| """Download a dataset's published SIF pool using tmax-compatible filenames.""" |
| import argparse,hashlib,json,os |
| from concurrent.futures import ThreadPoolExecutor |
| from pathlib import Path |
| from huggingface_hub import hf_hub_download |
|
|
| def main(): |
| p=argparse.ArgumentParser(description=__doc__);p.add_argument('--repo',required=True);p.add_argument('--output',type=Path,required=True);p.add_argument('--allow-partial',action='store_true');p.add_argument('--workers',type=int,default=4);args=p.parse_args() |
| manifest=Path(hf_hub_download(args.repo,'apptainer/manifest.jsonl',repo_type='dataset')) |
| rows=[json.loads(line) for line in manifest.read_text().splitlines()] |
| missing=[r for r in rows if r['status']!='published'] |
| if missing and not args.allow_partial:raise SystemExit(f'{len(missing)} images are not yet published. Use --allow-partial to download the available subset.') |
| args.output.mkdir(parents=True,exist_ok=True) |
| def sha(p): |
| with p.open('rb') as f:return hashlib.file_digest(f,'sha256').hexdigest() |
| def download(row): |
| target=args.output/row['sif_name'] |
| if target.is_file() and sha(target)==row['sif_sha256']:return |
| staged=Path(hf_hub_download(args.repo,row['hf_path'],repo_type='dataset',revision=row['commit'],local_dir=args.output/'.downloads')) |
| if sha(staged)!=row['sif_sha256']:raise RuntimeError('Checksum mismatch: '+row['hf_path']) |
| os.replace(staged,target) |
| print(target.name,flush=True) |
| with ThreadPoolExecutor(args.workers) as pool:list(pool.map(download,[r for r in rows if r['status']=='published'])) |
| print(f'Pool: {args.output.resolve()} ({len(rows)-len(missing)} images available; {len(missing)} pending)') |
| print('Set SWERL_APPTAINER_SIF_DIR to this directory.') |
| if __name__=='__main__':main() |
|
|
