Datasets:
Download resources/scripts/download.py from markfaa/CryoAtlas: direct link, hf CLI and curl.
- Browser
- Download file 3.43 kB
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https://huggingface.co/datasets/markfaa/CryoAtlas/resolve/main/resources/scripts/download.py
- Command line
-
hf download hf://datasets/markfaa/CryoAtlas/resources/scripts/download.py
-
curl -L -o download.py https://huggingface.co/datasets/markfaa/CryoAtlas/resolve/main/resources/scripts/download.py
3.43 kB
| #!/usr/bin/env python3 | |
| """Select CryoAtlas release archives, download them, and verify SHA-256.""" | |
| import argparse | |
| import hashlib | |
| import json | |
| from pathlib import Path | |
| from huggingface_hub import HfApi, hf_hub_download | |
| REPO = 'markfaa/CryoAtlas' | |
| def select_archives(manifest, args, entry_map=None): | |
| if args.part: | |
| parts = {f'train_part{n:02d}' for n in args.part} | |
| return [r for r in manifest if r['component'] in parts] | |
| if args.test: | |
| components = {'test_benchmark_618', 'test_remaining_534'} if args.test == 'all' else { | |
| 'test_benchmark_618' if args.test == 'benchmark' else 'test_remaining_534'} | |
| return [r for r in manifest if r['component'] in components] | |
| if args.resources: | |
| return [r for r in manifest if r['component'] == 'benchmark_resources'] | |
| emd = args.emd.upper() | |
| if not emd.startswith('EMD-'): | |
| emd = 'EMD-' + emd | |
| if emd not in entry_map: | |
| raise ValueError(f'{emd} is not in the fixed v1.0 release.') | |
| return [r for r in manifest if r['path'] == entry_map[emd]] | |
| def main(): | |
| parser = argparse.ArgumentParser(description=__doc__) | |
| group = parser.add_mutually_exclusive_group(required=True) | |
| group.add_argument('--part', type=int, choices=(1, 2, 3, 4), nargs='+') | |
| group.add_argument('--test', choices=('benchmark', 'remaining', 'all')) | |
| group.add_argument('--resources', action='store_true') | |
| group.add_argument('--emd', help='Find and download the complete archive containing this EMD ID.') | |
| parser.add_argument('--destination', type=Path, default=Path('CryoAtlas-downloads')) | |
| parser.add_argument('--revision', default='main') | |
| parser.add_argument('--dry-run', action='store_true', help='Show selected archives and sizes without downloading them.') | |
| args = parser.parse_args() | |
| # Pin all reads and downloads to one repository revision. | |
| revision = HfApi().dataset_info(REPO, revision=args.revision).sha | |
| def read_json(name): | |
| return json.loads(Path(hf_hub_download(REPO, name, repo_type='dataset', revision=revision)).read_text()) | |
| manifest = read_json('resources/metadata/catalog/archives.json') | |
| entry_map = read_json('resources/metadata/catalog/entry_archives.json') if args.emd else None | |
| try: | |
| selected = select_archives(manifest, args, entry_map) | |
| except ValueError as exc: | |
| parser.error(str(exc)) | |
| if not selected: | |
| parser.error('No matching archives.') | |
| print(f'Revision: {revision}') | |
| for row in selected: | |
| print(f"{row['bytes']/1e9:8.3f} GB {row['path']}") | |
| print(f"Total: {sum(r['bytes'] for r in selected)/1e9:.3f} GB") | |
| if args.emd: | |
| print('Selection is an entire archive containing this entry, not an individual-entry download.') | |
| if args.dry_run: | |
| return | |
| for row in selected: | |
| path = Path(hf_hub_download(REPO, row['path'], repo_type='dataset', revision=revision, local_dir=args.destination)) | |
| if path.stat().st_size != row['bytes']: | |
| raise RuntimeError(f'Size mismatch: {row["path"]}') | |
| sha = hashlib.sha256() | |
| with path.open('rb') as stream: | |
| for block in iter(lambda: stream.read(8 * 1024 * 1024), b''): | |
| sha.update(block) | |
| if sha.hexdigest() != row['sha256']: | |
| raise RuntimeError(f'SHA-256 mismatch: {row["path"]}') | |
| print(f'Verified: {row["path"]}') | |
| if __name__ == '__main__': | |
| main() | |