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Suppress spurious volatile and Python syntax warnings during builds (#9488)

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J. Nick Koston 2025-07-13 21:47:52 -10:00 committed by GitHub
parent 873f4125c5
commit e7d819a656
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2 changed files with 21 additions and 0 deletions
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2
esphome/platformio_api.py
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@ -78,6 +78,8 @@ def run_platformio_cli(*args, **kwargs) -> str | int:
os.environ.setdefault(
"PLATFORMIO_LIBDEPS_DIR", os.path.abspath(CORE.relative_piolibdeps_path())
)
# Suppress Python syntax warnings from third-party scripts during compilation
os.environ.setdefault("PYTHONWARNINGS", "ignore::SyntaxWarning")
cmd = ["platformio"] + list(args)
if not CORE.verbose:

19
esphome/writer.py
View File

@ -162,6 +162,9 @@ def get_ini_content():
# Sort to avoid changing build unflags order
CORE.add_platformio_option("build_unflags", sorted(CORE.build_unflags))
# Add extra script for C++ flags
CORE.add_platformio_option("extra_scripts", ["pre:cxx_flags.py"])
content = "[platformio]\n"
content += f"description = ESPHome {__version__}\n"
@ -222,6 +225,9 @@ def write_platformio_project():
write_gitignore()
write_platformio_ini(content)
# Write extra script for C++ specific flags
write_cxx_flags_script()
DEFINES_H_FORMAT = ESPHOME_H_FORMAT = """\
#pragma once
@ -394,3 +400,16 @@ def write_gitignore():
if not os.path.isfile(path):
with open(file=path, mode="w", encoding="utf-8") as f:
f.write(GITIGNORE_CONTENT)
CXX_FLAGS_SCRIPT = """# Auto-generated ESPHome script for C++ specific compiler flags
Import("env")
# Add C++ specific warning flags
env.Append(CXXFLAGS=["-Wno-volatile"])
"""
def write_cxx_flags_script() -> None:
path = CORE.relative_build_path("cxx_flags.py")
write_file_if_changed(path, CXX_FLAGS_SCRIPT)