| """Verify the supplemental runtime payload; optionally extract with Python 3.12+.""" |
| import argparse,hashlib,json,sys,tarfile,shutil,tempfile,os |
| from pathlib import Path |
| p=argparse.ArgumentParser();p.add_argument('--directory',default='.');p.add_argument('--extract');a=p.parse_args() |
| root=Path(a.directory);receipt=json.loads((root/'FINAL_RUNTIME_RECEIPT.json').read_text()) |
| metadata=json.loads((root/'RUNTIME_METADATA_RECEIPT.json').read_text()) |
| for r in receipt['files']+metadata['files']: |
| f=root/r['path'];assert f.is_file() and f.stat().st_size==r['bytes'],r['path'] |
| h=hashlib.sha256() |
| with f.open('rb') as stream: |
| for b in iter(lambda:stream.read(8*1024*1024),b''):h.update(b) |
| assert h.hexdigest()==r['sha256'],r['path'] |
| print('OK',r['path']) |
| if a.extract: |
| if sys.version_info<(3,12):raise SystemExit('Python 3.12+ required for safe extraction') |
| destination=Path(a.extract) |
| if destination.exists() and any(destination.iterdir()):raise SystemExit('Choose an empty output directory') |
| destination.mkdir(parents=True,exist_ok=True) |
| with tarfile.open(root/'final-runtime-dependencies-20261026.tar.gz') as archive:archive.extractall(destination,filter='data') |
| modes=json.loads((root/'RUNTIME_FILE_MODES.json').read_text()) |
| for relative,mode in modes.items(): |
| relative_path=Path(relative) |
| if relative_path.is_absolute() or '..' in relative_path.parts:raise ValueError('Unsafe mode path') |
| file=destination/relative_path |
| if not file.is_file():raise FileNotFoundError(file) |
| if file.stat().st_nlink>1: |
| with tempfile.NamedTemporaryFile(dir=file.parent,delete=False) as temp: |
| with file.open('rb') as source:shutil.copyfileobj(source,temp) |
| temporary=Path(temp.name) |
| os.replace(temporary,file) |
| file.chmod(mode & 0o777) |
| print('Extracted to',destination.resolve()) |
|
|
