| |
| """Verify release files without loading the model or accessing the network.""" |
| import argparse |
| import hashlib |
| import json |
| from pathlib import Path |
|
|
| ROOT = Path(__file__).resolve().parents[1] |
|
|
|
|
| def digest(path): |
| with path.open('rb') as stream: |
| return hashlib.file_digest(stream, 'sha256').hexdigest() |
|
|
|
|
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--source-only', action='store_true', help='Allow the GitHub checkout to omit model.safetensors.') |
| args = parser.parse_args() |
| files = json.loads((ROOT/'FILE_MANIFEST.json').read_text())['files'] |
| failures = [] |
| checked = 0 |
| for name, record in files.items(): |
| path = (ROOT/name).resolve() |
| if not path.is_relative_to(ROOT) or not path.is_file(): |
| failures.append(f'Missing or invalid path: {name}') |
| elif path.stat().st_size != record['bytes'] or digest(path) != record['sha256']: |
| failures.append(f'Integrity mismatch: {name}') |
| else: |
| checked += 1 |
| weights = ROOT/'model.safetensors' |
| if weights.is_file(): |
| expected = json.loads((ROOT/'config.json').read_text())['weight_sha256'] |
| if 'model.safetensors' not in files: |
| if digest(weights) != expected: |
| failures.append('Weight checksum does not match config.json') |
| else: |
| checked += 1 |
| elif not args.source_only: |
| failures.append('Missing model.safetensors; download it from OpenSML/Solstice-1.') |
| print(json.dumps({'passed': not failures, 'files_verified': checked, 'weights_present': weights.is_file(), 'failures': failures}, indent=2)) |
| raise SystemExit(bool(failures)) |
|
|
|
|
| if __name__ == '__main__': |
| main() |
|
|
