File size: 971 Bytes
3c57262 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/usr/bin/env python3
"""Offline integrity check for one exported benchmark bundle."""
from __future__ import annotations
import hashlib, json, pathlib, sys
root = pathlib.Path(sys.argv[1] if len(sys.argv) > 1 else '.').resolve()
manifest = root / 'MANIFEST.json'
if not manifest.is_file(): raise SystemExit(f'missing {manifest}')
data = json.loads(manifest.read_text())
errors=[]; checked=0
for row in data.get('checksums', []):
p=root / row['path']
if not p.is_file(): errors.append(f'missing {row["path"]}'); continue
h=hashlib.sha256()
with p.open('rb') as f:
for chunk in iter(lambda:f.read(8*1024*1024), b''): h.update(chunk)
checked+=1
if h.hexdigest()!=row['sha256']: errors.append(f'hash mismatch {row["path"]}')
if errors:
print('\n'.join(errors), file=sys.stderr); raise SystemExit(1)
print(json.dumps({'status':'passed','benchmark':data.get('benchmark'),'checksums_checked':checked,'root':str(root)}, ensure_ascii=False))
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