| """Download bounded official pilot inputs; keep archives intact. No upstream code execution.""" |
| from pathlib import Path |
| import concurrent.futures, hashlib, json, requests |
|
|
| ROOT = Path(__file__).resolve().parents[1] / 'hand-datasets' |
| REFS = { |
| 'Dex-YCB': ('NVlabs/dex-ycb-toolkit', ['README.md','dex_ycb_toolkit/dex_ycb.py','dex_ycb_toolkit/sequence_loader.py']), |
| 'VISOR': ('epic-kitchens/VISOR-VIS', ['README.md','vis.py']), |
| 'H2O': ('taeinkwon/h2odataset', ['README.md','download_script.py']), |
| 'HOI4D': ('leolyliu/HOI4D-Instructions', ['README.md','utils/parse_2Dmask_img.py','utils/color_map.py']), |
| 'ARCTIC': ('zc-alexfan/arctic', ['docs/data/README.md','docs/data/data_doc.md']), |
| 'FreiHAND': ('lmb-freiburg/freihand', ['README.md','utils/model.py','utils/fh_utils.py','view_samples.py']), |
| 'RHD': ('lmb-freiburg/hand3d', ['README.md','create_binary_db.py']), |
| 'HOT3D': ('facebookresearch/hot3d', ['README.md','hot3d/data_loaders/loader_hand_poses.py']), |
| 'OakInk2': ('oakink/OakInk2', ['README.md']), |
| 'ReInterHand': ('facebookresearch/InterWild', ['tool/ReInterHand/download/download_checksum_framelist.py','tool/ReInterHand/download/download_ego_per_frame.py','tool/ReInterHand/download/download_mano_fits.py']), |
| } |
| BASE='https://data.bris.ac.uk/datasets/2v6cgv1x04ol22qp9rm9x2j6a7/' |
|
|
| def sha(p): |
| h=hashlib.sha256() |
| with p.open('rb') as f: |
| for b in iter(lambda:f.read(1024*1024),b''):h.update(b) |
| return h.hexdigest() |
|
|
| def fetch(dataset, url, relative, limit=30_000_000): |
| p=ROOT/dataset/'raw'/relative;p.parent.mkdir(parents=True,exist_ok=True) |
| receipt=p.with_name(p.name+'.receipt.json') |
| if p.exists() and receipt.exists(): |
| info=json.loads(receipt.read_text()); assert sha(p)==info['sha256'];return info |
| part=p.with_name(p.name+'.part') |
| with requests.get(url,stream=True,headers={'Accept-Encoding':'identity'},timeout=(15,40)) as r: |
| r.raise_for_status(); expected=int(r.headers.get('Content-Length',0)) |
| if expected>limit:raise ValueError(f'File exceeds pilot limit: {expected}') |
| size=0 |
| with part.open('wb') as f: |
| for chunk in r.iter_content(1024*1024): |
| size+=len(chunk) |
| if size>limit:raise ValueError('Stream exceeds pilot limit') |
| f.write(chunk) |
| if expected and not r.headers.get('Content-Encoding') and size!=expected:raise ValueError('Incomplete transfer') |
| part.replace(p) |
| info={'url':url,'path':str(p.relative_to(ROOT/dataset)), 'bytes':size,'sha256':sha(p),'official_checksum':None,'verification':'HTTP success; content length where supplied; locally computed SHA256'} |
| receipt.write_text(json.dumps(info,indent=2),encoding='utf-8');return info |
|
|
| def reference(item): |
| name,(repo,paths)=item;results=[] |
| for section in ['raw/doc','raw/script','raw/data','pilot-v0/doc','pilot-v0/script','pilot-v0/data']:(ROOT/name/section).mkdir(parents=True,exist_ok=True) |
| for path in paths: |
| try:results.append(fetch(name,f'https://raw.githubusercontent.com/{repo}/HEAD/{path}',('script/' if path.endswith('.py') else 'doc/')+path)) |
| except Exception as e:results.append({'path':path,'error':str(e)}) |
| return name,results |
|
|
| def main(): |
| results=dict(concurrent.futures.ThreadPoolExecutor(6).map(reference,REFS.items())) |
| for path in ['GroundTruth-SparseAnnotations/annotations/train/P01_03.json','GroundTruth-SparseAnnotations/rgb_frames/train/P01/P01_03.zip','EPIC_100_noun_classes_v2.csv','frame_mapping.json']: |
| try:results['VISOR'].append(fetch('VISOR',BASE+path,'data/'+path)) |
| except Exception as e:results['VISOR'].append({'path':path,'error':str(e)}) |
| for name,rows in results.items(): |
| (ROOT/name/'raw/doc/download_manifest.json').write_text(json.dumps(rows,indent=2),encoding='utf-8') |
| print(name,[(r.get('path'),r.get('bytes',r.get('error'))) for r in rows],flush=True) |
|
|
| if __name__=='__main__':main() |
|
|
