mirror of https://github.com/pyodide/pyodide.git
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
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#!/usr/bin/env python3
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# This file is a helper script to calculate the hash for cache key
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# in the CI. It is not used in the build process.
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from hashlib import sha256
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from pathlib import Path
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import pathspec # pip install pathspec
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def hash_file(filename):
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with open(filename, "rb") as f:
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return sha256(f.read()).hexdigest()
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def get_ignore_pattern(root: Path) -> list[str]:
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ignorefile = root / ".gitignore"
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if not ignorefile.exists():
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raise RuntimeError("No .gitignore file found in root directory")
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return ignorefile.read_text().splitlines()
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def main():
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root: Path = Path(__file__).parent.parent
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targets: list[Path] = [
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root / "Makefile",
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root / "Makefile.envs",
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root / "packages" / "Makefile",
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root / "pyodide-build" / "setup.cfg",
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root / "pyodide-build" / "pyodide_build" / "__init__.py",
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root / "pyodide-build" / "pyodide_build" / "pywasmcross.py",
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root / "tools",
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]
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ignore_pattern = get_ignore_pattern(root)
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ignore_spec = pathspec.PathSpec.from_lines("gitwildmatch", ignore_pattern)
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hash_candidates: list[Path] = []
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for target in targets:
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if target.is_file():
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hash_candidates.append(target)
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else:
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hash_candidates.extend(list(target.glob("**/*")))
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hash_candidates_filtered = sorted(
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list(
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filter(
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lambda file: file.is_file() and not ignore_spec.match_file(str(file)),
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hash_candidates,
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)
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)
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)
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hashes = []
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for file in hash_candidates_filtered:
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hashes.append(hash_file(file))
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print("".join(hashes))
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if __name__ == "__main__":
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main()
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