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ee2574f | 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 41 42 43 44 | #!/usr/bin/env python3
"""Verify every SHA-256 digest listed in metadata/checksums.sha256."""
from __future__ import annotations
import hashlib
from pathlib import Path
ROOT = Path(__file__).resolve().parents[1]
CHECKSUMS = ROOT / "metadata" / "checksums.sha256"
def sha256(path: Path) -> str:
digest = hashlib.sha256()
with path.open("rb") as handle:
for chunk in iter(lambda: handle.read(1024 * 1024), b""):
digest.update(chunk)
return digest.hexdigest()
def main() -> None:
verified = 0
for line_number, line in enumerate(
CHECKSUMS.read_text(encoding="utf-8").splitlines(), start=1
):
if not line.strip():
continue
expected, relative_path = line.split(" ", maxsplit=1)
path = ROOT / Path(relative_path)
if not path.is_file():
raise FileNotFoundError(f"Missing file listed at line {line_number}: {path}")
actual = sha256(path)
if actual != expected:
raise ValueError(
f"Checksum mismatch for {relative_path}: expected {expected}, got {actual}"
)
verified += 1
print(f"Verified {verified} release files.")
if __name__ == "__main__":
main()
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