("tcp_bind(%p ip=%u port=%u)", this->pcb_, ip.addr, port);
-#endif
   err_t err = tcp_bind(this->pcb_, &ip, port);
-  if (err == ERR_USE) {
-    LWIP_LOG("  -> err ERR_USE");
-    errno = EADDRINUSE;
-    return -1;
-  }
-  if (err == ERR_VAL) {
-    LWIP_LOG("  -> err ERR_VAL");
-    errno = EINVAL;
-    return -1;
-  }
-  if (err != ERR_OK) {
-    LWIP_LOG("  -> err %d", err);
-    errno = EIO;
-    return -1;
-  }
-  return 0;
+  LWIP_LOG("  -> err %d", err);
+  return lwip_bind_err(err);
 }
 
 int LWIPRawCommon::close() {
@@ -349,43 +291,8 @@ int LWIPRawCommon::setsockopt(int level, int optname, const void *optval, sockle
 }
 
 int LWIPRawCommon::ip2sockaddr_(ip_addr_t *ip, uint16_t port, struct sockaddr *name, socklen_t *addrlen) {
-  if (this->family_ == AF_INET) {
-    if (*addrlen < sizeof(struct sockaddr_in)) {
-      errno = EINVAL;
-      return -1;
-    }
-
-    struct sockaddr_in *addr = reinterpret_cast<struct sockaddr_in *>(name);
-    addr->sin_family = AF_INET;
-    *addrlen = addr->sin_len = sizeof(struct sockaddr_in);
-    addr->sin_port = port;
-    inet_addr_from_ip4addr(&addr->sin_addr, ip_2_ip4(ip));
-    return 0;
-  }
-#if LWIP_IPV6
-  else if (this->family_ == AF_INET6) {
-    if (*addrlen < sizeof(struct sockaddr_in6)) {
-      errno = EINVAL;
-      return -1;
-    }
-
-    struct sockaddr_in6 *addr = reinterpret_cast<struct sockaddr_in6 *>(name);
-    addr->sin6_family = AF_INET6;
-    *addrlen = addr->sin6_len = sizeof(struct sockaddr_in6);
-    addr->sin6_port = port;
-
-    // AF_INET6 sockets are bound to IPv4 as well, so we may encounter IPv4 addresses that must be converted to IPv6.
-    if (IP_IS_V4(ip)) {
-      ip_addr_t mapped;
-      ip4_2_ipv4_mapped_ipv6(ip_2_ip6(&mapped), ip_2_ip4(ip));
-      inet6_addr_from_ip6addr(&addr->sin6_addr, ip_2_ip6(&mapped));
-    } else {
-      inet6_addr_from_ip6addr(&addr->sin6_addr, ip_2_ip6(ip));
-    }
-    return 0;
-  }
-#endif
-  return -1;
+  // lwip pcb ports are host order; ntohs preserves historical byte-swapped sin_port output
+  return lwip_ip_to_sockaddr(this->family_, ip, ntohs(port), name, addrlen);
 }
 
 // ---- LWIPRawImpl methods ----
@@ -887,11 +794,11 @@ err_t LWIPRawListenImpl::accept_fn_(struct tcp_pcb *newpcb, err_t err) {
   return ERR_OK;
 }
 
-// ---- Factory functions ----
+// ---- TCP Factory functions ----
 
 std::unique_ptr<Socket> socket(int domain, int type, int protocol) {
   if (type != SOCK_STREAM) {
-    ESP_LOGE(TAG, "UDP sockets not supported on this platform, use WiFiUDP");
+    ESP_LOGE(TAG, "Use socket_udp() for UDP sockets on this platform");
     errno = EPROTOTYPE;
     return nullptr;
   }
@@ -911,7 +818,7 @@ std::unique_ptr<Socket> socket_loop_monitored(int domain, int type, int protocol
 
 std::unique_ptr<ListenSocket> socket_listen(int domain, int type, int protocol) {
   if (type != SOCK_STREAM) {
-    ESP_LOGE(TAG, "UDP sockets not supported on this platform, use WiFiUDP");
+    ESP_LOGE(TAG, "Use socket_udp() for UDP sockets on this platform");
     errno = EPROTOTYPE;
     return nullptr;
   }

esphome/components/socket/lwip_raw_udp_impl.cpp

@@ -0,0 +1,328 @@
+#include "socket.h"
+#include "esphome/core/defines.h"
+
+#ifdef USE_SOCKET_IMPL_LWIP_TCP
+
+#include <cerrno>
+#include <cstring>
+
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
+#include "esphome/core/wake.h"
+#include "lwip_raw_common_impl.h"
+
+#include "lwip/igmp.h"
+#include "lwip/pbuf.h"
+#include "lwip/udp.h"
+
+namespace esphome::socket {
+
+// LWIP thread safety — see lwip_raw_common_impl.h for full explanation.
+// esphome::LwIPLock is the platform-provided RAII guard.
+// On RP2040, it acquires cyw43_arch_lwip_begin/end. On ESP8266, it's a no-op.
+#define LWIP_LOCK() esphome::LwIPLock lwip_lock_guard  // NOLINT
+
+// ---- LWIPRawUDPSendImpl (send-only) methods ----
+
+LWIPRawUDPSendImpl::~LWIPRawUDPSendImpl() {
+  // Guard avoids acquiring the lwip lock when already closed
+  if (this->pcb_ != nullptr)
+    this->close();
+}
+
+int LWIPRawUDPSendImpl::bind(const struct sockaddr *name, socklen_t addrlen) {
+  LWIP_LOCK();
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+  if (name == nullptr) {
+    errno = EINVAL;
+    return -1;
+  }
+  ip_addr_t ip;
+  uint16_t port;
+  if (!sockaddr_to_lwip_bind(this->family_, name, addrlen, &ip, &port)) {
+    errno = EINVAL;
+    return -1;
+  }
+  return lwip_bind_err(udp_bind(this->pcb_, &ip, port));
+}
+
+int LWIPRawUDPSendImpl::close() {
+  LWIP_LOCK();
+  return this->close_internal_locked_();
+}
+
+int LWIPRawUDPSendImpl::close_internal_locked_() {
+  // Caller must hold LWIP_LOCK
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+  udp_remove(this->pcb_);
+  this->pcb_ = nullptr;
+  return 0;
+}
+
+int LWIPRawUDPSendImpl::ip2sockaddr_(const ip_addr_t *ip, uint16_t port, struct sockaddr *name, socklen_t *addrlen) {
+  // UDP recv callback provides port in host byte order
+  return lwip_ip_to_sockaddr(this->family_, ip, port, name, addrlen);
+}
+
+ssize_t LWIPRawUDPSendImpl::sendto(const void *buf, size_t len, int flags, const struct sockaddr *dest_addr,
+                                   socklen_t addrlen) {
+  (void) flags;  // Flags (MSG_DONTWAIT, etc.) are ignored; raw lwip is always non-blocking
+  if (buf == nullptr || dest_addr == nullptr) {
+    errno = EINVAL;
+    return -1;
+  }
+
+  // pbuf_alloc takes u16_t length; reject oversized packets
+  if (len > UINT16_MAX) {
+    errno = EMSGSIZE;
+    return -1;
+  }
+
+  ip_addr_t dst_ip;
+  uint16_t dst_port;
+  if (!sockaddr_to_lwip(dest_addr, addrlen, &dst_ip, &dst_port)) {
+    errno = EINVAL;
+    return -1;
+  }
+
+  LWIP_LOCK();
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+
+  // Allocate pbuf and copy data
+  struct pbuf *pb = pbuf_alloc(PBUF_TRANSPORT, (uint16_t) len, PBUF_RAM);
+  if (pb == nullptr) {
+    errno = ENOMEM;
+    return -1;
+  }
+  memcpy(pb->payload, buf, len);
+
+  err_t err = udp_sendto(this->pcb_, pb, &dst_ip, dst_port);
+  pbuf_free(pb);
+
+  if (err != ERR_OK) {
+    errno = err == ERR_MEM ? ENOMEM : EIO;
+    return -1;
+  }
+  return (ssize_t) len;
+}
+
+int LWIPRawUDPSendImpl::setsockopt(int level, int optname, const void *optval, socklen_t optlen) {
+  LWIP_LOCK();
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+  if (level == SOL_SOCKET && optname == SO_REUSEADDR) {
+    if (optval == nullptr || optlen < sizeof(int)) {
+      errno = EINVAL;
+      return -1;
+    }
+    // Effective only where lwip is built with SO_REUSE=1 (ESP8266 yes, RP2040 currently no)
+    if (*reinterpret_cast<const int *>(optval)) {
+      ip_set_option(this->pcb_, SOF_REUSEADDR);
+    } else {
+      ip_reset_option(this->pcb_, SOF_REUSEADDR);
+    }
+    return 0;
+  }
+  if (level == SOL_SOCKET && optname == SO_BROADCAST) {
+    if (optval == nullptr || optlen < sizeof(int)) {
+      errno = EINVAL;
+      return -1;
+    }
+    int val = *reinterpret_cast<const int *>(optval);
+    if (val) {
+      ip_set_option(this->pcb_, SOF_BROADCAST);
+    } else {
+      ip_reset_option(this->pcb_, SOF_BROADCAST);
+    }
+    return 0;
+  }
+  if (level == IPPROTO_IP && (optname == IP_ADD_MEMBERSHIP || optname == IP_DROP_MEMBERSHIP)) {
+    if (optval == nullptr || optlen < sizeof(struct ip_mreq)) {
+      errno = EINVAL;
+      return -1;
+    }
+    auto *mreq = reinterpret_cast<const struct ip_mreq *>(optval);
+    ip4_addr_t multiaddr{mreq->imr_multiaddr.s_addr};
+    ip4_addr_t ifaddr{mreq->imr_interface.s_addr};
+    err_t err =
+        optname == IP_ADD_MEMBERSHIP ? igmp_joingroup(&ifaddr, &multiaddr) : igmp_leavegroup(&ifaddr, &multiaddr);
+    if (err != ERR_OK) {
+      errno = EIO;
+      return -1;
+    }
+    return 0;
+  }
+  errno = ENOPROTOOPT;
+  return -1;
+}
+
+int LWIPRawUDPSendImpl::getsockopt(int level, int optname, void *optval, socklen_t *optlen) {
+  LWIP_LOCK();
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+  if (level == SOL_SOCKET && optname == SO_REUSEADDR) {
+    if (optval == nullptr || optlen == nullptr || *optlen < sizeof(int)) {
+      errno = EINVAL;
+      return -1;
+    }
+    *reinterpret_cast<int *>(optval) = ip_get_option(this->pcb_, SOF_REUSEADDR) ? 1 : 0;
+    *optlen = sizeof(int);
+    return 0;
+  }
+  errno = ENOPROTOOPT;
+  return -1;
+}
+
+int LWIPRawUDPSendImpl::setblocking(bool blocking) {
+  if (blocking) {
+    // blocking operation not supported on raw lwip
+    errno = EINVAL;
+    return -1;
+  }
+  return 0;
+}
+
+// ---- LWIPRawUDPImpl methods ----
+
+LWIPRawUDPImpl::LWIPRawUDPImpl(sa_family_t family, struct udp_pcb *pcb) : LWIPRawUDPSendImpl(family, pcb) {
+  // Registered here (not in bind) so unbound client sockets can receive replies
+  udp_recv(this->pcb_, LWIPRawUDPImpl::s_recv_fn, this);
+}
+
+LWIPRawUDPImpl::~LWIPRawUDPImpl() {
+  // Flush rx queue and unregister callback before base destructor removes pcb
+  if (this->pcb_ != nullptr)
+    this->close();
+}
+
+int LWIPRawUDPImpl::close() {
+  LWIP_LOCK();
+  // Unregister recv callback before removing pcb
+  if (this->pcb_ != nullptr) {
+    udp_recv(this->pcb_, nullptr, nullptr);
+  }
+  // Flush queued rx packets; slots within rx_count_ always hold a live pbuf
+  for (; this->rx_count_ > 0; this->rx_count_--) {
+    pbuf_free(this->rx_queue_[this->rx_read_idx_].pb);
+    this->rx_read_idx_ = (this->rx_read_idx_ + 1) & UDP_RX_MASK;
+  }
+  // close_internal_locked_() returns EBADF if already closed, which is fine from destructor
+  return this->close_internal_locked_();
+}
+
+ssize_t LWIPRawUDPImpl::read(void *buf, size_t len) { return this->recvfrom(buf, len, nullptr, nullptr); }
+
+ssize_t LWIPRawUDPImpl::recvfrom(void *buf, size_t len, struct sockaddr *src_addr, socklen_t *addrlen) {
+  if (buf == nullptr && len > 0) {
+    errno = EINVAL;
+    return -1;
+  }
+  LWIP_LOCK();
+  if (this->pcb_ == nullptr) {
+    errno = EBADF;
+    return -1;
+  }
+  if (this->rx_count_ == 0) {
+    errno = EWOULDBLOCK;
+    return -1;
+  }
+
+  auto &pkt = this->rx_queue_[this->rx_read_idx_];
+  // On address conversion failure, still consume the packet — the failure is
+  // deterministic (family_ and *addrlen), so keeping it would wedge the queue
+  ssize_t ret = -1;
+  if (src_addr == nullptr || addrlen == nullptr ||
+      this->ip2sockaddr_(&pkt.src_addr, pkt.src_port, src_addr, addrlen) == 0) {
+    ret = (ssize_t) std::min(len, (size_t) pkt.pb->tot_len);
+    pbuf_copy_partial(pkt.pb, buf, ret, 0);
+  }
+  pbuf_free(pkt.pb);
+  this->rx_read_idx_ = (this->rx_read_idx_ + 1) & UDP_RX_MASK;
+  this->rx_count_--;
+  return ret;
+}
+
+void LWIPRawUDPImpl::s_recv_fn(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port) {
+  auto *self = reinterpret_cast<LWIPRawUDPImpl *>(arg);
+  self->recv_fn_(p, addr, port);
+}
+
+// LWIP CALLBACK — runs from IRQ context on RP2040 (low-priority user IRQ).
+// No heap allocation allowed — malloc is not IRQ-safe (see #14687).
+// No LWIP_LOCK() needed — lwip core already holds the async_context lock.
+void LWIPRawUDPImpl::recv_fn_(struct pbuf *p, const ip_addr_t *addr, u16_t port) {
+  if (p == nullptr)
+    return;
+
+  // Check if queue is full
+  if (this->rx_count_ >= UDP_RX_QUEUE_SIZE) {
+    // Drop packet — queue full. Can't log from IRQ context, so count it
+    // (saturating) for consumers to surface via get_rx_dropped().
+    if (this->rx_dropped_ != UINT16_MAX)
+      this->rx_dropped_++;
+    pbuf_free(p);
+    return;
+  }
+
+  // Enqueue the packet
+  uint8_t write_idx = (this->rx_read_idx_ + this->rx_count_) & UDP_RX_MASK;
+  auto &slot = this->rx_queue_[write_idx];
+  slot.pb = p;
+  slot.src_addr = *addr;
+  slot.src_port = port;
+  this->rx_count_++;
+
+  esphome::wake_loop_any_context();
+}
+
+// ---- UDP Factory functions ----
+
+static struct udp_pcb *new_udp_pcb(int domain) {
+#if LWIP_IPV6
+  return udp_new_ip_type(domain == AF_INET6 ? IPADDR_TYPE_ANY : IPADDR_TYPE_V4);
+#else
+  return udp_new();
+#endif
+}
+
+std::unique_ptr<UDPSendSocket> socket_udp_send(int domain, int protocol) {
+  (void) protocol;  // Raw lwip UDP ignores protocol; kept for API compatibility
+  LWIP_LOCK();
+  auto *pcb = new_udp_pcb(domain);
+  if (pcb == nullptr) {
+    errno = ENOMEM;
+    return nullptr;
+  }
+  return make_unique<LWIPRawUDPSendImpl>((sa_family_t) domain, pcb);
+}
+
+std::unique_ptr<UDPSocket> socket_udp(int domain, int protocol) {
+  (void) protocol;  // Raw lwip UDP ignores protocol; kept for API compatibility
+  LWIP_LOCK();
+  auto *pcb = new_udp_pcb(domain);
+  if (pcb == nullptr) {
+    errno = ENOMEM;
+    return nullptr;
+  }
+  // Ctor registers the recv callback under the lock held here
+  return make_unique<LWIPRawUDPImpl>((sa_family_t) domain, pcb);
+}
+
+#undef LWIP_LOCK
+
+}  // namespace esphome::socket
+
+#endif  // USE_SOCKET_IMPL_LWIP_TCP

esphome/components/socket/lwip_raw_udp_impl.h

@@ -0,0 +1,113 @@
+#pragma once
+#include "esphome/core/defines.h"
+
+#ifdef USE_SOCKET_IMPL_LWIP_TCP
+
+#include <array>
+#include <cstdint>
+
+#include "headers.h"
+#include "lwip/ip.h"
+#include "lwip/udp.h"
+
+namespace esphome::socket {
+
+/// Send-only UDP socket implementation for LWIP raw API.
+/// Non-virtual, concrete type. Uses lwip/udp.h raw API.
+/// No receive capability — use LWIPRawUDPImpl for sockets that need to receive.
+class LWIPRawUDPSendImpl {
+ public:
+  /// The pcb is allocated by the factory (like the TCP impl); never null here.
+  LWIPRawUDPSendImpl(sa_family_t family, struct udp_pcb *pcb) : pcb_(pcb), family_(family) {}
+  ~LWIPRawUDPSendImpl();
+  LWIPRawUDPSendImpl(const LWIPRawUDPSendImpl &) = delete;
+  LWIPRawUDPSendImpl &operator=(const LWIPRawUDPSendImpl &) = delete;
+
+  int bind(const struct sockaddr *name, socklen_t addrlen);
+  int close();
+
+  /// Send a UDP packet to the specified destination.
+  ssize_t sendto(const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen);
+
+  int setsockopt(int level, int optname, const void *optval, socklen_t optlen);
+  int getsockopt(int level, int optname, void *optval, socklen_t *optlen);
+
+  int setblocking(bool blocking);
+
+  bool ready() const { return false; }
+  int get_fd() const { return -1; }
+
+ protected:
+  /// Convert lwip ip_addr_t and port to sockaddr.
+  int ip2sockaddr_(const ip_addr_t *ip, uint16_t port, struct sockaddr *name, socklen_t *addrlen);
+
+  /// Shared close logic — removes the udp pcb. Caller must hold LWIP_LOCK.
+  int close_internal_locked_();
+
+  struct udp_pcb *pcb_;
+  sa_family_t family_;
+};
+
+/// UDP socket with receive support for LWIP raw API.
+/// Extends LWIPRawUDPSendImpl with a fixed-size ring buffer for incoming packets.
+/// Inheritance is private (base dtor is non-virtual; converting to a base
+/// pointer would leak queued pbufs on destruction).
+class LWIPRawUDPImpl : private LWIPRawUDPSendImpl {
+ public:
+  /// Caller (the factory) must hold the lwip lock; registers the recv callback.
+  LWIPRawUDPImpl(sa_family_t family, struct udp_pcb *pcb);
+  ~LWIPRawUDPImpl();
+
+  using LWIPRawUDPSendImpl::bind;
+  using LWIPRawUDPSendImpl::get_fd;
+  using LWIPRawUDPSendImpl::getsockopt;
+  using LWIPRawUDPSendImpl::sendto;
+  using LWIPRawUDPSendImpl::setblocking;
+  using LWIPRawUDPSendImpl::setsockopt;
+
+  /// Close the socket, flushing any queued rx packets first.
+  int close();
+
+  /// Read the next queued packet, discarding source address info.
+  /// If buf is smaller than the packet, data is silently truncated (returns bytes copied).
+  /// Note: unlike POSIX MSG_TRUNC, this does not return the original packet length on truncation.
+  ssize_t read(void *buf, size_t len);
+  /// Read the next queued packet and return the source address.
+  /// If buf is smaller than the packet, data is silently truncated (returns bytes copied).
+  /// Note: unlike POSIX MSG_TRUNC, this does not return the original packet length on truncation.
+  ssize_t recvfrom(void *buf, size_t len, struct sockaddr *src_addr, socklen_t *addrlen);
+
+  /// Returns true if there are packets available to read.
+  /// Intentionally unlocked — same rationale as LWIPRawImpl::ready().
+  bool ready() const { return this->rx_count_ > 0; }
+
+  /// Number of packets dropped because the rx queue was full (saturating).
+  uint16_t get_rx_dropped() const { return this->rx_dropped_; }
+
+ protected:
+  static void s_recv_fn(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port);
+  void recv_fn_(struct pbuf *p, const ip_addr_t *addr, u16_t port);
+
+  /// Ring buffer for received UDP packets.
+  /// Both producer (recv callback) and consumer (main loop) are serialized by the
+  /// lwip lock — the callback runs under lwip core lock, and consumer methods hold
+  /// LWIP_LOCK(). All 4 slots are usable (no wasted slot for full/empty distinction).
+  /// No heap allocation in the recv callback — packets are dropped if the queue is full.
+  static constexpr uint8_t UDP_RX_QUEUE_SIZE = 4;
+  static constexpr uint8_t UDP_RX_MASK = UDP_RX_QUEUE_SIZE - 1;
+  static_assert((UDP_RX_QUEUE_SIZE & UDP_RX_MASK) == 0, "UDP_RX_QUEUE_SIZE must be power of 2");
+  // Fields are written by recv_fn_ before rx_count_ makes a slot visible
+  struct UDPRxPacket {
+    ip_addr_t src_addr;
+    struct pbuf *pb;
+    uint16_t src_port;
+  };
+  std::array<UDPRxPacket, UDP_RX_QUEUE_SIZE> rx_queue_{};
+  uint16_t rx_dropped_{0};
+  uint8_t rx_read_idx_{0};
+  uint8_t rx_count_{0};
+};
+
+}  // namespace esphome::socket
+
+#endif  // USE_SOCKET_IMPL_LWIP_TCP

esphome/components/socket/lwip_sockets_impl.h

@@ -84,6 +84,9 @@ class LwIPSocketImpl {
 
   int get_fd() const { return this->fd_; }
 
+  /// UDP rx drop counter parity with LWIPRawUDPImpl; drops are not counted here.
+  uint16_t get_rx_dropped() const { return 0; }
+
  protected:
   // fd_ < 0 means "not open" — used both pre-open (initial state) and post-close. This
   // replaces a separate closed_ flag: close() sets fd_ = -1 after lwip_close(), and the

esphome/components/socket/socket.cpp

@@ -116,25 +116,7 @@ size_t format_sockaddr_to(const struct sockaddr *addr_ptr, socklen_t len, std::s
   return 0;
 }
 
-std::unique_ptr<Socket> socket_ip(int type, int protocol) {
-#if USE_NETWORK_IPV6
-  return socket(AF_INET6, type, protocol);
-#else
-  return socket(AF_INET, type, protocol);
-#endif /* USE_NETWORK_IPV6 */
-}
-
-#ifdef USE_SOCKET_IMPL_LWIP_TCP
-// LWIP_TCP has separate Socket/ListenSocket types — needs out-of-line factory.
-// BSD and LWIP_SOCKETS define this inline in socket.h.
-std::unique_ptr<ListenSocket> socket_ip_loop_monitored(int type, int protocol) {
-#if USE_NETWORK_IPV6
-  return socket_listen_loop_monitored(AF_INET6, type, protocol);
-#else
-  return socket_listen_loop_monitored(AF_INET, type, protocol);
-#endif /* USE_NETWORK_IPV6 */
-}
-#endif
+std::unique_ptr<Socket> socket_ip(int type, int protocol) { return socket(IP_DOMAIN, type, protocol); }
 
 socklen_t set_sockaddr(struct sockaddr *addr, socklen_t addrlen, const char *ip_address, uint16_t port) {
 #if USE_NETWORK_IPV6

esphome/components/socket/socket.h

@@ -20,6 +20,7 @@
 #include "lwip_sockets_impl.h"
 #elif defined(USE_SOCKET_IMPL_LWIP_TCP)
 #include "lwip_raw_tcp_impl.h"
+#include "lwip_raw_udp_impl.h"
 #endif
 
 namespace esphome::socket {
@@ -27,17 +28,32 @@ namespace esphome::socket {
 // Type aliases — only one implementation is active per build.
 // Socket is the concrete type for connected sockets.
 // ListenSocket is the concrete type for listening/server sockets.
-// On BSD and LWIP_SOCKETS, both aliases resolve to the same type.
+// UDPSocket is the concrete type for UDP sockets (send + receive).
+// UDPSendSocket is the concrete type for send-only UDP sockets.
+// On BSD and LWIP_SOCKETS, all aliases resolve to the same type.
 // On LWIP_TCP, they are different types (no virtual dispatch between them).
 #ifdef USE_SOCKET_IMPL_BSD_SOCKETS
 using Socket = BSDSocketImpl;
 using ListenSocket = BSDSocketImpl;
+using UDPSendSocket = BSDSocketImpl;
+using UDPSocket = BSDSocketImpl;
 #elif defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
 using Socket = LwIPSocketImpl;
 using ListenSocket = LwIPSocketImpl;
+using UDPSendSocket = LwIPSocketImpl;
+using UDPSocket = LwIPSocketImpl;
 #elif defined(USE_SOCKET_IMPL_LWIP_TCP)
 using Socket = LWIPRawImpl;
 using ListenSocket = LWIPRawListenImpl;
+using UDPSendSocket = LWIPRawUDPSendImpl;
+using UDPSocket = LWIPRawUDPImpl;
+#endif
+
+// Domain used by the socket_ip_* helpers: newest available IP domain.
+#if USE_NETWORK_IPV6
+inline constexpr int IP_DOMAIN = AF_INET6;
+#else
+inline constexpr int IP_DOMAIN = AF_INET;
 #endif
 
 #ifdef USE_LWIP_FAST_SELECT
@@ -104,6 +120,36 @@ std::unique_ptr<Socket> socket_ip(int type, int protocol);
 /// File descriptors >= FD_SETSIZE will not be monitored and will log an error.
 std::unique_ptr<Socket> socket_loop_monitored(int domain, int type, int protocol);
 
+/// Create a send-only UDP socket (socket_udp_send), a UDP socket with receive
+/// support (socket_udp), or a UDP socket monitored for data in the main loop
+/// (socket_udp_loop_monitored).
+#ifdef USE_SOCKET_IMPL_LWIP_TCP
+std::unique_ptr<UDPSendSocket> socket_udp_send(int domain, int protocol);
+std::unique_ptr<UDPSocket> socket_udp(int domain, int protocol);
+// Wake is built into the recv callback, so monitoring needs nothing extra.
+inline std::unique_ptr<UDPSocket> socket_udp_loop_monitored(int domain, int protocol) {
+  return socket_udp(domain, protocol);
+}
+#else
+inline std::unique_ptr<UDPSendSocket> socket_udp_send(int domain, int protocol) {
+  return esphome::socket::socket(domain, SOCK_DGRAM, protocol);
+}
+inline std::unique_ptr<UDPSocket> socket_udp(int domain, int protocol) {
+  return esphome::socket::socket(domain, SOCK_DGRAM, protocol);
+}
+// Registers the socket with the Application's select() loop.
+inline std::unique_ptr<UDPSocket> socket_udp_loop_monitored(int domain, int protocol) {
+  return socket_loop_monitored(domain, SOCK_DGRAM, protocol);
+}
+#endif
+
+/// socket_udp* variants using the newest available IP domain.
+inline std::unique_ptr<UDPSendSocket> socket_ip_udp_send(int protocol) { return socket_udp_send(IP_DOMAIN, protocol); }
+inline std::unique_ptr<UDPSocket> socket_ip_udp(int protocol) { return socket_udp(IP_DOMAIN, protocol); }
+inline std::unique_ptr<UDPSocket> socket_ip_udp_loop_monitored(int protocol) {
+  return socket_udp_loop_monitored(IP_DOMAIN, protocol);
+}
+
 /// Create a listening socket of the given domain, type and protocol.
 /// Create a listening socket and monitor it for data in the main loop.
 /// Create a listening socket in the newest available IP domain and monitor it.
@@ -111,7 +157,6 @@ std::unique_ptr<Socket> socket_loop_monitored(int domain, int type, int protocol
 // LWIP_TCP has separate Socket/ListenSocket types — needs distinct factory functions.
 std::unique_ptr<ListenSocket> socket_listen(int domain, int type, int protocol);
 std::unique_ptr<ListenSocket> socket_listen_loop_monitored(int domain, int type, int protocol);
-std::unique_ptr<ListenSocket> socket_ip_loop_monitored(int type, int protocol);
 #else
 // BSD and LWIP_SOCKETS: Socket == ListenSocket, so listen variants just delegate.
 inline std::unique_ptr<ListenSocket> socket_listen(int domain, int type, int protocol) {
@@ -120,14 +165,10 @@ inline std::unique_ptr<ListenSocket> socket_listen(int domain, int type, int pro
 inline std::unique_ptr<ListenSocket> socket_listen_loop_monitored(int domain, int type, int protocol) {
   return socket_loop_monitored(domain, type, protocol);
 }
+#endif
 inline std::unique_ptr<ListenSocket> socket_ip_loop_monitored(int type, int protocol) {
-#if USE_NETWORK_IPV6
-  return socket_loop_monitored(AF_INET6, type, protocol);
-#else
-  return socket_loop_monitored(AF_INET, type, protocol);
-#endif
+  return socket_listen_loop_monitored(IP_DOMAIN, type, protocol);
 }
-#endif
 
 /// Set a sockaddr to the specified address and port for the IP version used by socket_ip().
 /// @param addr Destination sockaddr structure

esphome/core/__init__.py

@@ -1138,14 +1138,13 @@ class EsphomeCore:
     def add_platformio_option(
         self, key: str, value: str | list[str], *, replace: bool = False
     ) -> None:
-        """Set a platformio.ini option; values append to an existing list
-        (a string as one element) unless ``replace`` is True, which
-        overwrites any existing value."""
+        """Set a platformio.ini option; list values append to an existing list
+        unless ``replace`` is True, which overwrites any existing value."""
         new_val = value
         old_val = self.platformio_options.get(key)
         if not replace and isinstance(old_val, list):
-            # A user platformio_options string must merge, not assert
-            new_val = old_val + ([value] if isinstance(value, str) else value)
+            assert isinstance(value, list)
+            new_val = old_val + value
         self.platformio_options[key] = new_val
 
     def _get_variable_generator(self, id):

esphome/core/config.py

@@ -555,14 +555,7 @@ NATIVE_ARDUINO_PIO_OPTIONS = frozenset({"board_build.f_cpu", "board_build.ldscri
 # that is stored rather than translated away. Consumed by the esp8266 native
 # backend (later in this chain) for its ignored-option warning; defined here
 # so it stays adjacent to the routing.
-# build_src_flags and board_build.flash_mode: set unconditionally by
-# esp8266/__init__ and read by the native generator; not user-routable, so
-# not in the set above
-NATIVE_ARDUINO_CONSUMED_PIO_OPTIONS = NATIVE_ARDUINO_PIO_OPTIONS | {
-    "lib_ignore",
-    "build_src_flags",
-    "board_build.flash_mode",
-}
+NATIVE_ARDUINO_CONSUMED_PIO_OPTIONS = NATIVE_ARDUINO_PIO_OPTIONS | {"lib_ignore"}
 
 
 @coroutine_with_priority(CoroPriority.FINAL)

esphome/core/pch_prefix.h

@@ -1,8 +0,0 @@
-#pragma once
-// Curated precompiled-header prefix for backends that force-include it via
-// build_src_flags (the pch script folds it into the .gch). Guarded because
-// build_src_flags also reaches C and assembly src edges.
-#ifdef __cplusplus
-#include "esphome/core/application.h"
-#include "esphome/core/automation.h"
-#endif

esphome/espidf/_tool_resolution.py

@@ -1,68 +0,0 @@
-"""Shared tool resolution for the sibling idf_tools-backed scripts.
-
-Importable because ``python <script>`` puts this directory first on
-sys.path; ``idf_tools`` itself comes from PYTHONPATH.
-"""
-
-# pylint: disable=import-error  # idf_tools is on PYTHONPATH at runtime only
-
-from collections.abc import Callable, Iterator
-import os
-from pathlib import Path
-
-from idf_tools import (
-    CURRENT_PLATFORM,
-    TOOLS_FILE,
-    IDFEnv,
-    ToolBinaryError,
-    add_and_check_targets,
-    expand_tools_arg,
-    g,
-    load_tools_info,
-)
-
-
-def init_idf_tools(idf_framework_root: str) -> None:
-    """Point idf_tools' globals at the framework and IDF_TOOLS_PATH."""
-    g.idf_path = idf_framework_root
-    g.idf_tools_path = os.environ.get("IDF_TOOLS_PATH")
-    g.tools_json = str(Path(g.idf_path) / TOOLS_FILE)
-
-
-def archive_name(download: object) -> str:
-    """The dist/ filename idf_tools downloads and installs this from."""
-    return download.rename_dist or Path(download.url).name
-
-
-def iter_tool_downloads(
-    targets_csv: str,
-    tool_specs: list[str],
-    on_broken: Callable[[str, ToolBinaryError], bool],
-) -> Iterator[tuple[object, str, str, object]]:
-    """Yield (tool, name, version, download) per uninstalled tool, mirroring
-    ``idf_tools.py install``'s expansion; ``on_broken(name, err)`` returns
-    True to treat a tool with a failing installed binary as not installed."""
-    targets = add_and_check_targets(IDFEnv.get_idf_env(), targets_csv)
-    tools_info = load_tools_info()
-    for name in expand_tools_arg(tool_specs, tools_info, targets):
-        if "@" in name:
-            name, version = name.split("@", 1)
-        else:
-            version = None
-        tool = tools_info.get(name)
-        if tool is None or not tool.compatible_with_platform():
-            continue
-        version = version or tool.get_recommended_version()
-        if version is None:
-            continue
-        try:
-            tool.find_installed_versions()
-        except ToolBinaryError as e:
-            if not on_broken(name, e):
-                continue
-        if version in tool.versions_installed or version not in tool.versions:
-            continue
-        download = tool.versions[version].get_download_for_platform(CURRENT_PLATFORM)
-        if download is None:
-            continue
-        yield tool, name, version, download

esphome/espidf/framework.py

@@ -16,11 +16,9 @@ from esphome.build_helpers.ccache import (
     parse_enable_env,
     resolve_ccache_path,
 )
-from esphome.build_helpers.pch import ccache_pch_env
 from esphome.build_helpers.tools_cache import IDF_TOOLS_CACHE, tools_cache_path
 from esphome.core import Version
 from esphome.framework_helpers import (
-    BATCH_EXTRACT_WORKERS,
     PathType,
     create_venv,
     download_and_extract,
@@ -28,7 +26,6 @@ from esphome.framework_helpers import (
     failure_reason,
     get_python_env_executable_path,
     get_system_python_path,
-    is_expected_fetch_error,
     resume_fetch_job,
     rmdir,
     run_batch_downloads,
@@ -36,9 +33,9 @@ from esphome.framework_helpers import (
     run_command_ok,
     str_to_lst_of_str,
     tool_version_runs,
-    warn_batch_failures,
+    warn_prefetch_failures,
 )
-from esphome.helpers import get_usable_cpu_count, write_file_if_changed
+from esphome.helpers import write_file_if_changed
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -294,13 +291,11 @@ def _run_idf_tools_script(
     msg: str,
     args: list[str] | None = None,
     env: dict[str, str] | None = None,
-    stream_output: bool = False,
 ) -> tuple[bool, str | None, str | None]:
     """Run one of the sibling idf_tools-backed helper scripts.
 
-    PYTHONPATH carries this directory (sibling imports like
-    ``_tool_resolution``), the esphome package root (``esphome.helpers``),
-    and the framework's ``tools`` dir (its own ``idf_tools`` module).
+    The script is executed with the framework's ``tools`` directory on
+    PYTHONPATH so it imports the framework's own ``idf_tools`` module.
     """
     cmd = [
         get_system_python_path(),
@@ -308,20 +303,11 @@ def _run_idf_tools_script(
         str(idf_framework_root),
         *(args or []),
     ]
-    # Explicit paths: the scripts dir (sibling imports must survive
-    # PYTHONSAFEPATH), the esphome package root, and the framework's idf_tools
-    pythonpath = os.pathsep.join(
-        (
-            str(_SCRIPTS_DIR),
-            str(_SCRIPTS_DIR.parents[1]),
-            str(Path(idf_framework_root) / "tools"),
-        )
-    )
     return run_command(
         cmd,
         msg=msg,
-        env=(env or os.environ) | {"PYTHONPATH": pythonpath},
-        stream_output=stream_output,
+        env=(env or os.environ)
+        | {"PYTHONPATH": str(Path(idf_framework_root) / "tools")},
     )
 
 
@@ -739,9 +725,9 @@ def _prefetch_idf_tool_archives(
         dist_path = get_idf_tools_path() / "dist"
         entries = []
         seen_dests: set[str] = set()
-        # Pre-existing archives are not skipped: download_with_resume keeps
-        # them only on a sha256 match, so the pre-extraction can trust dist/
         for entry in json.loads(stdout):
+            if (dist_path / entry["dest"]).is_file():
+                continue
             # Never download unverified: an entry without sha256/size is
             # left to the installer, which fails loudly on a bad archive.
             # Checked before the dedupe so it cannot shadow a verifiable
@@ -761,11 +747,9 @@ def _prefetch_idf_tool_archives(
             entries.append(entry)
         if not entries:
             return
-        cached = sum((dist_path / entry["dest"]).is_file() for entry in entries)
         _LOGGER.info(
-            "Downloading %d ESP-IDF tool archive(s)%s: %s",
+            "Downloading %d ESP-IDF tool archive(s): %s",
             len(entries),
-            f" ({cached} cached, verifying)" if cached else "",
             ", ".join(entry["name"] for entry in entries),
         )
 
@@ -789,7 +773,7 @@ def _prefetch_idf_tool_archives(
                 for entry in entries
             ],
         )
-        warn_batch_failures(failures)
+        warn_prefetch_failures(failures)
         if len(failures) == len(entries):
             # A systematic fault, not one flaky mirror: the resume
             # workaround (#17703) is off for this whole install
@@ -804,42 +788,6 @@ def _prefetch_idf_tool_archives(
         _LOGGER.debug("Prefetch failure detail", exc_info=True)
 
 
-def _preinstall_idf_tool_archives(
-    framework_path: Path,
-    targets_str: str,
-    tools: list[str],
-    env: dict[str, str] | None,
-) -> None:
-    """Run install_tool_archives.py to extract the prefetched tool archives
-    in parallel. Strictly best-effort: the sequential installer remains the
-    authority (see that script's docstring)."""
-    try:
-        success, _stdout, _stderr = _run_idf_tools_script(
-            framework_path,
-            "install_tool_archives.py",
-            "ESP-IDF tool archive extraction",
-            args=[
-                targets_str,
-                str(min(get_usable_cpu_count(), BATCH_EXTRACT_WORKERS)),
-                *tools,
-            ],
-            env=env,
-            stream_output=True,
-        )
-        if not success:
-            # Detail already streamed to the terminal by the script; a
-            # surviving torn dir prints its own guidance there
-            _LOGGER.warning("ESP-IDF tool pre-extraction failed; see above")
-    except Exception as e:  # noqa: BLE001  # pylint: disable=broad-exception-caught
-        # A programming error keeps its traceback at WARNING
-        _LOGGER.warning(
-            "ESP-IDF tool pre-extraction failed: %s",
-            failure_reason(e),
-            exc_info=None if is_expected_fetch_error(e) else e,
-        )
-        _LOGGER.debug("Pre-extraction failure detail", exc_info=True)
-
-
 def _check_esphome_idf_framework_install(
     version: str,
     targets: list[str],
@@ -991,7 +939,6 @@ def _check_esphome_idf_framework_install(
         _LOGGER.info("Installing ESP-IDF %s framework ...", version)
         targets_str = ",".join(targets)
         _prefetch_idf_tool_archives(framework_path, targets_str, tools, env)
-        _preinstall_idf_tool_archives(framework_path, targets_str, tools, env)
         cmd = [
             get_system_python_path(),
             str(idf_tools_path),
@@ -1243,33 +1190,15 @@ def _ccache_env() -> dict[str, str]:
 
     Only values the user has not already set in the environment are returned, so
     a custom ``CCACHE_DIR`` / ``CCACHE_MAXSIZE`` / etc. is respected.
-    The pch settings add ``time_macros`` sloppiness process-wide; the visible
-    effect is a cached TU can keep an older ``esp_app_desc`` build timestamp.
-    """
-    if not _ccache_enabled():
-        # The raw knob value (e.g. "disable") is still inherited by idf.py
-        # via os.environ, where a non-false-constant string reads as
-        # truthy; export the canonical off spelling instead
-        return {"IDF_CCACHE_ENABLE": "0"}
-
-    env = ccache_defaults_env(get_idf_tools_path() / "ccache")
-    env.update(ccache_pch_env())
-    # Exactly one canonical spelling ever reaches idf.py, whatever the
-    # accepted input spelling was ("enable", "yes", ...)
-    env["IDF_CCACHE_ENABLE"] = "1"
-    return env
-
-
-def _ccache_enabled() -> bool:
-    """Whether ESP-IDF compiles run under ccache.
-
-    IDF_CCACHE_ENABLE (the backend-native knob) wins over the shared
-    ESPHOME_CCACHE_ENABLE; when unset, enabled iff a runnable binary is
-    on PATH.
     """
+    # IDF_CCACHE_ENABLE (the backend-native knob) wins over the shared
+    # ESPHOME_CCACHE_ENABLE.
     idf_knob = parse_enable_env("IDF_CCACHE_ENABLE")
     if idf_knob is False:
-        return False
+        # The raw value (e.g. "disable") is still inherited by idf.py via
+        # os.environ, where a non-false-constant string reads as truthy;
+        # export the canonical off spelling instead
+        return {"IDF_CCACHE_ENABLE": "0"}
     if idf_knob is True:
         # Forced on ignores the runnability verdict, but the outcome is
         # worth saying out loud. Probed directly (not via the resolver,
@@ -1289,8 +1218,17 @@ def _ccache_enabled() -> bool:
                 "IDF_CCACHE_ENABLE=1 forces on the ccache at %s even though "
                 "it failed to run; idf.py will use it anyway",
             )
-        return True
-    return resolve_ccache_path() is not None
+    elif resolve_ccache_path() is None:
+        # ESP-IDF silently skips ccache without the binary; export the
+        # canonical off spelling so an unparsable inherited value (or a
+        # probe-rejected ccache idf.py would still find) cannot enable it
+        return {"IDF_CCACHE_ENABLE": "0"}
+
+    env = ccache_defaults_env(get_idf_tools_path() / "ccache")
+    # Exactly one canonical spelling ever reaches idf.py, whatever the
+    # accepted input spelling was ("enable", "yes", ...)
+    env["IDF_CCACHE_ENABLE"] = "1"
+    return env
 
 
 def get_framework_env(

esphome/espidf/get_tool_downloads.py

@@ -1,9 +1,8 @@
 """Print JSON download info for the ESP-IDF tools an install would fetch.
 
