Files
esphome/esphome/api_client.py
T

118 lines
4.0 KiB
Python

from __future__ import annotations
import asyncio
from contextlib import suppress
import logging
from typing import TYPE_CHECKING, Any
import warnings
# Suppress protobuf version warnings
with warnings.catch_warnings():
warnings.filterwarnings(
"ignore", category=UserWarning, message=".*Protobuf gencode version.*"
)
from aioesphomeapi import APIClient, parse_log_message
from aioesphomeapi.log_runner import async_run
from esphome.const import CONF_ENCRYPTION, CONF_KEY, CONF_PORT, __version__
from esphome.core import CORE
from esphome.stacktrace import LogLineProcessor
from esphome.util import safe_print
if TYPE_CHECKING:
from aioesphomeapi.api_pb2 import (
SubscribeLogsResponse, # pylint: disable=no-name-in-module
)
_LOGGER = logging.getLogger(__name__)
async def async_run_logs(
config: dict[str, Any],
addresses: list[str],
subscribe_states: bool = True,
) -> None:
"""Run the logs command in the event loop."""
from datetime import datetime
conf = config["api"]
name = config["esphome"]["name"]
port: int = int(conf[CONF_PORT])
noise_psk: str | None = None
if (encryption := conf.get(CONF_ENCRYPTION)) and (key := encryption.get(CONF_KEY)):
noise_psk = key
_LOGGER.info(
"Starting log output from %s using esphome API", " or ".join(addresses)
)
cli = APIClient(
addresses[0], # Primary address for compatibility
port,
"", # Password auth removed in 2026.1.0
client_info=f"ESPHome Logs {__version__}",
noise_psk=noise_psk,
addresses=addresses, # Pass all addresses for automatic retry
provide_time=False,
)
# Decoder resolution policy lives in LogLineProcessor.
processor = LogLineProcessor(config, CORE.target_platform)
def on_log(msg: SubscribeLogsResponse) -> None:
"""Handle a new log message."""
time_ = datetime.now().astimezone()
message: bytes = msg.message
text = message.decode("utf8", "backslashreplace")
nanoseconds = time_.microsecond // 1000
timestamp = (
f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{nanoseconds:03}]"
)
for parsed_msg in parse_log_message(text, timestamp):
# safe_print handles the dashboard \033 escaping and falls back
# to backslashreplace encoding on stdouts that can't represent
# the wifi signal-bar block characters (Windows redirected
# cp1252 pipe).
safe_print(parsed_msg)
for raw_line in text.splitlines():
processor.process_line(raw_line)
# Safe to fall back to plaintext here only for this diagnostics use
# case: the stream is one-way from device to client, and this code
# never accepts commands or acts on any message the device sends.
# An on-path attacker could still both inject fabricated log lines
# and passively read the device's log output (and any state data
# delivered when subscribe_states is enabled), so this does lose
# confidentiality as well as authentication/integrity. That tradeoff
# is acceptable for operator-visible logs, which aioesphomeapi also
# warns may come from an unverified device. Never mirror this opt-in
# for any connection that sends data to the device or uses Home
# Assistant actions.
stop = await async_run(
cli,
on_log,
name=name,
subscribe_states=subscribe_states,
allow_plaintext_fallback=True,
# A top-level ``deep_sleep:`` block means the device is only awake
# briefly; cap the reconnect backoff so a wake window is not missed.
deep_sleep="deep_sleep" in config,
)
try:
await asyncio.Event().wait()
finally:
await stop()
def run_logs(
config: dict[str, Any],
addresses: list[str],
subscribe_states: bool = True,
) -> None:
"""Run the logs command."""
with suppress(KeyboardInterrupt):
asyncio.run(
async_run_logs(config, addresses, subscribe_states=subscribe_states)
)