| """Load Test records and safely extract the exact referenced images; stdlib only.""" |
| from __future__ import annotations |
|
|
| import argparse |
| import json |
| from pathlib import Path |
| import tempfile |
| import zipfile |
|
|
| from verify_release import file_hash, safe_image_path, verify |
|
|
|
|
| def load_test(root=None, extract_dir=None): |
| root = Path(root or Path(__file__).resolve().parent).resolve() |
| result = verify(root) |
| if result['errors']: |
| raise ValueError('Release verification failed: ' + '; '.join(result['errors'])) |
| archive_path = root/'images.zip' |
| destination = (Path(extract_dir).resolve() if extract_dir else |
| Path(tempfile.gettempdir())/'magar-bench-test'/file_hash(archive_path)[:16]) |
| index = json.loads((root/'image_manifest.json').read_text(encoding='utf-8'))['images'] |
| destination.mkdir(parents=True, exist_ok=True) |
| with zipfile.ZipFile(archive_path) as archive: |
| for entry in index: |
| name = entry['path'] |
| if not safe_image_path(name): |
| raise ValueError(f'Unsafe archive path: {name}') |
| target = (destination/name).resolve() |
| if not target.is_relative_to(destination.resolve()): |
| raise ValueError(f'Path escapes extraction directory: {name}') |
| if target.is_file() and file_hash(target) == entry['sha256']: |
| continue |
| if target.exists(): |
| raise ValueError(f'Existing cache file differs from release: {target}') |
| target.parent.mkdir(parents=True, exist_ok=True) |
| with target.open('xb') as stream: |
| stream.write(archive.read(name)) |
| if file_hash(target) != entry['sha256']: |
| raise ValueError(f'Extracted image mismatch: {target}') |
| rows = [json.loads(line) for line in (root/'test.jsonl').read_text(encoding='utf-8').splitlines() if line.strip()] |
| for row in rows: |
| row['images'] = [str((destination/name).resolve()) for name in row['images']] |
| return rows |
|
|
|
|
| if __name__ == '__main__': |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--root', type=Path, default=Path(__file__).resolve().parent) |
| parser.add_argument('--extract-dir', type=Path) |
| args = parser.parse_args() |
| loaded = load_test(args.root, args.extract_dir) |
| print(json.dumps({'test_rows':len(loaded), 'resolved_unique_images':len({p for r in loaded for p in r['images']}), |
| 'first_sample_id':loaded[0]['id'], 'first_image':loaded[0]['images'][0]}, indent=2)) |
|
|
