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84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
"""Copy an explicit source allowlist into a new repository directory.
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This workspace also holds firmware research. Exporting from an allowlist,
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rather than recursively copying the workspace and subtracting known inputs,
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prevents newly added vendor artifacts from silently entering a release.
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The destination must be empty; existing content is never replaced.
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"""
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import argparse
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import shutil
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from pathlib import Path
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ROOT_FILES = (
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"README.md",
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"CONTRIBUTING.md",
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"LICENSE",
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"LICENSE.txt",
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"pyproject.toml",
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"uv.lock",
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"MANIFEST.in",
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"requirements.txt",
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"requirements-diagnostics.txt",
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".gitignore",
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)
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TREES = {
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"controller": {".py"},
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"tests": {".py"},
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"docs": {".md"},
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"scripts": {".py"},
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".github": {".yml", ".yaml"},
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}
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def source_files(root):
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root = Path(root).resolve()
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selected = [root / name for name in ROOT_FILES if (root / name).is_file()]
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for folder, suffixes in TREES.items():
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selected.extend(
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path
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for path in (root / folder).rglob("*")
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if path.is_file() and path.suffix in suffixes and "__pycache__" not in path.parts
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)
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for path in selected:
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if path.is_symlink() or not path.resolve().is_relative_to(root):
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raise ValueError(
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f"Export refuses symlinked or external source: {path.relative_to(root)}"
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)
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return sorted(selected)
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def export_project(root, destination):
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root = Path(root).resolve()
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destination = Path(destination)
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if destination.is_symlink():
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raise ValueError("Export destination cannot be a symlink")
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destination = destination.resolve()
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if destination == root or any(destination.is_relative_to(root / folder) for folder in TREES):
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raise ValueError("Choose a destination outside the included source folders")
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if destination.exists() and (not destination.is_dir() or any(destination.iterdir())):
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raise ValueError("Export destination must be a new or empty directory")
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files = source_files(root)
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destination.mkdir(parents=True, exist_ok=True)
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for source in files:
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target = destination / source.relative_to(root)
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target.parent.mkdir(parents=True, exist_ok=True)
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shutil.copy2(source, target)
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return len(files)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("destination", type=Path)
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args = parser.parse_args()
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root = Path(__file__).resolve().parents[1]
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try:
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count = export_project(root, args.destination)
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except ValueError as exc:
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parser.error(str(exc))
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print(f"Exported {count} source/documentation files to {args.destination}")
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if __name__ == "__main__":
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main()
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