 Run via ``python <this file> <idf_framework_root> <targets-csv> <tool-spec>...``.
-PYTHONPATH must include this directory (for ``_tool_resolution``) and
-``<idf_framework_root>/tools`` (for ``idf_tools``), and IDF_TOOLS_PATH must
-be set. Prints a JSON list of
+PYTHONPATH must include ``<idf_framework_root>/tools`` so ``idf_tools`` is
+importable, and IDF_TOOLS_PATH must be set. Prints a JSON list of
 ``{name, url, size, sha256, dest}`` for every tool version that is not yet
 installed, where ``dest`` is the archive filename ``idf_tools.py install``
 expects to find in ``<IDF_TOOLS_PATH>/dist``. Tools with no download for the
@@ -19,36 +18,67 @@ or written — this script only reports what the install would download.
 
 from contextlib import redirect_stdout
 import json
+import os
+from pathlib import Path
 import sys
 
-from _tool_resolution import archive_name, init_idf_tools, iter_tool_downloads
-from idf_tools import ToolBinaryError, get_idf_download_url_apply_mirrors
+from idf_tools import (
+    CURRENT_PLATFORM,
+    TOOLS_FILE,
+    IDFEnv,
+    ToolBinaryError,
+    add_and_check_targets,
+    expand_tools_arg,
+    g,
+    get_idf_download_url_apply_mirrors,
+    load_tools_info,
+)
 
 
 def collect_downloads() -> list[dict]:
-    init_idf_tools(sys.argv[1])
+    g.idf_path = sys.argv[1]
+    g.idf_tools_path = os.environ.get("IDF_TOOLS_PATH")
+    g.tools_json = str(Path(g.idf_path) / TOOLS_FILE)
 
-    def on_broken(name: str, e: ToolBinaryError) -> bool:
-        # A broken installed binary is idf_tools' problem to repair on
-        # install; note it and treat the version as not installed.
-        print(f"tool {name} failed its binary check: {e}", file=sys.stderr)
-        return True
+    targets = add_and_check_targets(IDFEnv.get_idf_env(), sys.argv[2])
+    tools_info = load_tools_info()
+    downloads: list[dict] = []
 
-    return [
-        {
-            "name": f"{name}@{version}",
-            # Apply the same IDF_MIRROR_PREFIX_MAP / IDF_GITHUB_ASSETS
-            # rewriting the installer's own downloader applies, so users
-            # behind a mirror prefetch from the mirror too.
-            "url": get_idf_download_url_apply_mirrors(None, download.url),
-            "size": download.size,
-            "sha256": download.sha256,
-            "dest": archive_name(download),
-        }
-        for _tool, name, version, download in iter_tool_downloads(
-            sys.argv[2], sys.argv[3:], on_broken
+    for name in expand_tools_arg(sys.argv[3:], tools_info, targets):
+        if "@" in name:
+            name, version = name.split("@", 1)
+        else:
+            version = None
+        tool = tools_info.get(name)
+        if tool is None or not tool.compatible_with_platform():
+            continue
+        version = version or tool.get_recommended_version()
+        if version is None:
+            continue
+        try:
+            tool.find_installed_versions()
+        except ToolBinaryError as e:
+            # A broken installed binary is idf_tools' problem to repair on
+            # install; note it and treat the version as not installed.
+            print(f"tool {name} failed its binary check: {e}", file=sys.stderr)
+        if version in tool.versions_installed or version not in tool.versions:
+            continue
+        download = tool.versions[version].get_download_for_platform(CURRENT_PLATFORM)
+        if download is None:
+            continue
+        downloads.append(
+            {
+                "name": f"{name}@{version}",
+                # Apply the same IDF_MIRROR_PREFIX_MAP / IDF_GITHUB_ASSETS
+                # rewriting the installer's own downloader applies, so users
+                # behind a mirror prefetch from the mirror too.
+                "url": get_idf_download_url_apply_mirrors(None, download.url),
+                "size": download.size,
+                "sha256": download.sha256,
+                "dest": download.rename_dist or Path(download.url).name,
+            }
         )
-    ]
+    return downloads
 
 
 # idf_tools prints informational lines (e.g. mirror URL rewrites) to stdout;

esphome/espidf/install_tool_archives.py

@@ -1,129 +0,0 @@
-"""Extract prefetched ESP-IDF tool archives in parallel.
-
-Run via ``python <this file> <idf_framework_root> <targets-csv> <workers>
-<tool-spec>...`` with idf_tools and the esphome package root on PYTHONPATH
-and IDF_TOOLS_PATH set.
-Drives idf_tools' own ``IDFTool.install()`` so extraction semantics match
-the sequential installer, which still runs afterwards as the authority and
-redoes anything this best-effort pass failed on. Archives are trusted from
-the prefetch's sha256 verification, not re-hashed here.
-"""
-
-# pylint: disable=import-error  # idf_tools is on PYTHONPATH at runtime only
-
-from concurrent.futures import ThreadPoolExecutor
-from pathlib import Path
-import sys
-
-from _tool_resolution import archive_name, init_idf_tools, iter_tool_downloads
-from idf_tools import ToolBinaryError, g
-
-from esphome.helpers import rmtree
-
-
-def collect_pending(
-    targets_csv: str, tool_specs: list[str]
-) -> tuple[dict[tuple[str, str], object], int]:
-    """The {(name, version): tool} jobs whose verified archive is on disk,
-    and how many distinct uninstalled tools were resolved overall."""
-    dist_path = Path(g.idf_tools_path) / "dist"
-
-    def on_broken(name: str, e: ToolBinaryError) -> bool:
-        # Repairing a broken installed binary is the installer's job
-        print(f"leaving broken {name} to the installer: {e}", file=sys.stderr)
-        return False
-
-    pending: dict[tuple[str, str], object] = {}
-    resolved: set[tuple[str, str]] = set()
-    for tool, name, version, download in iter_tool_downloads(
-        targets_csv, tool_specs, on_broken
-    ):
-        resolved.add((name, version))
-        # Mirror the prefetch: an entry it could not verify is never trusted
-        if not (download.sha256 and download.size):
-            continue
-        # Trusted as-is: the prefetch verifies archives at their final name,
-        # and the installer redoes anything this pass fails on
-        if (name, version) in pending or not (
-            dist_path / archive_name(download)
-        ).is_file():
-            continue
-        pending[(name, version)] = tool
-    return pending, len(resolved)
-
-
-def install_one(tool: object, name: str, version: str) -> bool | None:
-    """True on success, False on a cleaned-up failure, None when the torn
-    dest dir survived and could fool the installer's binary probe."""
-    try:
-        tool.install(version)
-    # check_binary_valid exits via SystemExit; the installer redoes failures
-    except (Exception, SystemExit) as e:  # noqa: BLE001  # pylint: disable=broad-exception-caught
-        # Name the type: idf_tools' fatal() raises SystemExit(1), which
-        # would render as a bare "1"
-        print(
-            f"pre-extracting {name}@{version} failed, leaving it to the "
-            f"installer: {type(e).__name__}: {e}",
-            file=sys.stderr,
-        )
-        # A torn dest dir must not look installed to the installer
-        dest = tool.get_path_for_version(version)
-        try:
-            rmtree(dest)
-        except FileNotFoundError:  # pragma: no cover  # failed before mkdir
-            pass
-        except OSError as cleanup_err:
-            print(
-                f"could not remove {dest}: {cleanup_err}; the installer may "
-                "trust the partial tool dir, delete it manually if the build "
-                "fails",
-                file=sys.stderr,
-            )
-            return None
-        return False
-    # Per-tool completion keeps the multi-minute unpack phase visibly alive
-    print(f"extracted {name}@{version}", flush=True)
-    return True
-
-
-def main() -> None:
-    _script, idf_framework_root, targets_csv, workers_str, *tool_specs = sys.argv
-    init_idf_tools(idf_framework_root)
-    pending, resolved = collect_pending(targets_csv, tool_specs)
-    if len(pending) < 2:
-        # Nothing to parallelize; the count makes a naming/resolution drift
-        # that would silently disable this pass observable
-        print(
-            f"{len(pending)} of {resolved} uninstalled tool(s) have a "
-            "prefetched archive; leaving them to the installer",
-            flush=True,
-        )
-        return
-    workers = min(int(workers_str), len(pending))
-    print(
-        f"Extracting {len(pending)} ESP-IDF tool archive(s) with "
-        f"{workers} worker(s): "
-        + ", ".join(f"{name}@{version}" for name, version in pending),
-        flush=True,
-    )
-    with ThreadPoolExecutor(max_workers=workers) as ex:
-        futures = [
-            ex.submit(install_one, tool, name, version)
-            for (name, version), tool in pending.items()
-        ]
-        try:
-            results = [future.result() for future in futures]
-        except BaseException:  # pragma: no cover
-            # Ctrl-C: drop queued extractions; in-flight ones finish whole
-            ex.shutdown(wait=True, cancel_futures=True)
-            raise
-    # A survivor could fool the installer; every job failing is systematic.
-    # Either way a nonzero exit makes the caller warn
-    failed = sum(result is not True for result in results)
-    if failed:
-        print(f"{failed} of {len(results)} pre-extractions failed", file=sys.stderr)
-        if None in results or failed == len(results):
-            sys.exit(1)
-
-
-main()

esphome/espidf/toolchain.py

@@ -528,12 +528,6 @@ def run_compile(config, verbose: bool) -> int:
             return result.returncode
         _patch_memory_segments()
 
-    # After every reconfigure so compile_commands and sdkconfig are settled
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.build_helpers.pch import guarded_prepare
-
-    guarded_prepare(CORE.relative_build_path("build"), prepare_pch)
-
     # Build
     args = []
 

esphome/framework_helpers.py

@@ -287,25 +287,10 @@ def _detect_archive_root(names: Iterable[str]) -> str | None:
     return root if has_descendant else None
 
 
-def _resolve_progress(
-    progress: Callable[[float], None] | None,
-    progress_header: str | None,
-    has_work: bool,
-) -> Callable[[float], None] | None:
-    """Fraction reporter for an extractor: the caller's callback wins over a
-    private ``progress_header`` bar."""
-    if progress is not None:
-        return progress
-    if progress_header and has_work:
-        return ProgressBar(progress_header).update
-    return None
-
-
 def _tar_extract_all(
     data: io.BufferedIOBase,
     extract_dir: PathType = ".",
     progress_header: str | None = None,
-    progress: Callable[[float], None] | None = None,
 ):
     """
     Extract a TAR archive to the specified directory.
@@ -320,7 +305,6 @@ def _tar_extract_all(
         data: File-like object containing the TAR archive
         extract_dir: Directory to extract contents to
         progress_header: If set, show a progress bar with this header
-        progress: fraction callback (0..1, ends at 1.0); overrides progress_header
     """
     import tarfile
 
@@ -379,20 +363,21 @@ def _tar_extract_all(
             safe_members.append(member)
 
         total = len(safe_members)
-        report = _resolve_progress(progress, progress_header, total > 0)
+        progress = (
+            ProgressBar(progress_header) if progress_header and total > 0 else None
+        )
         for i, member in enumerate(safe_members, 1):
             tar_ref.extract(member, abs_dest)
-            if report is not None:
-                report(i / total)
-        if report is not None:
-            report(1)
+            if progress is not None:
+                progress.update(i / total)
+        if progress is not None:
+            progress.update(1)
 
 
 def _zip_extract_all(
     data: io.BufferedIOBase,
     extract_dir: PathType = ".",
     progress_header: str | None = None,
-    progress: Callable[[float], None] | None = None,
 ):
     """
     Extract a ZIP archive to the specified directory.
@@ -401,7 +386,6 @@ def _zip_extract_all(
         data: File-like object containing the ZIP archive
         extract_dir: Directory to extract contents to
         progress_header: If set, show a progress bar with this header
-        progress: fraction callback (0..1, ends at 1.0); overrides progress_header
     """
     import zipfile
 
@@ -418,7 +402,9 @@ def _zip_extract_all(
         strip_prefix = f"{strip_root}/" if strip_root is not None else None
 
         total = len(all_members)
-        report = _resolve_progress(progress, progress_header, total > 0)
+        progress = (
+            ProgressBar(progress_header) if progress_header and total > 0 else None
+        )
 
         for i, member in enumerate(all_members, 1):
             # 1. Normalize name
@@ -451,10 +437,10 @@ def _zip_extract_all(
             # 6. Extract
             zip_ref.extract(member, extract_dir)
 
-            if report is not None:
-                report(i / total)
-        if report is not None:
-            report(1)
+            if progress is not None:
+                progress.update(i / total)
+        if progress is not None:
+            progress.update(1)
 
 
 def _rename_with_retry(
@@ -485,7 +471,6 @@ def _7z_extract_all(
     data: io.BufferedIOBase,
     extract_dir: PathType = ".",
     progress_header: str | None = None,
-    progress: Callable[[float], None] | None = None,
 ):
     """
     Extract a 7z archive to the specified directory.
@@ -500,7 +485,6 @@ def _7z_extract_all(
         data: File-like object containing the 7z archive (must be seekable)
         extract_dir: Directory to extract contents to
         progress_header: If set, show a progress bar with this header
-        progress: called with 1.0 on completion; overrides progress_header
     """
     import py7zr
 
@@ -539,15 +523,19 @@ def _7z_extract_all(
                     continue
                 safe_targets.append(raw)
 
-            report = _resolve_progress(progress, progress_header, bool(safe_targets))
+            progress = (
+                ProgressBar(progress_header)
+                if progress_header and safe_targets
+                else None
+            )
 
             if len(safe_targets) == len(all_names):
                 z.extractall(path=staging)
             else:
                 z.extract(path=staging, targets=safe_targets)
 
-            if report is not None:
-                report(1)
+            if progress is not None:
+                progress.update(1)
 
         src_root = staging / strip_root if strip_root else staging
         for item in src_root.iterdir():
@@ -578,7 +566,6 @@ def archive_extract_all(
     archive: PathType | io.RawIOBase | IO[bytes],
     extract_dir: PathType = ".",
     progress_header: str | None = None,
-    progress: Callable[[float], None] | None = None,
 ):
     """
     Extract an archive file to the specified directory.
@@ -587,7 +574,6 @@ def archive_extract_all(
         archive: Path to archive file or file-like object
         extract_dir: Directory to extract contents to
         progress_header: If set, show a progress bar with this header
-        progress: fraction callback (0..1, ends at 1.0); overrides progress_header
 
     Raises:
         TypeError: If archive is not a valid type
@@ -618,9 +604,7 @@ def archive_extract_all(
                 break
         if matched_fct is None:
             raise ValueError("Unsupported archive format")
-        matched_fct(
-            archive_ref, extract_dir, progress_header=progress_header, progress=progress
-        )
+        matched_fct(archive_ref, extract_dir, progress_header=progress_header)
 
 
 def _open_ranged(
@@ -784,17 +768,13 @@ def _stream_response_to_file(
 # hammering the host or the mirrors.
 BATCH_DOWNLOAD_WORKERS = 4
 
-# Concurrent archive extractions per batch; unpacking stops scaling well
-# before high core counts since the workers share one disk.
-BATCH_EXTRACT_WORKERS = 10
-
 
 def run_batch_downloads(
     header: str,
     jobs: list[tuple[str, int, Callable[[Callable[[int], None]], None]]],
     max_workers: int = BATCH_DOWNLOAD_WORKERS,
 ) -> list[tuple[str, BaseException]]:
-    """Run ``(name, size, fetch)`` jobs concurrently under one bar.
+    """Run ``(name, size, fetch)`` download jobs concurrently under one bar.
 
     Each ``fetch(tracker)`` reports absolute byte counts; the bar total is
     the sum of the sizes. Failures are returned after the bar is done so
@@ -969,26 +949,15 @@ def resume_fetch_job(
     return fetch
 
 
-def is_expected_fetch_error(err: BaseException) -> bool:
-    """Download failures the callers degrade on, vs programming errors."""
-    from esphome.core import EsphomeError  # local import avoids circular dependency
-
-    return isinstance(err, (EsphomeError, OSError))
-
-
-def warn_batch_failures(
+def warn_prefetch_failures(
     failures: list[tuple[str, BaseException]],
     message: str = "Could not prefetch %s: %s",
 ) -> None:
-    """Warn per failed batch job, keeping the traceback of unexpected errors."""
+    """Warn per failed batch-prefetch job; the caller's installer retries them."""
     for name, err in failures:
         # failure_reason: a message-less exception must not log blank
-        if is_expected_fetch_error(err):
-            _LOGGER.warning(message, name, failure_reason(err))
-            _LOGGER.debug("Failure detail", exc_info=err)
-        else:
-            # A programming error must not be reduced to a bare message
-            _LOGGER.warning(message, name, failure_reason(err), exc_info=err)
+        _LOGGER.warning(message, name, failure_reason(err))
+        _LOGGER.debug("Prefetch failure detail", exc_info=err)
 
 
 def download_with_resume(

esphome/platformio/library.py

@@ -35,7 +35,7 @@ from esphome.framework_helpers import (
     failure_reason,
     rmdir,
     run_batch_downloads,
-    warn_batch_failures,
+    warn_prefetch_failures,
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -74,11 +74,6 @@ SOURCE_KIND_FOR_SUFFIX: dict[str, str] = {
     ".ASM": "asm",
 }
 SRC_FILE_EXTENSIONS = list(SOURCE_KIND_FOR_SUFFIX)
-# Suffixes that count as headers when probing whether a library has any
-# usable files at all (compare against Path.suffix.lower())
-LIBRARY_HEADER_SUFFIXES = frozenset(
-    {".h", ".hpp", ".hh", ".hxx", ".inc", ".ipp", ".tcc"}
-)
 
 DOMAIN = "pio_components"
 
@@ -334,11 +329,6 @@ class LibraryBackend:
     framework: str
     emit: Callable[["ConvertedLibrary"], None]
     cache_key: str
-    # Owner-less names this returns True for are skipped by the walk;
-    # the backend supplies them itself (e.g. core-bundled libraries) and
-    # reconciles provided_requests after resolving
-    provides: Callable[[str], bool] | None = None
-    provided_requests: set[str] = field(default_factory=set)
 
 
 def ensure_list[T](obj: T | list[T]) -> list[T]:
@@ -479,7 +469,7 @@ def _valid_manifest_shape(data: Any) -> bool:
     )
 
 
-def check_library_data(data: dict, platform: str | None, framework: str | None):
+def check_library_data(data: dict, platform: str | None, framework: str):
     """
     Check whether a library manifest is compatible with the target toolchain.
 
@@ -496,8 +486,7 @@ def check_library_data(data: dict, platform: str | None, framework: str | None):
             for targets (e.g. Zephyr) where PIO manifests rarely declare the
             platform yet portable libraries still build.
         framework: The active framework name (e.g. ``espidf``, ``arduino``,
-            ``zephyr``) the manifest is expected to declare. ``None`` skips
-            the framework check (and its warning), mirroring ``platform``.
+            ``zephyr``) the manifest is expected to declare.
 
     Raises:
         InvalidLibrary: If the library does not support the target platform.
@@ -528,7 +517,7 @@ def check_library_data(data: dict, platform: str | None, framework: str | None):
     # under the target framework, and there's no way to opt out of the check at
     # this layer. Warn instead of failing so the user isn't forced to fork the
     # library to fix the manifest.
-    valid_framework = framework is None or "*" in frameworks or framework in frameworks
+    valid_framework = "*" in frameworks or framework in frameworks
 
     if not valid_framework:
         _LOGGER.warning(
@@ -925,56 +914,6 @@ def is_lib_ignored(name: str | None, lib_ignore: set[str]) -> bool:
     )
 
 
-def _reconcile_versionless_skips(
-    skipped_versionless: list[tuple[Any, Any, str]],
-    components: dict[str, ConvertedLibrary],
-    backend: LibraryBackend,
-) -> None:
-    """Warn for version-less deps nothing satisfied, and record the
-    backend-provided ones in ``backend.provided_requests`` for its
-    post-emit reconciliation; a silent drop surfaces as link errors far
-    from the cause."""
-    resolved_manifest_names = {c.data.get("name") for c in components.values()}
-    # A treeless backend can never supply a bundled name; noise for it
-    log = _LOGGER.warning if backend.provides is not None else _LOGGER.debug
-    warned: set[str] = set()
-    for dep_name, dep_owner, requester in skipped_versionless:
-        if not isinstance(dep_name, str) or not dep_name or dep_name in warned:
-            continue
-        if dep_name in components:
-            # A version-less dep's request key is the name itself
-            continue
-        if (
-            not dep_owner
-            and backend.provides is not None
-            and backend.provides(dep_name)
-        ):
-            # provides() only satisfies owner-less names (same guard as
-            # the walk's skip); record for the post-emit reconciliation.
-            # Checked before the manifest-name evidence so the overlap
-            # case warns once, in the backend's own suppression loop
-            backend.provided_requests.add(dep_name)
-            continue
-        if dep_name in resolved_manifest_names:
-            # Name-only evidence: a coincidental collision must stay
-            # visible where the user could pin it
-            warned.add(dep_name)
-            log(
-                "Version-less dependency %s of %s assumed satisfied by a "
-                "resolved library's manifest name only",
-                dep_name,
-                requester,
-            )
-            continue
-        warned.add(dep_name)
-        log(
-            "Dependency %s of %s has no version to resolve and nothing "
-            "provides it; skipping",
-            dep_name,
-            requester,
-        )
-
-
 def _fetch_source(
     component: ConvertedLibrary,
     salt: str,
@@ -1040,7 +979,7 @@ def _prefetch_wave(
             ],
         )
         # The sequential call below retries and raises the real error
-        warn_batch_failures(
+        warn_prefetch_failures(
             failures, "Prefetch of %s failed (retrying sequentially): %s"
         )
     except Exception as err:  # noqa: BLE001  # pylint: disable=broad-exception-caught
@@ -1144,8 +1083,6 @@ def convert_libraries(
     components: dict[str, ConvertedLibrary] = {}
     resolved_requirements: dict[str, frozenset[str]] = {}
     top_level_keys = set(top_level)
-    # (name, owner, requester) reconciled against the final resolution set
-    skipped_versionless: list[tuple[Any, Any, str]] = []
     worklist = deque(dict.fromkeys(top_level))
     while worklist:
         # Drain the frontier sequentially (spec resolution mutates shared
@@ -1250,23 +1187,13 @@ def convert_libraries(
                 component.data.get("dependencies"), component.name
             ):
                 if "version" not in dependency:
-                    # Cannot resolve from the registry; the post-emit
-                    # reconciliation owns the drop warning
-                    dep_name = dependency.get("name")
+                    # Cannot resolve from the registry; common for bundled
+                    # names (Wire, SPI) -- unactionable noise above debug
                     _LOGGER.debug(
                         "Skip version-less dependency %r of %s",
-                        dep_name,
+                        dependency.get("name"),
                         component.name,
                     )
-                    if not is_lib_ignored(
-                        dep_name, lib_ignore
-                    ) and dependency_is_usable(
-                        dependency, backend.platform, backend.framework, component.name
-                    ):
-                        # Filtered or ignored deps are deliberately absent
-                        skipped_versionless.append(
-                            (dep_name, dependency.get("owner"), component.name)
-                        )
                     continue
                 if not dependency_is_usable(
                     dependency, backend.platform, backend.framework, component.name
@@ -1278,31 +1205,11 @@ def convert_libraries(
                 if is_lib_ignored(dep_name, lib_ignore):
                     _LOGGER.debug("Skip ignored dependency %s", dep_name)
                     continue
-                # The version may be a URL (git/archive), which names one
-                # specific source; never substitute a bundled library for it
+                # The version field may actually be a URL (git/archive dependency).
                 dep_version = dependency["version"]
                 dep_url = _url_or_none(dep_version)
                 if dep_url is not None:
                     dep_version = None
-                elif (
-                    backend.provides is not None
-                    and not dependency.get("owner")
-                    and backend.provides(dep_name)
-                ):
-                    # The backend adds it from its own tree; resolving here
-                    # would fetch a same-named registry package
-                    if dep_version and dep_version != "*":
-                        # The pin is discarded; make the substitution visible
-                        _LOGGER.warning(
-                            "Dependency %s pins version %s; using the library "
-                            "bundled with the framework instead",
-                            dep_name,
-                            dep_version,
-                        )
-                    else:
-                        _LOGGER.debug("Skip backend-provided dependency %s", dep_name)
-                    backend.provided_requests.add(dep_name)
-                    continue
                 dep_key = add_spec(dep_name, dep_version, dep_url)
                 node.edges.add(dep_key)
                 worklist.append(dep_key)
@@ -1356,6 +1263,4 @@ def convert_libraries(
     for component in components.values():
         backend.emit(component)
 
-    _reconcile_versionless_skips(skipped_versionless, components, backend)
-
     return [components[key] for key in top_level if key in components]

esphome/platformio/pch.py.script

@@ -1,416 +0,0 @@
-import hashlib
-import os
-from pathlib import Path
-import posixpath
-import re
-import shlex
-import stat
-import subprocess
-import traceback
-
-# pylint: disable=E0602
-Import("env")  # noqa: F821
-_projenv_error = None
-try:
-    Import("projenv")  # noqa: F821
-except Exception as err:  # noqa: BLE001 -- not exported under -t nobuild
-    projenv = None
-    _projenv_error = err
-
-# Precompile the src force-includes plus defines.h and force-include the
-# result into C++ src compiles only; their preprocessed output is unchanged.
-# Registration is gated host-side (pch_enabled()). Keep the closure, ccache
-# values, probe flow, stamp flow, and env-knob spellings in sync with
-# build_helpers/pch.py.
-
-# Compiler failures that clear on their own must not latch the .failed marker
-_TRANSIENT_ERRORS = ("No space left", "Cannot allocate", "Resource temporarily")
-
-# Keep in sync with helpers.TRUTHY_ENV_STRINGS / FALSY_ENV_STRINGS
-_TRUTHY = ("1", "true", "yes", "on", "enable")
-_FALSY = ("", "0", "false", "no", "off", "disable")
-_STRICT_RAW = os.environ.get("ESPHOME_PCH_STRICT")
-_STRICT_VALUE = (_STRICT_RAW or "").strip().lower()
-_STRICT = _STRICT_VALUE in _TRUTHY
-if _STRICT_RAW is not None and _STRICT_VALUE not in _TRUTHY + _FALSY:
-    # A typo must not silently turn the gate into a no-op
-    raise RuntimeError(f"Unrecognized ESPHOME_PCH_STRICT={_STRICT_RAW!r}; use 1 or 0")
-
-_INCLUDE_RE = re.compile(rb'^\s*#\s*include\s+["<]([^">]+)[">]', re.MULTILINE)
-_CORE_HEADER = "esphome/core/defines.h"
-
-
-def _raise_walk_error(err: OSError) -> None:
-    raise err
-
-
-def _resolves_dir(path: Path) -> bool:
-    """False when missing; other stat failures propagate."""
-    try:
-        return stat.S_ISDIR(path.stat().st_mode)
-    except (FileNotFoundError, NotADirectoryError):
-        return False
-
-
-def _resolves(path: Path) -> bool:
-    """False when missing; other stat failures propagate (identity unknown)."""
-    try:
-        return stat.S_ISREG(path.stat().st_mode)
-    except (FileNotFoundError, NotADirectoryError):
-        return False
-
-
-def _include_closure(src_dir: Path, roots: list) -> dict:
-    """Quoted-include closure: src-relative name -> contents (mirror of
-    build_helpers/pch.py)."""
-    seen = {}
-    stack = [(name, "") for name in roots]
-    while stack:
-        name, from_dir = stack.pop()
-        for candidate in (f"{from_dir}/{name}" if from_dir else name, name):
-            rel = posixpath.normpath(candidate)
-            if not rel.startswith("..") and _resolves(src_dir / rel):
-                break
-        else:
-            continue
-        if rel in seen:
-            continue
-        try:
-            data = (src_dir / rel).read_bytes()
-        except OSError as err:
-            # A marker would truncate the transitive walk; fail closed
-            print(f"ESPHome: could not read {rel} for the pch checksum: {err}")
-            raise
-        seen[rel] = data
-        parent = posixpath.dirname(rel)
-        stack.extend(
-            (inc.decode(errors="surrogateescape"), parent)
-            for inc in _INCLUDE_RE.findall(data)
-        )
-    return seen
-
-
-def _shell_arg(element) -> str | None:
-    """One compiler argv from one SCons element, matching the real spawn:
-    spaced elements pass whole, the rest get one shell unquote (skipped on
-    Windows, where shlex would eat path backslashes)."""
-    arg = str(element)
-    if " " in arg or os.name == "nt":
-        return arg.replace('\\"', '"')
-    if not arg.strip():
-        return arg
-    try:
-        tokens = shlex.split(arg)
-    except ValueError as err:
-        print(f"ESPHome: could not lex flag {arg!r} for the pch: {err}")
-        return None
-    if len(tokens) != 1:
-        # A flag the model cannot reproduce would diverge the .gch's flags
-        print(f"ESPHome: cannot model flag {arg!r} for the pch")
-        return None
-    return tokens[0]
-
-
-def _compile_gch(cxx, flags, header: Path, gch: Path, proj_dir: Path):
-    """Compile the .gch, then probe that the toolchain can load it back
-    (GCC 10 on macOS arm64 rejects its own per-process). Returns an error
-    string or None; OSError propagates as transient."""
-    result = subprocess.run(  # noqa: PLW1510
-        [cxx, "-x", "c++-header", *flags, "-c", str(header), "-o", str(gch)],
-        cwd=proj_dir,
-        # C locale keeps diagnostics matchable by _TRANSIENT_ERRORS
-        env={**os.environ, "LC_ALL": "C"},
-        capture_output=True,
-        text=True,
-    )
-    if result.returncode < 0:
-        # Signal-killed (OOM, ^C): route to the transient no-marker path
-        raise OSError(f"compiler killed by signal {-result.returncode}")
-    if result.returncode != 0:
-        return result.stderr
-    return _probe_gch(cxx, flags, header, proj_dir)
-
-
-def _probe_run(cxx, flags, extra, proj_dir: Path):
-    probe = subprocess.run(  # noqa: PLW1510
-        [cxx, *flags, *extra, "-fsyntax-only", "-x", "c++", "-"],
-        cwd=proj_dir,
-        env={**os.environ, "LC_ALL": "C"},
-        input="",
-        capture_output=True,
-        text=True,
-    )
-    if probe.returncode < 0:
-        raise OSError(f"probe killed by signal {-probe.returncode}")
-    return probe
-
-
-def _probe_gch(cxx, flags, header: Path, proj_dir: Path):
-    """Load-check an existing .gch; error string or None. Rejection must
-    be a nonzero exit (keep in sync with pch_probe_args); a baseline run
-    without the pch keeps environmental failures from being blamed on it."""
-    # -MF is only legal alongside a dependency flag; pass it solely to
-    # redirect a depfile that -MD/-MMD in the flags would otherwise write
-    dep_redirect = (
-        ["-MF", os.devnull]
-        if any(f in ("-MD", "-MMD", "-M", "-MM") for f in flags)
-        else []
-    )
-    probe = _probe_run(
-        cxx,
-        flags,
-        [*dep_redirect, "-Winvalid-pch", "-Werror=invalid-pch", "-include", str(header)],
-        proj_dir,
-    )
-    if probe.returncode == 0:
-        return None
-    baseline = _probe_run(cxx, flags, dep_redirect, proj_dir)
-    if baseline.returncode != 0:
-        # Deterministic and latchable; the transient filter at the caller
-        # keeps resource exhaustion from latching
-        return f"probe cannot run at all: {baseline.stderr.strip()[:200]}"
-    return f"toolchain cannot load the pch: {probe.stderr.strip()}"
-
-
-def _read_stamp(path: Path) -> str:
-    """A corrupt sidecar must read as stale, not kill the pch forever."""
-    try:
-        return path.read_text(encoding="utf-8").strip()
-    except (OSError, UnicodeDecodeError):
-        return ""
-
-
-def _setup_pch() -> bool | None:
-    if projenv is None:
-        print(f"ESPHome: projenv unavailable ({_projenv_error}); skipping pch")
-        try:
-            from SCons.Script import COMMAND_LINE_TARGETS
-        except ImportError:
-            # No SCons is an anomaly under PlatformIO: the unknown state
-            # must not read as success (strict decides fatality at the gate)
-            return False
-        # Expected under -t nobuild (nothing compiles); a missing
-        # projenv on a real compile must not pass strict
-        return "nobuild" in [str(t) for t in COMMAND_LINE_TARGETS]
-    # Project root: SCons compiles run here, so the relative -include
-    # resolves; an absolute path would break cross-device ccache sharing.
-    proj_dir = Path(env.subst("$PROJECT_DIR"))  # noqa: F821
-    src_dir = Path(env.subst("$PROJECT_SRC_DIR"))  # noqa: F821
-    header = proj_dir / "esphome_pch.h"
-    gch = Path(f"{header}.gch")
-    sum_path = Path(f"{gch}.sum")
-
-    cxx = projenv.subst("$CXX")  # noqa: F821
-    # The header holds the -include entries itself, so the .gch compile must
-    # not see them; consumers keep theirs, which the .gch then satisfies.
-    flags = []
-    include_headers = []
-    raw_args = [
-        _shell_arg(element)
-        for element in projenv.subst_list("$CXXFLAGS $CCFLAGS $_CCCOMCOM")[0]  # noqa: F821
-    ]
-    if any(arg is None for arg in raw_args):
-        print("ESPHome: skipping precompiled header: unmodelable flag")
-        return
-    flag_it = iter(raw_args)
-    for tok in flag_it:
-        if tok == "-include":
-            include_headers.append(next(flag_it, ""))
-        elif tok.startswith("-include") and not tok.startswith("-include-"):
-            include_headers.append(tok[len("-include") :])
-        else:
-            flags.append(tok)
-    if any(not name for name in include_headers):
-        print("ESPHome: build_src_flags has a trailing -include; skipping pch")
-        return
-    # Fold only relative names resolving under src/: consumers keep their
-    # own -include entries, so folding an unguarded user header would
-    # include it twice; unfolded ones stay consumer-only.
-    try:
-        folded = [
-            name
-            for name in include_headers
-            if not Path(name).is_absolute() and _resolves(src_dir / name)
-        ]
-    except OSError as err:
-        print(f"ESPHome: skipping precompiled header: {err}")
-        return
-    if unfolded := [n for n in include_headers if n not in folded]:
-        print(f"ESPHome: not precompiling non-src force-includes: {unfolded}")
-    content = "".join(f'#include "{name}"\n' for name in (*folded, _CORE_HEADER))
-
-    digest = hashlib.sha256()
-    digest.update(content.encode(errors="surrogateescape"))
-    digest.update(cxx.encode(errors="surrogateescape"))
-    # Mirror CCACHE_BASEDIR: strip the per-device build path so identical
-    # configs produce identical .sum files and share cache entries
-    flags_id = " ".join(flags)
-    if basedir := os.environ.get("CCACHE_BASEDIR"):
-        flags_id = flags_id.replace(basedir, "")
-    digest.update(flags_id.encode(errors="surrogateescape"))
-    # GCC never validates a .gch against its source headers, and PlatformIO
-    # package paths carry no version, so a package bump must invalidate here
-    platform = env.PioPlatform()  # noqa: F821
-    for package in sorted(platform.packages):
-        try:
-            version = platform.get_package_version(package)
-        except KeyError:
-            # An unresolved manifest must not hash as a constant
-            if platform.get_package(package) is not None:
-                print(f"ESPHome: skipping precompiled header: no version for {package}")
-                return
-            version = None  # absent optional package
-        except Exception as err:  # noqa: BLE001
-            # No trustworthy package identity: a stale .gch could survive
-            print(f"ESPHome: skipping precompiled header: {err}")
-            return
-        digest.update(f"{package}={version}".encode())
-        digest.update(b"\0")
-    try:
-        closure = _include_closure(src_dir, [*folded, _CORE_HEADER])
-    except OSError as err:
-        print(f"ESPHome: skipping precompiled header: {err}")
-        return
-    for rel in sorted(closure):
-        digest.update(rel.encode(errors="surrogateescape"))
-        digest.update(closure[rel])
-        digest.update(b"\0")
-    # Project-local -I dirs (e.g. rp2's lwip_override) hold generated
-    # headers the src closure cannot see; hash them too
-    prev = ""
-    try:
-        for tok in flags:
-            inc = tok[2:] if tok.startswith("-I") and len(tok) > 2 else ""
-            if prev == "-I":
-                inc = tok
-            prev = tok
-            if not inc:
-                continue
-            inc_dir = Path(inc)
-            if not (
-                _resolves_dir(inc_dir)
-                and inc_dir.is_relative_to(proj_dir)
-                and not inc_dir.is_relative_to(src_dir)
-                # Library trees never enter the prefix closure; walking them
-                # would read every library file each build
-                and not inc_dir.is_relative_to(proj_dir / ".piolibdeps")
-                and not inc_dir.is_relative_to(proj_dir / ".pioenvs")
-            ):
-                continue
-            local_headers = []
-            # os.walk with onerror: rglob would swallow unlistable subtrees
-            for root, _dirs, files in os.walk(inc_dir, onerror=_raise_walk_error):
-                local_headers.extend(
-                    Path(root) / f
-                    for f in files
-                    if f.endswith((".h", ".hpp", ".hh", ".inc"))
-                )
-            for local in sorted(local_headers):
-                digest.update(str(local.relative_to(proj_dir)).encode())
-                digest.update(local.read_bytes())
-                digest.update(b"\0")
-    except OSError as err:
-        print(f"ESPHome: skipping precompiled header: {err}")
-        return
-    checksum = digest.hexdigest()
-
-    # The ccache .sum sidecar doubles as the freshness stamp
-    fresh = (
-        header.is_file()
-        and gch.is_file()
-        and sum_path.is_file()
-        and (_read_stamp(sum_path) == checksum)
-    )
-    if fresh and _STRICT:
-        # Rejection is per-process: strict re-proves a cached .gch loads
-        # (mirrors the pch_strict() re-probe in build_helpers/pch.py)
-        error = _probe_gch(cxx, flags, header, proj_dir)
-        if error is not None:
-            print(f"ESPHome: {error}")
-            gch.unlink(missing_ok=True)
-            sum_path.unlink(missing_ok=True)
-            return
-    if not fresh:
-        failed_marker = Path(f"{gch}.failed")
-        if _read_stamp(failed_marker) == checksum:
-            print(
-                "ESPHome: skipping precompiled header (previous attempt "
-                f"failed); delete {failed_marker.name} to retry"
-            )
-            return
-        header.write_text(content, encoding="utf-8")
-        try:
-            error = _compile_gch(cxx, flags, header, gch, proj_dir)
-        except OSError as err:
-            # Transient spawn/IO failure: no marker, retry next build
-            print(f"ESPHome: precompiled header compile did not run: {err}")
-            gch.unlink(missing_ok=True)
-            sum_path.unlink(missing_ok=True)
-            return
-        if error is not None:
-            print("ESPHome: precompiled header failed; compiling without it")
-            print(error)
-            gch.unlink(missing_ok=True)
-            sum_path.unlink(missing_ok=True)
-            if any(m in error for m in _TRANSIENT_ERRORS):
-                # Resource exhaustion clears on its own; retry next build
-                return
-            # Skip retries until a flag/header/platform change alters the checksum
-            failed_marker.write_text(checksum + "\n", encoding="utf-8")
-            return
-        failed_marker.unlink(missing_ok=True)
-        sum_path.write_text(checksum + "\n", encoding="utf-8")
-
-    # Computed first so the flags and env land together: a raise between
-    # them would leave a pch-consuming build without its ccache settings.
-    # projenv["ENV"] aliases os.environ, so these reach all TUs; only
-    # time_macros affects non-pch TUs. User values win.
-    ccache_updates = {
-        key: value
-        for key, value in (
-            ("CCACHE_SLOPPINESS", "pch_defines,time_macros"),
-            ("CCACHE_PCH_EXTSUM", "true"),
-        )
-        if key not in os.environ
-    }
-    sloppiness = os.environ.get("CCACHE_SLOPPINESS")
-    if sloppiness is not None:
-        tokens = {tok.strip() for tok in sloppiness.split(",")}
-        missing = [t for t in ("pch_defines", "time_macros") if t not in tokens]
-        if missing:
-            # Without these ccache declines every pch-consuming compile
-            ccache_updates["CCACHE_SLOPPINESS"] = ",".join((sloppiness, *missing))
-            print(f"ESPHome: adding {','.join(missing)} to CCACHE_SLOPPINESS for the pch")
-    extsum = os.environ.get("CCACHE_PCH_EXTSUM")
-    if extsum is not None and extsum.strip().lower() not in ("1", "true", "yes", "on"):
-        # ccache then hashes the non-reproducible .gch bytes: permanent misses
-        print(f"ESPHome: CCACHE_PCH_EXTSUM={extsum} disables pch caching")
-    # Prepended: GCC only uses a .gch while no other tokens precede it.
-    # The relative name also reaches "pio run -t idedata" output.
-    # -Wno-error: the per-process probe can pass while a later cc1plus
-    # rejects the .gch; that must stay a warning under user -Werror.
-    projenv.Prepend(  # noqa: F821
-        CXXFLAGS=[
-            "-Winvalid-pch",
-            # Strict inverts: a per-process consumer rejection reds the build
-            "-Werror=invalid-pch" if _STRICT else "-Wno-error=invalid-pch",
-            "-include",
-            header.name,
-        ]
-    )
-    projenv["ENV"].update(ccache_updates)  # noqa: F821
-    print("ESPHome: Compiling with precompiled header")
-    return True
-
-
-
-try:
-    _used = _setup_pch()
-except Exception:  # noqa: BLE001 -- a speedup must never break the build
-    if _STRICT:
-        raise
-    print("ESPHome: pch internal error; compiling without it")
-    traceback.print_exc()
-else:
-    if _STRICT and not _used:
-        raise RuntimeError("ESPHOME_PCH_STRICT: precompiled header was not used")

esphome/platformio/prefetch.py

@@ -32,13 +32,12 @@ import time
 from typing import Any, NamedTuple
 
 from esphome.framework_helpers import (
-    BATCH_EXTRACT_WORKERS,
     content_length,
     discard_partial_download,
     failure_reason,
     resume_fetch_job,
     run_batch_downloads,
-    warn_batch_failures,
+    warn_prefetch_failures,
 )
 from esphome.helpers import get_bool_env, get_usable_cpu_count, rmtree
 
