build_manifest.py

#!/usr/bin/env python3
from pathlib import Path
import hashlib

ROOT = Path(__file__).resolve().parent
MANIFEST = ROOT / "BUNDLE_SHA256SUMS.txt"


def digest(path: Path) -> str:
    return hashlib.sha256(path.read_bytes()).hexdigest()


files = sorted(
    path for path in ROOT.rglob("*")
    if path.is_file() and path != MANIFEST and "__pycache__" not in path.parts
)
MANIFEST.write_text(
    "\n".join(f"{digest(path)}  ./{path.relative_to(ROOT).as_posix()}" for path in files) + "\n",
    encoding="utf-8",
)
assert all(
    digest(ROOT / line.split("  ./", 1)[1]) == line.split("  ./", 1)[0]
    for line in MANIFEST.read_text(encoding="utf-8").splitlines()
)
print(f"manifest verified: {len(files)} files")