HESRT / examples /verify_download.py
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Publish HESRT 2026-09-17-v1: card, catalogs, real previews and verified usage examples
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"""Verify an archive checksum, or every member of an extracted HESRT package."""
from __future__ import annotations
import argparse
import json
from pathlib import Path
from hesrt_io import sha256, verify_members
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("path", type=Path)
parser.add_argument("--sha256", dest="expected", help="Required for a .tar.zst archive")
args = parser.parse_args()
if args.path.is_dir():
manifest = verify_members(args.path)
print(json.dumps({"gsm_id": manifest["gsm_id"], "verified_members": len(manifest["members"])}))
else:
if not args.expected:
parser.error("Supply --sha256 from the versioned catalog or SHA256SUMS")
actual = sha256(args.path)
if actual.lower() != args.expected.lower():
raise ValueError("Archive SHA256 mismatch")
print(json.dumps({"archive_sha256": actual, "verified": True}))
if __name__ == "__main__":
main()