@@ -682,7 +681,7 @@ def _preinstall(
     would hang, not fail). Waves skip dependencies; the installed
     manifests feed the next wave. Any failure falls back to pio run.
     """
-    workers = min(get_usable_cpu_count(), len(entries), BATCH_EXTRACT_WORKERS)
+    workers = min(get_usable_cpu_count(), len(entries))
     # One manager per worker (_install mutates instance state); built
     # serially because construction rewires the shared manager logger
     managers: SimpleQueue = SimpleQueue()
@@ -877,7 +876,7 @@ def _prefetch(build_dir: Path, env: str) -> None:
         )
         # PlatformIO retries failed packages itself, without resume
         failures = run_batch_downloads("Downloading PlatformIO packages", jobs)
-        warn_batch_failures(failures)
+        warn_prefetch_failures(failures)
         failed_names = {name for name, _ in failures}
     elif not groups and not unresolved:
         # Record the no-work run so the parent skips the next spawn.

esphome/platformio/registry.py

@@ -14,16 +14,12 @@ from typing import NamedTuple
 
 from esphome.core import EsphomeError
 from esphome.framework_helpers import (
-    BATCH_EXTRACT_WORKERS,
     archive_extract_all,
     download_from_mirrors,
     download_with_resume,
-    is_expected_fetch_error,
     rmdir,
     run_batch_downloads,
-    warn_batch_failures,
 )
-from esphome.helpers import get_usable_cpu_count
 from esphome.net_retry import fetch_with_retry, http_request
 
 _LOGGER = logging.getLogger(__name__)
@@ -164,14 +160,6 @@ def _check_layout(name: str, dest: Path, expect: Collection[str]) -> None:
             )
 
 
-# (name, version, dest, mirrors, expect) as accepted by install_packages
-PackageSpec = tuple[str, str, Path, list[str], Collection[str]]
-
-
-def _archive_path(downloads_dir: Path, name: str, version: str) -> Path:
-    return downloads_dir / f"{name}-{version}"
-
-
 class _PendingArchive(NamedTuple):
     name: str
     version: str
@@ -186,26 +174,6 @@ def _already_installed(dest: Path) -> bool:
     return (dest / ".esphome_extracted").is_file()
 
 
-def _batched_download_progress(
-    name: str, version: str, size: int | None, extract_progress: Callable[[float], None]
-) -> Callable[[int], None]:
-    """Download tracker for a batched install: no private bar, no bytes (the
-    shared bar must never run backwards); the zero tick keeps cancellation
-    observable and a real refetch is announced once."""
-    announced = False
-
-    def progress(done: int) -> None:
-        nonlocal announced
-        # size-less registry entries still announce: streaming starts at
-        # done=0, while a verify no-op credits the full file in one tick
-        if not announced and done < (size or 1):
-            _LOGGER.info("Re-downloading %s %s ...", name, version)
-            announced = True
-        extract_progress(0.0)
-
-    return progress
-
-
 def prefetch_packages(
     packages: list[tuple[str, str, Path, list[str]]], downloads_dir: Path
 ) -> None:
@@ -274,7 +242,7 @@ def prefetch_packages(
         [(entry.name, entry.size, partial(_fetch, entry)) for entry in pending],
     )
     for name, err in failures:
-        if is_expected_fetch_error(err):
+        if isinstance(err, (EsphomeError, OSError)):
             # Expected download failures: install_package retries this one
             # itself, with a visible bar
             _LOGGER.debug("Prefetch of %s failed: %s", name, err)
@@ -291,7 +259,6 @@ def install_package(
     mirrors: list[str],
     downloads_dir: Path,
     expect: Collection[str],
-    extract_progress: Callable[[float], None] | None = None,
 ) -> None:
     """Download, verify, and extract one package if not already installed.
 
@@ -299,9 +266,6 @@ def install_package(
     publishes; a mirror override (URL templates with ``{VERSION}``/``{SYSTEM}``
     substitution) is trusted as configured. ``downloads_dir`` holds the
     archive between runs so an interrupted download resumes.
-
-    ``extract_progress`` receives extraction fractions in [0, 1] instead of
-    the private per-file bars (see ``install_packages``).
     """
     if not expect:
         # Layout validation before marker.touch() is the only guard against
@@ -324,15 +288,8 @@ def install_package(
         rmdir(dest, msg=f"Clean up incomplete {name} install")
         # Persistent location so an interrupted download resumes across runs.
         downloads_dir.mkdir(parents=True, exist_ok=True)
-        archive = _archive_path(downloads_dir, name, version)
-        # Batch header names each package; keep INFO when an archive
-        # unexpectedly needs a real download (the shared bar won't move)
-        log = (
-            _LOGGER.debug
-            if extract_progress is not None and archive.is_file()
-            else _LOGGER.info
-        )
-        log("Downloading %s %s ...", name, version)
+        archive = downloads_dir / f"{name}-{version}"
+        _LOGGER.info("Downloading %s %s ...", name, version)
         if mirrors:
             _LOGGER.warning(
                 "Downloading %s from a mirror override; checksum verification "
@@ -344,85 +301,11 @@ def install_package(
             )
         else:
             url, sha256, size = registry_download(name, version)
-            download_with_resume(
-                url,
-                archive,
-                sha256=sha256,
-                size=size,
-                progress=None
-                if extract_progress is None
-                else _batched_download_progress(name, version, size, extract_progress),
-            )
-        log("Extracting %s ...", name)
-        archive_extract_all(
-            archive, dest, progress_header="Extracting", progress=extract_progress
-        )
+            download_with_resume(url, archive, sha256=sha256, size=size)
+        _LOGGER.info("Extracting %s ...", name)
+        archive_extract_all(archive, dest, progress_header="Extracting")
         # Validate the layout before recording success, so an unexpected
         # package is never cached as a working install.
         _check_layout(name, dest, expect)
         marker.touch()
         archive.unlink(missing_ok=True)
-
-
-def install_packages(specs: Collection[PackageSpec], downloads_dir: Path) -> None:
-    """Install several packages; prefetched archives extract in parallel under
-    one shared bar, the rest take the sequential ``install_package`` path.
-    The first failure is re-raised."""
-    pending: list[tuple[PackageSpec, int]] = []
-    rest: list[PackageSpec] = []
-    seen: set[str] = set()
-    for spec in specs:
-        name, version, dest, mirrors, _expect = spec
-        archive = _archive_path(downloads_dir, name, version)
-        # Duplicate entries share one archive and would race each other
-        # between two workers; mirror prefetch_packages' dedupe
-        if _already_installed(dest) or mirrors or archive.name in seen:
-            rest.append(spec)
-            continue
-        try:
-            # An archive at its final name already passed sha256/size
-            # verification
-            size = archive.stat().st_size
-        except FileNotFoundError:
-            rest.append(spec)
-            continue
-        seen.add(archive.name)
-        pending.append((spec, size))
-    if len(pending) < 2:
-        for name, version, dest, mirrors, expect in specs:
-            install_package(name, version, dest, mirrors, downloads_dir, expect=expect)
-        return
-    workers = min(get_usable_cpu_count(), len(pending), BATCH_EXTRACT_WORKERS)
-    _LOGGER.info(
-        "Extracting %d package archive(s) with %d worker(s): %s",
-        len(pending),
-        workers,
-        ", ".join(spec[0] for spec, _ in pending),
-    )
-
-    def _install(spec: PackageSpec, size: int, tracker: Callable[[int], None]) -> None:
-        name, version, dest, mirrors, expect = spec
-        install_package(
-            name,
-            version,
-            dest,
-            mirrors,
-            downloads_dir,
-            expect=expect,
-            extract_progress=lambda frac: tracker(int(frac * size)),
-        )
-
-    failures = run_batch_downloads(
-        "Extracting packages",
-        [(spec[0], size, partial(_install, spec, size)) for spec, size in pending],
-        max_workers=workers,
-    )
-    if failures:
-        # Warn on the first failure too: the raised exception's message may
-        # not name which package failed
-        warn_batch_failures(failures, "Could not install %s: %s")
-        raise failures[0][1]
-    # Sequential remainder after the batch, so a duplicate spec cannot
-    # unlink the archive its batched twin was sized from
-    for name, version, dest, mirrors, expect in rest:
-        install_package(name, version, dest, mirrors, downloads_dir, expect=expect)

esphome/platformio/toolchain.py

@@ -289,15 +289,6 @@ def copy_ccache_script() -> None:
     )
 
 
-def copy_pch_script() -> None:
-    """Copy the shared precompiled-header SCons post-script into the build
-    dir; platform components pair it with ``post:pch.py`` in extra_scripts."""
-    copy_file_if_changed(
-        Path(__file__).parent / "pch.py.script",
-        CORE.relative_build_path("pch.py"),
-    )
-
-
 def default_libdeps_dir() -> str:
     """The PLATFORMIO_LIBDEPS_DIR value a pio run defaults to; the package
     prefetch must resolve installed libraries against the same dir."""

esphome/writer.py

@@ -7,7 +7,6 @@ import re
 import time
 
 from esphome import loader
-from esphome.build_helpers.pch import PCH_ARTIFACT_NAMES, PCH_PREFIX_HEADER
 from esphome.compiled_config import save_compiled_config
 from esphome.config import iter_component_configs, iter_components
 from esphome.const import (
@@ -247,7 +246,6 @@ def copy_src_tree():
         Path(
             "esphome/core/ring_buffer.h"
         ),  # moved to components/ring_buffer/, removed in 2026.11.0
-        Path(PCH_PREFIX_HEADER),  # build machinery, not user API
     }
     include_l = []
     for target, _ in source_files_l:
@@ -611,20 +609,11 @@ def clean_build(clear_pio_cache: bool = True, *, full: bool = False):
             if idf_path.is_dir():
                 _LOGGER.info("Deleting %s", idf_path)
                 rmtree(idf_path)
-        # The PlatformIO pch artifacts live at the project root so the
-        # relative -include resolves; a partial clean must drop them too
-        for name in PCH_ARTIFACT_NAMES:
-            CORE.relative_build_path(name).unlink(missing_ok=True)
 
-    # The idedata caches are derived from the build but live under the data
-    # dir, not the build path, so they must be removed separately in both
-    # modes. Globbed (name.json plus name.<backend>.json) so a future
-    # backend suffix cannot silently drift out of clean-all.
-    idedata_dir = CORE.relative_internal_path("idedata")
-    for idedata_cache in (
-        *idedata_dir.glob(f"{CORE.name}.json"),
-        *idedata_dir.glob(f"{CORE.name}.*.json"),
-    ):
+    # The idedata cache is derived from the build but lives under the data dir,
+    # not the build path, so it must be removed separately in both modes.
+    idedata_cache = CORE.relative_internal_path("idedata", f"{CORE.name}.json")
+    if idedata_cache.is_file():
         _LOGGER.info("Deleting %s", idedata_cache)
         idedata_cache.unlink()
 

script/determine-jobs.py

@@ -50,7 +50,6 @@ from __future__ import annotations
 
 import argparse
 from collections import Counter
-from collections.abc import Callable
 from enum import StrEnum
 from functools import cache
 import json
@@ -504,51 +503,25 @@ ESP32_PLATFORMIO_TRIGGER_PATH_PREFIXES = ("esphome/platformio/",)
 #   - esphome/build_gen/platformio.py -- the PlatformIO build generator
 #   - script/test_build_components.py -- the harness the job invokes
 #   - .github/workflows/ci.yml -- the job's own definition
-# Shared by every toolchain smoke-test job: the harness it invokes and the
-# workflow that defines it
-_SMOKE_HARNESS_TRIGGER_FILES = frozenset(
+ESP32_PLATFORMIO_TRIGGER_FILES = frozenset(
     {
+        "esphome/build_gen/platformio.py",
         "script/test_build_components.py",
         ".github/workflows/ci.yml",
     }
 )
 
-ESP32_PLATFORMIO_TRIGGER_FILES = _SMOKE_HARNESS_TRIGGER_FILES | {
-    "esphome/build_gen/platformio.py",
-    # The pch machinery the strict smoke job polices, and the modules it
-    # imports; the rest of build_helpers/ does not affect PlatformIO builds
-    "esphome/build_helpers/pch.py",
-    "esphome/build_helpers/ccache.py",
-    "esphome/build_helpers/idedata.py",
-}
-
-
-def _path_or_file_trigger(
-    files: list[str],
-    trigger_files: frozenset[str],
-    trigger_prefixes: tuple[str, ...],
-) -> bool:
-    """Whether any changed file matches the given infrastructure triggers."""
-    return any(
-        file in trigger_files or file.startswith(trigger_prefixes) for file in files
-    )
-
-
-@cache
-def _cached_components_closure(files: tuple[str, ...]) -> frozenset[str]:
-    """Dependency closure of the changed components, from the changed files.
-
-    The walk is expensive and every toolchain smoke-test job asks for the
-    same file list, so compute it once per run."""
-    component_files = [f for f in files if filter_component_and_test_files(f)]
-    return frozenset(get_components_with_dependencies(component_files, True))
-
 
 def _esp32_platformio_path_or_file_trigger(files: list[str]) -> bool:
     """Whether any changed file is a PlatformIO infrastructure / harness trigger."""
-    return _path_or_file_trigger(
-        files, ESP32_PLATFORMIO_TRIGGER_FILES, ESP32_PLATFORMIO_TRIGGER_PATH_PREFIXES
-    )
+    for file in files:
+        if file in ESP32_PLATFORMIO_TRIGGER_FILES:
+            return True
+        if any(
+            file.startswith(prefix) for prefix in ESP32_PLATFORMIO_TRIGGER_PATH_PREFIXES
+        ):
+            return True
+    return False
 
 
 # Native-build infra: changes under esphome/espidf/, the shared
@@ -558,26 +531,26 @@ def _esp32_platformio_path_or_file_trigger(files: list[str]) -> bool:
 # compile. When they change we fold the `esp32` component into the matrix so
 # the default native-IDF build path is still compiled on an infra-only PR.
 ESP_IDF_INFRA_TRIGGER_PATH_PREFIXES = ("esphome/espidf/", "esphome/build_helpers/")
-# Shared library-conversion modules every native build imports; a new shared
-# module added to one native trigger set must not silently skip the other's
-# smoke test, so both sets union this one.
-_NATIVE_SHARED_TRIGGER_FILES = frozenset(
+ESP_IDF_INFRA_TRIGGER_FILES = frozenset(
     {
+        "esphome/build_gen/espidf.py",
         "esphome/framework_helpers.py",
         "esphome/platformio/library.py",
         "esphome/platformio/extra_script.py",
     }
 )
-ESP_IDF_INFRA_TRIGGER_FILES = _NATIVE_SHARED_TRIGGER_FILES | {
-    "esphome/build_gen/espidf.py",
-}
 
 
 def _esp_idf_infra_changed(files: list[str]) -> bool:
     """Whether any changed file is ESP-IDF build/runner infrastructure."""
-    return _path_or_file_trigger(
-        files, ESP_IDF_INFRA_TRIGGER_FILES, ESP_IDF_INFRA_TRIGGER_PATH_PREFIXES
-    )
+    for file in files:
+        if file in ESP_IDF_INFRA_TRIGGER_FILES:
+            return True
+        if any(
+            file.startswith(prefix) for prefix in ESP_IDF_INFRA_TRIGGER_PATH_PREFIXES
+        ):
+            return True
+    return False
 
 
 def esp32_platformio_components_to_test(branch: str | None = None) -> list[str]:
@@ -615,23 +588,15 @@ def esp32_platformio_components_to_test(branch: str | None = None) -> list[str]:
     Returns:
         Sorted list of component names to compile.
     """
-    return _toolchain_components_to_test(
-        branch, ESP32_PLATFORMIO_TEST_COMPONENTS, _esp32_platformio_path_or_file_trigger
-    )
-
-
-def _toolchain_components_to_test(
-    branch: str | None,
-    test_set: frozenset[str],
-    infra_trigger: Callable[[list[str]], bool],
-) -> list[str]:
-    """The shared narrowing rule for the per-toolchain smoke-test jobs."""
     files = changed_files(branch)
 
-    if core_changed(files) or infra_trigger(files):
-        return sorted(test_set)
+    if core_changed(files) or _esp32_platformio_path_or_file_trigger(files):
+        return sorted(ESP32_PLATFORMIO_TEST_COMPONENTS)
 
-    return sorted(test_set & _cached_components_closure(tuple(files)))
+    component_files = [f for f in files if filter_component_and_test_files(f)]
+    changed = get_components_with_dependencies(component_files, True)
+
+    return sorted(ESP32_PLATFORMIO_TEST_COMPONENTS & set(changed))
 
 
 def should_run_esp32_platformio(branch: str | None = None) -> bool:
@@ -652,71 +617,6 @@ def should_run_esp32_platformio(branch: str | None = None) -> bool:
     return bool(esp32_platformio_components_to_test(branch))
 
 
-# The `--toolchain arduino` smoke-test set: covers the core, the bundled and
-# converted registry libraries, and the waveform path.
-ESP8266_NATIVE_TEST_COMPONENTS = frozenset(
-    {
-        "esp8266",
-        "api",
-        "web_server",
-        "captive_portal",
-        "mqtt",
-        "esp8266_pwm",
-        "neopixelbus",
-        "bme280_i2c",
-        "uart",
-    }
-)
-
-# Infrastructure whose changes always trigger the native ESP8266 compile
-# test. esphome/build_helpers/ holds the idedata and size-summary helpers
-# the backend shares with the native ESP-IDF build.
-ESP8266_NATIVE_TRIGGER_PATH_PREFIXES = (
-    "esphome/arduino8266/",
-    "esphome/arduino/",
-    "esphome/build_helpers/",
-)
-ESP8266_NATIVE_TRIGGER_FILES = (
-    _NATIVE_SHARED_TRIGGER_FILES
-    | _SMOKE_HARNESS_TRIGGER_FILES
-    | {
-        "esphome/build_gen/arduino8266.py",
-        "esphome/build_gen/build_tool.py",
-        "esphome/components/esp8266/build_surgery.py",
-        "esphome/components/esp8266/boards.py",
-        "esphome/platformio/registry.py",
-        # esp8266/__init__.py imports copy_ccache_script from it
-        "esphome/platformio/toolchain.py",
-        ".github/actions/cache-arduino8266/action.yml",
-    }
-)
-
-
-def _esp8266_native_path_or_file_trigger(files: list[str]) -> bool:
-    """Whether any changed file is native-ESP8266 infrastructure / harness."""
-    # base_python_changed covers the top-level esphome/*.py modules the
-    # native backend imports directly (framework_helpers, helpers, writer,
-    # __main__); without it a change there would silently skip this job.
-    # base_python_changed is deliberately broad (any top-level esphome/*.py)
-    # as belt-and-braces while the backend is new; narrow it to the modules
-    # the backend imports once the toolchain has soaked a few releases
-    return base_python_changed(files) or _path_or_file_trigger(
-        files, ESP8266_NATIVE_TRIGGER_FILES, ESP8266_NATIVE_TRIGGER_PATH_PREFIXES
-    )
-
-
-def esp8266_native_components_to_test(branch: str | None = None) -> list[str]:
-    """Subset of ``ESP8266_NATIVE_TEST_COMPONENTS`` the job needs to compile.
-
-    Same narrowing logic as ``esp32_platformio_components_to_test``: the full
-    list on core or infrastructure changes, otherwise the intersection with
-    the changed-component dependency closure (empty list skips the job).
-    """
-    return _toolchain_components_to_test(
-        branch, ESP8266_NATIVE_TEST_COMPONENTS, _esp8266_native_path_or_file_trigger
-    )
-
-
 def determine_cpp_unit_tests(
     branch: str | None = None,
 ) -> tuple[bool, list[str]]:
@@ -1315,8 +1215,6 @@ def main() -> None:
         run_device_builder = True
         esp32_platformio_components = sorted(ESP32_PLATFORMIO_TEST_COMPONENTS)
         run_esp32_platformio = True
-        esp8266_native_components = sorted(ESP8266_NATIVE_TEST_COMPONENTS)
-        run_esp8266_native = True
     else:
         integration_run_all, integration_test_files = determine_integration_tests(
             args.branch
@@ -1328,8 +1226,6 @@ def main() -> None:
         run_device_builder = should_run_device_builder(args.branch)
         esp32_platformio_components = esp32_platformio_components_to_test(args.branch)
         run_esp32_platformio = bool(esp32_platformio_components)
-        esp8266_native_components = esp8266_native_components_to_test(args.branch)
-        run_esp8266_native = bool(esp8266_native_components)
     run_integration, integration_test_buckets = _compute_integration_test_buckets(
         integration_run_all, integration_test_files
     )
@@ -1524,8 +1420,6 @@ def main() -> None:
         "device_builder": run_device_builder,
         "esp32_platformio": run_esp32_platformio,
         "esp32_platformio_components": ",".join(esp32_platformio_components),
-        "esp8266_native": run_esp8266_native,
-        "esp8266_native_components": ",".join(esp8266_native_components),
         "changed_components": changed_components,
         "changed_components_with_tests": changed_components_with_tests,
         "directly_changed_components_with_tests": list(directly_changed_with_tests),

script/git-hooks/post-checkout

@@ -0,0 +1,20 @@
+#!/bin/sh
+# Prepare the dev environment for a new checkout or worktree.
+#
+# Installed into the git hooks directory by script/setup. Deliberately tiny and
+# self-contained: it stays valid on branches where script/setup does not exist,
+# and simply does nothing there.
+
+# $3 is 1 for a branch checkout, 0 for a file checkout.
+[ "$3" = "1" ] || exit 0
+
+top=$(git rev-parse --show-toplevel 2>/dev/null) || exit 0
+
+# This also runs on ordinary branch switches, where there is nothing to do.
+[ -x "$top/venv/bin/python" ] && exit 0
+[ -x "$top/script/setup" ] || exit 0
+
+# Clear VIRTUAL_ENV so a checkout made from a shell with an environment already
+# activated still gets its own, rather than having the active one repointed at
+# this working tree.
+exec env -u VIRTUAL_ENV "$top/script/setup"

script/setup

@@ -7,13 +7,19 @@ cd "$(dirname "$0")/.."
 if [ -n "$VIRTUAL_ENV" ]; then
   # A virtual environment is already active (e.g. the devcontainer's pre-provisioned
   # esphome-venv). Install into it rather than creating a ./venv in the workspace.
-  created_venv=false
+  venv_state=active
+elif [ -x venv/bin/python ]; then
+  # Reuse the environment from an earlier run, so this script can be run again
+  # at any time to pick up dependency changes.
+  venv_state=reused
+  source venv/bin/activate
 else
-  created_venv=true
+  venv_state=created
+  # --clear replaces a partial environment left behind by an interrupted run.
   if [ -x "$(command -v uv)" ]; then
-    uv venv --seed venv
+    uv venv --clear --seed venv
   else
-    python3 -m venv venv
+    python3 -m venv --clear venv
   fi
   source venv/bin/activate
 fi
@@ -25,20 +31,41 @@ fi
 uv pip install setuptools wheel
 uv pip install -e ".[dev,test]" --config-settings editable_mode=compat
 
-# --overwrite replaces any hook already in place. Without it, prek finds a
-# previously installed pre-commit hook, moves it aside to
-# .git/hooks/pre-commit.legacy and keeps calling it, so every commit would
-# run both tools.
-prek install --overwrite
+# A worktree shares one git hooks directory with the main checkout it was
+# created from, so hooks are installed from the main checkout only. Installing
+# from a worktree would point the shared hook at that worktree's virtual
+# environment, breaking it for everyone once the worktree is removed.
+git_dir="$(git rev-parse --absolute-git-dir 2>/dev/null || true)"
+common_dir="$(git rev-parse --path-format=absolute --git-common-dir 2>/dev/null || true)"
+if [ -n "$common_dir" ] && [ "$git_dir" = "$common_dir" ]; then
+  # --overwrite replaces any hook already in place. Without it, prek finds a
+  # previously installed pre-commit hook, moves it aside to
+  # .git/hooks/pre-commit.legacy and keeps calling it, so every commit would
+  # run both tools.
+  prek install --overwrite
+
+  # Prepares the virtual environment for new checkouts and worktrees. Installed
+  # once here, it covers every worktree created from this checkout.
+  if [ -d "$common_dir/hooks" ]; then
+    cp script/git-hooks/post-checkout "$common_dir/hooks/post-checkout"
+    chmod +x "$common_dir/hooks/post-checkout"
+  fi
+fi
 
 mkdir -p .temp
 
 echo
 echo
-if [ "$created_venv" = true ]; then
-  echo "Virtual environment created at ./venv. Run 'source venv/bin/activate' to use it."
-else
-  echo "Dependencies installed into the active virtual environment:"
-  echo "  $VIRTUAL_ENV"
-  echo "It is already active in this shell, so no 'source venv/bin/activate' is needed."
-fi
+case "$venv_state" in
+  created)
+    echo "Virtual environment created at ./venv. Run 'source venv/bin/activate' to use it."
+    ;;
+  reused)
+    echo "Dependencies updated in the existing ./venv. Run 'source venv/bin/activate' to use it."
+    ;;
+  active)
+    echo "Dependencies installed into the active virtual environment:"
+    echo "  $VIRTUAL_ENV"
+    echo "It is already active in this shell, so no 'source venv/bin/activate' is needed."
+    ;;
+esac

script/test_build_components.py

@@ -1027,7 +1027,6 @@ def test_components(
     isolated_components: set[str] | None = None,
     base_only: bool = False,
     toolchain: str | None = None,
-    fail_on_no_tests: bool = False,
 ) -> int:
     """Test components with optional intelligent grouping.
 
@@ -1062,34 +1061,20 @@ def test_components(
     # toolchain build.
     include_validate = esphome_command != "compile"
 
-    # Find all component tests; remember which components each pattern
-    # (wildcards included) matched, for the deferred no-tests accounting
+    # Find all component tests
     all_tests = {}
-    pattern_components: dict[str, set[str]] = {}
     for pattern in component_patterns:
         # Skip empty patterns (happens when components list is empty string)
         if not pattern:
             continue
-        found = find_component_tests(
-            tests_dir, pattern, base_only, include_validate=include_validate
+        all_tests.update(
+            find_component_tests(
+                tests_dir, pattern, base_only, include_validate=include_validate
+            )
         )
-        pattern_components[pattern] = set(found)
-        all_tests.update(found)
-
-    # The flag's contract is "no test matched fails": a fully blank pattern
-    # list would otherwise slide into the reference-baseline fallback and
-    # exit green while building nothing a caller asked for
-    if fail_on_no_tests and not any(component_patterns):
-        print("No components requested (blank component list)")
-        return 1
-
-    if fail_on_no_tests and not all_tests:
-        # Nothing matched at all: fail before the synthetic baseline build,
-        # which would spend a compile reporting success on nothing. Partial
-        # matches defer to the per-pattern accounting after the summary.
-        print(f"No components found matching: {component_patterns}")
-        return 1
 
+    # If no components found, build a reference configuration for baseline comparison
+    # Create a synthetic "empty" component test that will build just the base config
     if not all_tests:
         print(f"No components found matching: {component_patterns}")
         print(
@@ -1193,26 +1178,6 @@ def test_components(
                         toolchain=toolchain,
                     )
 
-    silent: list[str] = []
-    if fail_on_no_tests:
-        # A green run that built nothing for a requested pattern (renamed
-        # fixture, missing base file, version-suffix mismatch, a wildcard
-        # matching no component) must not pass CI. Per pattern: an
-        # all-or-nothing check would let one silent pattern hide behind the
-        # others. Opt-in: some legs (the esp32-ard smoke subset)
-        # legitimately match nothing. Failing is deferred past the summary
-        # so a real failure's reproduce commands still print.
-        built = {c for r in test_results for c in r.components}
-        # A pattern is silent when it matched no fixture, or when none of
-        # its matched components produced a build (wildcards included)
-        silent = [
-            p
-            for p in component_patterns
-            if p and not (pattern_components.get(p, set()) & built)
-        ]
-        if silent:
-            print(f"No tests ran for requested pattern(s): {', '.join(silent)}")
-
     # Separate results into passed and failed
     passed_results = [r for r in test_results if r.success]
     failed_results = [r for r in test_results if not r.success]
@@ -1244,7 +1209,7 @@ def test_components(
     if os.environ.get("GITHUB_STEP_SUMMARY"):
         write_github_summary(test_results, toolchain=toolchain)
 
-    if failed_results or silent:
+    if failed_results:
         return 1
 
     return 0
@@ -1299,12 +1264,6 @@ def main() -> int:
         "--toolchain",
         help="Select toolchain for compiling.",
     )
-    parser.add_argument(
-        "--fail-on-no-tests",
-        action="store_true",
-        help="Exit non-zero when no test matched (for CI legs whose "
-        "components must all have fixtures)",
-    )
 
     args = parser.parse_args()
 
@@ -1323,7 +1282,6 @@ def main() -> int:
         continue_on_fail=args.continue_on_fail,
         enable_grouping=not args.no_grouping,
         isolated_components=isolated_components,
-        fail_on_no_tests=args.fail_on_no_tests,
         base_only=args.base_only,
         toolchain=args.toolchain,
     )

tests/script/test_determine_jobs.py

@@ -78,17 +78,6 @@ def mock_esp32_platformio_components_to_test() -> Generator[Mock, None, None]:
         yield mock
 
 
-@pytest.fixture
-def mock_esp8266_native_components_to_test() -> Generator[Mock, None, None]:
-    """Mock esp8266_native_components_to_test from determine_jobs.
-
-    main() drives both the ``esp8266_native`` boolean output and the
-    ``esp8266_native_components`` CSV from this one function.
-    """
-    with patch.object(determine_jobs, "esp8266_native_components_to_test") as mock:
-        yield mock
-
-
 @pytest.fixture
 def mock_determine_cpp_unit_tests() -> Generator[Mock, None, None]:
     """Mock determine_cpp_unit_tests from helpers."""
@@ -117,7 +106,6 @@ def clear_determine_jobs_caches() -> None:
     """Clear all cached functions before each test."""
     determine_jobs._is_clang_tidy_full_scan.cache_clear()
     determine_jobs._component_has_tests.cache_clear()
-    determine_jobs._cached_components_closure.cache_clear()
 
 
 def test_main_all_tests_should_run(
@@ -128,7 +116,6 @@ def test_main_all_tests_should_run(
     mock_should_run_import_time: Mock,
     mock_should_run_device_builder: Mock,
     mock_esp32_platformio_components_to_test: Mock,
-    mock_esp8266_native_components_to_test: Mock,
     mock_changed_files: Mock,
     mock_determine_cpp_unit_tests: Mock,
     capsys: pytest.CaptureFixture[str],
@@ -145,7 +132,6 @@ def test_main_all_tests_should_run(
     mock_should_run_import_time.return_value = True
     mock_should_run_device_builder.return_value = True
     mock_esp32_platformio_components_to_test.return_value = ["api", "esp32"]
-    mock_esp8266_native_components_to_test.return_value = ["api", "logger"]
     mock_determine_cpp_unit_tests.return_value = (False, ["wifi", "api", "sensor"])
 
     # Mock changed_files to return non-component files (to avoid memory impact)
@@ -229,8 +215,6 @@ def test_main_all_tests_should_run(
     assert output["device_builder"] is True
     assert output["esp32_platformio"] is True
     assert output["esp32_platformio_components"] == "api,esp32"
-    assert output["esp8266_native"] is True
-    assert output["esp8266_native_components"] == "api,logger"
     assert output["changed_components"] == ["wifi", "api", "sensor"]
     # changed_components_with_tests will only include components that actually have test files
     assert "changed_components_with_tests" in output
@@ -267,7 +251,6 @@ def test_main_no_tests_should_run(
     mock_should_run_import_time: Mock,
     mock_should_run_device_builder: Mock,
     mock_esp32_platformio_components_to_test: Mock,
-    mock_esp8266_native_components_to_test: Mock,
     mock_changed_files: Mock,
     mock_determine_cpp_unit_tests: Mock,
     capsys: pytest.CaptureFixture[str],
@@ -284,7 +267,6 @@ def test_main_no_tests_should_run(
     mock_should_run_import_time.return_value = False
     mock_should_run_device_builder.return_value = False
     mock_esp32_platformio_components_to_test.return_value = []
-    mock_esp8266_native_components_to_test.return_value = []
     mock_determine_cpp_unit_tests.return_value = (False, [])
 
