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1788f61 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #!/usr/bin/env python3
"""Write SHA256SUMS.txt for all published regular files."""
from __future__ import annotations
import argparse
import hashlib
from pathlib import Path
def digest(path: Path) -> str:
h = hashlib.sha256()
with path.open("rb") as f:
for block in iter(lambda: f.read(8 * 1024 * 1024), b""):
h.update(block)
return h.hexdigest()
def main() -> int:
ap = argparse.ArgumentParser()
ap.add_argument("--release-root", type=Path, required=True)
ap.add_argument("--output", type=Path)
args = ap.parse_args()
out = args.output or args.release_root / "SHA256SUMS.txt"
paths = []
for p in args.release_root.rglob("*"):
if not p.is_file() or p == out or p.name.endswith(".partial"):
continue
paths.append(p)
paths.sort(key=lambda p: p.relative_to(args.release_root).as_posix())
with out.open("w", encoding="utf-8") as f:
for p in paths:
f.write(f"{digest(p)} {p.relative_to(args.release_root).as_posix()}\n")
print(f"wrote {len(paths)} checksums to {out}")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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