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Migrate HOT3D, OakInk-v1, OakInk-v2 and FreiHAND to shared-v1.1 (#4)
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"""Pinned OakInk-v1/v2 storage adapters; no annotation/geometry recomputation.
Only actual inventoried fields are supported. HOT3D's already-reviewed byte,
path and cached-leaf helpers are reused without modifying its frozen adapter.
"""
import copy
import json
import re
from pathlib import Path, PurePosixPath
import torch
from hot3d_bundle import (PROFILE, RELEASE, VERSION, Reader, at, check_field,
exact, safe_path)
DATASET_IDS = {'OakInk-v1': 'OakInk-v1', 'OakInk-v2': 'OakInk2'}
STORAGE_KEYS = {'data_ref', 'valid_ref', 'data_key', 'valid_key', 'storage', 'valid_storage'}
def fields(meta):
if meta['dataset_id'] not in DATASET_IDS.values() or meta['hand_slots'] != ['left', 'right']:
raise ValueError('Wrong OakInk dataset or hand-slot order')
if meta['camera']['model'] != 'pinhole':
raise ValueError('Unreviewed OakInk camera model')
fixed = {
'intrinsic': ('camera/pinhole/v1', 'camera/camera.pt', 'intrinsic', 'camera/intrinsic.pt'),
'extrinsic': ('transform/se3/v1', 'camera/camera.pt', 'extrinsic', 'camera/extrinsic.pt'),
'mano': ('mano/axis_angle61/v1', 'annotation/mano/mano.pt', 'motion', 'annotation/mano/motion.pt'),
'keypoints_xyz': ('keypoints/xyz/v1', 'annotation/keypoints/keypoints.pt', 'xyz', 'annotation/keypoints/xyz.pt'),
'keypoints_uv': ('keypoints/uv/v1', 'annotation/keypoints/keypoints.pt', 'uv', 'annotation/keypoints/uv.pt'),
}
result = []
for name, c in meta['components'].items():
if not c.get('available'):
continue
if c.get('attributes'):
raise ValueError(f'Unreviewed attributes: {name}')
if name == 'rgb' and c['schema_id'] == 'rgb/uint8/v1':
continue
if name == 'object_mesh' and c['schema_id'] == 'mesh/obj/v1':
continue
if name in fixed:
schema, bundle, key, old = fixed[name]
elif c['schema_id'] == 'object/rigid/v1':
match = re.fullmatch(r'annotation/object/([^/]+)/(pose|object)\.pt', c['data_ref'])
if not match:
raise ValueError('Bad object pose path')
oid = match.group(1)
safe_path('/view', 'annotation/object/' + oid)
if name not in {'object_pose', f'object_{oid}_pose'} or c.get('entity_id', oid) != oid:
raise ValueError('Object component identity/path mismatch')
schema, bundle, key, old = c['schema_id'], f'annotation/object/{oid}/object.pt', 'pose', f'annotation/object/{oid}/pose.pt'
else:
raise ValueError(f'Unreviewed OakInk component: {name}')
if schema != c['schema_id']:
raise ValueError(f'Unregistered schema for {name}')
result.append({'locator': ['components', name], 'schema': schema,
'bundle': bundle, 'entry': key, 'old': old})
pairs = [(f['bundle'], f['entry']) for f in result]
if len(pairs) != len(set(pairs)):
raise ValueError('Duplicate bundle entry')
return result
def new_metadata(old):
if old['schema_version'] != 'hand-warehouse/1.0' or old['release_id'] != 'shared-v1.0':
raise ValueError('Source must be shared-v1.0')
meta = copy.deepcopy(old)
for f in fields(old):
c = at(old, f['locator'])
expected_valid = str(PurePosixPath(f['old']).with_stem(PurePosixPath(f['old']).stem + '_valid'))
if c['data_ref'] != f['old'] or c.get('valid_ref') != expected_valid:
raise ValueError('Unexpected source numerical reference')
if 'data_key' in c or 'valid_key' in c:
raise ValueError('Already bundled')
at(meta, f['locator']).update(data_ref=f['bundle'], valid_ref=f['bundle'],
data_key=[f['entry'], 'data'], valid_key=[f['entry'], 'valid'],
storage={'profile': PROFILE}, valid_storage={'profile': PROFILE})
meta.update(schema_version=VERSION, release_id=RELEASE)
return meta
def validate_field(data, valid, field, component, total, registry):
rule = registry['components'][field['schema']]
required = set(rule.get('required_metadata', [])) - STORAGE_KEYS
required |= {'axes', 'valid_axes', 'provenance', 'source_locator'}
if not required.issubset(component):
raise ValueError(f'Missing field metadata: {sorted(required-set(component))}')
if field['schema'].startswith('keypoints/') and component['keypoint_schema'] != 'mano21/v1':
raise ValueError('Unreviewed keypoint ordering')
for key in ['unit', 'angle_unit', 'coordinate_frame']:
if key in rule and component.get(key) != rule[key]:
raise ValueError(f'Wrong {key} for {field["schema"]}')
if field['entry'] == 'extrinsic' and component['convention'] != 'T_camera_from_world':
raise ValueError('Wrong camera transform direction')
if field['entry'] == 'pose' and component['convention'] != 'T_camera_from_object':
raise ValueError('Wrong object transform direction')