     # Mock changed_files to return no component files
@@ -327,8 +309,6 @@ def test_main_no_tests_should_run(
     assert output["device_builder"] is False
     assert output["esp32_platformio"] is False
     assert output["esp32_platformio_components"] == ""
-    assert output["esp8266_native"] is False
-    assert output["esp8266_native_components"] == ""
     assert output["changed_components"] == []
     assert output["changed_components_with_tests"] == []
     assert output["component_test_count"] == 0
@@ -1003,10 +983,6 @@ _ESP32_PLATFORMIO_FULL_LIST_FILES = [
     # PlatformIO subsystem (path-prefix trigger) + build generator
     ["esphome/platformio/runner.py"],
     ["esphome/platformio/toolchain.py"],
-    # The pch modules are standalone triggers, not the whole build_helpers/
-    ["esphome/build_helpers/pch.py"],
-    ["esphome/build_helpers/ccache.py"],
-    ["esphome/build_helpers/idedata.py"],
     ["esphome/build_gen/platformio.py"],
     # Workflow / harness files
     ["script/test_build_components.py"],
@@ -1065,9 +1041,6 @@ def test_esp32_platformio_components_to_test_returns_full_list_on_infrastructure
         # Non-PlatformIO files in esphome/build_gen/ do NOT trigger the
         # full list -- only esphome/build_gen/platformio.py is a trigger.
         (["esphome/build_gen/espidf.py"], [], []),
-        # build_helpers modules the pch does not import are not triggers.
-        (["esphome/build_helpers/size_summary.py"], [], []),
-        (["esphome/build_helpers/ninja.py"], [], []),
         # Docs / unrelated files -> empty.
         (["README.md"], [], []),
         ([], [], []),
@@ -3166,75 +3139,3 @@ def test_memory_impact_elf_layouts_are_found(tmp_path: Path) -> None:
         elf.write_text("")
 
         assert find_elf_path(build_path) == elf, f"{platform} ELF not found"
-
-
-@pytest.mark.parametrize(
-    "changed",
-    [
-        "esphome/arduino8266/framework.py",
-        "esphome/build_gen/arduino8266.py",
-        "esphome/components/esp8266/build_surgery.py",
-        # Shared modules the native build depends on
-        "esphome/build_helpers/idedata.py",
-        "esphome/platformio/library.py",
-        # Top-level esphome/*.py modules the backend imports directly
-        "esphome/framework_helpers.py",
-        "esphome/writer.py",
-        # esp8266/__init__.py imports copy_ccache_script from it
-        "esphome/platformio/toolchain.py",
-        # The composite cache action must not ship unexercised
-        ".github/actions/cache-arduino8266/action.yml",
-    ],
-)
-def test_esp8266_native_components_full_list_on_infra_change(changed: str) -> None:
-    """Native-ESP8266 infrastructure changes run the full test list."""
-    with (
-        patch.object(determine_jobs, "changed_files", return_value=[changed]),
-        patch.object(
-            determine_jobs,
-            "get_components_with_dependencies",
-            return_value=["wifi"],
-        ),
-    ):
-        result = determine_jobs.esp8266_native_components_to_test()
-        assert result == sorted(determine_jobs.ESP8266_NATIVE_TEST_COMPONENTS)
-
-
-@pytest.mark.parametrize(
-    ("changed_files", "dependency_closure", "expected"),
-    [
-        # Tested component changed -- narrow to the intersection.
-        (
-            ["esphome/components/mqtt/mqtt_client.cpp"],
-            ["mqtt", "json"],
-            ["mqtt"],
-        ),
-        # Components outside the test set return an empty list (job skipped).
-        (
-            ["esphome/components/wifi/wifi_component.cpp"],
-            ["wifi", "network"],
-            [],
-        ),
-        # espidf infrastructure is not an esp8266-native trigger; the
-        # native backend depends on esphome/build_helpers/ instead.
-        (["esphome/build_gen/espidf.py"], [], []),
-        (["esphome/espidf/toolchain.py"], [], []),
-        (["README.md"], [], []),
-    ],
-)
-def test_esp8266_native_components_to_test_narrowing(
-    changed_files: list[str],
-    dependency_closure: list[str],
-    expected: list[str],
-) -> None:
-    """Component changes narrow the native-ESP8266 test list."""
-    with (
-        patch.object(determine_jobs, "changed_files", return_value=changed_files),
-        patch.object(
-            determine_jobs,
-            "get_components_with_dependencies",
-            return_value=dependency_closure,
-        ),
-    ):
-        result = determine_jobs.esp8266_native_components_to_test()
-        assert result == expected

tests/script/test_test_build_components.py

@@ -236,98 +236,3 @@ def test_run_grouped_test_closes_group_when_subprocess_raises(
         )
 
     assert "::endgroup::" in capsys.readouterr().out
-
-
-def test_components_empty_match_fails_with_flag(
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """Under --fail-on-no-tests, a real component filtered to a platform
-    with no matching test file must not pass CI as a green zero-component
-    compile."""
-    rc = tbc.test_components(
-        ["logger"],
-        "zz-none",
-        "compile",
-        False,
-        enable_grouping=False,
-        fail_on_no_tests=True,
-    )
-    assert rc == 1
-    assert "No tests ran for requested pattern(s): logger" in (capsys.readouterr().out)
-
-
-def test_components_component_with_no_base_file_fails_with_flag(
-    capsys: pytest.CaptureFixture[str],
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    """A component whose fixture matches the platform but whose platform has
-    no base file builds nothing; under the flag that silent zero fails by
-    component name instead of hiding behind other components."""
-    monkeypatch.setattr(tbc, "get_platform_base_files", lambda base_dir: {})
-    rc = tbc.test_components(
-        ["logger"],
-        "esp8266-ard",
-        "compile",
-        False,
-        enable_grouping=False,
-        fail_on_no_tests=True,
-    )
-    assert rc == 1
-    assert "No tests ran for requested pattern(s): logger" in (capsys.readouterr().out)
-
-
-def test_components_blank_list_fails_with_flag(
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """A fully blank component list must not slide into the baseline
-    fallback and exit green under the flag."""
-    rc = tbc.test_components(
-        [""], "esp8266-ard", "compile", False, fail_on_no_tests=True
-    )
-    assert rc == 1
-    assert "blank component list" in capsys.readouterr().out
-
-
-def test_components_wildcard_no_match_fails_with_flag(
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """A wildcard matching nothing must not degrade to the synthetic
-    baseline build and exit green under the flag."""
-    rc = tbc.test_components(
-        ["zz_no_such*"],
-        "esp8266-ard",
-        "compile",
-        False,
-        enable_grouping=False,
-        fail_on_no_tests=True,
-    )
-    assert rc == 1
-    assert "No components found matching" in capsys.readouterr().out
-
-
-def test_components_empty_match_tolerated_without_flag() -> None:
-    """The esp32-ard smoke leg deliberately builds only the subset with a
-    matching fixture; without the flag an empty match stays green."""
-    assert (
-        tbc.test_components(
-            ["logger"], "zz-none", "compile", False, enable_grouping=False
-        )
-        == 0
-    )
-
-
-def test_components_unknown_component_fails_with_flag(
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """A renamed smoke-test component must shrink coverage loudly, not fall
-    into the reference-baseline build."""
-    rc = tbc.test_components(
-        ["no_such_component_xyz"],
-        "esp8266-ard",
-        "compile",
-        False,
-        enable_grouping=False,
-        fail_on_no_tests=True,
-    )
-    assert rc == 1
-    assert "No components found matching" in capsys.readouterr().out

tests/unit_tests/build_gen/test_build_tool.py

@@ -1,264 +0,0 @@
-"""Tests for the ninja build-tool helper script."""
-
-from __future__ import annotations
-
-import os
-from pathlib import Path
-import subprocess
-import sys
-from unittest.mock import MagicMock, patch
-
-import pytest
-
-from esphome.build_gen import build_tool
-
-
-def test_ar_removes_stale_archive(tmp_path: Path) -> None:
-    archive = tmp_path / "lib.a"
-    archive.write_text("stale")
-    rsp = tmp_path / "lib.a.rsp"
-    rsp.write_text("a.o\n")
-    with (
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "ar", "ar-bin", str(archive), str(rsp)],
-        ),
-        patch.object(
-            build_tool.subprocess, "run", return_value=MagicMock(returncode=0)
-        ) as mock_run,
-    ):
-        assert build_tool.main() == 0
-    assert not archive.exists()
-    # The rspfile is expanded by the shim (GNU ar would escape backslashes)
-    assert mock_run.call_args[0][0] == ["ar-bin", "rcs", str(archive), "a.o"]
-
-
-def test_copy(tmp_path: Path) -> None:
-    src = tmp_path / "firmware.bin"
-    src.write_text("data")
-    dst = tmp_path / "firmware.factory.bin"
-    with patch.object(
-        build_tool.sys, "argv", ["build_tool", "copy", str(src), str(dst)]
-    ):
-        assert build_tool.main() == 0
-    assert dst.read_text() == "data"
-
-
-def test_unknown_mode(capsys: pytest.CaptureFixture[str]) -> None:
-    with patch.object(build_tool.sys, "argv", ["build_tool", "bogus"]):
-        assert build_tool.main() == 1
-    assert "unknown build_tool mode" in capsys.readouterr().err
-
-
-def test_runs_as_script(tmp_path: Path) -> None:
-    """The ninja rules invoke the file as a plain script."""
-
-    src = tmp_path / "a.bin"
-    src.write_text("x")
-    dst = tmp_path / "b.bin"
-    result = subprocess.run(
-        [sys.executable, build_tool.__file__, "copy", str(src), str(dst)],
-        check=False,
-    )
-    assert result.returncode == 0
-    assert dst.read_text() == "x"
-
-
-def test_ar_expands_rspfile_without_escaping(tmp_path) -> None:
-    """Backslash paths survive: the shim expands the rspfile itself instead
-    of letting GNU ar treat backslashes as escapes."""
-    rsp = tmp_path / "objs.rsp"
-    rsp.write_text("obj/a.o\nsub\\b.o\n")
-    with (
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "ar", "ar-bin", str(tmp_path / "lib.a"), str(rsp)],
-        ),
-        patch.object(
-            build_tool.subprocess, "run", return_value=MagicMock(returncode=0)
-        ) as mock_run,
-    ):
-        assert build_tool.main() == 0
-    assert mock_run.call_args[0][0] == [
-        "ar-bin",
-        "rcs",
-        str(tmp_path / "lib.a"),
-        "obj/a.o",
-        "sub\\b.o",
-    ]
-
-
-def test_ar_unquotes_ninja_escaped_paths(tmp_path: Path) -> None:
-    """The shim strips a simple surrounding quote, since ninja shell-
-    quotes special rsp paths, so ar sees the real filename."""
-    rsp = tmp_path / "t.rsp"
-    rsp.write_text("'obj/a b.o'\nobj/c.o\n")
-    with (
-        patch.object(
-            build_tool.sys, "argv", ["bt", "ar", "/usr/bin/ar", "lib.a", str(rsp)]
-        ),
-        patch.object(build_tool.subprocess, "run") as mock_run,
-    ):
-        mock_run.return_value.returncode = 0
-        rc = build_tool.main()
-    assert rc == 0
-    assert mock_run.call_args.args[0] == [
-        "/usr/bin/ar",
-        "rcs",
-        "lib.a",
-        "obj/a b.o",
-        "obj/c.o",
-    ]
-
-
-def test_ar_empty_object_list_fails(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A lost object list is an error here, not undefined symbols at link."""
-    rsp = tmp_path / "t.rsp"
-    rsp.write_text("\n\n")
-    with patch.object(
-        build_tool.sys, "argv", ["bt", "ar", "/usr/bin/ar", "lib.a", str(rsp)]
-    ):
-        rc = build_tool.main()
-    assert rc == 1
-    assert "no objects listed" in capsys.readouterr().err
-
-
-def test_ar_batches_long_object_lists(tmp_path: Path) -> None:
-    """The expanded argv must stay under the Windows 32767-char limit: a
-    long object list creates with rcs, then appends with qs."""
-    archive = tmp_path / "lib.a"
-    rsp = tmp_path / "lib.a.rsp"
-    objects = [f"dir/{'x' * 120}_{i}.o" for i in range(400)]
-    rsp.write_text("\n".join(objects) + "\n")
-    with (
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "ar", "ar-bin", str(archive), str(rsp)],
-        ),
-        patch.object(
-            build_tool.subprocess, "run", return_value=MagicMock(returncode=0)
-        ) as mock_run,
-    ):
-        assert build_tool.main() == 0
-    calls = [c[0][0] for c in mock_run.call_args_list]
-    assert len(calls) > 1
-    assert calls[0][1] == "rcs"
-    assert all(c[1] == "qs" for c in calls[1:])
-    assert [o for c in calls for o in c[3:]] == objects
-    assert all(sum(len(a) + 1 for a in c) < 32000 for c in calls)
-
-
-def test_ar_batch_failure_stops(tmp_path: Path) -> None:
-    """A failing batch propagates its exit code without running the rest."""
-    archive = tmp_path / "lib.a"
-    rsp = tmp_path / "lib.a.rsp"
-    rsp.write_text("\n".join(f"{'y' * 200}_{i}.o" for i in range(300)) + "\n")
-    with (
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "ar", "ar-bin", str(archive), str(rsp)],
-        ),
-        patch.object(
-            build_tool.subprocess,
-            "run",
-            side_effect=lambda cmd, **kw: (
-                archive.write_text("partial"),
-                MagicMock(returncode=3),
-            )[1],
-        ) as mock_run,
-    ):
-        assert build_tool.main() == 3
-    assert mock_run.call_count == 1
-    # The failed batch must not leave a truncated archive behind
-    assert not archive.exists()
-
-
-def test_ar_exception_leaves_no_partial_archive(tmp_path: Path) -> None:
-    """A missing ar binary mid-loop must not leave a truncated archive from
-    earlier successful batches."""
-    archive = tmp_path / "lib.a"
-    rsp = tmp_path / "lib.a.rsp"
-    rsp.write_text("a.o\n")
-    with (
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "ar", "ar-bin", str(archive), str(rsp)],
-        ),
-        patch.object(
-            build_tool.subprocess,
-            "run",
-            side_effect=lambda cmd, **kw: (
-                archive.write_text("partial"),
-                (_ for _ in ()).throw(FileNotFoundError("no ar")),
-            ),
-        ),
-        pytest.raises(FileNotFoundError),
-    ):
-        build_tool.main()
-    assert not archive.exists()
-
-
-def test_surplus_arguments_error(capsys: pytest.CaptureFixture[str]) -> None:
-    """A mis-specified ninja rule passing extra operands errors instead of
-    silently dropping them."""
-    with patch.object(
-        build_tool.sys, "argv", ["build_tool", "copy", "a", "b", "extra"]
-    ):
-        assert build_tool.main() == 1
-    assert "expected 2 arguments, got 3" in capsys.readouterr().err
-
-
-def test_copy_same_file_keeps_the_input(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A same-file copy (dst IS src) must not unlink the input, and fails
-    with a message and exit code like the other shim paths."""
-    src = tmp_path / "firmware.bin"
-    src.write_bytes(b"image")
-    with patch.object(
-        build_tool.sys, "argv", ["build_tool", "copy", str(src), str(src)]
-    ):
-        assert build_tool.main() == 1
-    assert src.read_bytes() == b"image"
-    assert "failed" in capsys.readouterr().err
-
-
-def test_copy_failure_leaves_no_partial_output(tmp_path: Path) -> None:
-    """A failed copy unlinks the destination; a partial firmware image must
-    never be left on disk."""
-    dst = tmp_path / "firmware.factory.bin"
-    dst.write_text("stale")
-    with (
-        patch.object(build_tool.shutil, "copyfile", side_effect=OSError("disk full")),
-        patch.object(
-            build_tool.sys,
-            "argv",
-            ["build_tool", "copy", str(tmp_path / "src.bin"), str(dst)],
-        ),
-    ):
-        assert build_tool.main() == 1
-    assert not dst.exists()
-
-
-def test_touch_creates_and_updates_stamp(tmp_path: Path) -> None:
-    stamp = tmp_path / "esphome_pch.probe"
-    assert build_tool._run_touch(str(stamp)) == 0
-    assert stamp.is_file()
-    os.utime(stamp, (1, 1))
-    assert build_tool._run_touch(str(stamp)) == 0
-    assert stamp.stat().st_mtime > 1
-
-
-def test_touch_reports_failure(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    missing_dir = tmp_path / "gone" / "stamp"
-    assert build_tool._run_touch(str(missing_dir)) == 1
-    assert "touch:" in capsys.readouterr().err

tests/unit_tests/build_gen/test_espidf.py

@@ -4,9 +4,7 @@ from __future__ import annotations
 
 import json
 import logging
-import os
 from pathlib import Path
-import subprocess
 from unittest.mock import patch
 
 import pytest
@@ -490,922 +488,3 @@ def test_get_component_cmakelists_no_compile_features() -> None:
         content = get_component_cmakelists()
 
     assert "target_compile_features" not in content
-
-
-@pytest.fixture(autouse=True)
-def _pch_default_on(monkeypatch: pytest.MonkeyPatch) -> None:
-    """Pin the knob so a developer's ESPHOME_PCH_ENABLE=0 cannot fail these."""
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "1")
-
-
-def _make_pch_device(tmp_path: Path, name: str) -> Path:
-    """A device dir with the pch source headers and a stub compile_commands."""
-    from esphome.build_helpers.pch import PCH_DEFAULT_HEADERS
-
-    dev = tmp_path / name
-    for header in PCH_DEFAULT_HEADERS:
-        path = dev / "src" / header
-        path.parent.mkdir(parents=True, exist_ok=True)
-        path.write_text("")
-    # A real quoted include chain and a per-device-named sdkconfig with
-    # identical content: the closure and sdkconfig inputs must be exercised
-    (dev / "src" / "esphome" / "core" / "defines.h").write_text(
-        '#include "esphome/core/macros.h"\n'
-    )
-    (dev / "src" / "esphome" / "core" / "macros.h").write_text("#define M 1\n")
-    # Both spellings: tests patch CORE.name to "test" or to the device name
-    (dev / f"sdkconfig.{name}").write_text("CONFIG_X=y\n")
-    (dev / "sdkconfig.test").write_text("CONFIG_X=y\n")
-    build = dev / "build"
-    build.mkdir(exist_ok=True)
-    from esphome.build_helpers.pch import pch_header_text
-
-    (build / "esphome_pch.h").write_text(pch_header_text(PCH_DEFAULT_HEADERS))
-    # Native separators: mixed f-string paths break the src-prefix match
-    # on Windows
-    src_file = str(dev / "src" / "a.cpp")
-    (build / "compile_commands.json").write_text(
-        json.dumps(
-            [
-                {
-                    "directory": str(build),
-                    "command": (
-                        "g++ -DX=1 -include esphome_pch.h "
-                        "-o esp-idf/src/CMakeFiles/__idf_src.dir/a.cpp.obj "
-                        f'-c "{src_file}"'
-                    ),
-                    "file": src_file,
-                }
-            ]
-        )
-    )
-    return dev
-
-
-def test_prepare_pch_writes_header_and_sum(tmp_path: Path) -> None:
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_a")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def fake_compile(cmd, **kwargs):
-        if "-fsyntax-only" in cmd:
-            # The load probe follows a successful .gch build
-            return subprocess.CompletedProcess(cmd, 0, "", "")
-        # The compile must target the header, not the stub TU
-        assert cmd[-5:-3] == ["c++-header", "-c"]
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=fake_compile),
-    ):
-        prepare_pch()
-    checksum = (dev / "build" / "esphome_pch.h.gch.sum").read_text().strip()
-    assert len(checksum) == 64
-    # Unchanged inputs: the second call must not recompile
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError),
-    ):
-        prepare_pch()
-
-
-def test_pch_no_device_path_poison(tmp_path: Path) -> None:
-    """Regression: neither the injected -include nor the .sum may carry the
-    per-device build path, or cross-device ccache sharing breaks."""
-    from esphome.build_gen.espidf import get_component_cmakelists, prepare_pch
-
-    sums = []
-    for name in ("dev_a", "dev_b"):
-        dev = _make_pch_device(tmp_path, name)
-        CORE.build_path = dev
-        gch = dev / "build" / "esphome_pch.h.gch"
-
-        def fake_compile(cmd, _gch=gch, **kwargs):
-            _gch.write_bytes(b"gch")
-            return subprocess.CompletedProcess(cmd, 0, "", "")
-
-        with (
-            patch.object(CORE, "name", name),
-            patch("esphome.build_helpers.pch.subprocess.run", side_effect=fake_compile),
-        ):
-            prepare_pch()
-            content = get_component_cmakelists()
-        assert str(dev) not in content
-        sums.append((dev / "build" / "esphome_pch.h.gch.sum").read_text())
-    assert sums[0] == sums[1]
-
-
-def test_component_cmakelists_pch_block(monkeypatch: pytest.MonkeyPatch) -> None:
-    from esphome.build_gen.espidf import get_component_cmakelists
-
-    content = get_component_cmakelists()
-    assert '"$<$<COMPILE_LANGUAGE:CXX>:-include>"' in content
-    assert "-Wno-error=invalid-pch" in content
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    strict_content = get_component_cmakelists()
-    assert "-Werror=invalid-pch" in strict_content
-    monkeypatch.delenv("ESPHOME_PCH_STRICT")
-    assert '"$<$<COMPILE_LANGUAGE:CXX>:esphome_pch.h>"' in content
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    assert "-include" not in get_component_cmakelists()
-
-
-def test_pch_compile_command_variants(tmp_path: Path) -> None:
-    """Missing DB, no matching entry, and launcher-prefixed commands."""
-    from esphome.build_helpers.pch import pch_compile_command
-
-    build = tmp_path / "build"
-    build.mkdir()
-    header = build / "esphome_pch.h"
-    gch = build / "esphome_pch.h.gch"
-    assert pch_compile_command(build, header, gch) is None
-
-    (build / "compile_commands.json").write_text(
-        json.dumps(
-            [
-                {"command": "gcc -c other.c", "file": "other.c"},
-            ]
-        )
-    )
-    assert pch_compile_command(build, header, gch) is None
-
-    src_file = str(tmp_path / "src" / "esphome" / "a.cpp")
-    (build / "compile_commands.json").write_text(
-        json.dumps(
-            [
-                {
-                    "command": (
-                        "/usr/bin/ccache g++ -DX=1 -include esphome_pch.h -MMD "
-                        "-MT a.cpp.obj -MF a.cpp.obj.d "
-                        "-o esp-idf/src/CMakeFiles/__idf_src.dir/a.cpp.obj "
-                        f"-c {src_file}"
-                    ),
-                    "file": src_file,
-                },
-            ]
-        )
-    )
-    # Launcher stripped; -include/-o/-c and depfile flags removed
-    cmd, cmd_dir = pch_compile_command(build, header, gch)
-    assert cmd == [
-        "g++",
-        "-DX=1",
-        "-x",
-        "c++-header",
-        "-c",
-        str(header),
-        "-o",
-        str(gch),
-    ]
-    # The compile must run where the flags were resolved
-    assert cmd_dir == build
-
-
-@pytest.mark.skipif(os.name == "nt", reason="symlinks need privileges on Windows")
-def test_pch_compile_command_matches_src_through_symlink(tmp_path: Path) -> None:
-    """Find the src TU when CMake spells paths through a different symlink (macOS /tmp)."""
-    from esphome.build_helpers.pch import pch_compile_command
-
-    real = tmp_path / "real"
-    (real / "src" / "esphome").mkdir(parents=True)
-    link = tmp_path / "link"
-    link.symlink_to(real, target_is_directory=True)
-    CORE.build_path = str(real)
-    build = real / "build"
-    build.mkdir()
-    header = build / "esphome_pch.h"
-    gch = build / "esphome_pch.h.gch"
-    src_file = str(link / "src" / "esphome" / "a.cpp")
-    (build / "compile_commands.json").write_text(
-        json.dumps([{"command": f"g++ -DX=1 -o a.obj -c {src_file}", "file": src_file}])
-    )
-
-    cmd, cmd_dir = pch_compile_command(build, header, gch)
-
-    assert cmd[:2] == ["g++", "-DX=1"]
-    assert cmd_dir == build
-
-
-def test_pch_compile_command_rejects_unusable_entries(tmp_path: Path) -> None:
-    """Malformed DB shapes and command-less entries skip cleanly instead of
-    producing a compiler-less argv retried every build."""
-    from esphome.build_helpers.pch import pch_compile_command
-
-    build = tmp_path / "build"
-    build.mkdir()
-    header = build / "esphome_pch.h"
-    gch = build / "esphome_pch.h.gch"
-    db = build / "compile_commands.json"
-    src_file = str(tmp_path / "src" / "esphome" / "a.cpp")
-
-    db.write_text(json.dumps({"not": "a list"}))
-    assert pch_compile_command(build, header, gch) is None
-
-    db.write_text(json.dumps(["just a string"]))
-    assert pch_compile_command(build, header, gch) is None
-
-    # An empty-string directory must fall back to the build dir, not cwd
-    db.write_text(
-        json.dumps(
-            [
-                {
-                    "directory": "",
-                    "command": f"g++ -DX=1 -o a.obj -c {src_file}",
-                    "file": src_file,
-                }
-            ]
-        )
-    )
-    _, cmd_dir = pch_compile_command(build, header, gch)
-    assert cmd_dir == build
-
-    # Corrupted entries with null fields must skip, not raise
-    db.write_text(
-        json.dumps(
-            [
-                {"file": None, "command": "g++ -c x.cpp", "directory": None},
-                {"file": src_file, "command": None, "directory": None},
-            ]
-        )
-    )
-    assert pch_compile_command(build, header, gch) is None
-
-    # arguments-style entry (allowed by the spec, unused by CMake)
-    db.write_text(
-        json.dumps([{"arguments": ["g++", "-c", src_file], "file": src_file}])
-    )
-    assert pch_compile_command(build, header, gch) is None
-
-
-def test_pch_header_list_order_is_in_checksum(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """Reordering PCH_DEFAULT_HEADERS keeps the include closure identical, but the
-    generated header text differs, so the .gch must rebuild."""
-    import esphome.build_gen.espidf as espidf_mod
-
-    dev = _make_pch_device(tmp_path, "dev_r")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def fake_compile(cmd, **kwargs):
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=fake_compile),
-    ):
-        espidf_mod.prepare_pch()
-        first = (dev / "build" / "esphome_pch.h.gch.sum").read_text()
-        monkeypatch.setattr(
-            espidf_mod,
-            "PCH_DEFAULT_HEADERS",
-            tuple(reversed(espidf_mod.PCH_DEFAULT_HEADERS)),
-        )
-        espidf_mod.prepare_pch()
-    assert (dev / "build" / "esphome_pch.h.gch.sum").read_text() != first
-
-
-def test_prepare_pch_failure_writes_marker_and_skips_retry(tmp_path: Path) -> None:
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_f")
-    CORE.build_path = dev
-    calls = []
-
-    def failing_compile(cmd, **kwargs):
-        calls.append(cmd)
-        return subprocess.CompletedProcess(cmd, 1, "", "boom")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=failing_compile),
-    ):
-        prepare_pch()
-        prepare_pch()
-    assert len(calls) == 1
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-    assert (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-
-def test_prepare_pch_spawn_oserror_is_transient(tmp_path: Path) -> None:
-    """Spawn/IO failures retry on the next build instead of latching."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_o")
-    CORE.build_path = dev
-    calls = []
-
-    def raising(cmd, **kwargs):
-        calls.append(cmd)
-        raise OSError("no such compiler")
-
-    header = dev / "build" / "esphome_pch.h"
-    before = header.stat().st_mtime_ns
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=raising),
-    ):
-        prepare_pch()
-        prepare_pch()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-    assert len(calls) == 2
-    # No .gch was ever in play, so the header must not be re-touched into
-    # forcing a full rebuild on every failing build
-    assert header.stat().st_mtime_ns == before
-
-
-def test_prepare_pch_transient_with_stale_gch_bumps_header(tmp_path: Path) -> None:
-    """A stale .gch removed on a transient failure must dirty its consumers."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_s")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-    gch.write_bytes(b"stale")
-    header = dev / "build" / "esphome_pch.h"
-    os.utime(header, (1, 1))
-    with (
-        patch.object(CORE, "name", "test"),
-        patch(
-            "esphome.build_helpers.pch.subprocess.run",
-            side_effect=OSError("no such compiler"),
-        ),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    assert header.stat().st_mtime_ns > 1_000_000_000
-
-
-def test_prepare_pch_disabled_discards_and_skips_compile(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """The escape hatch is self-cleaning: a leftover .gch is removed."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    dev = _make_pch_device(tmp_path, "dev_d")
-    CORE.build_path = dev
-    stale = dev / "build" / "esphome_pch.h.gch"
-    stale.write_bytes(b"stale")
-    with patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError):
-        prepare_pch()
-    assert not stale.exists()
-
-
-def test_prepare_pch_missing_sdkconfig_fails_closed(tmp_path: Path) -> None:
-    """No sdkconfig means no config identity for the .sum: no pch at all."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_m")
-    (dev / "sdkconfig.test").unlink()
-    CORE.build_path = dev
-    stale = dev / "build" / "esphome_pch.h.gch"
-    stale.write_bytes(b"stale")
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError),
-    ):
-        prepare_pch()
-    assert not stale.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-
-
-def test_prepare_pch_signal_kill_is_transient(tmp_path: Path) -> None:
-    """A signal-killed compile (OOM) must not latch the .failed marker."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_k")
-    CORE.build_path = dev
-    calls = []
-
-    def killed(cmd, **kwargs):
-        calls.append(cmd)
-        return subprocess.CompletedProcess(cmd, -9, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=killed),
-    ):
-        prepare_pch()
-        prepare_pch()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-    assert len(calls) == 2
-
-
-def test_prepare_pch_probe_spawn_failure_degrades(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """A probe that cannot run discards the pch; strict raises."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    dev = _make_pch_device(tmp_path, "dev_pf")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def probe_dies(cmd, **kwargs):
-        if "-fsyntax-only" in cmd:
-            raise OSError("probe spawn failed")
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=probe_dies),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=probe_dies),
-        pytest.raises(EsphomeError, match="probe did not run"),
-    ):
-        prepare_pch()
-
-
-@pytest.mark.parametrize(
-    ("stderr", "code"),
-    [("", -9), ("fatal: No space left on device", 1)],
-    ids=("signal-kill", "enospc"),
-)
-def test_prepare_pch_probe_environmental_failures_do_not_latch(
-    tmp_path: Path, stderr: str, code: int
-) -> None:
-    """A signal-killed or ENOSPC probe retries next build, no marker."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_pe")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def env_probe(cmd, **kwargs):
-        if "-fsyntax-only" in cmd:
-            return subprocess.CompletedProcess(cmd, code, "", stderr)
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=env_probe),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-
-def test_prepare_pch_signal_kill_strict_raises(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    dev = _make_pch_device(tmp_path, "dev_ks")
-    CORE.build_path = dev
-    with (
-        patch.object(CORE, "name", "test"),
-        patch(
-            "esphome.build_helpers.pch.subprocess.run",
-            side_effect=lambda cmd, **kw: subprocess.CompletedProcess(cmd, -9, "", ""),
-        ),
-        pytest.raises(EsphomeError, match="killed by signal"),
-    ):
-        prepare_pch()
-
-
-def test_prepare_pch_strict_raises_when_disabled(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """Strict must not read a disabled pch as success."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    dev = _make_pch_device(tmp_path, "dev_ds")
-    CORE.build_path = dev
-    with (
-        patch.object(CORE, "name", "test"),
-        pytest.raises(EsphomeError, match="disabled"),
-    ):
-        prepare_pch()
-
-
-def test_prepare_pch_missing_sdkconfig_strict_raises(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    dev = _make_pch_device(tmp_path, "dev_ss")
-    (dev / "sdkconfig.test").unlink()
-    CORE.build_path = dev
-    with (
-        patch.object(CORE, "name", "test"),
-        pytest.raises(EsphomeError, match="sdkconfig unreadable"),
-    ):
-        prepare_pch()
-
-
-def test_prepare_pch_without_compile_commands(tmp_path: Path) -> None:
-    """Stale checksum but no configured TU yet: no compile, no sidecars."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_n")
-    (dev / "build" / "compile_commands.json").unlink()
-    CORE.build_path = dev
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError),
-    ):
-        prepare_pch()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-
-def test_write_project_pch_disabled_writes_no_header(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    from esphome.build_gen.espidf import write_project
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    _write_project_description(tmp_path, {})
-    CORE.build_path = tmp_path
-    with (
-        patch("esphome.build_gen.espidf.get_esp32_variant", return_value="ESP32"),
-        patch.object(CORE, "name", "test"),
-    ):
-        write_project()
-    assert not (tmp_path / "build" / "esphome_pch.h").exists()
-
-
-def test_write_project_writes_pch_header(tmp_path: Path) -> None:
-    """The header write_project emits is what _pch_cmake() force-includes;
-    this pairing is the one non-fail-safe path in the design."""
-    from esphome.build_gen.espidf import write_project
-    from esphome.build_helpers.pch import PCH_DEFAULT_HEADERS, pch_header_text
-
-    _write_project_description(tmp_path, {})
-    CORE.build_path = tmp_path
-    with (
-        patch("esphome.build_gen.espidf.get_esp32_variant", return_value="ESP32"),
-        patch.object(CORE, "name", "test"),
-    ):
-        write_project()
-    assert (tmp_path / "build" / "esphome_pch.h").read_text() == pch_header_text(
-        PCH_DEFAULT_HEADERS
-    )
-
-
-def test_prepare_pch_stale_bailout_removes_gch(tmp_path: Path) -> None:
-    """A stale .gch must not survive when no compile command is available."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_s")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-    gch.write_bytes(b"stale")
-    (dev / "build" / "esphome_pch.h.gch.sum").write_text("stale-sum\n")
-    (dev / "build" / "compile_commands.json").unlink()
-    with patch.object(CORE, "name", "test"):
-        prepare_pch()
-    assert not gch.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-
-
-def test_prepare_pch_zero_exit_without_gch_is_failure(tmp_path: Path) -> None:
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_z")
-    CORE.build_path = dev
-
-    def no_output(cmd, **kwargs):
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=no_output),
-    ):
-        prepare_pch()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-    assert (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-
-def test_prepare_pch_bumps_header_for_object_depends(tmp_path: Path) -> None:
-    """The OBJECT_DEPENDS edge watches the header; a rebuilt .gch must bump
-    it so pch-consuming TUs recompile."""
-    import os as _os
-
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_t")
-    CORE.build_path = dev
-    header = dev / "build" / "esphome_pch.h"
-    gch = dev / "build" / "esphome_pch.h.gch"
-    _os.utime(header, (0, 0))
-    before = header.stat().st_mtime
-
-    def fake_compile(cmd, **kwargs):
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=fake_compile),
-    ):
-        prepare_pch()
-    assert header.stat().st_mtime > before
-
-
-def test_component_cmakelists_pch_object_depends() -> None:
-    from esphome.build_gen.espidf import get_component_cmakelists
-
-    content = get_component_cmakelists()
-    assert 'OBJECT_DEPENDS "${CMAKE_BINARY_DIR}/esphome_pch.h"' in content
-
-
-def test_prepare_pch_command_change_invalidates_sum(tmp_path: Path) -> None:
-    """A flag-only change in the compile DB must rebuild the .gch."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_c")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def fake_compile(cmd, **kwargs):
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=fake_compile),
-    ):
-        prepare_pch()
-        first = (dev / "build" / "esphome_pch.h.gch.sum").read_text()
-        db = dev / "build" / "compile_commands.json"
-        db.write_text(db.read_text().replace("-DX=1", "-DX=2"))
-        prepare_pch()
-    assert (dev / "build" / "esphome_pch.h.gch.sum").read_text() != first
-
-
-def test_prepare_pch_keeps_user_force_includes(tmp_path: Path) -> None:
-    from esphome.build_helpers.pch import pch_compile_command
-
-    dev = _make_pch_device(tmp_path, "dev_u")
-    CORE.build_path = dev
-    build = dev / "build"
-    src_file = str(dev / "src" / "esphome" / "a.cpp")
-    build.joinpath("compile_commands.json").write_text(
-        json.dumps(
-            [
-                {
-                    "directory": str(build),
-                    "command": (
-                        "g++ -include user.h -include esphome_pch.h "
-                        f"-o a.obj -c {src_file}"
-                    ),
-                    "file": src_file,
-                }
-            ]
-        )
-    )
-    cmd, _ = pch_compile_command(build, build / "esphome_pch.h", build / "x.gch")
-    assert "user.h" in cmd
-    assert "esphome_pch.h" not in " ".join(cmd[:-3])
-
-
-def test_prepare_pch_identity_unknown_discards(tmp_path: Path) -> None:
-    """An OSError from the checksum discards artifacts and skips the pch."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_i")
-    CORE.build_path = dev
-    stale = dev / "build" / "esphome_pch.h.gch"
-    stale.write_bytes(b"stale")
-    with (
-        patch.object(CORE, "name", "test"),
-        patch(
-            "esphome.build_helpers.pch.pch_checksum",
-            side_effect=OSError("stat failed"),
-        ),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError),
-    ):
-        prepare_pch()
-    assert not stale.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.sum").exists()
-
-
-def test_prepare_pch_transient_compiler_failure_does_not_latch(
-    tmp_path: Path,
-) -> None:
-    """ENOSPC-style failures clear on their own; no .failed marker."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_e")
-    CORE.build_path = dev
-    calls = []
-
-    def enospc(cmd, **kwargs):
-        calls.append(cmd)
-        return subprocess.CompletedProcess(
-            cmd, 1, "", "fatal error: No space left on device"
-        )
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=enospc),
-    ):
-        prepare_pch()
-        prepare_pch()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-    assert len(calls) == 2
-
-
-def test_prepare_pch_strict_raises_on_missing_db(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """ESPHOME_PCH_STRICT turns the silent skip into a failure."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    dev = _make_pch_device(tmp_path, "dev_st")
-    (dev / "build" / "compile_commands.json").unlink()
-    CORE.build_path = dev
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=AssertionError),
-        pytest.raises(EsphomeError, match="no usable compile command"),
-    ):
-        prepare_pch()
-
-
-def test_prepare_pch_probe_rejection_latches_and_degrades(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """A toolchain that cannot load its own .gch discards it, latches the
-    marker, and fails strict mode."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    dev = _make_pch_device(tmp_path, "dev_p")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def rejecting(cmd, **kwargs):
-        if "-fsyntax-only" in cmd:
-            if "-include" not in cmd:
-                # Baseline without the pch passes: the pch is to blame
-                return subprocess.CompletedProcess(cmd, 0, "", "")
-            return subprocess.CompletedProcess(
-                cmd, 1, "", "error: esphome_pch.h.gch: had text segment "
-            )
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=rejecting),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    assert (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    (dev / "build" / "esphome_pch.h.gch.failed").unlink()
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=rejecting),
-        pytest.raises(EsphomeError, match="cannot load the pch"),
-    ):
-        prepare_pch()
-
-
-def test_prepare_pch_strict_reprobes_cached_gch(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """Rejection is per-process: strict must re-prove a cached .gch loads."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    dev = _make_pch_device(tmp_path, "dev_rc")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def ok(cmd, **kwargs):
-        if "-fsyntax-only" not in cmd:
-            gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=ok),
-    ):
-        prepare_pch()
-    assert gch.exists()
-
-    def reject(cmd, **kwargs):
-        assert "-fsyntax-only" in cmd, "cached path must not recompile"
-        if "-include" not in cmd:
-            return subprocess.CompletedProcess(cmd, 0, "", "")
-        return subprocess.CompletedProcess(
-            cmd, 1, "", "error: esphome_pch.h.gch: had text segment "
-        )
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=reject),
-        pytest.raises(EsphomeError, match="cannot load the pch"),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    # Per-process rejection may not reproduce: the cached path must not
-    # latch the pch off for later non-strict builds
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()
-
-
-def test_prepare_pch_unexpected_command_shape_degrades(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """A tail the probe slice cannot trust discards and degrades."""
-    from esphome.build_gen.espidf import prepare_pch
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    dev = _make_pch_device(tmp_path, "dev_sh")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def ok(cmd, **kwargs):
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=ok),
-        patch(
-            "esphome.build_helpers.pch.pch_compile_command",
-            return_value=(
-                ["g++", "-DX=1", "-c", "x", "-o", "y", "extra"],
-                dev / "build",
-            ),
-        ),
-        pytest.raises(EsphomeError, match="command shape"),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-
-    # Non-strict: same shape problem degrades without raising
-    monkeypatch.delenv("ESPHOME_PCH_STRICT")
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=ok),
-        patch(
-            "esphome.build_helpers.pch.pch_compile_command",
-            return_value=(
-                ["g++", "-DX=1", "-c", "x", "-o", "y", "extra"],
-                dev / "build",
-            ),
-        ),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-
-
-def test_prepare_pch_probe_baseline_spawn_failure_is_transient(
-    tmp_path: Path,
-) -> None:
-    """A baseline that cannot spawn is environmental: no marker."""
-    from esphome.build_gen.espidf import prepare_pch
-
-    dev = _make_pch_device(tmp_path, "dev_bs")
-    CORE.build_path = dev
-    gch = dev / "build" / "esphome_pch.h.gch"
-
-    def flaky(cmd, **kwargs):
-        if "-fsyntax-only" in cmd:
-            if "-include" in cmd:
-                return subprocess.CompletedProcess(cmd, 1, "", "boom")
-            raise OSError("baseline spawn failed")
-        gch.write_bytes(b"gch")
-        return subprocess.CompletedProcess(cmd, 0, "", "")
-
-    with (
-        patch.object(CORE, "name", "test"),
-        patch("esphome.build_helpers.pch.subprocess.run", side_effect=flaky),
-    ):
-        prepare_pch()
-    assert not gch.exists()
-    assert not (dev / "build" / "esphome_pch.h.gch.failed").exists()

tests/unit_tests/build_helpers/test_ccache.py

@@ -10,7 +10,6 @@ from unittest.mock import patch
 import pytest
 
 from esphome.build_helpers import ccache
-from esphome.core import CORE
 
 
 def test_resolve_opt_out() -> None:
@@ -121,17 +120,3 @@ def test_parse_enable_env_spelling_tables(
     """cv.boolean's spelling tables plus the 1/0 env convention."""
     monkeypatch.setenv("ESPHOME_CCACHE_ENABLE", raw)
     assert ccache.parse_enable_env("ESPHOME_CCACHE_ENABLE") is expected
-
-
-def test_effective_ccache_basedir_prefers_user_value(tmp_path: Path) -> None:
-    CORE.build_path = tmp_path
-    # Drive-qualified on Windows: "/custom/base" is not absolute there
-    base = "C:\\custom\\base" if os.name == "nt" else "/custom/base"
-    with patch.dict(os.environ, {"CCACHE_BASEDIR": base}, clear=True):
-        assert ccache.effective_ccache_basedir() == base
-    with patch.dict(os.environ, {}, clear=True):
-        assert ccache.effective_ccache_basedir() == str(tmp_path.resolve())
-    # Degenerate values would strip substrings ccache never rewrites
-    for bad in ("", "/", "a/b"):
-        with patch.dict(os.environ, {"CCACHE_BASEDIR": bad}, clear=True):
-            assert ccache.effective_ccache_basedir() == str(tmp_path.resolve())

tests/unit_tests/build_helpers/test_idedata.py

@@ -85,87 +85,6 @@ def test_parse_entry_resolves_relative_includes() -> None:
     assert all(Path(inc).is_absolute() for inc in includes)
 
