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Silence the framework elf2bin script's SyntaxWarning

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The bundled elf2bin.py uses unescaped regex strings that Python 3.12+
flags at compile time; the frozen 3.1.2 framework will never fix it,
so the ninja rule suppresses that category for the one invocation.
This commit is contained in:
J. Nick Koston
2026-08-27 23:01:15 -05:00
parent 31470e7997
commit 979aac1cae
1 changed files with 2 additions and 1 deletions
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esphome/build_gen/arduino8266.py
+2 -1
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@@ -1105,7 +1105,8 @@ def write_project(paths: InstalledPaths, ccache: str | None) -> bool:
"rule elf2bin",
# --flash_size deliberately stays board-derived, as under
# PlatformIO (which reads upload.maximum_size, not the ldscript).
f" command = $python {_q(framework / 'tools' / 'elf2bin.py')} --eboot {_q(framework / 'bootloaders' / 'eboot' / 'eboot.elf')} --app $in --flash_mode {flash_mode} --flash_freq {_FLASH_FREQ_MHZ} --flash_size {_flash_size_str(BOARDS[board][KEY_FLASH_SIZE])} --path {_q(toolchain_bin)} --out $out",
# -W: the framework's own elf2bin.py trips SyntaxWarning on 3.12+.
f" command = $python -W ignore::SyntaxWarning {_q(framework / 'tools' / 'elf2bin.py')} --eboot {_q(framework / 'bootloaders' / 'eboot' / 'eboot.elf')} --app $in --flash_mode {flash_mode} --flash_freq {_FLASH_FREQ_MHZ} --flash_size {_flash_size_str(BOARDS[board][KEY_FLASH_SIZE])} --path {_q(toolchain_bin)} --out $out",
" description = BIN $out",
"rule copy",
" command = $python $buildtool copy $in $out",