check_field(data, valid, field, component, total, registry)
def frame_audit(view, meta):
count = 0; splits = {}
with safe_path(view, meta['sampling']['frames_ref']).open() as handle:
for line in handle:
frame = json.loads(line)
if frame['frame_index'] != count or not frame.get('source_locator'):
raise ValueError('Broken frame mapping')
member = frame['source_locator']['member']
if meta['dataset_id'] == 'OakInk2':
matches_camera = f'/{meta["camera_id"]}/' in member
else:
matches_camera = PurePosixPath(member).name.startswith(meta['camera_id'] + '_')
if not matches_camera:
raise ValueError('Frame belongs to another camera')
split = frame.get('split', meta['split'])
splits[split] = splits.get(split, 0) + 1
count += 1
if count != meta['num_frames']:
raise ValueError('Frame count mismatch')
return splits
def audit_view(view, registry, source=None, require_media=False, check_frames=True):
reader = Reader(view); meta = reader.meta
required = set(registry['view_metadata']['required_fields'])
if not required.issubset(meta) or meta['view_type'] not in registry['view_metadata']['view_type_values']:
raise ValueError('Incomplete view metadata')
if source is not None:
before = json.loads((Path(source)/'metainfo.json').read_text())
if meta != new_metadata(before):
raise ValueError('Metadata changed beyond version/storage')
grouping, rows = {}, []
for field in fields(meta):
grouping.setdefault(field['bundle'], set()).add(field['entry'])
data, valid = reader.numeric(field)
validate_field(data, valid, field, at(meta, field['locator']), meta['num_frames'], registry)
if source is not None:
old = at(before, field['locator'])
for key, tensor in [('data_ref', data), ('valid_ref', valid)]:
original = torch.load(safe_path(source, old[key]), map_location='cpu', weights_only=True)
if not exact(original, tensor):
raise ValueError(f'Changed tensor bytes: {field["locator"]}/{key}')
rows.append({'field': '/'.join(field['locator']), 'bundle': field['bundle'],
'shape': list(data.shape), 'valid_shape': list(valid.shape),
'valid_true': int(valid.sum()), 'valid_total': valid.numel()})
for ref, entries in grouping.items():
if type(reader.cache[ref]) is not dict or set(reader.cache[ref]) != entries:
raise ValueError('Extra/missing bundle fields')
missing = []
for name, c in meta['components'].items():
if not c.get('available') or c['schema_id'] not in {'rgb/uint8/v1', 'mesh/obj/v1'}:
continue
if 'data_key' in c or 'valid_key' in c:
raise ValueError('Media/mesh must not be bundled')
if not safe_path(view, c['data_ref']).is_file():
missing.append(c['data_ref'])
if 'valid_ref' in c:
tensor = reader.load(c['valid_ref'])
shape = (meta['num_frames'],) if name == 'rgb' else ()
if not isinstance(tensor, torch.Tensor) or tensor.dtype != torch.bool or tuple(tensor.shape) != shape:
raise ValueError('Wrong standalone validity')
if source is not None:
old_valid = torch.load(safe_path(source, before['components'][name]['valid_ref']), map_location='cpu', weights_only=True)
if not exact(old_valid, tensor):
raise ValueError('Standalone validity changed')
elif type(c.get('valid')) is not bool:
raise ValueError('Missing asset validity')
# v2 assets are registered in object metainfo, not top-level components.
for field in fields(meta):
if field['entry'] != 'pose':
continue
object_dir = PurePosixPath(field['bundle']).parent
object_meta = json.loads(safe_path(view, str(object_dir/'metainfo.json')).read_text())
if source is not None:
ref=str(object_dir/'metainfo.json')
if safe_path(view,ref).read_bytes()!=safe_path(source,ref).read_bytes():
raise ValueError('Object metadata changed')
if object_meta.get('object_id', object_meta.get('entity_id')) != object_dir.name:
raise ValueError('Object identity is not registered')
for key in ['mesh_ref']:
if key in object_meta and not safe_path(view, object_meta[key]).is_file():
missing.append(object_meta[key])
if require_media and missing:
raise ValueError(f'Incomplete view: {len(set(missing))} missing media/asset references')
if check_frames:
if source is not None:
if safe_path(view,meta['sampling']['frames_ref']).read_bytes()!=safe_path(source,before['sampling']['frames_ref']).read_bytes():
raise ValueError('Frame mapping changed')
frame_splits=frame_audit(view, meta)
else:
frame_splits=None
return {'sequence': meta['sequence_id'], 'camera': meta['camera_id'], 'frames': meta['num_frames'],
'split': meta['split'], 'view_type': meta['view_type'], 'fields': rows,
'bundles': len(grouping), 'missing_media_asset_refs': sorted(set(missing)),
'frame_splits':frame_splits,
'numerical_bytes_exact': source is not None}