 
-def test_parse_entry_resolves_force_include_path(tmp_path: Path) -> None:
-    """The pch -include is emitted relative to the build dir; idedata must
-    resolve it so cached flags work from any cwd."""
-    (tmp_path / "esphome_pch.h").write_text("")
-    entry = _entry(
-        str(tmp_path),
-        f"{tmp_path}/src/esphome/x.cpp",
-        "g++ -include esphome_pch.h -c x.cpp",
-    )
-
-    _, _, _, cxx_flags = idedata.parse_entry(entry)
-
-    idx = cxx_flags.index("-include")
-    resolved = cxx_flags[idx + 1]
-    assert Path(resolved).is_absolute()
-    assert resolved == str(tmp_path / "esphome_pch.h").replace("\\", "/")
-
-
-def test_parse_entry_resolves_joined_force_include(tmp_path: Path) -> None:
-    """The joined -includefoo.h spelling takes the same resolve path."""
-    (tmp_path / "esphome_pch.h").write_text("")
-    entry = _entry(
-        str(tmp_path),
-        f"{tmp_path}/src/esphome/x.cpp",
-        "g++ -includeesphome_pch.h -c x.cpp",
-    )
-
-    _, _, _, cxx_flags = idedata.parse_entry(entry)
-
-    resolved = cxx_flags[cxx_flags.index("-include") + 1]
-    assert resolved == str(tmp_path / "esphome_pch.h").replace("\\", "/")
-
-
-def test_parse_entry_keeps_search_chain_force_include(tmp_path: Path) -> None:
-    """-include names resolved via the -I chain (libretiny's Arduino.h) must
-    not be re-anchored to a nonexistent build-dir path."""
-    entry = _entry(
-        str(tmp_path),
-        f"{tmp_path}/src/esphome/x.cpp",
-        "g++ -include Arduino.h -c x.cpp",
-    )
-
-    _, _, _, cxx_flags = idedata.parse_entry(entry)
-
-    assert cxx_flags[cxx_flags.index("-include") + 1] == "Arduino.h"
-
-
-def test_parse_entry_warns_on_vanished_force_include(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A build-dir force-include deleted by clean_build must leave a trail;
-    a name resolvable via the -I chain must not warn."""
-    inc = tmp_path / "inc"
-    inc.mkdir()
-    (inc / "Arduino.h").write_text("")
-    entry = _entry(
-        str(tmp_path),
-        f"{tmp_path}/src/esphome/x.cpp",
-        f"g++ -I{inc} -include Arduino.h -include esphome_pch.h -c x.cpp",
-    )
-
-    _, _, _, cxx_flags = idedata.parse_entry(entry)
-
-    assert "Arduino.h" in cxx_flags
-    assert "esphome_pch.h" in caplog.text
-    assert "Arduino.h" not in caplog.text
-
-
-def test_parse_entry_drops_trailing_force_include(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    entry = _entry(
-        str(tmp_path), f"{tmp_path}/src/esphome/x.cpp", "g++ -c x.cpp -include"
-    )
-
-    _, _, _, cxx_flags = idedata.parse_entry(entry)
-
-    assert "-include" not in cxx_flags
-    assert "no argument" in caplog.text
-
-
 def test_parse_entry_skips_dependency_flags() -> None:
     """Dependency-generation flags (and their args) are dropped."""
     entry = _entry(
@@ -185,7 +104,7 @@ def test_expand_response_files(tmp_path: Path) -> None:
     rsp = tmp_path / "flags.rsp"
     rsp.write_text("-DFROM_RSP -I/rsp/inc")
 
-    tokens = idedata.expand_response_files(
+    tokens = idedata._expand_response_files(
         ["g++", f"@{rsp.name}", "-c", "x.cpp"], tmp_path
     )
 
@@ -196,7 +115,7 @@ def test_expand_response_files(tmp_path: Path) -> None:
 
 def test_expand_response_files_keeps_literal_when_missing(tmp_path: Path) -> None:
     """An unreadable ``@file`` token is kept verbatim rather than dropped."""
-    tokens = idedata.expand_response_files(["g++", "@nope.rsp"], tmp_path)
+    tokens = idedata._expand_response_files(["g++", "@nope.rsp"], tmp_path)
     assert "@nope.rsp" in tokens
 
 
@@ -408,7 +327,7 @@ def test_split_command_preserves_paths_and_unescapes_quotes() -> None:
     r"""Backslash paths survive while ``\"`` define-quoting is unescaped."""
     command = r"C:\esp\bin\riscv32-esp-elf-g++.exe -DVER=\"1.2.3\" -IC:/inc/a -c x.cpp"
 
-    tokens = idedata.split_command(command)
+    tokens = idedata._split_command(command)
 
     assert tokens[0] == r"C:\esp\bin\riscv32-esp-elf-g++.exe"
     assert '-DVER="1.2.3"' in tokens
@@ -422,8 +341,8 @@ def test_split_command_empty_returns_empty() -> None:
     Guards against ``CommandLineToArgvW("")`` returning the current process name
     instead of an empty list.
     """
-    assert idedata.split_command("") == []
-    assert idedata.split_command("   ") == []
+    assert idedata._split_command("") == []
+    assert idedata._split_command("   ") == []
 
 
 @pytest.mark.skipif(os.name != "nt", reason="Windows argv tokenization")
@@ -584,9 +503,9 @@ def test_load_or_build_idedata_rebuilds_non_dict_cache(tmp_path: Path) -> None:
 def test_is_launcher_matches_only_known_launchers() -> None:
     """Compilers of any shape pass; only the closed launcher set matches."""
     for token in ("/t/g++-13", "gcc-8.4.0", "clang++-17", "armcc", "icx", "cc"):
-        assert not idedata.is_launcher(token)
+        assert not idedata._is_launcher(token)
     for token in ("/opt/homebrew/bin/ccache", "CCACHE.EXE", "distcc", "sccache"):
-        assert idedata.is_launcher(token)
+        assert idedata._is_launcher(token)
 
 
 def test_load_or_build_idedata_corrupted_cache_is_logged(

tests/unit_tests/build_helpers/test_pch.py

@@ -1,381 +0,0 @@
-"""Tests for esphome.build_helpers.pch."""
-
-from __future__ import annotations
-
-import os
-from pathlib import Path
-from unittest.mock import patch
-
-import pytest
-
-from esphome.build_helpers import pch
-
-
-def _write(src_dir: Path, name: str, content: str) -> None:
-    path = src_dir / name
-    path.parent.mkdir(parents=True, exist_ok=True)
-    path.write_text(content)
-
-
-@pytest.mark.parametrize(
-    ("value", "expected"),
-    [
-        (None, True),
-        ("1", True),
-        ("0", False),
-        ("false", False),
-        ("", False),
-    ],
-)
-def test_pch_enabled(value: str | None, expected: bool) -> None:
-    env = {} if value is None else {"ESPHOME_PCH_ENABLE": value}
-    with patch.dict(os.environ, env, clear=True):
-        assert pch.pch_enabled() is expected
-
-
-def test_ccache_pch_env_empty_until_emitted() -> None:
-    """No sloppiness relaxation for a build that skipped the pch."""
-    with patch.dict(os.environ, {}, clear=True):
-        assert pch.ccache_pch_env() == {}
-
-
-def test_ccache_pch_env_enabled() -> None:
-    pch.mark_pch_emitted()
-    with patch.dict(os.environ, {}, clear=True):
-        env = pch.ccache_pch_env()
-    assert env["CCACHE_SLOPPINESS"] == "pch_defines,time_macros"
-    assert env["CCACHE_PCH_EXTSUM"] == "true"
-
-
-def test_ccache_pch_env_disabled() -> None:
-    with patch.dict(os.environ, {"ESPHOME_PCH_ENABLE": "0"}, clear=True):
-        assert pch.ccache_pch_env() == {}
-
-
-def test_ccache_pch_env_token_check_is_membership_not_substring(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A token merely containing ours must not suppress the union."""
-    pch.mark_pch_emitted()
-    with patch.dict(os.environ, {"CCACHE_SLOPPINESS": "pch_defines_extra"}, clear=True):
-        env = pch.ccache_pch_env()
-    assert env["CCACHE_SLOPPINESS"] == "pch_defines_extra,pch_defines,time_macros"
-
-
-def test_ccache_pch_env_unions_user_sloppiness(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """Without pch_defines/time_macros ccache declines every pch-consuming
-    compile, so missing tokens are unioned onto the user's value."""
-    pch.mark_pch_emitted()
-    with patch.dict(os.environ, {"CCACHE_SLOPPINESS": "locale"}, clear=True):
-        env = pch.ccache_pch_env()
-    assert env["CCACHE_SLOPPINESS"] == "locale,pch_defines,time_macros"
-    assert env["CCACHE_PCH_EXTSUM"] == "true"
-    assert "Adding pch_defines,time_macros" in caplog.text
-    caplog.clear()
-    with patch.dict(
-        os.environ, {"CCACHE_SLOPPINESS": "pch_defines,time_macros"}, clear=True
-    ):
-        env = pch.ccache_pch_env()
-    assert "CCACHE_SLOPPINESS" not in env
-    assert not caplog.records
-
-
-def test_pch_header_text_preserves_order() -> None:
-    text = pch.pch_header_text(["b.h", "a.h"])
-    assert text == '#include "b.h"\n#include "a.h"\n'
-
-
-def test_include_closure_resolves_relative_and_root(tmp_path: Path) -> None:
-    """Sibling includes resolve against the includer's directory first,
-    full paths against the src root; unresolvable names end the walk."""
-    _write(tmp_path, "esphome/components/x/a.h", '#include "b.h"\n')
-    _write(
-        tmp_path,
-        "esphome/components/x/b.h",
-        '#include "esphome/core/deep.h"\n#include <system.h>\n#include "missing.h"\n',
-    )
-    _write(tmp_path, "esphome/core/deep.h", "")
-    closure = pch._include_closure(tmp_path, ["esphome/components/x/a.h"])
-    assert sorted(closure) == [
-        "esphome/components/x/a.h",
-        "esphome/components/x/b.h",
-        "esphome/core/deep.h",
-    ]
-
-
-def test_include_closure_handles_cycles(tmp_path: Path) -> None:
-    _write(tmp_path, "a.h", '#include "b.h"\n')
-    _write(tmp_path, "b.h", '#include "a.h"\n')
-    assert sorted(pch._include_closure(tmp_path, ["a.h"])) == ["a.h", "b.h"]
-
-
-def test_include_closure_blocks_parent_escape(tmp_path: Path) -> None:
-    _write(tmp_path / "src", "a.h", '#include "../outside.h"\n')
-    (tmp_path / "outside.h").write_text("")
-    assert sorted(pch._include_closure(tmp_path / "src", ["a.h"])) == ["a.h"]
-
-
-def test_pch_checksum_tracks_closure_content(tmp_path: Path) -> None:
-    """A transitive header edit or an extra-identity change must change the
-    digest; unrelated files must not."""
-    _write(tmp_path, "root.h", '#include "nested.h"\n')
-    _write(tmp_path, "nested.h", "int a;\n")
-    _write(tmp_path, "unrelated.h", "int u;\n")
-    base = pch.pch_checksum(tmp_path, ["root.h"], ["id"])
-    assert base == pch.pch_checksum(tmp_path, ["root.h"], ["id"])
-    assert base != pch.pch_checksum(tmp_path, ["root.h"], ["other-id"])
-    _write(tmp_path, "unrelated.h", "int changed;\n")
-    assert base == pch.pch_checksum(tmp_path, ["root.h"], ["id"])
-    _write(tmp_path, "nested.h", "int b;\n")
-    assert base != pch.pch_checksum(tmp_path, ["root.h"], ["id"])
-
-
-@pytest.mark.skipif(
-    os.name == "nt" or os.geteuid() == 0, reason="chmod is ineffective here"
-)
-def test_include_closure_fails_closed_on_unreadable(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A marker would truncate the transitive walk; the OSError propagates
-    so callers compile without a pch."""
-    _write(tmp_path, "a.h", '#include "locked.h"\n')
-    locked = tmp_path / "locked.h"
-    locked.write_text("")
-    locked.chmod(0)
-    try:
-        with pytest.raises(OSError):
-            pch._include_closure(tmp_path, ["a.h"])
-    finally:
-        locked.chmod(0o644)
-    assert "Could not read locked.h" in caplog.text
-
-
-def test_pch_extra_scripts_gated(monkeypatch: pytest.MonkeyPatch) -> None:
-    with patch.dict(os.environ, {}, clear=True):
-        assert pch.pch_extra_scripts() == ["post:pch.py"]
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    assert pch.pch_extra_scripts() == []
-
-
-def test_include_closure_raises_when_identity_unknown(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """An unreadable header propagates; callers compile without a pch."""
-
-    class _BadFile:
-        def stat(self):  # noqa: ANN202 -- regular-file mode only
-            import os
-            import stat as stat_mod
-
-            return os.stat_result((stat_mod.S_IFREG | 0o644,) + (0,) * 9)
-
-        def read_bytes(self) -> bytes:
-            raise OSError("read failed")
-
-    class _FakeSrcDir:
-        def __truediv__(self, rel: str) -> _BadFile:
-            return _BadFile()
-
-    with pytest.raises(OSError, match="read failed"):
-        pch._include_closure(_FakeSrcDir(), ["a.h"])
-    assert "Could not read a.h" in caplog.text
-
-
-def test_include_closure_survives_non_utf8_include_name(tmp_path: Path) -> None:
-    """A non-UTF-8 quoted include must not abort the build; it simply does
-    not resolve and ends the walk."""
-    (tmp_path / "a.h").write_bytes(b'#include "bad\xff.h"\n#include "b.h"\n')
-    (tmp_path / "b.h").write_text("")
-    closure = pch._include_closure(tmp_path, ["a.h"])
-    assert set(closure) == {"a.h", "b.h"}
-
-
-def test_pch_checksum_survives_surrogate_extra(tmp_path: Path) -> None:
-    """Install paths from non-UTF-8 filesystems carry surrogates; hashing
-    them must not raise past the caller's identity-unknown guard."""
-    assert pch.pch_checksum(tmp_path, [], ["/opt/bad\udcff/framework"])
-
-
-def test_include_closure_walks_angle_includes_under_src(tmp_path: Path) -> None:
-    """An angle include resolving under src/ must enter the digest; one
-    that does not simply ends the walk."""
-    _write(tmp_path, "a.h", "#include <local.h>\n#include <Arduino.h>\n")
-    (tmp_path / "local.h").write_text("")
-    closure = pch._include_closure(tmp_path, ["a.h"])
-    assert set(closure) == {"a.h", "local.h"}
-
-
-def test_ccache_pch_env_warns_on_falsy_extsum(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A user CCACHE_PCH_EXTSUM=false makes ccache hash the .gch bytes."""
-    pch.mark_pch_emitted()
-    with patch.dict(os.environ, {"CCACHE_PCH_EXTSUM": "false"}, clear=True):
-        env = pch.ccache_pch_env()
-    assert "CCACHE_PCH_EXTSUM" not in env
-    assert "disables pch caching" in caplog.text
-
-
-@pytest.mark.parametrize(
-    ("value", "expected"),
-    [(None, False), ("0", False), ("1", True), ("true", True)],
-)
-def test_pch_strict(
-    value: str | None, expected: bool, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    if value is None:
-        monkeypatch.delenv("ESPHOME_PCH_STRICT", raising=False)
-    else:
-        monkeypatch.setenv("ESPHOME_PCH_STRICT", value)
-    assert pch.pch_strict() is expected
-
-
-def test_pch_cmake_consumer_substitutes_target_and_sources(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    monkeypatch.delenv("ESPHOME_PCH_ENABLE", raising=False)
-    monkeypatch.delenv("ESPHOME_PCH_STRICT", raising=False)
-    block = pch.pch_cmake_consumer("app", "${APP_SOURCES}")
-    assert "target_compile_options(app PRIVATE" in block
-    assert '"$<$<COMPILE_LANGUAGE:CXX>:-Winvalid-pch>"' in block
-    assert "-Wno-error=invalid-pch" in block
-    assert '"$<$<COMPILE_LANGUAGE:CXX>:esphome_pch.h>"' in block
-    assert "set_source_files_properties(${APP_SOURCES} PROPERTIES" in block
-    assert 'OBJECT_DEPENDS "${CMAKE_BINARY_DIR}/esphome_pch.h"' in block
-    # Placeholder guard: survives a build-system-side pristine wipe
-    assert 'file(TOUCH "${CMAKE_BINARY_DIR}/esphome_pch.h")' in block
-
-
-def test_pch_cmake_consumer_strict_escalates(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    monkeypatch.delenv("ESPHOME_PCH_ENABLE", raising=False)
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    assert "-Werror=invalid-pch" in pch.pch_cmake_consumer("app", "${APP_SOURCES}")
-
-
-def test_pch_cmake_consumer_empty_when_disabled(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    assert pch.pch_cmake_consumer("app", "${APP_SOURCES}") == ""
-
-
-def test_guarded_prepare_logs_placeholder_failure(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A failed placeholder touch must be traceable, not silent."""
-    monkeypatch.delenv("ESPHOME_PCH_STRICT", raising=False)
-
-    def boom() -> None:
-        raise RuntimeError("boom")
-
-    # Missing build dir: the touch raises and only warns
-    pch.guarded_prepare(tmp_path / "missing", boom)
-    assert "Could not create the pch placeholder" in caplog.text
-
-
-def test_pch_degraded_raises_only_in_strict(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    from esphome.core import EsphomeError
-
-    monkeypatch.delenv("ESPHOME_PCH_STRICT", raising=False)
-    pch.pch_degraded("reason")
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with pytest.raises(EsphomeError, match="reason"):
-        pch.pch_degraded("reason")
-
-
-def test_pch_extra_scripts_strict_raises_when_disabled(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with pytest.raises(EsphomeError, match="disabled"):
-        pch.pch_extra_scripts()
-
-
-def test_pch_strict_rejects_unrecognized_values(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    """A typo must not silently disable the gate."""
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "yolo")
-    with pytest.raises(EsphomeError, match="Unrecognized ESPHOME_PCH_STRICT"):
-        pch.pch_strict()
-
-
-def test_discard_pch_raises_when_gch_survives(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """A .gch an unlink failure leaves behind would be consumed silently."""
-    from pathlib import Path as _P
-
-    from esphome.core import EsphomeError
-
-    (tmp_path / "esphome_pch.h").write_text("")
-    gch = tmp_path / "esphome_pch.h.gch"
-    gch.write_bytes(b"gch")
-    real_unlink = _P.unlink
-
-    def failing_unlink(self, missing_ok=False):
-        if self.name.endswith(".gch"):
-            raise OSError("readonly")
-        return real_unlink(self, missing_ok=missing_ok)
-
-    monkeypatch.setattr(_P, "unlink", failing_unlink)
-    with pytest.raises(EsphomeError, match="Could not discard"):
-        pch.discard_pch(tmp_path)
-
-
-def test_discard_pch_raises_when_sum_survives(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """The .sum is ccache's pch identity; one that survives is as unsafe
-    as a surviving .gch."""
-    from pathlib import Path as _P
-
-    from esphome.core import EsphomeError
-
-    (tmp_path / "esphome_pch.h").write_text("")
-    (tmp_path / "esphome_pch.h.gch").write_bytes(b"gch")
-    (tmp_path / "esphome_pch.h.gch.sum").write_text("x")
-    real_unlink = _P.unlink
-
-    def failing_unlink(self, missing_ok=False):
-        if self.name.endswith(".sum"):
-            raise OSError("readonly")
-        return real_unlink(self, missing_ok=missing_ok)
-
-    monkeypatch.setattr(_P, "unlink", failing_unlink)
-    with pytest.raises(EsphomeError, match="Could not discard"):
-        pch.discard_pch(tmp_path)
-
-
-def test_discard_pch_warns_when_file_vanished_concurrently(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """An unlink error on a file that is nonetheless gone only warns."""
-    from pathlib import Path as _P
-
-    (tmp_path / "esphome_pch.h").write_text("")
-    (tmp_path / "esphome_pch.h.gch").write_bytes(b"gch")
-    real_unlink = _P.unlink
-
-    def racing_unlink(self, missing_ok=False):
-        if self.name.endswith(".sum"):
-            # Racer removed it, then our unlink errored
-            raise OSError("stale handle")
-        return real_unlink(self, missing_ok=missing_ok)
-
-    monkeypatch.setattr(_P, "unlink", racing_unlink)
-    pch.discard_pch(tmp_path)
-    assert "Could not discard the pch sidecars" in caplog.text

tests/unit_tests/components/esp32/test_pch_wiring.py

@@ -1,43 +0,0 @@
-"""The pch script must reach PlatformIO builds only; the native ESP-IDF
-toolchain has its own pch flow in build_gen/espidf.py."""
-
-from pathlib import Path
-from unittest.mock import patch
-
-import pytest
-
-from esphome.components import esp32
-from esphome.const import Toolchain
-from esphome.core import CORE
-
-
-@pytest.mark.parametrize(
-    ("toolchain", "copied"),
-    [(Toolchain.PLATFORMIO, True), (Toolchain.ESP_IDF, False)],
-)
-def test_copy_files_gates_pch_script_on_toolchain(
-    toolchain: Toolchain, copied: bool, tmp_path: Path
-) -> None:
-    CORE.toolchain = toolchain
-    CORE.build_path = tmp_path
-    from esphome.components.esp32 import (
-        KEY_ESP32,
-        KEY_EXTRA_BUILD_FILES,
-        KEY_FLASH_SIZE,
-    )
-
-    with (
-        patch.object(esp32, "_write_sdkconfig") as write_sdkconfig,
-        patch.object(esp32, "_write_idf_component_yml"),
-        patch.object(esp32, "copy_pch_script") as copy_script,
-        patch.object(esp32, "write_file_if_changed"),
-        patch.object(esp32, "get_partition_csv"),
-        patch.dict(
-            CORE.data,
-            {KEY_ESP32: {KEY_EXTRA_BUILD_FILES: {}, KEY_FLASH_SIZE: "4MB"}},
-        ),
-    ):
-        esp32.copy_files()
-    # Proves execution reached (and passed) the gate on both rows
-    assert write_sdkconfig.called
-    assert copy_script.called is copied

tests/unit_tests/components/esp8266/test_toolchain_validation.py

@@ -1,191 +0,0 @@
-"""Tests for the native (non-PlatformIO) toolchain config validation."""
-
-from __future__ import annotations
-
-from collections.abc import Generator
-from pathlib import Path
-from types import SimpleNamespace
-from unittest.mock import patch
-
-import pytest
-
-from esphome.components import esp8266
-from esphome.components.esp8266 import (
-    ARDUINO_FRAMEWORK_SCHEMA,
-    _resolve_toolchain,
-    _validate_native_toolchain,
-)
-import esphome.config_validation as cv
-from esphome.const import (
-    CONF_BOARD,
-    CONF_FRAMEWORK,
-    CONF_PLATFORM_VERSION,
-    CONF_SOURCE,
-    CONF_TOOLCHAIN,
-    CONF_VERSION,
-    Toolchain,
-)
-from esphome.core import CORE, EsphomeError
-from esphome.types import ConfigType
-
-
-@pytest.fixture(autouse=True)
-def _arduino_toolchain() -> Generator[None]:
-    # The suite-wide reset_core fixture clears CORE.toolchain after each test
-    CORE.toolchain = Toolchain.ARDUINO
-    esp8266._DECODE_WARNED_AT.clear()
-    yield
-    esp8266._DECODE_WARNED_AT.clear()
-
-
-def _config(
-    board: str = "nodemcuv2",
-    version: str = "3.1.2",
-    source: str | None = None,
-    platform_version: str | None = None,
-) -> ConfigType:
-    framework: dict[str, str] = {CONF_VERSION: version}
-    if source is not None:
-        framework[CONF_SOURCE] = source
-    if platform_version is not None:
-        framework[CONF_PLATFORM_VERSION] = platform_version
-    # The real schema fills the source/platform_version defaults, so these
-    # tests validate against what config validation actually emits
-    return {
-        CONF_FRAMEWORK: ARDUINO_FRAMEWORK_SCHEMA(framework),
-        CONF_BOARD: board,
-    }
-
-
-def test_valid_config_passes() -> None:
-    config = _config()
-    assert _validate_native_toolchain(config) is config
-
-
-def test_platformio_toolchain_skips_checks() -> None:
-    CORE.toolchain = Toolchain.PLATFORMIO
-    config = _config(board="not_a_board", version="2.7.4")
-    assert _validate_native_toolchain(config) is config
-
-
-def test_version_below_floor_rejected() -> None:
-    # 3.1.0 has no registry package, so the native floor is 3.1.1
-    with pytest.raises(cv.Invalid, match="3.1.1 or newer"):
-        _validate_native_toolchain(_config(version="3.1.0"))
-
-
-def test_version_at_floor_accepted() -> None:
-    _validate_native_toolchain(_config(version="3.1.1"))
-
-
-def test_custom_platform_version_warns_and_is_dropped(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    config = _config(platform_version="platformio/espressif8266@4.0.1")
-    _validate_native_toolchain(config)
-    assert "'platform_version' is ignored" in caplog.text
-    assert CONF_PLATFORM_VERSION not in config[CONF_FRAMEWORK]
-
-
-def test_default_platform_version_does_not_warn(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    config = _config()
-    _validate_native_toolchain(config)
-    assert "'platform_version' is ignored" not in caplog.text
-    assert CONF_PLATFORM_VERSION not in config[CONF_FRAMEWORK]
-
-
-def test_custom_source_rejected() -> None:
-    with pytest.raises(cv.Invalid, match="custom framework source"):
-        _validate_native_toolchain(
-            _config(source="https://github.com/esp8266/Arduino.git")
-        )
-
-
-def test_unsupported_board_rejected() -> None:
-    with pytest.raises(cv.Invalid, match="not supported by"):
-        _validate_native_toolchain(_config(board="not_a_board"))
-
-
-def test_yaml_toolchain_key_resolves() -> None:
-    """The documented `toolchain: arduino` YAML key selects the native path."""
-    CORE.toolchain = None
-    _resolve_toolchain({CONF_TOOLCHAIN: Toolchain.ARDUINO})
-    assert CORE.toolchain == Toolchain.ARDUINO
-    assert CORE.using_toolchain_arduino
-
-
-def test_yaml_toolchain_key_defaults_to_platformio() -> None:
-    CORE.toolchain = None
-    _resolve_toolchain({})
-    assert CORE.toolchain == Toolchain.PLATFORMIO
-
-
-def test_decode_pc_native_missing_tools_warns_once(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A stack dump of many addresses produces one missing-tool warning."""
-
-    with (
-        patch(
-            "esphome.arduino8266.toolchain.get_addr2line_path",
-            return_value=tmp_path / "missing-addr2line",
-        ),
-        patch(
-            "esphome.arduino8266.toolchain.get_elf_path",
-            return_value=tmp_path / "missing.elf",
-        ),
-    ):
-        esp8266._decode_pc({}, "40201234")
-        esp8266._decode_pc({}, "40201238")
-    assert caplog.text.count("Cannot decode crash addresses") == 1
-
-
-def test_decode_pc_platformio_missing_tools_warns_once(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """The PlatformIO branch reports a missing addr2line/ELF at the same
-    warning level as the native one; raw undecoded addresses with no
-    stated reason are undiagnosable at default log level."""
-
-    CORE.toolchain = Toolchain.PLATFORMIO
-    idedata = SimpleNamespace(addr2line_path=None, firmware_elf_path=None)
-    with patch("esphome.platformio.toolchain.get_idedata", return_value=idedata):
-        esp8266._decode_pc({}, "40201234")
-        esp8266._decode_pc({}, "40201238")
-    assert caplog.text.count("Cannot decode crash addresses") == 1
-
-
-def test_resolve_toolchain_rejects_unsupported() -> None:
-    """ESP8266 rejects a CLI toolchain it cannot serve, like every platform."""
-
-    CORE.toolchain = Toolchain.SDK_NRF
-    with pytest.raises(cv.Invalid, match="Unsupported toolchain 'sdk-nrf'"):
-        _resolve_toolchain({})
-
-
-def test_run_compile_platformio_falls_through() -> None:
-    """Under toolchain: platformio the hook returns False without touching
-    the native backend; this is what keeps existing users on PlatformIO."""
-    CORE.toolchain = Toolchain.PLATFORMIO
-    with patch("esphome.arduino8266.toolchain.run_compile") as mock_native:
-        assert esp8266.run_compile(SimpleNamespace(), {}) is False
-    mock_native.assert_not_called()
-
-
-def test_run_compile_arduino_failure_raises() -> None:
-    """A non-zero native build fails by name instead of returning success."""
-    CORE.verbose = False
-    with (
-        patch("esphome.arduino8266.toolchain.run_compile", return_value=1),
-        pytest.raises(EsphomeError, match="native build failed"),
-    ):
-        esp8266.run_compile(SimpleNamespace(), {})
-
-
-def test_copy_files_native_skips_platformio_scripts(tmp_path: Path) -> None:
-    """The native build writes no PlatformIO extra scripts."""
-    CORE.build_path = tmp_path
-    esp8266.copy_files()
-    assert list(tmp_path.iterdir()) == []

tests/unit_tests/components/nrf52/test_pch.py

@@ -1,322 +0,0 @@
-"""nrf52 sdk-nrf pch wiring: the CMake consumer block, the prepare wrapper,
-and the two-phase west split in run_compile."""
-
-from collections.abc import Generator
-from pathlib import Path
-from unittest.mock import Mock, patch
-
-import pytest
-
-from esphome.components import nrf52
-from esphome.components.zephyr.const import KEY_BOARD
-from esphome.const import KEY_CORE, KEY_FRAMEWORK_VERSION, Toolchain
-from esphome.core import CORE, EsphomeError
-
-
-@pytest.fixture(autouse=True)
-def pch_env(monkeypatch: pytest.MonkeyPatch) -> None:
-    monkeypatch.delenv("ESPHOME_PCH_ENABLE", raising=False)
-    monkeypatch.delenv("ESPHOME_PCH_STRICT", raising=False)
-
-
-@pytest.fixture
-def build_dir(tmp_path: Path) -> Path:
-    d = tmp_path / "build" / ".pioenvs" / "livingroom"
-    d.mkdir(parents=True)
-    return d
-
-
-_AUTOCONF_TEXT = "#define CONFIG_GPIO 1\n"
-
-
-def _write_autoconf(build_dir: Path) -> Path:
-    autoconf = build_dir / "zephyr" / "include" / "generated" / "zephyr" / "autoconf.h"
-    autoconf.parent.mkdir(parents=True)
-    autoconf.write_text(_AUTOCONF_TEXT)
-    return autoconf
-
-
-def test_prepare_pch_disabled_discards_and_degrades(
-    monkeypatch: pytest.MonkeyPatch, build_dir: Path
-) -> None:
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    gch = build_dir / "esphome_pch.h.gch"
-    gch.write_bytes(b"x")
-    nrf52._prepare_pch(build_dir)
-    assert not gch.exists()
-
-
-def test_prepare_pch_disabled_strict_raises(
-    monkeypatch: pytest.MonkeyPatch, build_dir: Path
-) -> None:
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with pytest.raises(EsphomeError, match="ESPHOME_PCH_STRICT"):
-        nrf52._prepare_pch(build_dir)
-
-
-def test_prepare_pch_missing_autoconf_degrades(
-    build_dir: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    with patch.object(nrf52.pch, "prepare_pch") as prepare:
-        nrf52._prepare_pch(build_dir)
-    assert not prepare.called
-    assert "No autoconf.h found" in caplog.text
-    # The header is written first so OBJECT_DEPENDS stays satisfied
-    assert (build_dir / "esphome_pch.h").is_file()
-
-
-def test_prepare_pch_missing_autoconf_strict_raises(
-    monkeypatch: pytest.MonkeyPatch, build_dir: Path
-) -> None:
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    with pytest.raises(EsphomeError, match="autoconf.h missing"):
-        nrf52._prepare_pch(build_dir)
-
-
-def test_prepare_pch_unreadable_autoconf_fails_closed(
-    build_dir: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    # A directory named autoconf.h: read_text raises OSError
-    autoconf = build_dir / "zephyr" / "include" / "generated" / "autoconf.h"
-    autoconf.mkdir(parents=True)
-    with patch.object(nrf52.pch, "prepare_pch") as prepare:
-        nrf52._prepare_pch(build_dir)
-    assert not prepare.called
-    assert "Could not read" in caplog.text
-
-
-def test_app_build_dir_sysbuild_layout(build_dir: Path) -> None:
-    app = build_dir / "zephyr"
-    app.mkdir()
-    (app / "CMakeCache.txt").write_text("")
-    assert nrf52._app_build_dir(build_dir) == app
-
-
-def test_app_build_dir_top_level_layout(build_dir: Path) -> None:
-    # Non-sysbuild: build_dir/zephyr is the Zephyr output dir, no cache
-    (build_dir / "zephyr").mkdir()
-    assert nrf52._app_build_dir(build_dir) == build_dir
-
-
-def test_app_build_dir_ignores_cache_directory(build_dir: Path) -> None:
-    (build_dir / "zephyr" / "CMakeCache.txt").mkdir(parents=True)
-    assert nrf52._app_build_dir(build_dir) == build_dir
-
-
-def test_app_build_dir_propagates_stat_errors(build_dir: Path) -> None:
-    # is_file() would swallow this and mislocate the pch
-    with (
-        patch.object(Path, "stat", side_effect=PermissionError("denied")),
-        pytest.raises(PermissionError),
-    ):
-        nrf52._app_build_dir(build_dir)
-
-
-def test_prepare_pch_extras_carry_build_identity(build_dir: Path) -> None:
-    _write_autoconf(build_dir)
-    with (
-        patch.dict(CORE.data, {KEY_CORE: {KEY_FRAMEWORK_VERSION: "2.9.2"}}),
-        patch.object(
-            nrf52, "zephyr_data", return_value={KEY_BOARD: "adafruit_feather"}
-        ),
-        patch.object(nrf52, "get_project_compile_flags", return_value=["-Os"]),
-        patch.object(nrf52.pch, "prepare_pch") as prepare,
-    ):
-        nrf52._prepare_pch(build_dir)
-    assert (build_dir / "esphome_pch.h").is_file()
-    (passed_dir, headers, extras) = prepare.call_args.args
-    assert passed_dir == build_dir
-    assert headers == nrf52.PCH_DEFAULT_HEADERS
-    assert list(extras) == ["2.9.2", "adafruit_feather", _AUTOCONF_TEXT, "-Os"]
-
-
-def _generate_cmake(tmp_path: Path) -> str:
-    CORE.config_path = tmp_path / "test.yaml"
-    CORE.build_path = tmp_path / "build"
-    CORE.name = "livingroom"
-    with (
-        patch(
-            "esphome.components.zephyr.library.generate_zephyr_modules",
-            return_value=[],
-        ),
-        patch.object(nrf52, "get_project_compile_flags", return_value=["-Os"]),
-        patch.object(nrf52, "get_project_link_flags", return_value=[]),
-    ):
-        nrf52._generate_cmake_lists()
-    return (tmp_path / "build" / "zephyr" / "CMakeLists.txt").read_text()
-
-
-def test_cmake_lists_include_pch_consumer_block(tmp_path: Path) -> None:
-    # Content contract is pinned by the shared pch_cmake_consumer tests;
-    # here only that the block reaches the generated CMakeLists
-    text = _generate_cmake(tmp_path)
-    assert "target_compile_options(app PRIVATE" in text
-    assert 'OBJECT_DEPENDS "${CMAKE_BINARY_DIR}/esphome_pch.h"' in text
-
-
-def test_cmake_lists_pch_block_disabled(
-    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
-) -> None:
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-    assert "esphome_pch.h" not in _generate_cmake(tmp_path)
-
-
-CompileCtx = tuple[Mock, Mock, Path]
-
-
-class TestRunCompilePhases:
-    """The pch pre-build block in run_compile: header write, conditional
-    cmake-only phase, and the never-abort-the-build exception contract."""
-
-    @pytest.fixture
-    def compile_ctx(self, tmp_path: Path) -> Generator[CompileCtx, None, None]:
-        CORE.config_path = tmp_path / "test.yaml"
-        CORE.build_path = tmp_path / "build"
-        CORE.name = "livingroom"
-        CORE.toolchain = Toolchain.SDK_NRF
-        with (
-            patch.object(nrf52, "check_and_install"),
-            patch.object(nrf52, "_generate_cmake_lists", return_value=False),
-            patch.object(
-                nrf52,
-                "get_build_paths",
-                return_value={
-                    "python_executable": "python3",
-                    "framework_path": tmp_path,
-                },
-            ),
-            patch.object(nrf52, "get_build_env", return_value={}),
-            patch.object(nrf52, "zephyr_data", return_value={KEY_BOARD: "board"}),
-            patch.object(nrf52, "run_command_ok") as run_cmd,
-            patch.object(nrf52, "_prepare_pch") as prepare,
-        ):
-            yield run_cmd, prepare, CORE.relative_pioenvs_path(CORE.name)
-
-    def _run(self) -> None:
-        nrf52.run_compile(None, {})
-
-    def test_missing_db_runs_cmake_phase(self, compile_ctx: CompileCtx) -> None:
-        run_cmd, prepare, build_dir = compile_ctx
-        # cmake-only ok, generated headers ok, final build fails
-        results = iter([True, True, False])
-
-        def west(cmd, **kwargs):
-            # Phase 1 configures the sysbuild app domain
-            app = build_dir / "zephyr"
-            app.mkdir(parents=True, exist_ok=True)
-            (app / "CMakeCache.txt").write_text("")
-            return next(results)
-
-        run_cmd.side_effect = west
-        with pytest.raises(EsphomeError, match="nRF52 native build failed"):
-            self._run()
-        assert "--cmake-only" in run_cmd.call_args_list[0].args[0]
-        # Generated syscall headers are built in the app domain pre-pch
-        headers_cmd = run_cmd.call_args_list[1].args[0]
-        assert headers_cmd[:2] == ["cmake", "--build"]
-        assert str(build_dir / "zephyr") in headers_cmd
-        assert "zephyr_generated_headers" in headers_cmd
-        assert "--cmake-only" not in run_cmd.call_args_list[2].args[0]
-        # The pch is prepared in the app domain dir, not the sysbuild root
-        assert prepare.call_args.args[0] == build_dir / "zephyr"
-
-    def test_generated_headers_failure_degrades(
-        self, compile_ctx, caplog: pytest.LogCaptureFixture
-    ) -> None:
-        run_cmd, prepare, _ = compile_ctx
-        # headers target fails, the real build still runs (and fails here)
-        run_cmd.side_effect = [True, False, False]
-        with pytest.raises(EsphomeError, match="nRF52 native build failed"):
-            self._run()
-        assert "Zephyr header generation failed" in caplog.text
-        # The doomed .gch compile is skipped: it would latch .gch.failed
-        assert not prepare.called
-
-    def test_generated_headers_failure_strict_raises(
-        self, monkeypatch: pytest.MonkeyPatch, compile_ctx: CompileCtx
-    ) -> None:
-        monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-        run_cmd, prepare, _ = compile_ctx
-        run_cmd.side_effect = [True, False]
-        with pytest.raises(EsphomeError, match="ESPHOME_PCH_STRICT"):
-            self._run()
-        assert not prepare.called
-
-    def test_cmake_phase_failure_raises(self, compile_ctx: CompileCtx) -> None:
-        run_cmd, prepare, _ = compile_ctx
-        run_cmd.side_effect = [False]
-        with pytest.raises(EsphomeError, match="configure failed"):
-            self._run()
-        assert not prepare.called
-
-    def test_ccache_pch_env_reaches_west(self, compile_ctx: CompileCtx) -> None:
-        run_cmd, _, _ = compile_ctx
-        run_cmd.side_effect = [False]
-        # clear=True also drops ambient CCACHE_*/ESPHOME_PCH_* overrides
-        with (
-            patch.dict("os.environ", {}, clear=True),
-            pytest.raises(EsphomeError, match="configure failed"),
-        ):
-            self._run()
-        env = run_cmd.call_args.kwargs["env"]
-        assert env["CCACHE_PCH_EXTSUM"] == "true"
-        assert env["CCACHE_SLOPPINESS"] == "pch_defines,time_macros"
-
-    @pytest.mark.parametrize("sysbuild", [False, True])
-    def test_settled_db_skips_cmake_phase(
-        self, sysbuild: bool, compile_ctx: CompileCtx
-    ) -> None:
-        run_cmd, prepare, build_dir = compile_ctx
-        app = build_dir / "zephyr" if sysbuild else build_dir
-        app.mkdir(parents=True)
-        # A present top-level cache keeps the pristine wipe from dropping
-        # the DB; the app-dir cache is the sysbuild layout marker
-        (build_dir / "CMakeCache.txt").write_text("")
-        (app / "CMakeCache.txt").write_text("")
-        (app / "compile_commands.json").write_text("[]")
-        run_cmd.side_effect = [False]
-        with pytest.raises(EsphomeError, match="nRF52 native build failed"):
-            self._run()
-        assert run_cmd.call_count == 1
-        assert "--cmake-only" not in run_cmd.call_args.args[0]
-        assert prepare.call_args.args[0] == app
-
-    def test_disabled_skips_header_and_cmake_phase(
-        self, monkeypatch: pytest.MonkeyPatch, compile_ctx: CompileCtx
-    ) -> None:
-        monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-        run_cmd, prepare, build_dir = compile_ctx
-        run_cmd.side_effect = [False]
-        with pytest.raises(EsphomeError, match="nRF52 native build failed"):
-            self._run()
-        assert run_cmd.call_count == 1
-        assert not (build_dir / "esphome_pch.h").exists()
-        # The wrapper still runs: it discards stale sidecars and feeds strict
-        assert prepare.called
-
-    def test_prepare_failure_never_aborts_the_build(
-        self, compile_ctx, caplog: pytest.LogCaptureFixture
-    ) -> None:
-        run_cmd, prepare, build_dir = compile_ctx
-        build_dir.mkdir(parents=True)
-        # Keep the pristine wipe from dropping the dir the fallback touches
-        (build_dir / "CMakeCache.txt").write_text("")
-        prepare.side_effect = RuntimeError("boom")
-        run_cmd.side_effect = [True, True, False]
-        with pytest.raises(EsphomeError, match="nRF52 native build failed"):
-            self._run()
-        assert run_cmd.call_count == 3
-        assert "Precompiled header setup failed" in caplog.text
-        # The fallback still satisfies OBJECT_DEPENDS
-        assert (build_dir / "esphome_pch.h").is_file()
-
-    def test_prepare_failure_strict_raises(
-        self, monkeypatch: pytest.MonkeyPatch, compile_ctx: CompileCtx
-    ) -> None:
-        monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-        run_cmd, prepare, _ = compile_ctx
-        prepare.side_effect = RuntimeError("boom")
-        run_cmd.side_effect = [True, True]
-        with pytest.raises(RuntimeError, match="boom"):
-            self._run()

tests/unit_tests/core/test_config.py

@@ -1401,3 +1401,12 @@ async def test_add_platformio_options_native_arduino(
     assert "board_build.ldscript is ignored" in caplog.text
     assert "'arduino' toolchain" in caplog.text
     assert "upload_speed" not in caplog.text
+
+
+def test_esp8266_rejects_unsupported_cli_toolchain() -> None:
+    """Until the native backend lands, ESP8266 serves only PlatformIO."""
+    from esphome.components.esp8266 import CONFIG_SCHEMA
+
+    CORE.toolchain = Toolchain.ARDUINO
+    with pytest.raises(cv.Invalid, match="Unsupported toolchain 'arduino'"):
+        CONFIG_SCHEMA({"board": "nodemcuv2"})

tests/unit_tests/fixtures/idf_tools_stub/idf_tools.py

@@ -1,8 +1,7 @@
-"""Minimal idf_tools stand-in for the espidf helper-script tests."""
+"""Minimal idf_tools stand-in for get_tool_downloads.py tests."""
 
