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Touch up Setup.local handling in Tools/wasm/wasi (GH-137051)

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The comment in the generated file is now more self-explanatory. The checks for unexpected file contents are also strengthened.
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Brett Cannon 2025-07-23 11:50:15 -07:00 • committed by GitHub
parent a10235ea67
commit ec7fad79d2
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1 changed files with 9 additions and 6 deletions
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11
Tools/wasm/wasi/__main__.py
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@ -23,7 +23,8 @@
BUILD_DIR = CROSS_BUILD_DIR / "build"
LOCAL_SETUP = CHECKOUT / "Modules" / "Setup.local"
LOCAL_SETUP_MARKER = "# Generated by Tools/wasm/wasi.py\n".encode("utf-8")
LOCAL_SETUP_MARKER = ("# Generated by Tools/wasm/wasi .\n"
"# Required to statically build extension modules.").encode("utf-8")
WASMTIME_VAR_NAME = "WASMTIME"
WASMTIME_HOST_RUNNER_VAR = f"{{{WASMTIME_VAR_NAME}}}"
@ -141,9 +142,12 @@ def build_python_is_pydebug():
def configure_build_python(context, working_dir):
"""Configure the build/host Python."""
if LOCAL_SETUP.exists():
if LOCAL_SETUP.read_bytes() == LOCAL_SETUP_MARKER:
print(f"👍 {LOCAL_SETUP} exists ...")
else:
print(f"📝 Touching {LOCAL_SETUP} ...")
print(f"⚠️ {LOCAL_SETUP} exists, but has unexpected contents")
else:
print(f"📝 Creating {LOCAL_SETUP} ...")
LOCAL_SETUP.write_bytes(LOCAL_SETUP_MARKER)
configure = [os.path.relpath(CHECKOUT / 'configure', working_dir)]
@ -297,8 +301,7 @@ def clean_contents(context):
shutil.rmtree(CROSS_BUILD_DIR)
if LOCAL_SETUP.exists():
with LOCAL_SETUP.open("rb") as file:
if file.read(len(LOCAL_SETUP_MARKER)) == LOCAL_SETUP_MARKER:
if LOCAL_SETUP.read_bytes() == LOCAL_SETUP_MARKER:
print(f"🧹 Deleting generated {LOCAL_SETUP} ...")