 from collections.abc import Iterable
 import os
-import pathlib
 
 CURRENT_PLATFORM = "linux-amd64"
 TOOLS_FILE = "tools/tools.json"
@@ -55,7 +54,6 @@ class _Tool:
         installed: Iterable[str] = (),
         broken: bool = False,
     ) -> None:
-        self.name = ""  # filled in from the _TOOLS key below
         self.versions = versions
         self._recommended = recommended
         self.versions_installed = list(installed)
@@ -71,19 +69,6 @@ class _Tool:
         if self._broken:
             raise ToolBinaryError("broken binary")
 
-    def get_path_for_version(self, version: str) -> str:
-        return str(pathlib.Path(g.idf_tools_path) / "tools" / self.name / version)
-
-    def install(self, version: str) -> None:
-        dest = pathlib.Path(self.get_path_for_version(version))
-        dest.mkdir(exist_ok=True, parents=True)
-        if self.name in os.environ.get("TEST_FAIL_INSTALL", "").split(","):
-            # Fail mid-install like a torn unpack: the partial dir is left
-            # behind and check_binary_valid's failure path exits the process
-            (dest / ".partial").write_text("torn", encoding="utf-8")
-            raise SystemExit(1)
-        (dest / ".installed").write_text("ok", encoding="utf-8")
-
 
 _TOOLS = {
     "cmake": _Tool(
@@ -112,17 +97,8 @@ _TOOLS = {
     "no-download-tool": _Tool({"4.0": _Version(None)}, "4.0"),
 }
 
-for _name, _tool in _TOOLS.items():
-    _tool.name = _name
-
 
 def load_tools_info() -> dict[str, _Tool]:
-    # Test hook: strip verification metadata from the named tools
-    for name in os.environ.get("TEST_NO_SHA", "").split(","):
-        if (tool := _TOOLS.get(name)) is not None:
-            for version in tool.versions.values():
-                if (download := version.get_download_for_platform("")) is not None:
-                    download.sha256 = ""
     return _TOOLS
 
 

tests/unit_tests/fixtures/lazy_imports/native_upload_fast_path.py

@@ -1,65 +0,0 @@
-"""Run the native-toolchain serial-upload path and report heavy modules.
-
-Executed as a subprocess by test_lazy_imports.py: heavy module names come
-in on argv, the ones found in sys.modules afterwards go out on stdout.
-``upload_using_esptool`` dispatches native toolchains through a
-toolchain-keyed table; if someone routes it back through the platform
-component packages (esp32 or esp8266), this reports the leak.
-"""
-
-import os
-from pathlib import Path
-import sys
-import tempfile
-from unittest.mock import patch
-
-from _leak_report import print_leaked_modules
-
-from esphome.__main__ import upload_using_esptool
-from esphome.const import (
-    CONF_ESPHOME,
-    KEY_CORE,
-    KEY_ESP32,
-    KEY_TARGET_PLATFORM,
-    KEY_VARIANT,
-    Toolchain,
-)
-from esphome.core import CORE
-
-# An ambient ESPHOME_USE_SUBPROCESS would route past the patched
-# run_external_command into run_external_process and confuse the checks.
-os.environ.pop("ESPHOME_USE_SUBPROCESS", None)
-
-config = {CONF_ESPHOME: {"platformio_options": {}}}
-
-with tempfile.TemporaryDirectory() as build_dir:
-    CORE.name = "leaktest"
-    CORE.build_path = build_dir
-
-    for platform, toolchain, backend in (
-        ("esp8266", Toolchain.ARDUINO, "esphome.arduino8266.toolchain"),
-        ("esp32", Toolchain.ESP_IDF, "esphome.espidf.toolchain"),
-    ):
-        CORE.data[KEY_CORE] = {KEY_TARGET_PLATFORM: platform}
-        if platform == "esp32":
-            CORE.data[KEY_ESP32] = {KEY_VARIANT: "ESP32S3"}
-        CORE.toolchain = toolchain
-
-        import importlib
-
-        image = importlib.import_module(backend).get_factory_firmware_path()
-        image.parent.mkdir(parents=True, exist_ok=True)
-        image.write_bytes(b"\x00")
-
-        with patch("esphome.__main__.run_external_command", return_value=0) as mock_run:
-            rc = upload_using_esptool(config, "/dev/ttyUSB0", None, None)
-
-        # Fail loudly if the upload path stopped doing its work; otherwise
-        # an empty leak list could just mean nothing ran.
-        if rc != 0:
-            sys.exit(f"upload_using_esptool({platform}) returned {rc}")
-        cmd = list(mock_run.call_args[0][1:])
-        if str(image) not in [str(Path(c)) for c in cmd]:
-            sys.exit(f"native factory image did not reach esptool: {cmd}")
-
-print_leaked_modules()

tests/unit_tests/test_arduino8266_framework.py

@@ -62,7 +62,7 @@ def test_tools_path_default_and_prefix(tmp_path: Path) -> None:
 def test_check_and_install_returns_paths(tmp_path: Path) -> None:
     with (
         patch.dict(os.environ, {"ESPHOME_ARDUINO8266_PREFIX": str(tmp_path)}),
-        patch.object(framework, "install_packages") as mock_install,
+        patch.object(framework, "install_package") as mock_install,
         patch.object(framework, "prefetch_packages") as mock_prefetch,
         patch.object(framework, "find_ninja", return_value=tmp_path / "ninja"),
     ):
@@ -70,27 +70,26 @@ def test_check_and_install_returns_paths(tmp_path: Path) -> None:
     assert paths.framework == tmp_path / "frameworks" / "3.30102.0"
     assert paths.toolchain == tmp_path / "toolchains" / framework.TOOLCHAIN_VERSION
     assert paths.ninja == tmp_path / "ninja"
+    assert mock_install.call_count == 2
     # Full argument pinning: a copy-paste swap between the two near-identical
-    # specs (mirrors, destination) must not stay green
-    assert mock_install.call_args.args == (
-        (
-            (
-                framework.FRAMEWORK_PACKAGE,
-                "3.30102.0",
-                tmp_path / "frameworks" / "3.30102.0",
-                framework.ESPHOME_ARDUINO8266_FRAMEWORK_MIRRORS,
-                ("cores/esp8266", "tools/sdk", "libraries"),
-            ),
-            (
-                framework.TOOLCHAIN_PACKAGE,
-                framework.TOOLCHAIN_VERSION,
-                tmp_path / "toolchains" / framework.TOOLCHAIN_VERSION,
-                framework.ESPHOME_ARDUINO8266_TOOLCHAIN_MIRRORS,
-                ("bin", "xtensa-lx106-elf"),
-            ),
-        ),
+    # calls (mirrors, destination) must not stay green
+    fw_call, tc_call = mock_install.call_args_list
+    assert fw_call.args == (
+        framework.FRAMEWORK_PACKAGE,
+        "3.30102.0",
+        tmp_path / "frameworks" / "3.30102.0",
+        framework.ESPHOME_ARDUINO8266_FRAMEWORK_MIRRORS,
         tmp_path / "downloads",
     )
+    assert fw_call.kwargs["expect"] == ("cores/esp8266", "tools/sdk", "libraries")
+    assert tc_call.args == (
+        framework.TOOLCHAIN_PACKAGE,
+        framework.TOOLCHAIN_VERSION,
+        tmp_path / "toolchains" / framework.TOOLCHAIN_VERSION,
+        framework.ESPHOME_ARDUINO8266_TOOLCHAIN_MIRRORS,
+        tmp_path / "downloads",
+    )
+    assert tc_call.kwargs["expect"] == ("bin", "xtensa-lx106-elf")
     # The prefetch sees the same package specs as the installs
     assert mock_prefetch.call_args.args == (
         [

tests/unit_tests/test_arduino8266_toolchain.py

@@ -1,657 +0,0 @@
-"""Tests for esphome.arduino8266.toolchain (the ninja build driver)."""
-
-from __future__ import annotations
-
-import os
-from pathlib import Path
-from unittest.mock import MagicMock, patch
-
-import pytest
-
-from esphome.arduino8266 import framework, toolchain
-from esphome.build_helpers.pch import mark_pch_emitted
-import esphome.config_validation as cv
-from esphome.const import (
-    CONF_COMPILE_PROCESS_LIMIT,
-    CONF_ESPHOME,
-    KEY_CORE,
-    KEY_FRAMEWORK_VERSION,
-)
-from esphome.core import CORE, EsphomeError
-
-_SIZE_OUTPUT = """\
-firmware.elf  :
-section       size    addr
-.data         1924    1073643520
-.noinit       56      1073645444
-.text         496     1074790400
-.irom0.text   342804  1075843088
-.text1        27489   1074790896
-.rodata       2588    1073645504
-.bss          26504   1073648096
-Total         401861
-"""
-
-
-@pytest.fixture(autouse=True)
-def _setup_core(tmp_path: Path) -> None:
-    CORE.name = "test8266"
-    CORE.config_path = tmp_path / "test8266.yaml"
-    CORE.build_path = tmp_path
-    CORE.data[KEY_CORE] = {KEY_FRAMEWORK_VERSION: cv.Version(3, 1, 2)}
-    # run_compile verifies the produced artifacts; give every test a build
-    # that "produced" them (tests for the guard delete them again). The
-    # manifest comes first: artifacts must not be older than build.ninja.
-    build_dir = CORE.relative_pioenvs_path("test8266")
-    build_dir.mkdir(parents=True, exist_ok=True)
-    (build_dir / "build.ninja").write_text("# manifest")
-    for artifact in (
-        "firmware.elf",
-        "firmware.bin",
-        "firmware.factory.bin",
-        "firmware.ota.bin",
-    ):
-        (build_dir / artifact).write_bytes(b"")
-
-
-def _paths(tmp_path: Path) -> framework.InstalledPaths:
-    return framework.InstalledPaths(
-        framework=tmp_path / "framework",
-        toolchain=tmp_path / "toolchain",
-        ninja=tmp_path / "ninja",
-    )
-
-
-def test_path_getters(tmp_path: Path) -> None:
-    assert toolchain.get_build_dir() == CORE.relative_pioenvs_path("test8266")
-    assert toolchain.get_elf_path().name == "firmware.elf"
-    # The framework accessor owns the layout and the Windows suffix
-    suffix = ".exe" if os.name == "nt" else ""
-    assert toolchain.get_addr2line_path().name == f"xtensa-lx106-elf-addr2line{suffix}"
-    assert toolchain.get_objdump_path().name == f"xtensa-lx106-elf-objdump{suffix}"
-    assert toolchain.get_readelf_path().name == f"xtensa-lx106-elf-readelf{suffix}"
-
-
-def test_run_compile_build_failure(tmp_path: Path) -> None:
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project"),
-        patch.object(
-            toolchain.subprocess, "run", return_value=MagicMock(returncode=2)
-        ) as mock_run,
-        patch.object(toolchain, "_write_compile_commands") as mock_compdb,
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=True) == 2
-    cmd = mock_run.call_args[0][0]
-    assert "-v" in cmd
-    # The compile database is generated before the build runs, so a failed
-    # build cannot leave a stale database behind.
-    mock_compdb.assert_called_once()
-
-
-def test_run_compile_success(tmp_path: Path) -> None:
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        # An unchanged manifest is what makes the -n probe run
-        patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout="", stderr=""),
-        ) as mock_run,
-        patch.object(toolchain, "_write_compile_commands") as mock_compdb,
-        patch.object(toolchain, "_print_size_summary") as mock_size,
-        patch.object(toolchain, "get_idedata") as mock_idedata,
-    ):
-        rc = toolchain.run_compile(
-            {CONF_ESPHOME: {CONF_COMPILE_PROCESS_LIMIT: 4}}, verbose=False
-        )
-    assert rc == 0
-    # The -n probe runs first, then the real build (cwd, no -C banner)
-    ninja_calls = [c for c in mock_run.call_args_list if "ninja" in str(c[0][0][0])]
-    assert "-n" in ninja_calls[0][0][0]
-    # Explicit targets: a manifest missing them fails as "unknown target"
-    assert ninja_calls[0][0][0][-1] == "firmware.ota.bin"
-    cmd = ninja_calls[1][0][0]
-    assert cmd[-4:] == ["-j", "4", "firmware.factory.bin", "firmware.ota.bin"]
-    assert "-C" not in cmd
-    assert ninja_calls[1][1]["cwd"] is not None
-    mock_compdb.assert_called_once()
-    mock_size.assert_called_once()
-    mock_idedata.assert_called_once()
-
-
-def test_run_compile_noop_skips_the_build_spawn(tmp_path: Path) -> None:
-    """A no-op rebuild stays quiet: the -n probe answers "no work to do"
-    and the real ninja spawn (and its banner) never happens."""
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        # An unchanged manifest is what makes the -n probe run
-        patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(
-                returncode=0, stdout="ninja: no work to do.\n", stderr=""
-            ),
-        ) as mock_run,
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary"),
-        patch.object(toolchain, "get_idedata"),
-    ):
-        rc = toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False)
-    assert rc == 0
-    ninja_calls = [c for c in mock_run.call_args_list if "ninja" in str(c[0][0][0])]
-    assert len(ninja_calls) == 1
-    assert "-n" in ninja_calls[0][0][0]
-    # Explicit targets: a manifest missing them fails as "unknown target"
-    assert ninja_calls[0][0][0][-1] == "firmware.ota.bin"
-
-
-def test_run_compile_regenerates_stale_compdb(tmp_path: Path) -> None:
-    """An interrupted run can leave build.ninja newer than the compile DB;
-    mere existence must not skip regeneration."""
-    build_dir = toolchain.get_build_dir()
-    build_dir.mkdir(parents=True, exist_ok=True)
-    (build_dir / "build.ninja").write_text("")
-    compdb = build_dir / "compile_commands.json"
-    compdb.write_text("[]")
-    os.utime(compdb, ((build_dir / "build.ninja").stat().st_mtime - 5,) * 2)
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(
-                returncode=0, stdout="ninja: no work to do.\n", stderr=""
-            ),
-        ),
-        patch.object(toolchain, "_write_compile_commands") as mock_compdb,
-        patch.object(toolchain, "_print_size_summary"),
-        patch.object(toolchain, "get_idedata"),
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    mock_compdb.assert_called_once()
-
-
-def test_run_compile_surfaces_probe_diagnostics(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A load-time ninja diagnostic (a generator bug signal) reaches the
-    user even when the no-work branch skips the real spawn."""
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        # An unchanged manifest is what makes the -n probe run
-        patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(
-                returncode=0,
-                stdout="ninja: no work to do.\n",
-                stderr="ninja: warning: multiple rules generate x\n",
-            ),
-        ),
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary"),
-        patch.object(toolchain, "get_idedata"),
-    ):
-        rc = toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False)
-    assert rc == 0
-    assert "multiple rules generate x" in caplog.text
-
-
-def test_run_compile_missing_artifact_fails(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A zero ninja exit that produced no firmware must not be a green
-    build (size summary and idedata only warn)."""
-    (toolchain.get_build_dir() / "firmware.elf").unlink()
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project"),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout="", stderr=""),
-        ),
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary") as mock_size,
-        patch.object(toolchain, "get_idedata"),
-    ):
-        rc = toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False)
-    assert rc == 1
-    assert "Build produced no" in caplog.text
-    mock_size.assert_not_called()
-
-
-def test_run_compile_warns_when_idedata_fails(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A failed idedata generation right after a successful build is visible,
-    not deferred to a misleading error in a later command."""
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project"),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout="", stderr=""),
-        ),
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary"),
-        patch.object(toolchain, "get_idedata", return_value=None),
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    assert "No idedata was generated for this build" in caplog.text
-
-
-def test_write_compile_commands(tmp_path: Path) -> None:
-    build_dir = tmp_path / "build"
-    build_dir.mkdir()
-    entries = '[{"file": "a.cpp", "command": "cc"}]\n'
-    with patch.object(
-        toolchain.subprocess,
-        "run",
-        return_value=MagicMock(returncode=0, stdout=entries),
-    ):
-        toolchain._write_compile_commands(tmp_path / "ninja", build_dir, {})
-    assert (build_dir / "compile_commands.json").read_text() == entries
-
-
-@pytest.mark.parametrize(
-    ("stdout", "match"),
-    [
-        ("[]\n", "empty compile database"),
-        # A parse failure names its cause, not the rule-name story
-        ("not json", "unparsable compile database.*not json"),
-    ],
-)
-def test_write_compile_commands_bad_db_raises(
-    tmp_path: Path, stdout: str, match: str
-) -> None:
-    """An empty or unparsable compile database fails the build with its
-    actual cause and drops any stale database."""
-    build_dir = tmp_path / "build"
-    build_dir.mkdir()
-    (build_dir / "compile_commands.json").write_text("[stale]")
-    with (
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout=stdout),
-        ),
-        pytest.raises(EsphomeError, match=match),
-    ):
-        toolchain._write_compile_commands(tmp_path / "ninja", build_dir, {})
-    assert not (build_dir / "compile_commands.json").exists()
-
-
-def test_write_compile_commands_failure_removes_stale_db(tmp_path: Path) -> None:
-    """A failed compdb run must not leave a stale database behind."""
-    stale = tmp_path / "compile_commands.json"
-    stale.write_text("[]")
-    with (
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=1, stderr="boom"),
-        ),
-        pytest.raises(EsphomeError, match="compile_commands"),
-    ):
-        toolchain._write_compile_commands(tmp_path / "ninja", tmp_path, {})
-    assert not stale.exists()
-
-
-def test_parse_app_size(tmp_path: Path) -> None:
-    ld = tmp_path / "eagle.flash.4m.ld"
-    ld.write_text("MEMORY\n{\n  irom0_0_seg :  org = 0x40201010, len = 0xfeff0\n}\n")
-    with patch("esphome.build_gen.arduino8266.get_flash_ld_path", return_value=ld):
-        assert toolchain._parse_app_size(tmp_path, _paths(tmp_path)) == 0xFEFF0
-
-    ld.write_text("MEMORY { }\n")
-    with patch("esphome.build_gen.arduino8266.get_flash_ld_path", return_value=ld):
-        assert toolchain._parse_app_size(tmp_path, _paths(tmp_path)) is None
-
-    # A zero-length segment is bad data, not a budget; warn and drop it
-    ld.write_text("MEMORY\n{\n  irom0_0_seg :  org = 0x40201010, len = 0x0\n}\n")
-    with patch("esphome.build_gen.arduino8266.get_flash_ld_path", return_value=ld):
-        assert toolchain._parse_app_size(tmp_path, _paths(tmp_path)) is None
-
-    with patch(
-        "esphome.build_gen.arduino8266.get_flash_ld_path",
-        return_value=tmp_path / "missing.ld",
-    ):
-        assert toolchain._parse_app_size(tmp_path, _paths(tmp_path)) is None
-
-
-def test_print_size_summary(tmp_path: Path, capsys: pytest.CaptureFixture[str]) -> None:
-    with (
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout=_SIZE_OUTPUT),
-        ),
-        patch.object(toolchain, "_parse_app_size", return_value=1044464),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    out = capsys.readouterr().out
-    # Exact PlatformIO shape so script/ci_memory_impact_extract.py can parse it
-    assert "RAM:   [====      ]  37.9% (used 31016 bytes from 81920 bytes)" in out
-    assert "Flash: [====      ]  35.9% (used 375301 bytes from 1044464 bytes)" in out
-
-
-def test_print_size_summary_missing_size_tool_warns(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A missing size binary degrades to a warning; the firmware already
-    linked and must not be discarded."""
-    with patch.object(
-        toolchain.subprocess, "run", side_effect=FileNotFoundError("no size")
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    assert "Could not summarize firmware size" in caplog.text
-
-
-def test_print_size_summary_no_app_size(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    with (
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout=_SIZE_OUTPUT),
-        ),
-        patch.object(toolchain, "_parse_app_size", return_value=None),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    out = capsys.readouterr().out
-    # Both lines are skipped together: a RAM line without Flash would skew
-    # CI's memory-impact sums across builds
-    assert out == ""
-
-
-def test_print_size_summary_size_tool_failure(
-    tmp_path: Path,
-    capsys: pytest.CaptureFixture[str],
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    with patch.object(
-        toolchain.subprocess,
-        "run",
-        return_value=MagicMock(returncode=1, stdout="", stderr="bad elf"),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    assert capsys.readouterr().out == ""
-    assert "Could not summarize firmware size" in caplog.text
-
-
-def test_get_idedata_delegates(tmp_path: Path) -> None:
-    with (
-        patch(
-            "esphome.build_helpers.idedata.load_or_build_idedata",
-            return_value={"cc_path": "x"},
-        ) as mock_load,
-        patch.object(toolchain, "resolve_ccache_path", return_value="/cc/ccache"),
-    ):
-        assert toolchain.get_idedata() == {"cc_path": "x"}
-    compile_commands, elf, cache = mock_load.call_args[0]
-    assert compile_commands.name == "compile_commands.json"
-    assert elf.name == "firmware.elf"
-    assert cache.name == "test8266.arduino.json"
-    # The exact configured launcher string is passed for compile DB parsing
-    # (resolve_ccache_path returns a str, untouched on every platform)
-    assert mock_load.call_args.kwargs["launcher"] == "/cc/ccache"
-
-
-def test_get_idedata_no_ccache(tmp_path: Path) -> None:
-    with (
-        patch(
-            "esphome.build_helpers.idedata.load_or_build_idedata", return_value={}
-        ) as mock_load,
-        patch.object(toolchain, "resolve_ccache_path", return_value=None),
-    ):
-        toolchain.get_idedata()
-    assert mock_load.call_args.kwargs["launcher"] is None
-
-
-def test_run_compile_skips_compdb_when_ninja_unchanged(tmp_path: Path) -> None:
-    """An unchanged build.ninja means the compile DB is already current."""
-    build_dir = toolchain.get_build_dir()
-    build_dir.mkdir(parents=True, exist_ok=True)
-    # write_project (stubbed below) always leaves a build.ninja behind
-    (build_dir / "build.ninja").write_text("# manifest")
-
-    def run(regenerate_expected: bool) -> None:
-        with (
-            patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-            patch.object(framework, "get_build_env", return_value={}),
-            patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-            patch.object(
-                toolchain.subprocess,
-                "run",
-                return_value=MagicMock(returncode=0, stdout="", stderr=""),
-            ),
-            patch.object(toolchain, "_write_compile_commands") as mock_compdb,
-            patch.object(toolchain, "_print_size_summary"),
-            patch.object(toolchain, "get_idedata"),
-        ):
-            assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-        assert mock_compdb.called == regenerate_expected
-
-    # Missing compile DB: regenerated even though build.ninja is unchanged
-    run(regenerate_expected=True)
-    # Present compile DB + unchanged build.ninja: skipped
-    (build_dir / "compile_commands.json").write_text("[]")
-    run(regenerate_expected=False)
-
-
-def test_print_size_summary_unparsable_section(
-    tmp_path: Path,
-    capsys: pytest.CaptureFixture[str],
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A totals-relevant section that fails to parse must not produce a
-    confident wrong number; an irrelevant one only warns."""
-    bad = _SIZE_OUTPUT.replace(".bss          26504", ".bss          abc")
-    with patch.object(
-        toolchain.subprocess,
-        "run",
-        return_value=MagicMock(returncode=0, stdout=bad),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    assert capsys.readouterr().out == ""
-    assert "Unparsable size output" in caplog.text
-
-    caplog.clear()
-    harmless = _SIZE_OUTPUT + ".broken   abc   0\n"
-    with (
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout=harmless),
-        ),
-        patch.object(toolchain, "_parse_app_size", return_value=1044464),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    assert "RAM:" in capsys.readouterr().out
-    assert "Unparsable size output" in caplog.text
-
-
-def test_print_size_summary_missing_section_skips_summary(
-    tmp_path: Path,
-    capsys: pytest.CaptureFixture[str],
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A totals section absent from the output must not default to zero."""
-    without_bss = "\n".join(
-        line for line in _SIZE_OUTPUT.splitlines() if ".bss" not in line
-    )
-    with patch.object(
-        toolchain.subprocess,
-        "run",
-        return_value=MagicMock(returncode=0, stdout=without_bss),
-    ):
-        toolchain._print_size_summary(tmp_path, _paths(tmp_path))
-    assert capsys.readouterr().out == ""
-    assert "missing section(s) .bss" in caplog.text
-
-
-def test_warn_ignored_platformio_options(caplog: pytest.LogCaptureFixture) -> None:
-    """Component-added options the native build drops are warned by name;
-    the honored ones (lib_ignore, f_cpu, ldscript, build_src_flags,
-    flash_mode) stay quiet."""
-    CORE.platformio_options = {
-        "board_build.ldscript": "eagle.flash.4m2m.ld",
-        "board_build.f_cpu": "160000000L",
-        "board_build.filesystem": "littlefs",
-        "board_build.flash_mode": "dio",
-        "build_src_flags": "-include throw_stubs.h",
-        "lib_ignore": ["Updater"],
-        "upload_speed": "460800",
-    }
-    toolchain._warn_ignored_platformio_options()
-    assert "platformio_options->board_build.filesystem is ignored" in caplog.text
-    assert "native 'arduino' toolchain" in caplog.text
-    assert "board_build.ldscript is ignored" not in caplog.text
-    assert "board_build.f_cpu is ignored" not in caplog.text
-    assert "lib_ignore" not in caplog.text
-    assert "build_src_flags" not in caplog.text
-    assert "flash_mode" not in caplog.text
-    # Component-added upload_speed never gets read under the native
-    # toolchain, so it must warn
-    assert "upload_speed" in caplog.text
-
-
-def test_run_compile_idedata_error_does_not_fail_build(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """An unusable compile DB after a successful build warns, never fails."""
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project"),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout="", stderr=""),
-        ),
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary"),
-        patch.object(
-            toolchain,
-            "get_idedata",
-            side_effect=EsphomeError("compile database is unusable"),
-        ),
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    assert "Could not generate idedata: compile database is unusable" in caplog.text
-
-
-def test_run_compile_skipped_size_summary_names_consequence(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A skipped RAM/Flash summary warns about the missing metric; the
-    per-cause warnings alone are invisible to CI harnesses."""
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project"),
-        patch.object(
-            toolchain.subprocess,
-            "run",
-            return_value=MagicMock(returncode=0, stdout="", stderr=""),
-        ),
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary", return_value=False),
-        patch.object(toolchain, "get_idedata", return_value=None),
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    assert "Firmware size summary unavailable for this build" in caplog.text
-
-
-def test_parse_app_size_non_utf8_ld_warns(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A corrupt (non-UTF-8) linker script degrades to the same warning as
-    an unreadable one, never a traceback after a successful link."""
-    paths = _paths(tmp_path)
-    ld = tmp_path / "corrupt.ld"
-    ld.write_bytes(b"\xff\xfe not utf8")
-    with patch("esphome.build_gen.arduino8266.get_flash_ld_path", return_value=ld):
-        assert toolchain._parse_app_size(tmp_path, paths) is None
-    assert "Cannot read linker script" in caplog.text
-
-
-def test_run_compile_failed_probe_runs_full_build(tmp_path: Path) -> None:
-    """A failing -n probe (e.g. unknown target from a defective manifest)
-    falls through to the real build so the error prints attributably."""
-    probe = MagicMock(returncode=1, stdout="", stderr="")
-    ok = MagicMock(returncode=0, stdout="", stderr="")
-
-    def fake_run(cmd, *args, **kwargs):
-        return probe if "-n" in cmd else ok
-
-    with (
-        patch.object(framework, "check_and_install", return_value=_paths(tmp_path)),
-        patch.object(framework, "get_build_env", return_value={}),
-        patch("esphome.build_gen.arduino8266.write_project", return_value=False),
-        patch.object(toolchain.subprocess, "run", side_effect=fake_run) as mock_run,
-        patch.object(toolchain, "_write_compile_commands"),
-        patch.object(toolchain, "_print_size_summary", return_value=True),
-        patch.object(toolchain, "get_idedata", return_value={}),
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    # The real build ran after the failed probe
-    assert any(
-        "firmware.ota.bin" in c[0][0] and "-n" not in c[0][0]
-        for c in mock_run.call_args_list
-    )
-
-
-def test_get_idedata_accepts_preresolved_ccache() -> None:
-    """run_compile threads its resolved ccache through; the probe must not
-    run again."""
-    with (
-        patch(
-            "esphome.build_helpers.idedata.load_or_build_idedata",
-            return_value={"ok": True},
-        ) as mock_build,
-        patch.object(toolchain, "resolve_ccache_path") as mock_resolve,
-    ):
-        assert toolchain.get_idedata("/usr/bin/ccache") == {"ok": True}
-    mock_resolve.assert_not_called()
-    assert mock_build.call_args.kwargs["launcher"] == "/usr/bin/ccache"
-
-
-def test_ccache_env_includes_pch_settings() -> None:
-    """The native build exports the ccache settings the pch needs."""
-    mark_pch_emitted()
-    with patch.dict(os.environ, {}, clear=True):
-        env = framework.ccache_env("/usr/bin/ccache")
-    assert env["CCACHE_SLOPPINESS"] == "pch_defines,time_macros"
-    assert env["CCACHE_PCH_EXTSUM"] == "true"
-
-
-def test_ccache_env_pch_disabled() -> None:
-    with patch.dict(os.environ, {"ESPHOME_PCH_ENABLE": "0"}, clear=True):
-        env = framework.ccache_env("/usr/bin/ccache")
-    assert "CCACHE_SLOPPINESS" not in env
-    assert "CCACHE_PCH_EXTSUM" not in env
-
-
-def test_ccache_env_respects_user_sloppiness() -> None:
-    mark_pch_emitted()
-    with patch.dict(os.environ, {"CCACHE_SLOPPINESS": "locale"}, clear=True):
-        env = framework.ccache_env("/usr/bin/ccache")
-    # The user's tokens survive; the ones the pch needs are unioned on
-    assert env["CCACHE_SLOPPINESS"] == "locale,pch_defines,time_macros"
-    assert env["CCACHE_PCH_EXTSUM"] == "true"

tests/unit_tests/test_core.py

@@ -568,16 +568,6 @@ class TestEsphomeCore:
         target.config_path = Path("foo/config")
         return target
 
-    def test_add_platformio_option_merges_string_into_list(self, target) -> None:
-        """A user platformio_options string lands after a component's list
-        (FINAL priority) and must merge as one element, not assert."""
-        target.add_platformio_option("extra_scripts", ["post:pch.py"])
-        target.add_platformio_option("extra_scripts", "pre:mine.py")
-        assert target.platformio_options["extra_scripts"] == [
-            "post:pch.py",
-            "pre:mine.py",
-        ]
-
     def test_reset(self, target):
         """Call reset on target and compare to new instance"""
         other = core.EsphomeCore().__dict__

tests/unit_tests/test_espidf_framework.py

@@ -19,7 +19,6 @@ from unittest.mock import MagicMock, patch
 
 import pytest
 
-from esphome.build_helpers.pch import _PCHData
 from esphome.espidf.framework import (
     ESPHOME_STAMP_FILE,
     STAMP_SCHEMA_VERSION,
@@ -37,7 +36,6 @@ from esphome.espidf.framework import (
     _patch_tools_json_demote_unused_tools,
     _patch_tools_json_for_linux_arm64,
     _prefetch_idf_tool_archives,
-    _preinstall_idf_tool_archives,
     _read_stamp,
     _stamp_covers,
     _windows_long_paths_enabled,
@@ -404,7 +402,6 @@ def espidf_mocks(setup_core: Path):
         patch("esphome.espidf.framework._patch_tools_json_for_linux_arm64"),
         patch("esphome.espidf.framework._patch_tools_json_demote_unused_tools"),
         patch("esphome.espidf.framework._prefetch_idf_tool_archives"),
-        patch("esphome.espidf.framework._preinstall_idf_tool_archives"),
         patch("esphome.espidf.framework._write_stamp"),
         patch("esphome.espidf.framework._check_stamp", return_value=True),
         patch("esphome.espidf.framework._stamp_covers", return_value=True),
@@ -1026,16 +1023,11 @@ def test_prefetch_downloads_archives_concurrently(tmp_path: Path) -> None:
     assert download.call_count == 6
 
 
-def test_prefetch_reverifies_already_downloaded_archives(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A pre-existing archive is not skipped: download_with_resume keeps it
-    only when the sha256 matches, so the pre-extraction can trust it."""
+def test_prefetch_skips_already_downloaded_archives(tmp_path: Path) -> None:
     dist = get_idf_tools_path() / "dist"
     dist.mkdir(parents=True)
     (dist / "cmake-3.30.2.tar.gz").write_bytes(b"cached")
     with (
-        caplog.at_level(logging.INFO),
         patch(
             "esphome.espidf.framework.run_command",
             return_value=(True, _PREFETCH_JSON, ""),
@@ -1045,12 +1037,9 @@ def test_prefetch_reverifies_already_downloaded_archives(
     ):
         _prefetch_idf_tool_archives(tmp_path, "esp32", ["required"], None)
 
-    assert sorted(call[0][1] for call in download.call_args_list) == [
-        dist / "cmake-3.30.2.tar.gz",
-        dist / "ninja.zip",
-    ]
-    # The log distinguishes verifying cached archives from real downloads
-    assert "Downloading 2 ESP-IDF tool archive(s) (1 cached, verifying)" in caplog.text
+    # only the missing archive is downloaded
+    assert download.call_count == 1
+    assert download.call_args[0][1] == dist / "ninja.zip"
 
 
 @pytest.mark.parametrize(
@@ -1171,41 +1160,30 @@ def test_prefetch_passes_targets_and_tools_to_script(tmp_path: Path) -> None:
     cmd = run.call_args[0][0]
     assert cmd[-3:] == ["esp32,esp32c3", "required", "cmake"]
     assert cmd[1].endswith("get_tool_downloads.py")
-    # the script inherits the caller's env plus an explicit PYTHONPATH:
-    # sibling scripts, the esphome package root, the framework's idf_tools
+    # the script inherits the caller's env plus the framework tools PYTHONPATH
     env = run.call_args[1]["env"]
     assert env["IDF_TOOLS_PATH"] == "/x"
-    assert env["PYTHONPATH"] == os.pathsep.join(
-        (
-            str(_ESPIDF_SCRIPTS_DIR),
-            str(_ESPIDF_SCRIPTS_DIR.parents[1]),
-            str(tmp_path / "tools"),
-        )
-    )
+    assert env["PYTHONPATH"] == str(tmp_path / "tools")
 
 
 def test_framework_install_prefetches_before_installer(
     espidf_mocks: SimpleNamespace,
 ) -> None:
-    """The prefetch downloads and the pre-extraction both run before
-    idf_tools.py install so the installer finds the tools in place."""
+    """The prefetch runs before idf_tools.py install so the installer finds
+    the archives already in dist/."""
     calls: list[str] = []
     with (
         patch(
             "esphome.espidf.framework._prefetch_idf_tool_archives",
             side_effect=lambda *a, **k: calls.append("prefetch"),
         ),
-        patch(
-            "esphome.espidf.framework._preinstall_idf_tool_archives",
-            side_effect=lambda *a, **k: calls.append("preinstall"),
-        ),
     ):
         espidf_mocks.run_ok.side_effect = lambda *a, **k: (
             calls.append("install") or True
         )
         check_esp_idf_install(_IDF_VERSION, force=True)
 
-    assert calls.index("prefetch") < calls.index("preinstall") < calls.index("install")
+    assert calls.index("prefetch") < calls.index("install")
 
 
 # ---------------------------------------------------------------------------
@@ -1214,16 +1192,13 @@ def test_framework_install_prefetches_before_installer(
 
 
 _IDF_TOOLS_STUB_DIR = Path(__file__).parent / "fixtures" / "idf_tools_stub"
-_ESPIDF_SCRIPTS_DIR = Path(__file__).parents[2] / "esphome" / "espidf"
 
 
-def _run_espidf_script(
-    tmp_path: Path,
-    script_name: str,
-    *args: str,
-    env_extra: dict[str, str] | None = None,
+def _run_downloads_script(
+    tmp_path: Path, *args: str, env_extra: dict[str, str] | None = None
 ) -> subprocess.CompletedProcess[str]:
-    """Run a real espidf helper script against the stub idf_tools module."""
+    """Run the real get_tool_downloads.py against the stub idf_tools module."""
+    script = Path(__file__).parents[2] / "esphome" / "espidf" / "get_tool_downloads.py"
     env = os.environ | {
         "PYTHONPATH": str(_IDF_TOOLS_STUB_DIR),
         "IDF_TOOLS_PATH": str(tmp_path / "tp"),
@@ -1231,12 +1206,7 @@ def _run_espidf_script(
     if env_extra:
         env |= env_extra
     return subprocess.run(
-        [
-            sys.executable,
-            str(_ESPIDF_SCRIPTS_DIR / script_name),
-            str(tmp_path / "fw"),
-            *args,
-        ],
+        [sys.executable, str(script), str(tmp_path / "fw"), *args],
         capture_output=True,
         text=True,
         env=env,
@@ -1248,7 +1218,7 @@ def test_get_tool_downloads_lists_missing_tools(tmp_path: Path) -> None:
     """Installed versions are skipped, tools that fail their binary check are
     still listed, rename_dist decides the dist filename, and idf_tools' stdout
     chatter stays off the JSON channel."""
-    result = _run_espidf_script(tmp_path, "get_tool_downloads.py", "esp32", "required")
+    result = _run_downloads_script(tmp_path, "esp32", "required")
 
     assert result.returncode == 0, result.stderr
     downloads = {d["name"]: d for d in json.loads(result.stdout)}
@@ -1264,9 +1234,8 @@ def test_get_tool_downloads_lists_missing_tools(tmp_path: Path) -> None:
 
 
 def test_get_tool_downloads_applies_mirror_rewrite(tmp_path: Path) -> None:
-    result = _run_espidf_script(
+    result = _run_downloads_script(
         tmp_path,
-        "get_tool_downloads.py",
         "esp32",
         "required",
         env_extra={"TEST_MIRROR_PREFIX": "https://mirror.test/"},
@@ -1277,13 +1246,13 @@ def test_get_tool_downloads_applies_mirror_rewrite(tmp_path: Path) -> None:
     assert all(d["url"].startswith("https://mirror.test/") for d in downloads)
 
 
-def _run_espidf_script_inprocess(
+def _run_downloads_inprocess(
     tmp_path: Path,
     monkeypatch: pytest.MonkeyPatch,
-    script_name: str,
+    capsys: pytest.CaptureFixture[str],
     *args: str,
-) -> None:
-    """Execute an espidf helper script in-process against the stub idf_tools.
+) -> list[dict]:
+    """Execute get_tool_downloads.py in-process against the stub idf_tools.
 
     Unlike the subprocess variant this runs under coverage, exercising the
     script's own lines.
@@ -1294,24 +1263,10 @@ def _run_espidf_script_inprocess(
     stub = importlib.util.module_from_spec(spec)
     spec.loader.exec_module(stub)
     monkeypatch.setitem(sys.modules, "idf_tools", stub)
-    # _tool_resolution binds idf_tools objects at import; force a fresh
-    # import against this test's stub instance
-    monkeypatch.delitem(sys.modules, "_tool_resolution", raising=False)
-    # python <script> puts the script's directory on sys.path; runpy does not
-    monkeypatch.syspath_prepend(str(_ESPIDF_SCRIPTS_DIR))
     monkeypatch.setenv("IDF_TOOLS_PATH", str(tmp_path / "tp"))
-    script = _ESPIDF_SCRIPTS_DIR / script_name
+    script = Path(__file__).parents[2] / "esphome" / "espidf" / "get_tool_downloads.py"
     monkeypatch.setattr(sys, "argv", [str(script), str(tmp_path / "fw"), *args])
     runpy.run_path(str(script))
-
-
-def _run_downloads_inprocess(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-    *args: str,
-) -> list[dict]:
-    _run_espidf_script_inprocess(tmp_path, monkeypatch, "get_tool_downloads.py", *args)
     return json.loads(capsys.readouterr().out)
 
 
@@ -1610,14 +1565,10 @@ def _ccache_patches(tmp_path: Path, which: str | None, build_path: Path | None):
             "esphome.espidf.framework.get_idf_tools_path",
             return_value=tmp_path / "tools",
         ),
-        # ccache_defaults_env and the pch emission flag read CORE at call time
+        # ccache_defaults_env (build_helpers.ccache) reads CORE at call time
         patch(
             "esphome.core.CORE",
-            SimpleNamespace(
-                build_path=build_path,
-                # Pre-marked: these env tests model a pch-emitting build
-                data={"pch": _PCHData(emitted=True)},
-            ),
+            SimpleNamespace(build_path=build_path),
         ),
     )
 
@@ -1631,9 +1582,6 @@ def test_ccache_env_default_enabled_when_available(tmp_path: Path) -> None:
     assert env["CCACHE_NOHASHDIR"] == "true"
     assert env["CCACHE_DEPEND"] == "1"
     assert env["CCACHE_BASEDIR"] == str((tmp_path / "build").resolve())
-    # The pch cannot cache under ccache without these
-    assert env["CCACHE_SLOPPINESS"] == "pch_defines,time_macros"
-    assert env["CCACHE_PCH_EXTSUM"] == "true"
 
 
 def test_ccache_env_disabled_when_binary_missing(tmp_path: Path) -> None:
@@ -2025,245 +1973,3 @@ def test_check_windows_path_length_long_path_warns(
     assert "long path support" in message
     # The install is global now; the remedy is the prefix env, not moving the project.
     assert "ESPHOME_ESP_IDF_PREFIX" in message
-
-
-# ---------------------------------------------------------------------------
-# _preinstall_idf_tool_archives
-# ---------------------------------------------------------------------------
-
-
-def test_preinstall_streams_script_with_workers(tmp_path: Path) -> None:
-    """The pre-extraction streams install_tool_archives.py with the worker
-    count and the same targets/tools the installer will get."""
-    with (
-        patch(
-            "esphome.espidf.framework._run_idf_tools_script",
-            return_value=(True, None, None),
-        ) as run_script,
-        patch("esphome.espidf.framework.get_usable_cpu_count", return_value=3),
-    ):
-        _preinstall_idf_tool_archives(
-            tmp_path, "esp32,esp32c3", ["required", "cmake"], {"IDF_TOOLS_PATH": "x"}
-        )
-    run_script.assert_called_once_with(
-        tmp_path,
-        "install_tool_archives.py",
-        "ESP-IDF tool archive extraction",
-        args=["esp32,esp32c3", "3", "required", "cmake"],
-        env={"IDF_TOOLS_PATH": "x"},
-        stream_output=True,
-    )
-
-
-def test_preinstall_caps_workers(tmp_path: Path) -> None:
-    """A high core count is capped; the workers share one disk."""
-    with (
-        patch(
-            "esphome.espidf.framework._run_idf_tools_script",
-            return_value=(True, None, None),
-        ) as run_script,
-        patch("esphome.espidf.framework.get_usable_cpu_count", return_value=64),
-    ):
-        _preinstall_idf_tool_archives(tmp_path, "esp32", ["required"], None)
-    assert run_script.call_args.kwargs["args"][1] == "10"
-
-
-def test_preinstall_script_failure_only_warns(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A failed pre-extraction leaves the install to the sequential path."""
-    with (
-        patch(
-            "esphome.espidf.framework._run_idf_tools_script",
-            return_value=(False, None, None),
-        ),
-        patch("esphome.espidf.framework.get_usable_cpu_count", return_value=1),
-    ):
-        _preinstall_idf_tool_archives(tmp_path, "esp32", ["required"], None)
-    assert "pre-extraction failed" in caplog.text
-
-
-def test_preinstall_exception_only_warns(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """An unexpected error must not become a new way for the install to fail,
-    and keeps its traceback at WARNING."""
-    with (
-        patch(
-            "esphome.espidf.framework._run_idf_tools_script",
-            side_effect=TypeError("bad call"),
-        ),
-        patch("esphome.espidf.framework.get_usable_cpu_count", return_value=1),
-    ):
-        _preinstall_idf_tool_archives(tmp_path, "esp32", ["required"], None)
-    record = next(r for r in caplog.records if "pre-extraction failed" in r.message)
-    assert record.exc_info is not None
-
-
-# ---------------------------------------------------------------------------
-# install_tool_archives.py (against the stub idf_tools module in fixtures/)
-# ---------------------------------------------------------------------------
-
-
-def _make_dist(tmp_path: Path, *names: str) -> None:
-    dist = tmp_path / "tp" / "dist"
-    dist.mkdir(parents=True, exist_ok=True)
-    for name in names:
-        (dist / name).write_bytes(b"x")
-
-
-def test_install_tool_archives_extracts_pending_in_parallel(tmp_path: Path) -> None:
-    """Subprocess end-to-end: tools with a prefetched archive install
-    concurrently; installed and broken tools stay with the installer."""
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip", "x.tar.gz", "y.tar.gz")
-    result = _run_espidf_script(
-        tmp_path, "install_tool_archives.py", "esp32", "8", "required"
-    )
-    assert result.returncode == 0, result.stderr
-    tools = tmp_path / "tp" / "tools"
-    assert (tools / "cmake" / "3.30.2" / ".installed").is_file()
-    assert (tools / "ninja" / "1.12.1" / ".installed").is_file()
-    assert not (tools / "installed-tool").exists()
-    assert not (tools / "broken-tool").exists()
-    # The worker count clamps to the pending count
-    assert (
-        "Extracting 2 ESP-IDF tool archive(s) with 2 worker(s): "
-        "cmake@3.30.2, ninja@1.12.1" in result.stdout
-    )
-    assert "leaving broken broken-tool to the installer" in result.stderr
-
-
-def test_install_tool_archives_single_pending_stays_sequential(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """One pending archive has nothing to parallelize; the installer keeps
-    its normal output."""
-    _make_dist(tmp_path, "cmake.tar.gz")
-    _run_espidf_script_inprocess(
-        tmp_path, monkeypatch, "install_tool_archives.py", "esp32", "4", "required"
-    )
-    assert not (tmp_path / "tp" / "tools").exists()
-    out = capsys.readouterr().out
-    assert "Extracting" not in out
-    # A resolution drift that empties pending stays observable
-    assert "1 of 2 uninstalled tool(s) have a prefetched archive" in out
-
-
-def test_install_tool_archives_failed_install_left_to_installer(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """A per-tool failure warns, removes the torn dest dir so the installer
-    cannot trust it, and moves on; the other tools still install."""
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip")
-    monkeypatch.setenv("TEST_FAIL_INSTALL", "ninja")
-    _run_espidf_script_inprocess(
-        tmp_path, monkeypatch, "install_tool_archives.py", "esp32", "4", "required"
-    )
-    tools = tmp_path / "tp" / "tools"
-    assert (tools / "cmake" / "3.30.2" / ".installed").is_file()
-    assert not (tools / "ninja" / "1.12.1").exists()
-    err = capsys.readouterr().err
-    assert "pre-extracting ninja@1.12.1 failed" in err
-    assert "1 of 2 pre-extractions failed" in err
-
-
-def test_install_tool_archives_all_failed_exits_nonzero(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """Every job failing is a systematic fault; the nonzero exit lets the
-    caller log it."""
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip")
-    monkeypatch.setenv("TEST_FAIL_INSTALL", "cmake,ninja")
-    with pytest.raises(SystemExit) as excinfo:
-        _run_espidf_script_inprocess(
-            tmp_path, monkeypatch, "install_tool_archives.py", "esp32", "4", "required"
-        )
-    assert excinfo.value.code == 1
-    assert "2 of 2 pre-extractions failed" in capsys.readouterr().err
-    tools = tmp_path / "tp" / "tools"
-    assert not (tools / "cmake" / "3.30.2").exists()
-    assert not (tools / "ninja" / "1.12.1").exists()
-
-
-def test_install_tool_archives_inprocess_dedupes_and_skips(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """In-process full flow: duplicate tool@version specs collapse to one
-    job, broken and installed tools are skipped, both pending tools install."""
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip", "x.tar.gz", "y.tar.gz")
-    _run_espidf_script_inprocess(
-        tmp_path,
-        monkeypatch,
-        "install_tool_archives.py",
-        "esp32",
-        "8",
-        "cmake",
-        "ninja",
-        "cmake@3.30.2",
-        "installed-tool",
-        "broken-tool",
-    )
-    captured = capsys.readouterr()
-    assert (
-        "Extracting 2 ESP-IDF tool archive(s) with 2 worker(s): "
-        "cmake@3.30.2, ninja@1.12.1" in captured.out
-    )
-    assert "extracted cmake@3.30.2" in captured.out
-    assert "extracted ninja@1.12.1" in captured.out
-    assert "leaving broken broken-tool to the installer" in captured.err
-    tools = tmp_path / "tp" / "tools"
-    assert (tools / "cmake" / "3.30.2" / ".installed").is_file()
-    assert (tools / "ninja" / "1.12.1" / ".installed").is_file()
-    assert not (tools / "installed-tool").exists()
-    assert not (tools / "broken-tool").exists()
-
-
-def test_install_tool_archives_surviving_torn_dir_escalates(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """A torn dir that survives cleanup could fool the installer; the exit
-    is nonzero even though the other tool succeeded."""
-    import esphome.helpers
-
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip")
-    monkeypatch.setenv("TEST_FAIL_INSTALL", "ninja")
-    monkeypatch.setattr(
-        esphome.helpers, "rmtree", MagicMock(side_effect=OSError("busy"))
-    )
-    with pytest.raises(SystemExit) as excinfo:
-        _run_espidf_script_inprocess(
-            tmp_path, monkeypatch, "install_tool_archives.py", "esp32", "4", "required"
-        )
-    assert excinfo.value.code == 1
-    err = capsys.readouterr().err
-    assert "could not remove" in err
-    assert "1 of 2 pre-extractions failed" in err
-    assert (tmp_path / "tp" / "tools" / "cmake" / "3.30.2" / ".installed").is_file()
-
-
-def test_install_tool_archives_skips_unverifiable_archives(
-    tmp_path: Path,
-    monkeypatch: pytest.MonkeyPatch,
-    capsys: pytest.CaptureFixture[str],
-) -> None:
-    """An entry the prefetch could not verify is never extracted, even with
-    an archive on disk."""
-    _make_dist(tmp_path, "cmake.tar.gz", "ninja-v1.zip")
-    monkeypatch.setenv("TEST_NO_SHA", "cmake,ninja")
-    _run_espidf_script_inprocess(
-        tmp_path, monkeypatch, "install_tool_archives.py", "esp32", "4", "required"
-    )
-    assert not (tmp_path / "tp" / "tools").exists()
-    assert "0 of 2 uninstalled tool(s) have a prefetched archive" in (
-        capsys.readouterr().out
-    )

tests/unit_tests/test_espidf_toolchain.py

@@ -93,13 +93,6 @@ def test_get_configured_targets_ci_installs_all(monkeypatch: pytest.MonkeyPatch)
     assert toolchain._get_configured_targets() is None
 
 
-@pytest.fixture(autouse=True)
-def _no_ccache(monkeypatch: pytest.MonkeyPatch) -> None:
-    """Deterministic run_compile: no host ccache probe, no pch work."""
-    monkeypatch.setenv("IDF_CCACHE_ENABLE", "0")
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "0")
-
-
 def _setup_build(setup_core: Path) -> tuple[Path, Path]:
     """Point CORE at a build dir; return (compile_commands, idedata cache) paths."""
     CORE.name = "test"
@@ -667,75 +660,3 @@ def test_get_core_framework_version_from_core_data():
 
     CORE.data = {KEY_ESP32: {KEY_IDF_VERSION: cv.Version(5, 5, 4)}}
     assert toolchain._get_core_framework_version() == "5.5.4"
-
-
-def test_run_compile_aborts_when_stale_pch_survives_discard(
-    setup_core: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """An undiscardable stale .gch means silently wrong output: abort."""
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "1")
-    _setup_build(setup_core)
-
-    with (
-        patch.object(toolchain, "need_reconfigure", return_value=False),
-        patch.object(toolchain, "run_idf_py", return_value=0),
-        patch.object(toolchain, "print_summary"),
-        patch("esphome.build_gen.espidf.prepare_pch", side_effect=RuntimeError("boom")),
-        patch(
-            "esphome.build_helpers.pch.discard_pch",
-            side_effect=EsphomeError("Could not discard the stale precompiled header"),
-        ),
-        pytest.raises(EsphomeError, match="Could not discard"),
-    ):
-        toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False)
-
-
-def test_run_compile_strict_reraises_pch_failure(
-    setup_core: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """ESPHOME_PCH_STRICT must reach through the real compile flow."""
-    from esphome.core import EsphomeError
-
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "1")
-    monkeypatch.setenv("ESPHOME_PCH_STRICT", "1")
-    _setup_build(setup_core)
-
-    with (
-        patch.object(toolchain, "need_reconfigure", return_value=False),
-        patch.object(toolchain, "run_idf_py", return_value=0),
-        patch.object(toolchain, "print_summary"),
-        patch(
-            "esphome.build_gen.espidf.prepare_pch",
-            side_effect=EsphomeError("ESPHOME_PCH_STRICT: no usable compile command"),
-        ),
-        pytest.raises(EsphomeError, match="no usable compile command"),
-    ):
-        toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False)
-
-
-def test_run_compile_invokes_prepare_pch_and_survives_failure(
-    setup_core: Path, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    """The pch hook runs before the build and a failure never aborts it."""
-    monkeypatch.setenv("ESPHOME_PCH_ENABLE", "1")
-    _setup_build(setup_core)
-    # A stale .gch must be discarded on the failure path, never consumed
-    build = setup_core / "build" / "test" / "build"
-    build.mkdir(parents=True, exist_ok=True)
-    (build / "esphome_pch.h").write_text("")
-    stale_gch = build / "esphome_pch.h.gch"
-    stale_gch.write_bytes(b"stale")
-
-    with (
-        patch.object(toolchain, "need_reconfigure", return_value=False),
-        patch.object(toolchain, "run_idf_py", return_value=0),
-        patch.object(toolchain, "print_summary"),
-        patch(
-            "esphome.build_gen.espidf.prepare_pch", side_effect=RuntimeError("boom")
-        ) as prepare,
-    ):
-        assert toolchain.run_compile({CONF_ESPHOME: {}}, verbose=False) == 0
-    prepare.assert_called_once()
-    assert not stale_gch.exists()

tests/unit_tests/test_framework_helpers.py

@@ -523,17 +523,6 @@ class TestArchiveExtractAll:
         archive_extract_all(archive, dest)
         assert (dest / "file.txt").read_text() == "hi"
 
-    def test_progress_callback_passed_through(self, tmp_path: Path) -> None:
-        """The progress kwarg reaches the dispatched extractor."""
-        archive = tmp_path / "test.tar.gz"
-        archive.write_bytes(_gzip_tar_bytes({"file.txt": b"hello"}))
-        dest = tmp_path / "out"
-        dest.mkdir()
-        fractions: list[float] = []
-        archive_extract_all(archive, dest, progress=fractions.append)
-        assert fractions[-1] == 1
-        assert (dest / "file.txt").read_bytes() == b"hello"
-
     def test_invalid_type_raises_type_error(self) -> None:
         with pytest.raises(TypeError, match="archive must be"):
             archive_extract_all(42, ".")  # type: ignore[arg-type]
@@ -1962,19 +1951,6 @@ class TestTarExtractAllBranches:
         mock_pb.assert_called_once_with("Extracting")
         mock_pb.return_value.update.assert_called()
 
-    def test_progress_callback_replaces_bar(self, tmp_path: Path) -> None:
-        """A progress callback wins over progress_header and ends at 1.0."""
-        buf = _make_tar([_reg("a.txt"), _reg("b.txt")], {"a.txt": b"x", "b.txt": b"y"})
-        fractions: list[float] = []
-        with patch("esphome.framework_helpers.ProgressBar") as mock_pb:
-            _tar_extract_all(
-                buf, tmp_path, progress_header="Extracting", progress=fractions.append
-            )
-        mock_pb.assert_not_called()
-        assert fractions == sorted(fractions)
-        assert fractions[-1] == 1
-        assert (tmp_path / "a.txt").is_file()
-
 
 # ---------------------------------------------------------------------------
 # _zip_extract_all — additional branch coverage
@@ -2004,19 +1980,6 @@ class TestZipExtractAllBranches:
         mock_pb.assert_called_once_with("Unzipping")
         mock_pb.return_value.update.assert_called()
 
-    def test_progress_callback_replaces_bar(self, tmp_path: Path) -> None:
-        """A progress callback wins over progress_header and ends at 1.0."""
-        buf = _make_zip([("a.txt", "aaa"), ("b.txt", "bbb")])
-        fractions: list[float] = []
-        with patch("esphome.framework_helpers.ProgressBar") as mock_pb:
-            _zip_extract_all(
-                buf, tmp_path, progress_header="Unzipping", progress=fractions.append
-            )
-        mock_pb.assert_not_called()
-        assert fractions == sorted(fractions)
-        assert fractions[-1] == 1
-        assert (tmp_path / "a.txt").is_file()
-
 
 # ---------------------------------------------------------------------------
 # _rename_with_retry
@@ -2174,20 +2137,6 @@ class TestSevenZipExtractAll:
         mock_pb.assert_called_once_with("Unpacking 7z")
         mock_pb.return_value.update.assert_called()
 
-    def test_progress_callback_replaces_bar(self, tmp_path: Path) -> None:
-        """A progress callback wins over progress_header; 7z reports 1.0 once."""
-        buf = self._make_7z({"file.txt": b"x"})
-        out = tmp_path / "out"
-        out.mkdir()
-        fractions: list[float] = []
-        with patch("esphome.framework_helpers.ProgressBar") as mock_pb:
-            _7z_extract_all(
-                buf, out, progress_header="Unpacking 7z", progress=fractions.append
-            )
-        mock_pb.assert_not_called()
-        assert fractions == [1]
-        assert (out / "file.txt").is_file()
-
     def test_absolute_path_in_names_skipped(self, tmp_path: Path) -> None:
         """Names that resolve as absolute are silently skipped."""
         import py7zr
@@ -2345,36 +2294,18 @@ def test_resume_fetch_job_threads_tracker(tmp_path: Path) -> None:
     )
 
 
-def test_warn_batch_failures_names_each_failure(
+def test_warn_prefetch_failures_names_each_failure(
     caplog: pytest.LogCaptureFixture,
 ) -> None:
     """The shared failure loop warns per job with the failure reason."""
-    from esphome.framework_helpers import warn_batch_failures
+    from esphome.framework_helpers import warn_prefetch_failures
 
-    warn_batch_failures([("toolchain-x@1", OSError("down"))])
+    warn_prefetch_failures([("toolchain-x@1", OSError("down"))])
     assert "Could not prefetch toolchain-x@1: down" in caplog.text
-    warn_batch_failures([("lib", OSError("gone"))], "Prefetch of %s failed: %s")
+    warn_prefetch_failures([("lib", OSError("gone"))], "Prefetch of %s failed: %s")
     assert "Prefetch of lib failed: gone" in caplog.text
 
 
-def test_warn_batch_failures_unexpected_error_keeps_traceback(
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """An unexpected error type is not reduced to a bare message; expected
-    download failures stay message-only at WARNING."""
-    from esphome.framework_helpers import warn_batch_failures
-
-    with caplog.at_level(logging.DEBUG):
-        warn_batch_failures(
-            [("pkg", TypeError("bad call")), ("lib", OSError("down"))],
-            "Could not install %s: %s",
-        )
-    warnings = {r.getMessage(): r for r in caplog.records if r.levelname == "WARNING"}
-    assert warnings["Could not install pkg: bad call"].exc_info is not None
-    assert warnings["Could not install lib: down"].exc_info is None
-    assert "Failure detail" in caplog.text
-
-
 @pytest.mark.parametrize(
     ("platform", "input_path", "expected"),
     [

tests/unit_tests/test_lazy_imports.py

@@ -175,27 +175,6 @@ def test_esptool_upload_fast_path_does_not_import_heavy_modules(
     )
 
 
-def test_native_upload_fast_path_does_not_import_heavy_modules(
-    fixture_path: Path,
-    probe_env: dict[str, str],
-) -> None:
-    """The native-toolchain serial upload dispatches through a
-    toolchain-keyed backend table; resolving the flash image must not drag
-    in the esp32 or esp8266 component package or the validation stack.
-    """
-    leaked = _leaked_from_fixture(
-        fixture_path,
-        probe_env,
-        "native_upload_fast_path.py",
-        extra=("esphome.components.esp8266",),
-    )
-    assert not leaked, (
-        f"native upload_using_esptool pulls in heavy modules: {leaked}. "
-        "The upload fast path skips validation; importing a platform "
-        "component package executes its codegen module by design."
-    )
-
-
 def test_api_client_does_not_import_heavy_modules() -> None:
     """``esphome.api_client`` is on the logs fast path and must stay light.
 

tests/unit_tests/test_main.py

@@ -13,7 +13,7 @@ import sys
 import time
 from types import SimpleNamespace
 from typing import Any, Self
-from unittest.mock import AsyncMock, MagicMock, Mock, PropertyMock, patch
+from unittest.mock import AsyncMock, MagicMock, Mock, patch
 
 import pytest
 from pytest import CaptureFixture
@@ -25,7 +25,6 @@ from esphome.__main__ import (
     Purpose,
     _get_configured_xtal_freq,
     _make_crystal_freq_callback,
-    _native_toolchain_module,
     _redact_with_legacy_fallback,
     _resolve_network_devices,
     _should_subscribe_states,
@@ -6932,7 +6931,7 @@ def test_command_run_rp2040_bootsel_redetects_serial_port() -> None:
 
 def test_command_idedata_esp_idf_prints_json(capsys: CaptureFixture) -> None:
     """Under the native ESP-IDF toolchain, idedata is emitted as JSON."""
-    setup_core(platform=PLATFORM_ESP32)
+    setup_core()
     CORE.toolchain = Toolchain.ESP_IDF
     data = {"cxx_path": "g++", "prog_path": "/build/firmware.elf"}
 
@@ -6946,7 +6945,7 @@ def test_command_idedata_esp_idf_prints_json(capsys: CaptureFixture) -> None:
 
 def test_command_idedata_esp_idf_no_build_errors() -> None:
     """Under ESP-IDF, a missing build (no idedata) returns an error, not a crash."""
-    setup_core(platform=PLATFORM_ESP32)
+    setup_core()
     CORE.toolchain = Toolchain.ESP_IDF
 
     with patch("esphome.espidf.toolchain.get_idedata", return_value=None):
@@ -7120,201 +7119,6 @@ def test_warn_source_tree_mismatch_falls_back_when_stat_fails(
     assert not caplog.text
 
 
-def test_upload_using_esptool_arduino_toolchain(
-    tmp_path: Path,
-    mock_run_external_command_main: Mock,
-) -> None:
-    """The native ESP8266 Arduino toolchain flashes its factory image at
-    0x0, resolved from the toolchain-keyed backend table (deliberately not
-    the platform hook: that import would break the upload fast path)."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path, name="test")
-    CORE.toolchain = Toolchain.ARDUINO
-    from esphome.arduino8266 import toolchain as native
-
-    factory = native.get_factory_firmware_path()
-    factory.parent.mkdir(parents=True, exist_ok=True)
-    factory.touch()
-
-    config = {CONF_ESPHOME: {"platformio_options": {}}}
-    result = upload_using_esptool(config, "/dev/ttyUSB0", None, None)
-
-    assert result == 0
-    cmd_list = list(mock_run_external_command_main.call_args[0][1:])
-    firmware_offset_idx = cmd_list.index("write-flash") + 4
-    assert cmd_list[firmware_offset_idx] == "0x0"
-    assert cmd_list[firmware_offset_idx + 1] == str(factory)
-
-
-@pytest.mark.parametrize(
-    ("toolchain", "pio_project_written"),
-    [
-        # The native toolchain generates its project at compile time, so
-        # write_cpp_file must not write a platformio.ini; the default
-        # toolchain writes the PlatformIO project files.
-        (Toolchain.ARDUINO, False),
-        (None, True),
-    ],
-)
-def test_write_cpp_file_project_generation_follows_toolchain(
-    tmp_path: Path, toolchain: Toolchain | None, pio_project_written: bool
-) -> None:
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path, name="test")
-    CORE.toolchain = toolchain
-
-    with (
-        patch("esphome.writer.write_cpp") as mock_write_cpp,
-        patch("esphome.build_gen.platformio.write_project") as mock_pio_project,
-        patch.object(
-            type(CORE), "cpp_main_section", new_callable=PropertyMock
-        ) as mock_section,
-    ):
-        mock_section.return_value = ""
-        assert main.write_cpp_file() == 0
-
-    mock_write_cpp.assert_called_once()
-    assert mock_pio_project.called is pio_project_written
-
-
-def test_command_idedata_arduino_prints_json(
-    tmp_path: Path, capsys: CaptureFixture
-) -> None:
-    """Under the native ESP8266 Arduino toolchain, idedata is emitted as JSON."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path)
-    CORE.toolchain = Toolchain.ARDUINO
-    data = {"cxx_path": "g++", "prog_path": "/build/firmware.elf"}
-
-    with patch(
-        "esphome.arduino8266.toolchain.get_idedata", return_value=data
-    ) as mock_get:
-        result = command_idedata(MagicMock(), CORE.config)
-
-    assert result == 0
-    mock_get.assert_called_once_with()
-    assert json.loads(capsys.readouterr().out) == data
-
-
-def test_command_idedata_arduino_no_build_errors(tmp_path: Path) -> None:
-    """A missing native build (no idedata) returns an error, not a crash."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path)
-    CORE.toolchain = Toolchain.ARDUINO
-
-    with patch("esphome.arduino8266.toolchain.get_idedata", return_value=None):
-        result = command_idedata(MagicMock(), CORE.config)
-
-    assert result == 1
-
-
-@pytest.mark.parametrize(
-    ("platform", "toolchain", "module"),
-    [
-        (PLATFORM_ESP8266, Toolchain.ARDUINO, "esphome.arduino8266.toolchain"),
-        (PLATFORM_ESP32, Toolchain.ESP_IDF, "esphome.espidf.toolchain"),
-    ],
-)
-def test_command_analyze_memory_native_toolchains(
-    tmp_path: Path,
-    mock_write_cpp: Mock,
-    mock_compile_program: Mock,
-    mock_get_esphome_components: Mock,
-    mock_memory_analyzer_cli: Mock,
-    mock_ram_strings_analyzer: Mock,
-    platform: str,
-    toolchain: Toolchain,
-    module: str,
-) -> None:
-    """analyze-memory uses the native toolchain's binutils instead of
-    falling into the PlatformIO branch."""
-    setup_core(platform=platform, tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = toolchain
-
-    config = {CONF_ESPHOME: {CONF_NAME: "test_device"}}
-    # The tools must exist: a missing binutils now fails by name instead of
-    # silently falling back to host tools
-    objdump = tmp_path / "objdump"
-    readelf = tmp_path / "readelf"
-    objdump.write_text("")
-    readelf.write_text("")
-    # The ELF must exist too: the analyzer swallows tool failures, so a
-    # missing image would report zeroes with exit 0
-    firmware_elf = tmp_path / "firmware.elf"
-    firmware_elf.write_text("")
-    with (
-        patch(f"{module}.get_objdump_path", return_value=objdump),
-        patch(f"{module}.get_readelf_path", return_value=readelf),
-        patch(f"{module}.get_elf_path", return_value=firmware_elf),
-    ):
-        result = command_analyze_memory(MockArgs(), config)
-
-    assert result == 0
-    mock_memory_analyzer_cli.assert_called_once_with(
-        str(firmware_elf),
-        str(objdump),
-        str(readelf),
-        set(),
-        idedata=None,
-    )
-
-
-def test_command_analyze_memory_native_missing_elf_fails(
-    tmp_path: Path,
-    mock_write_cpp: Mock,
-    mock_compile_program: Mock,
-    mock_get_esphome_components: Mock,
-    mock_memory_analyzer_cli: Mock,
-    mock_ram_strings_analyzer: Mock,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A missing firmware.elf fails by name instead of an exit-0 zeroed
-    report."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = Toolchain.ARDUINO
-
-    config = {CONF_ESPHOME: {CONF_NAME: "test_device"}}
-    objdump = tmp_path / "objdump"
-    readelf = tmp_path / "readelf"
-    objdump.write_text("")
-    readelf.write_text("")
-    module = "esphome.arduino8266.toolchain"
-    with (
-        patch(f"{module}.get_objdump_path", return_value=objdump),
-        patch(f"{module}.get_readelf_path", return_value=readelf),
-        patch(f"{module}.get_elf_path", return_value=tmp_path / "missing.elf"),
-    ):
-        result = command_analyze_memory(MockArgs(), config)
-
-    assert result == 1
-    assert "compile the configuration first" in caplog.text
-    mock_memory_analyzer_cli.assert_not_called()
-
-
-def test_command_analyze_memory_missing_binutils_fails_by_name(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A truncated toolchain install fails naming the missing tool instead
-    of silently analyzing with host binutils."""
-    setup_core(platform="esp8266", tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = Toolchain.ARDUINO
-    config = {CONF_ESPHOME: {CONF_NAME: "test_device"}}
-    module = "esphome.arduino8266.toolchain"
-    with (
-        patch(f"{module}.get_objdump_path", return_value=tmp_path / "missing-objdump"),
-        patch(f"{module}.get_readelf_path", return_value=tmp_path / "readelf"),
-        patch("esphome.__main__.write_cpp", return_value=0),
-        patch("esphome.__main__.compile_program", return_value=0),
-    ):
-        assert command_analyze_memory(MockArgs(), config) == 1
-    assert "missing-objdump" in caplog.text
-    assert "toolchain install may be incomplete" in caplog.text
-
-
-def test_command_idedata_incompatible_toolchain(tmp_path: Path) -> None:
-    """A non-native, non-platformio toolchain errors out cleanly."""
-    setup_core(platform=PLATFORM_ESP32, tmp_path=tmp_path)
-    CORE.toolchain = Toolchain.SDK_NRF
-
-    assert command_idedata(MagicMock(), CORE.config) == 1
-
-
 @pytest.mark.parametrize(
     "error",
     [
@@ -7391,46 +7195,6 @@ def test_compile_program_espidf_idedata_none_warns(
     assert "No idedata was generated" in caplog.text
 
 
-def test_native_toolchain_table_serves_every_native_toolchain() -> None:
-    """Every member of NATIVE_TOOLCHAINS has a backend entry; a gap would
-    surface as a targeted EsphomeError on the one affected config, and this
-    pin keeps the table from drifting when a toolchain is added."""
-    from esphome.const import NATIVE_TOOLCHAINS
-
-    assert {tc for _, tc in main._NATIVE_TOOLCHAIN_MODULES} == set(NATIVE_TOOLCHAINS)
-
-
-def test_native_toolchain_module_missing_backend_raises(tmp_path: Path) -> None:
-    """A native toolchain missing from the backend table is a bug and must
-    fail, not silently degrade to the PlatformIO path."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = Toolchain.ARDUINO
-    with (
-        patch.dict(main._NATIVE_TOOLCHAIN_MODULES, clear=True),
-        pytest.raises(EsphomeError, match="no native build backend"),
-    ):
-        _native_toolchain_module()
-
-
-def test_command_analyze_memory_unsupported_toolchain(
-    tmp_path: Path,
-    mock_write_cpp: Mock,
-    mock_compile_program: Mock,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """A hook-less non-PlatformIO toolchain is refused by name, never routed
-    into the PlatformIO branch."""
-    setup_core(platform=PLATFORM_NRF52, tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = Toolchain.SDK_NRF
-    mock_write_cpp.return_value = 0
-    mock_compile_program.return_value = 0
-
-    result = command_analyze_memory(MockArgs(), {CONF_ESPHOME: {CONF_NAME: "t"}})
-
-    assert result == 1
-    assert "analyze-memory is not supported" in caplog.text
-
-
 def test_cli_toolchain_skips_the_validated_config_cache(tmp_path: Path) -> None:
     """An explicit --toolchain must run the per-platform validators, so the
     upload/logs fast path becomes a cache miss."""
@@ -7446,29 +7210,6 @@ def test_cli_toolchain_skips_the_validated_config_cache(tmp_path: Path) -> None:
     mock_read.assert_called_once()
 
 
-def test_upload_using_esptool_native_missing_firmware_raises(
-    tmp_path: Path,
-) -> None:
-    """A stale or absent firmware.bin fails by name instead of flashing air."""
-    setup_core(platform=PLATFORM_ESP8266, tmp_path=tmp_path, name="test")
-    CORE.toolchain = Toolchain.ARDUINO
-    with pytest.raises(EsphomeError, match="compile the configuration first"):
-        upload_using_esptool(
-            {CONF_ESPHOME: {"platformio_options": {}}}, "/dev/ttyUSB0", None, None
-        )
-
-
-def test_compile_program_unclaimed_native_toolchain_raises(
-    tmp_path: Path,
-) -> None:
-    """A resolved native toolchain no platform backend claims must fail,
-    never fall through to the PlatformIO project path."""
-    setup_core(platform=PLATFORM_ESP32, tmp_path=tmp_path, name="test_device")
-    CORE.toolchain = Toolchain.ARDUINO  # esp32 has no arduino-native backend
-    with pytest.raises(EsphomeError, match="no platform backend claimed"):
-        compile_program(MockArgs(), {})
-
-
 def test_cli_toolchain_still_refreshes_the_validated_config_cache(
     tmp_path: Path,
 ) -> None:

tests/unit_tests/test_pch_prefix.py

@@ -1,21 +0,0 @@
-"""The pch prefix must keep resolving; a rename would silently
-collapse the precompiled set to defines.h with strict CI still green."""
-
-from pathlib import Path
-import re
-
-from esphome.build_helpers.pch import PCH_PREFIX_HEADER
-
-REPO = Path(__file__).parents[2]
-
-
-def test_pch_prefix_resolves() -> None:
-    prefix = REPO / PCH_PREFIX_HEADER
-    assert prefix.is_file()
-    body = prefix.read_text()
-    includes = re.findall(r'#include "([^"]+)"', body)
-    assert includes, "prefix wrapper folds nothing"
-    for name in includes:
-        assert (REPO / name).is_file(), f"{name} does not resolve"
-    # The C guard is what keeps build_src_flags safe on C/assembly edges
-    assert "#ifdef __cplusplus" in body

tests/unit_tests/test_platformio_library.py

@@ -10,7 +10,7 @@ from pathlib import Path
 
 import pytest
 
-from esphome.core import CORE, EsphomeError, Library
+from esphome.core import EsphomeError, Library
 import esphome.platformio.library as lib
 from esphome.platformio.library import (
     SOURCE_KIND_FOR_SUFFIX,
@@ -29,13 +29,9 @@ from esphome.platformio.library import (
 )
 
 
-def _backend(emit=lambda component: None, provides=None) -> LibraryBackend:
+def _backend(emit=lambda component: None) -> LibraryBackend:
     return LibraryBackend(
-        platform="espressif32",
-        framework="espidf",
-        emit=emit,
-        cache_key="idf",
-        provides=provides,
+        platform="espressif32", framework="espidf", emit=emit, cache_key="idf"
     )
 
 
@@ -956,202 +952,3 @@ def test_source_kind_map_shape() -> None:
     assert SOURCE_KIND_FOR_SUFFIX[".S"] == "aspp"
     assert SOURCE_KIND_FOR_SUFFIX[".c"] == "c"
     assert SOURCE_KIND_FOR_SUFFIX[".cpp"] == "cxx"
-    # SCons's case-sensitive C++ suffixes: PIO compiles .C as C++
-    assert SOURCE_KIND_FOR_SUFFIX[".C"] == "cxx"
-    assert SOURCE_KIND_FOR_SUFFIX[".C++"] == "cxx"
-
-
-def test_versionless_platform_filtered_dependency_stays_quiet(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A version-less dependency the platform filter excludes is
-    deliberately absent, not a drop to warn about."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {
-                "name": "A",
-                "dependencies": [{"name": "Hash", "platforms": "espressif8266"}],
-            }
-        },
-    )
-    convert_libraries([Library("esphome/A", None, None)], _backend())
-    assert "has no version to resolve" not in caplog.text
-
-
-def test_versionless_ignored_dependency_stays_quiet(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A lib_ignore'd version-less dependency is deliberately excluded, not
-    a drop; no reconciliation warning."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {"esphome/A": {"name": "A", "dependencies": [{"name": "Hash"}]}},
-    )
-    CORE.platformio_options = {"lib_ignore": ["Hash"]}
-    convert_libraries([Library("esphome/A", None, None)], _backend())
-    assert "has no version to resolve" not in caplog.text
-
-
-def test_versionless_dependency_without_provider_warns(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A backend whose tree could supply the name warns on the drop; one
-    without provides() can never act on it, so it stays at debug."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {
-                "name": "A",
-                # The duplicate entry warns once (reconciliation dedup)
-                "dependencies": [{"name": "Hash"}, {"name": "Hash"}],
-            }
-        },
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None)], _backend(provides=lambda name: False)
-    )
-    assert (
-        caplog.text.count(
-            "Hash of esphome/A has no version to resolve and nothing provides it"
-        )
-        == 1
-    )
-    caplog.clear()
-    with caplog.at_level(logging.DEBUG):
-        convert_libraries([Library("esphome/A", None, None)], _backend())
-    records = [
-        r
-        for r in caplog.records
-        if "has no version to resolve and nothing provides it" in r.message
-    ]
-    assert records and all(r.levelno == logging.DEBUG for r in records)
-
-
-def test_url_version_dependency_is_not_substituted_by_provides(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A URL-valued version names one specific source; the backend-provided
-    skip must not replace it with the bundled copy."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {
-                "name": "A",
-                "dependencies": [
-                    {"name": "Hash", "version": "https://github.com/o/Hash.git"}
-                ],
-            },
-            "o/Hash": {"name": "Hash"},
-        },
-    )
-    emitted: list[str] = []
-    convert_libraries(
-        [Library("esphome/A", "1.0.0", None)],
-        _backend(emit=lambda c: emitted.append(c.name), provides=lambda name: True),
-    )
-    assert "Skip backend-provided" not in caplog.text
-    assert "using the library bundled" not in caplog.text
-    assert any("o/hash" in n.lower() for n in emitted)
-
-
-def test_versionless_owner_qualified_dependency_warns_despite_provides(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """An owner-qualified version-less dependency is not satisfied by
-    provides(); it must still warn."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {
-                "name": "A",
-                "dependencies": [{"name": "Wire", "owner": "Foo"}],
-            }
-        },
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None)],
-        _backend(provides=lambda name: name == "Wire"),
-    )
-    assert "Wire of esphome/A has no version to resolve" in caplog.text
-
-
-def test_versionless_provided_dependency_stays_quiet(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """An owner-less version-less dependency the backend provides is added
-    by the backend after emit; no reconciliation warning."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {"esphome/A": {"name": "A", "dependencies": [{"name": "Wire"}]}},
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None)],
-        _backend(provides=lambda name: name == "Wire"),
-    )
-    assert "has no version to resolve" not in caplog.text
-
-
-def test_versionless_dependency_requested_top_level_stays_quiet(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A version-less dependency the config also requests top-level is in
-    the build; no drop warning even without a provides backend."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {"name": "A", "dependencies": [{"name": "Hash"}]},
-            "Hash": {"name": "Hash"},
-        },
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None), Library("Hash", None, None)],
-        _backend(),
-    )
-    assert "has no version to resolve" not in caplog.text
-
-
-def test_versionless_url_ish_dependency_name_warns_cleanly(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A malformed URL-ish dependency name falls to the drop warning, never
-    a RuntimeError out of the key parser."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {"esphome/A": {"name": "A", "dependencies": [{"name": "file://"}]}},
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None)], _backend(provides=lambda name: False)
-    )
-    assert (
-        "file:// of esphome/A has no version to resolve and nothing provides it"
-        in caplog.text
-    )
-
-
-def test_versionless_dependency_matching_resolved_manifest_name_stays_quiet(
-    tmp_path, monkeypatch, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A bare name satisfied by an owner-qualified component's manifest
-    name is not a drop."""
-    _patch_download_with_manifests(
-        monkeypatch,
-        tmp_path,
-        {
-            "esphome/A": {"name": "A", "dependencies": [{"name": "B"}]},
-            "esphome/B": {"name": "B"},
-        },
-    )
-    convert_libraries(
-        [Library("esphome/A", None, None), Library("esphome/B", None, None)],
-        _backend(),
-    )
-    assert "has no version to resolve" not in caplog.text

tests/unit_tests/test_platformio_pch_script.py

@@ -1,581 +0,0 @@
-"""Tests for esphome/platformio/pch.py.script against a fake SCons env."""
-
-from __future__ import annotations
-
-import os
-from pathlib import Path
-import stat
-from unittest.mock import patch
-
-import pytest
-
-from esphome.platformio import toolchain
-
-pytestmark = pytest.mark.skipif(
-    os.name == "nt", reason="the fake compiler is a POSIX shell script"
-)
-
-_SCRIPT = Path(toolchain.__file__).parent / "pch.py.script"
-
-
-class _FakePlatform:
-    packages = {"framework-x": {}, "toolchain-y": {}}
-
-    def get_package_version(self, name: str) -> str:
-        if name == "toolchain-y":
-            raise KeyError(name)
-        return "1.2.3"
-
-    def get_package(self, name: str) -> object | None:
-        return None
-
-
-class _BrokenPlatform(_FakePlatform):
-    def get_package_version(self, name: str) -> str:
-        raise RuntimeError("manifest parse error")
-
-
-class _UnresolvedPlatform(_FakePlatform):
-    """KeyError from a package that IS installed: unresolved identity."""
-
-    def get_package_version(self, name: str) -> str:
-        raise KeyError(name)
-
-    def get_package(self, name: str) -> object:
-        return object()
-
-
-class _FakeSConsEnv(dict):
-    """Just enough of a SCons construction environment for pch.py."""
-
-    def __init__(
-        self,
-        proj_dir: Path,
-        src_dir: Path,
-        cxx: str,
-        flags: list[str],
-        platform_cls: type[_FakePlatform] = _FakePlatform,
-    ):
-        super().__init__(ENV={})
-        self._subst = {
-            "$PROJECT_DIR": str(proj_dir),
-            "$PROJECT_SRC_DIR": str(src_dir),
-            "$CXX": cxx,
-        }
-        self._flags = flags
-        self._platform_cls = platform_cls
-        self.prepended: list[str] = []
-
-    def subst(self, expr: str) -> str:  # noqa: N802
-        return self._subst[expr]
-
-    def subst_list(self, expr: str) -> list[list[str]]:  # noqa: N802
-        return [self._flags]
-
-    def PioPlatform(self) -> _FakePlatform:  # noqa: N802
-        return self._platform_cls()
-
-    def Prepend(self, CXXFLAGS: list[str]) -> None:  # noqa: N802, N803
-        self.prepended = CXXFLAGS
-
-
-def _fake_cxx(
-    tmp_path: Path,
-    fail: bool = False,
-    fail_msg: str | None = None,
-    reject_pch: bool = False,
-    probe_exit: int = 0,
-) -> Path:
-    """A compiler stand-in that records its argv and writes the -o target.
-
-    With reject_pch it builds the .gch fine but, like GCC 10 on macOS arm64,
-    warns on any consuming compile that the .gch cannot be loaded; probe_exit
-    sets the exit code of non-header compiles (the load probe).
-    """
-    cxx = tmp_path / "fake-gxx"
-    body = (
-        'printf -- ---call---\\\\n >> "$0.argv"; printf \'%s\\n\' "$@" >> "$0.argv"\n'
-    )
-    if fail:
-        body += f"echo {fail_msg or 'boom'} >&2\nexit 1\n"
-    else:
-        # Only the c++-header compile has a -o; the load probe has none
-        body += 'out=""; prev=""; mf=0; dep=0; inc=0\nfor a in "$@"; do [ "$prev" = "-o" ] && out="$a"; prev="$a"; [ "$a" = "-MF" ] && mf=1; [ "$a" = "-include" ] && inc=1; case "$a" in -M|-MM|-MD|-MMD) dep=1;; esac; done\n'
-        # Real cc1plus rejects -MF without a dependency flag
-        body += 'if [ "$mf" = 1 ] && [ "$dep" = 0 ]; then echo "cc1plus: error: to generate dependencies you must specify either \x27-M\x27 or \x27-MM\x27" >&2; exit 1; fi\n'
-        body += '[ -n "$out" ] && echo gch > "$out"\n'
-        if reject_pch:
-            # -Werror=invalid-pch makes rejection a nonzero exit; the
-            # baseline (no -include) still passes
-            body += 'case " $* " in *c++-header*) ;; *) if [ "$inc" = 1 ]; then echo "error: esphome_pch.h.gch: had text segment at different address" >&2; exit 1; fi;; esac\n'
-        body += f'case " $* " in *c++-header*) exit 0;; *) exit {probe_exit};; esac\n'
-    cxx.write_text("#!/bin/sh\n" + body)
-    cxx.chmod(cxx.stat().st_mode | stat.S_IEXEC)
-    return cxx
-
-
-def _run_script(
-    tmp_path: Path,
-    flags: list[str] | None = None,
-    fail: bool = False,
-    fail_msg: str | None = None,
-    reject_pch: bool = False,
-    probe_exit: int = 0,
-    missing_cxx: bool = False,
-    env_vars: dict[str, str] | None = None,
-    name: str = "dev",
-    platform_cls: type[_FakePlatform] = _FakePlatform,
-) -> _FakeSConsEnv:
-    proj = tmp_path / name
-    src = proj / "src"
-    (src / "esphome" / "core").mkdir(parents=True, exist_ok=True)
-    (src / "esphome" / "core" / "defines.h").write_text("#define USE_X\n")
-    cxx = _fake_cxx(
-        tmp_path,
-        fail=fail,
-        fail_msg=fail_msg,
-        reject_pch=reject_pch,
-        probe_exit=probe_exit,
-    )
-    if missing_cxx:
-        cxx = tmp_path / "no-such-gxx"
-    args = (proj, src, str(cxx), flags or ["-DX=1"], platform_cls)
-    # Distinct objects: the -include flags must land on projenv only
-    global_env = _FakeSConsEnv(*args)
-    projenv = _FakeSConsEnv(*args)
-    projenv.global_env = global_env
-    source = _SCRIPT.read_text()
-    with patch.dict(os.environ, env_vars or {}, clear=True):
-        exec(  # noqa: S102
-            compile(source, "pch.py", "exec"),
-            {"Import": lambda *_names: None, "env": global_env, "projenv": projenv},
-        )
-    return projenv
-
-
-def test_pch_script_builds_and_prepends_relative_include(tmp_path: Path) -> None:
-    scons_env = _run_script(tmp_path)
-    proj = tmp_path / "dev"
-    assert (proj / "esphome_pch.h").read_text().endswith('"esphome/core/defines.h"\n')
-    assert (proj / "esphome_pch.h.gch").is_file()
-    assert len((proj / "esphome_pch.h.gch.sum").read_text().strip()) == 64
-    # Relative include: an absolute path would poison ccache keys
-    assert scons_env.prepended == [
-        "-Winvalid-pch",
-        "-Wno-error=invalid-pch",
-        "-include",
-        "esphome_pch.h",
-    ]
-    # In production projenv["ENV"] aliases os.environ; only the -include
-    # flags are genuinely scoped to projenv (src compiles)
-    assert scons_env["ENV"]["CCACHE_SLOPPINESS"] == "pch_defines,time_macros"
-    assert scons_env["ENV"]["CCACHE_PCH_EXTSUM"] == "true"
-    assert scons_env.global_env.prepended == []
-
-
-def test_pch_script_preserves_spaced_flag_elements(tmp_path: Path) -> None:
-    """One SCons element stays one compiler argv; -include pairs are
-    stripped from the .gch compile."""
-    spaced = tmp_path / "My Configs"
-    spaced.mkdir()
-    (tmp_path / "dev" / "src").mkdir(parents=True, exist_ok=True)
-    (tmp_path / "dev" / "src" / "other.h").write_text("")
-    flags = ['-DUSB_PRODUCT=\\"Pico 2W\\"', "-I", str(spaced), "-include", "other.h"]
-    _run_script(tmp_path, flags=flags)
-    calls = (tmp_path / "fake-gxx.argv").read_text().split("---call---\n")
-    gch_call = next(c for c in calls if "c++-header" in c).splitlines()
-    assert '-DUSB_PRODUCT="Pico 2W"' in gch_call
-    assert str(spaced) in gch_call
-    assert "-include" not in gch_call
-    # The stripped src-resolvable -include is folded into the prefix header
-    pch = (tmp_path / "dev" / "esphome_pch.h").read_text()
-    assert pch.splitlines()[0] == '#include "other.h"'
-
-
-def test_pch_script_folds_joined_force_include_spelling(tmp_path: Path) -> None:
-    """-includefoo.h folds like the separated form, matching the native path."""
-    (tmp_path / "dev" / "src").mkdir(parents=True, exist_ok=True)
-    (tmp_path / "dev" / "src" / "other.h").write_text("")
-    _run_script(tmp_path, flags=["-DX=1", "-includeother.h"])
-    pch = (tmp_path / "dev" / "esphome_pch.h").read_text()
-    assert pch.splitlines()[0] == '#include "other.h"'
-
-
-def test_pch_script_leaves_absolute_force_includes_unfolded(
-    tmp_path: Path,
-) -> None:
-    """An absolute -include resolves through src_dir / name; it must still
-    stay consumer-only or the host path enters the .sum."""
-    outside = tmp_path / "outside.h"
-    outside.write_text("")
-    _run_script(tmp_path, flags=["-DX=1", "-include", str(outside)])
-    pch = (tmp_path / "dev" / "esphome_pch.h").read_text()
-    assert "outside.h" not in pch
-
-
-def test_pch_script_leaves_non_src_force_includes_unfolded(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A user -include outside src/ must not enter the prefix header:
-    consumers keep their own copy, so folding an unguarded header would
-    include it twice."""
-    _run_script(tmp_path, flags=["-DX=1", "-include", "user_extra.h"])
-    pch = (tmp_path / "dev" / "esphome_pch.h").read_text()
-    assert "user_extra.h" not in pch
-    assert pch.splitlines()[-1] == '#include "esphome/core/defines.h"'
-    assert "not precompiling non-src force-includes" in capsys.readouterr().out
-
-
-def test_pch_script_sum_is_device_independent(tmp_path: Path) -> None:
-    """Regression: identical configs in different dirs share cache keys."""
-    sums = []
-    for name in ("dev_a", "dev_b"):
-        proj = tmp_path / name
-        _run_script(
-            tmp_path,
-            flags=["-DX=1", "-I", str(proj / "include")],
-            env_vars={"CCACHE_BASEDIR": str(proj)},
-            name=name,
-        )
-        sums.append((proj / "esphome_pch.h.gch.sum").read_text())
-        (tmp_path / "fake-gxx").unlink()
-        (tmp_path / "fake-gxx.argv").unlink(missing_ok=True)
-    assert sums[0] == sums[1]
-
-
-def test_pch_script_transient_compiler_failure_does_not_latch(
-    tmp_path: Path,
-) -> None:
-    """ENOSPC-style failures clear on their own; no .failed marker."""
-    scons_env = _run_script(tmp_path, fail=True, fail_msg="No space left on device")
-    proj = tmp_path / "dev"
-    assert not (proj / "esphome_pch.h.gch.failed").exists()
-    assert scons_env.prepended == []
-
-
-def test_pch_script_failure_marker_suppresses_retry(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    scons_env = _run_script(tmp_path, fail=True)
-    proj = tmp_path / "dev"
-    assert (proj / "esphome_pch.h.gch.failed").is_file()
-    assert not (proj / "esphome_pch.h.gch.sum").exists()
-    assert scons_env.prepended == []
-    # Second run: same checksum, no compile attempt, but says so
-    attempts = (tmp_path / "fake-gxx.argv").read_text().count("c++-header")
-    _run_script(tmp_path, fail=True)
-    out = capsys.readouterr().out
-    assert (tmp_path / "fake-gxx.argv").read_text().count("c++-header") == attempts
-    assert "delete esphome_pch.h.gch.failed to retry" in out
-
-
-def test_pch_script_probe_rejection_falls_back(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A toolchain that cannot load its own .gch (GCC 10 on macOS arm64)
-    must not leave consumers paying for a pch every compile rejects."""
-    scons_env = _run_script(tmp_path, reject_pch=True)
-    proj = tmp_path / "dev"
-    assert not (proj / "esphome_pch.h.gch").exists()
-    assert not (proj / "esphome_pch.h.gch.sum").exists()
-    assert (proj / "esphome_pch.h.gch.failed").is_file()
-    assert scons_env.prepended == []
-    assert "toolchain cannot load the pch" in capsys.readouterr().out
-
-
-def test_pch_script_spawn_failure_is_transient(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A spawn failure must not latch a .failed marker (matches espidf)."""
-    scons_env = _run_script(tmp_path, missing_cxx=True)
-    proj = tmp_path / "dev"
-    assert not (proj / "esphome_pch.h.gch.failed").exists()
-    assert not (proj / "esphome_pch.h.gch.sum").exists()
-    assert scons_env.prepended == []
-    assert "did not run" in capsys.readouterr().out
-
-
-def test_pch_script_probe_baseline_failure_latches_with_honest_label(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """Probe AND baseline failing is a deterministic environment problem:
-    latch, but blame the environment rather than the pch."""
-    scons_env = _run_script(tmp_path, probe_exit=1)
-    proj = tmp_path / "dev"
-    assert not (proj / "esphome_pch.h.gch").exists()
-    assert (proj / "esphome_pch.h.gch.failed").is_file()
-    assert scons_env.prepended == []
-    assert "probe cannot run at all" in capsys.readouterr().out
-
-
-def test_pch_script_unresolved_package_version_skips_pch(tmp_path: Path) -> None:
-    """A KeyError for an installed package is unresolved identity, not absence."""
-    scons_env = _run_script(tmp_path, platform_cls=_UnresolvedPlatform)
-    assert not (tmp_path / "dev" / "esphome_pch.h.gch").exists()
-    assert scons_env.prepended == []
-
-
-def test_pch_script_package_version_error_skips_pch(tmp_path: Path) -> None:
-    """Without trustworthy package identity a stale .gch could survive an
-    upgrade, so the script must not build one at all."""
-    scons_env = _run_script(tmp_path, platform_cls=_BrokenPlatform)
-    proj = tmp_path / "dev"
-    assert not (proj / "esphome_pch.h.gch").exists()
-    assert scons_env.prepended == []
-
-
-def test_pch_script_corrupt_sidecar_reads_as_stale(tmp_path: Path) -> None:
-    """A truncated/corrupt .failed marker must not disable the pch forever."""
-    _run_script(tmp_path, fail=True)
-    proj = tmp_path / "dev"
-    (proj / "esphome_pch.h.gch.failed").write_bytes(b"\xff\xfe corrupt")
-    _run_script(tmp_path)
-    assert (proj / "esphome_pch.h.gch").is_file()
-    assert (proj / "esphome_pch.h.gch.sum").is_file()
-
-
-def test_pch_script_rebuilds_when_header_missing(tmp_path: Path) -> None:
-    _run_script(tmp_path)
-    proj = tmp_path / "dev"
-    (proj / "esphome_pch.h").unlink()
-    _run_script(tmp_path)
-    assert (proj / "esphome_pch.h").is_file()
-
-
-def test_copy_pch_script(tmp_path: Path) -> None:
-    from esphome.core import CORE
-
-    CORE.build_path = tmp_path
-    toolchain.copy_pch_script()
-    assert (tmp_path / "pch.py").read_text() == _SCRIPT.read_text()
-
-
-def test_pch_script_unions_user_sloppiness(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """A user CCACHE_SLOPPINESS without the pch tokens gets them unioned on,
-    mirroring ccache_pch_env, or every src TU is a permanent miss."""
-    scons_env = _run_script(tmp_path, env_vars={"CCACHE_SLOPPINESS": "locale"})
-    assert scons_env["ENV"]["CCACHE_SLOPPINESS"] == "locale,pch_defines,time_macros"
-    assert "adding pch_defines,time_macros" in capsys.readouterr().out
-
-
-def test_pch_script_unmodelable_flag_skips_pch(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """Unbalanced quotes and multi-token elements cannot be reproduced as
-    one argv; the pch is skipped rather than built with diverging flags."""
-    for bad in ("-DFOO='bar", "-DA=1\t-DB=2"):
-        scons_env = _run_script(tmp_path, flags=["-DX=1", bad])
-        assert scons_env.prepended == []
-        assert not (tmp_path / "dev" / "esphome_pch.h.gch").exists()
-    assert "unmodelable flag" in capsys.readouterr().out
-
-
-@pytest.mark.skipif(
-    getattr(os, "geteuid", lambda: -1)() == 0, reason="root ignores file modes"
-)
-def test_pch_script_unlistable_include_dir_skips_pch(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """An unlistable subtree must not silently drop out of the digest."""
-    proj = tmp_path / "dev"
-    override = proj / "lwip_override"
-    hidden = override / "hidden"
-    hidden.mkdir(parents=True)
-    (hidden / "gen.h").write_text("")
-    hidden.chmod(0)
-    try:
-        scons_env = _run_script(tmp_path, flags=["-DX=1", "-I", str(override)])
-    finally:
-        hidden.chmod(0o755)
-    assert scons_env.prepended == []
-    assert "skipping precompiled header" in capsys.readouterr().out
-
-
-def test_pch_script_nobuild_without_projenv_is_noop(tmp_path: Path) -> None:
-    """-t nobuild never exports projenv; the script must not abort."""
-    proj = tmp_path / "dev"
-    (proj / "src").mkdir(parents=True)
-
-    def strict_import(*names: str) -> None:
-        if "projenv" in names:
-            raise RuntimeError("Import of non-existent variable 'projenv'")
-
-    env = _FakeSConsEnv(proj, proj / "src", "g++", ["-DX=1"])
-    exec(  # noqa: S102
-        compile(_SCRIPT.read_text(), "pch.py", "exec"),
-        {"Import": strict_import, "env": env},
-    )
-    assert not (proj / "esphome_pch.h").exists()
-
-
-def test_pch_script_ignores_library_trees_and_non_headers(tmp_path: Path) -> None:
-    """.piolibdeps and non-header files must not enter the digest (or be
-    read at all); package versions already cover library identity."""
-    proj = tmp_path / "dev"
-    libdeps = proj / ".piolibdeps" / "lib" / "src"
-    libdeps.mkdir(parents=True)
-    (libdeps / "lib.h").write_text("#define A 1\n")
-    override = proj / "lwip_override"
-    override.mkdir(parents=True)
-    (override / "lwipopts.h").write_text("#define TCP_MSS 1460\n")
-    (override / "notes.txt").write_text("v1\n")
-    flags = ["-DX=1", "-I", str(libdeps), "-I", str(override)]
-    _run_script(tmp_path, flags=flags)
-    first = (proj / "esphome_pch.h.gch.sum").read_text()
-    (libdeps / "lib.h").write_text("#define A 2\n")
-    (override / "notes.txt").write_text("v2\n")
-    (tmp_path / "fake-gxx.argv").unlink(missing_ok=True)
-    _run_script(tmp_path, flags=flags)
-    assert (proj / "esphome_pch.h.gch.sum").read_text() == first
-
-
-def test_pch_script_hashes_project_local_include_dirs(tmp_path: Path) -> None:
-    """Generated headers in project-local -I dirs (e.g. rp2's lwip_override)
-    must invalidate the checksum when they change."""
-    proj = tmp_path / "dev"
-    override = proj / "lwip_override"
-    override.mkdir(parents=True)
-    (override / "lwipopts.h").write_text("#define TCP_MSS 1460\n")
-    flags = ["-DX=1", "-I", str(override)]
-    _run_script(tmp_path, flags=flags)
-    first = (proj / "esphome_pch.h.gch.sum").read_text()
-    (override / "lwipopts.h").write_text("#define TCP_MSS 536\n")
-    (tmp_path / "fake-gxx.argv").unlink(missing_ok=True)
-    _run_script(tmp_path, flags=flags)
-    assert (proj / "esphome_pch.h.gch.sum").read_text() != first
-
-
-@pytest.mark.skipif(
-    getattr(os, "geteuid", lambda: -1)() == 0, reason="root ignores file modes"
-)
-def test_pch_script_unreadable_local_header_skips_pch(
-    tmp_path: Path, capsys: pytest.CaptureFixture[str]
-) -> None:
-    """An unreadable generated header means unknown identity: no pch."""
-    proj = tmp_path / "dev"
-    override = proj / "lwip_override"
-    override.mkdir(parents=True)
-    secret = override / "lwipopts.h"
-    secret.write_text("#define TCP_MSS 1460\n")
-    secret.chmod(0)
-    scons_env = _run_script(tmp_path, flags=["-DX=1", "-I", str(override)])
-    assert not (proj / "esphome_pch.h.gch.sum").exists()
-    assert scons_env.prepended == []
-    assert "skipping precompiled header" in capsys.readouterr().out
-
-
-def test_pch_script_rejects_unrecognized_strict_value(tmp_path: Path) -> None:
-    """A typo'd knob must fail the build, not silently disable the gate."""
-    with pytest.raises(RuntimeError, match="Unrecognized ESPHOME_PCH_STRICT"):
-        _run_script(tmp_path, env_vars={"ESPHOME_PCH_STRICT": "yolo"})
-
-
-def test_pch_script_strict_tables_match_helpers(tmp_path: Path) -> None:
-    """The script's mirrored spelling tables must not drift."""
-    from esphome.helpers import FALSY_ENV_STRINGS, TRUTHY_ENV_STRINGS
-
-    proj = tmp_path / "dev"
-    (proj / "src").mkdir(parents=True)
-    # Hermetic: the constants are module-level, but the exec still runs
-    # _setup_pch, which must not touch the host toolchain
-    cxx = _fake_cxx(tmp_path)
-    env = _FakeSConsEnv(proj, proj / "src", str(cxx), ["-DX=1"])
-    namespace = {"Import": lambda *_names: None, "env": env, "projenv": env}
-    with patch.dict(os.environ, {}, clear=True):
-        exec(compile(_SCRIPT.read_text(), "pch.py", "exec"), namespace)  # noqa: S102
-    assert set(namespace["_TRUTHY"]) == set(TRUTHY_ENV_STRINGS)
-    # parse_enable_env handles the empty string separately
-    assert set(namespace["_FALSY"]) - {""} == set(FALSY_ENV_STRINGS)
-
-
-def test_pch_script_strict_reprobes_cached_gch(tmp_path: Path) -> None:
-    """Rejection is per-process: strict re-proves a cached .gch loads."""
-    _run_script(tmp_path)
-    proj = tmp_path / "dev"
-    assert (proj / "esphome_pch.h.gch").is_file()
-    (tmp_path / "fake-gxx.argv").unlink(missing_ok=True)
-    # Second run: cache fresh, but the toolchain now rejects loads
-    with pytest.raises(RuntimeError, match="not used"):
-        _run_script(tmp_path, reject_pch=True, env_vars={"ESPHOME_PCH_STRICT": "1"})
-    assert not (proj / "esphome_pch.h.gch").exists()
-
-
-def test_pch_script_strict_raises_when_pch_not_used(tmp_path: Path) -> None:
-    """ESPHOME_PCH_STRICT fails the build instead of degrading."""
-    with pytest.raises(RuntimeError, match="ESPHOME_PCH_STRICT"):
-        _run_script(tmp_path, fail=True, env_vars={"ESPHOME_PCH_STRICT": "1"})
-
-
-def test_pch_script_strict_fails_without_scons(tmp_path: Path) -> None:
-    """No SCons under PlatformIO is an anomaly; strict must not pass."""
-    proj = tmp_path / "dev"
-    (proj / "src").mkdir(parents=True)
-
-    def strict_import(*names: str) -> None:
-        if "projenv" in names:
-            raise RuntimeError("Import of non-existent variable 'projenv'")
-
-    import sys
-
-    env = _FakeSConsEnv(proj, proj / "src", "g++", ["-DX=1"])
-    with (
-        # None forces ImportError even where SCons is installed
-        patch.dict(sys.modules, {"SCons.Script": None}),
-        patch.dict(os.environ, {"ESPHOME_PCH_STRICT": "1"}, clear=True),
-        pytest.raises(RuntimeError, match="not used"),
-    ):
-        exec(  # noqa: S102
-            compile(_SCRIPT.read_text(), "pch.py", "exec"),
-            {"Import": strict_import, "env": env},
-        )
-
-
-def test_pch_script_strict_reraises_internal_errors(tmp_path: Path) -> None:
-    """The catch-all must not swallow programming errors in strict mode."""
-    with pytest.raises(TypeError):
-        _run_script(tmp_path, env_vars={"ESPHOME_PCH_STRICT": "1"}, platform_cls=None)
-
-
-@pytest.mark.parametrize(("targets", "passes"), [(["nobuild"], True), ([], False)])
-def test_pch_script_strict_projenv_skip_gated_on_nobuild(
-    tmp_path: Path, targets: list[str], passes: bool
-) -> None:
-    """-t nobuild compiles nothing, so the skip passes strict; a missing
-    projenv on a real compile must not."""
-    import sys
-    import types
-
-    proj = tmp_path / "dev"
-    (proj / "src").mkdir(parents=True)
-
-    def strict_import(*names: str) -> None:
-        if "projenv" in names:
-            raise RuntimeError("Import of non-existent variable 'projenv'")
-
-    scons = types.ModuleType("SCons")
-    scons_script = types.ModuleType("SCons.Script")
-    scons_script.COMMAND_LINE_TARGETS = targets
-    env = _FakeSConsEnv(proj, proj / "src", "g++", ["-DX=1"])
-    with (
-        patch.dict(sys.modules, {"SCons": scons, "SCons.Script": scons_script}),
-        patch.dict(os.environ, {"ESPHOME_PCH_STRICT": "1"}, clear=True),
-    ):
-        run = lambda: exec(  # noqa: S102, E731
-            compile(_SCRIPT.read_text(), "pch.py", "exec"),
-            {"Import": strict_import, "env": env},
-        )
-        if passes:
-            run()
-        else:
-            with pytest.raises(RuntimeError, match="not used"):
-                run()
-    assert not (proj / "esphome_pch.h").exists()
-
-
-def test_pch_script_strict_passes_on_success(tmp_path: Path) -> None:
-    scons_env = _run_script(tmp_path, env_vars={"ESPHOME_PCH_STRICT": "1"})
-    # Strict escalates the consumer edges too
-    assert "-Werror=invalid-pch" in scons_env.prepended
-    assert "-Wno-error=invalid-pch" not in scons_env.prepended

tests/unit_tests/test_platformio_prefetch.py

@@ -1729,20 +1729,3 @@ def test_platformio_private_api_contract() -> None:
     derived = PackageSpec("https://x/y/archive/master.zip")
     assert derived.name and not derived.has_custom_name()
     assert PackageSpec("Foo=https://x/y/archive/master.zip").has_custom_name()
-
-
-def test_preinstall_caps_workers(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A high core count is capped; the workers share one disk."""
-    with (
-        caplog.at_level(logging.INFO),
-        patch.object(pf, "get_usable_cpu_count", return_value=64),
-    ):
-        pf._preinstall(
-            _fake_manager(tmp_path),
-            [(f"p{i}@1", _FakeSpec(name=f"p{i}")) for i in range(11)],
-        )
-    assert "Installing 11 PlatformIO package(s) with 10 extraction worker(s)" in (
-        caplog.text
-    )

tests/unit_tests/test_platformio_registry.py

@@ -4,7 +4,6 @@ from __future__ import annotations
 
 from contextlib import contextmanager
 import json
-import logging
 import os
 from pathlib import Path
 from unittest.mock import MagicMock, patch
@@ -308,11 +307,7 @@ def test_install_package_downloads_via_registry(tmp_path: Path) -> None:
             "pkg", "1.0.0", dest, [], tmp_path / "dl", expect=("payload",)
         )
     assert mock_download.call_args[0][0] == "http://x/pkg.tar.gz"
-    assert mock_download.call_args[1] == {
-        "sha256": "abc123",
-        "size": 42,
-        "progress": None,
-    }
+    assert mock_download.call_args[1] == {"sha256": "abc123", "size": 42}
 
 
 def test_install_package_validates_expected_layout(tmp_path: Path) -> None:
@@ -728,255 +723,3 @@ def test_prefetch_packages_unexpected_failure_warns(
             tmp_path / "dl",
         )
     assert "TypeError" in caplog.text
-
-
-def _spec(name: str, version: str, dest: Path, mirrors=None, expect=("payload",)):
-    return (name, version, dest, mirrors or [], expect)
-
-
-def test_install_packages_extracts_verified_archives_in_parallel(
-    tmp_path: Path,
-) -> None:
-    """Two prefetched archives install concurrently under one shared bar."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    (dl / "a-1.0").write_bytes(b"x" * 10)
-    (dl / "b-2.0").write_bytes(b"y" * 20)
-    with patch.object(registry, "install_package") as mock_install:
-        registry.install_packages(
-            [_spec("a", "1.0", tmp_path / "a"), _spec("b", "2.0", tmp_path / "b")], dl
-        )
-    assert mock_install.call_count == 2
-    calls = sorted(mock_install.call_args_list, key=lambda c: c[0][0])
-    for c, (name, version) in zip(calls, [("a", "1.0"), ("b", "2.0")], strict=True):
-        assert c[0][:3] == (name, version, tmp_path / name)
-        assert c[1]["expect"] == ("payload",)
-        assert callable(c[1]["extract_progress"])
-        # Driving the tracker exercises the fraction-to-bytes scaling
-        c[1]["extract_progress"](0.5)
-        c[1]["extract_progress"](1.0)
-
-
-def test_install_packages_single_archive_stays_sequential(tmp_path: Path) -> None:
-    """One verified archive has nothing to parallelize; original order kept."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    (dl / "a-1.0").write_bytes(b"x")
-    specs = [_spec("a", "1.0", tmp_path / "a"), _spec("b", "2.0", tmp_path / "b")]
-    with patch.object(registry, "install_package") as mock_install:
-        registry.install_packages(specs, dl)
-    assert [c[0][0] for c in mock_install.call_args_list] == ["a", "b"]
-    for c in mock_install.call_args_list:
-        assert "extract_progress" not in c[1]
-
-
-def test_install_packages_mirror_and_marker_stay_sequential(tmp_path: Path) -> None:
-    """Mirror overrides and marker hits never enter the parallel batch."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    for name, ver in (("a", "1.0"), ("b", "2.0"), ("c", "3.0"), ("d", "4.0")):
-        (dl / f"{name}-{ver}").write_bytes(b"x")
-    marked = tmp_path / "c"
-    marked.mkdir()
-    (marked / ".esphome_extracted").touch()
-    specs = [
-        _spec("a", "1.0", tmp_path / "a"),
-        _spec("b", "2.0", tmp_path / "b", mirrors=["http://m"]),
-        _spec("c", "3.0", marked),
-        _spec("d", "4.0", tmp_path / "d"),
-    ]
-    with patch.object(registry, "install_package") as mock_install:
-        registry.install_packages(specs, dl)
-    sequential = [
-        c for c in mock_install.call_args_list if "extract_progress" not in c[1]
-    ]
-    batched = [c for c in mock_install.call_args_list if "extract_progress" in c[1]]
-    assert sorted(c[0][0] for c in sequential) == ["b", "c"]
-    assert sorted(c[0][0] for c in batched) == ["a", "d"]
-
-
-def test_install_packages_first_failure_reraised(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """Installs are mandatory: the first failure propagates, extras are logged."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    (dl / "a-1.0").write_bytes(b"x")
-    (dl / "b-2.0").write_bytes(b"y")
-    boom = EsphomeError("bad layout")
-
-    def _fail(name: str, *_a, **_kw) -> None:
-        raise boom if name == "a" else EsphomeError("also bad")
-
-    with (
-        patch.object(registry, "install_package", side_effect=_fail),
-        pytest.raises(EsphomeError),
-    ):
-        registry.install_packages(
-            [_spec("a", "1.0", tmp_path / "a"), _spec("b", "2.0", tmp_path / "b")], dl
-        )
-    # Every failure is named, including the re-raised one: its exception
-    # message may not identify the package
-    assert "Could not install a" in caplog.text
-    assert "Could not install b" in caplog.text
-
-
-@contextmanager
-def _batched_install(tmp_path: Path, extract_progress, prefill_archive: bool = True):
-    """Run a batched install_package of pkg@1.0.0; yields the download mock."""
-    dest = tmp_path / "pkg"
-    if prefill_archive:
-        (tmp_path / "dl").mkdir()
-        (tmp_path / "dl" / "pkg-1.0.0").write_bytes(b"x")
-    with (
-        patch.object(registry, "download_with_resume") as mock_download,
-        patch.object(registry, "archive_extract_all") as mock_extract,
-        patch.object(
-            registry,
-            "registry_download",
-            return_value=("http://x/pkg.tar.gz", "abc123", 42),
-        ),
-    ):
-        mock_extract.side_effect = lambda *_a, **_kw: (dest / "payload").mkdir(
-            parents=True
-        )
-        registry.install_package(
-            "pkg",
-            "1.0.0",
-            dest,
-            [],
-            tmp_path / "dl",
-            expect=("payload",),
-            extract_progress=extract_progress,
-        )
-        yield mock_download, mock_extract
-
-
-def test_install_package_extract_progress_suppresses_bars(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A batched install routes extraction fractions to the caller and keeps
-    both private bars and per-package INFO lines off the shared bar."""
-    fractions: list[float] = []
-    with (
-        caplog.at_level(logging.INFO),
-        _batched_install(tmp_path, fractions.append) as (mock_download, mock_extract),
-    ):
-        pass
-    assert mock_extract.call_args[1]["progress"] == fractions.append
-    # The download tracker reports zero bytes, keeping the shared bar honest
-    download_progress = mock_download.call_args[1]["progress"]
-    assert callable(download_progress)
-    download_progress(42)
-    assert fractions == [0.0]
-    assert "Downloading pkg" not in caplog.text
-    assert "Extracting pkg" not in caplog.text
-
-
-def test_install_package_batched_missing_archive_keeps_info_log(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A batched archive that unexpectedly needs a real download keeps the
-    INFO line; the shared bar shows no progress for it."""
-    with (
-        caplog.at_level(logging.INFO),
-        _batched_install(tmp_path, lambda _frac: None, prefill_archive=False),
-    ):
-        pass
-    assert "Downloading pkg 1.0.0" in caplog.text
-
-
-def test_install_packages_dedupes_duplicate_specs(tmp_path: Path) -> None:
-    """Duplicate (name, version) entries share one archive and would race
-    each other; the duplicate takes the sequential path."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    (dl / "a-1.0").write_bytes(b"x")
-    (dl / "b-2.0").write_bytes(b"y")
-    specs = [
-        _spec("a", "1.0", tmp_path / "a"),
-        _spec("a", "1.0", tmp_path / "a2"),
-        _spec("b", "2.0", tmp_path / "b"),
-    ]
-    with patch.object(registry, "install_package") as mock_install:
-        registry.install_packages(specs, dl)
-    sequential = [
-        c for c in mock_install.call_args_list if "extract_progress" not in c[1]
-    ]
-    batched = [c for c in mock_install.call_args_list if "extract_progress" in c[1]]
-    assert [(c[0][0], c[0][2]) for c in sequential] == [("a", tmp_path / "a2")]
-    assert sorted(c[0][0] for c in batched) == ["a", "b"]
-    # The duplicate runs after the batch, which unlinks their shared archive
-    assert mock_install.call_args_list[-1] == sequential[0]
-
-
-def test_install_packages_caps_workers(tmp_path: Path) -> None:
-    """A high core count is capped; the workers share one disk."""
-    dl = tmp_path / "dl"
-    dl.mkdir()
-    specs = []
-    for i in range(12):
-        (dl / f"p{i}-1.0").write_bytes(b"x")
-        specs.append(_spec(f"p{i}", "1.0", tmp_path / f"p{i}"))
-    with (
-        patch.object(registry, "get_usable_cpu_count", return_value=64),
-        patch.object(registry, "run_batch_downloads", return_value=[]) as batch,
-        patch.object(registry, "install_package"),
-    ):
-        registry.install_packages(specs, dl)
-    assert batch.call_args.kwargs["max_workers"] == 10
-
-
-def test_install_package_batched_refetch_announced_once(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A batched archive that fails verification and refetches is announced;
-    a verify no-op (full size credited immediately) stays silent."""
-    with (
-        caplog.at_level(logging.INFO),
-        _batched_install(tmp_path, lambda _frac: None) as (mock_download, _),
-    ):
-        progress = mock_download.call_args[1]["progress"]
-        progress(42)
-        assert "Re-downloading pkg 1.0.0" not in caplog.text
-        progress(10)
-        progress(20)
-    assert caplog.text.count("Re-downloading pkg 1.0.0") == 1
-
-
-def test_install_package_batched_refetch_announced_without_size(
-    tmp_path: Path, caplog: pytest.LogCaptureFixture
-) -> None:
-    """A size-less registry entry still announces its refetch on the first
-    streaming tick."""
-    with (
-        caplog.at_level(logging.INFO),
-        patch.object(registry, "download_with_resume") as mock_download,
-        patch.object(registry, "archive_extract_all") as mock_extract,
-        patch.object(
-            registry,
-            "registry_download",
-            return_value=("http://x/pkg.tar.gz", "abc123", None),
-        ),
-    ):
-        dest = tmp_path / "pkg"
-        (tmp_path / "dl").mkdir()
-        (tmp_path / "dl" / "pkg-1.0.0").write_bytes(b"x")
-        mock_extract.side_effect = lambda *_a, **_kw: (dest / "payload").mkdir(
-            parents=True
-        )
-        registry.install_package(
-            "pkg",
-            "1.0.0",
-            dest,
-            [],
-            tmp_path / "dl",
-            expect=("payload",),
-            extract_progress=lambda _frac: None,
-        )
-        progress = mock_download.call_args[1]["progress"]
-        # A verify no-op credits the whole (nonempty) file in one tick
-        progress(1)
-        assert "Re-downloading pkg 1.0.0" not in caplog.text
-        progress(0)
-    assert "Re-downloading pkg 1.0.0" in caplog.text

tests/unit_tests/test_writer.py

@@ -516,13 +516,10 @@ def test_clean_build(
     dependencies_lock = tmp_path / "dependencies.lock"
     dependencies_lock.write_text("lock file")
 
-    # idedata caches live under the data dir, not the build path; the
-    # .arduino.json variant is the native esp8266 toolchain's.
+    # idedata cache lives under the data dir, not the build path.
     idedata_cache = tmp_path / "idedata" / "test.json"
     idedata_cache.parent.mkdir()
     idedata_cache.write_text("{}")
-    arduino_idedata_cache = tmp_path / "idedata" / "test.arduino.json"
-    arduino_idedata_cache.write_text("{}")
 
     # Native ESP-IDF toolchain artifacts.
     idf_build_dir = tmp_path / "build"
@@ -583,7 +580,6 @@ def test_clean_build(
     assert not piolibdeps_dir.exists()
     assert not dependencies_lock.exists()
     assert not idedata_cache.exists()
-    assert not arduino_idedata_cache.exists()
     assert not idf_build_dir.exists()
     assert not managed_components_dir.exists()
     assert not pio_components_dir.exists()
@@ -677,32 +673,6 @@ def test_clean_build_partial_exists(
     assert "dependencies.lock" not in caplog.text
 
 
-@patch("esphome.writer.CORE")
-def test_clean_build_partial_removes_pch_artifacts(
-    mock_core: MagicMock,
-    tmp_path: Path,
-) -> None:
-    """The PlatformIO pch sidecars live at the project root and must go in
-    a partial clean, like the native backend's under .pioenvs."""
-    names = (
-        "esphome_pch.h",
-        "esphome_pch.h.gch",
-        "esphome_pch.h.gch.sum",
-        "esphome_pch.h.gch.failed",
-    )
-    for name in names:
-        (tmp_path / name).write_text("x")
-    mock_core.relative_pioenvs_path.return_value = tmp_path / ".pioenvs"
-    mock_core.relative_piolibdeps_path.return_value = tmp_path / ".piolibdeps"
-    mock_core.relative_build_path.side_effect = lambda name: tmp_path / name
-    mock_core.relative_internal_path.side_effect = tmp_path.joinpath
-
-    clean_build()
-
-    for name in names:
-        assert not (tmp_path / name).exists()
-
-
 @patch("esphome.writer.CORE")
 def test_clean_build_nothing_exists(
     mock_core: MagicMock,