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rUv
4ec8a86f5d
Preserve native source precision and exact pooled controls under the original training and development split. Add an 18-configuration resolution ablation, input provenance and artifact tests, and measured results retaining the existing ACF model. Document unresolved semantic labels and confirmation limits.
255 lines
13 KiB
Python
255 lines
13 KiB
Python
"""Pinned native-resolution intake; preserve the original development population.
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Only previously admitted train/validation MAT payloads are decoded. The original
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manifest retains quarantine authority. No final test or excluded capture is
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reassigned. Raw arrays and manifests remain outside Git.
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"""
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from __future__ import annotations
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import argparse
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import hashlib
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import io
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import json
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from pathlib import Path
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import zipfile
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import numpy as np
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from . import espfi
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from .espfi_motion import _read
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SPLITS = ('train', 'validation')
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DTYPES = {np.dtype(t).str for t in ('float32', 'float64', 'int8', 'uint8',
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'int16', 'uint16', 'int32', 'uint32', 'int64', 'uint64')}
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def sha(data):
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return hashlib.sha256(data).hexdigest()
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def _parent_records(meta):
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if (meta.get('schema_version') != 1 or meta.get('classes') != espfi.CLASSES
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or meta.get('source_revision') != espfi.REVISION
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or meta.get('archive_sha256') != espfi.ARCHIVE_SHA256
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or meta.get('source_url') != espfi.SOURCE_URL
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or meta.get('license') != 'CC-BY-4.0'
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or meta.get('split_policy') != 'joint_room_subject_intersection_v1'
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or meta.get('temporal_mean_pool') != 5 or meta.get('window_samples') != 190):
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raise ValueError('Invalid pooled parent provenance')
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records = meta.get('records', [])
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expected = {(r, p, a, t) for r in range(1, 5) for p in range(1, 9)
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for a in range(1, 8) for t in range(1, 11)}
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lookup = {tuple(r['identity']): r for r in records}
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if len(records) != 2240 or set(lookup) != expected:
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raise ValueError('Incomplete parent population')
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counts = {}
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for record in records:
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for key in ('signal_sha256', 'sha256'):
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if not isinstance(record.get(key), str) or not espfi.re.fullmatch('[0-9a-f]{64}', record[key]):
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raise ValueError('Invalid parent digest')
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h = record['signal_sha256']
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counts[h] = counts.get(h, 0) + 1
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for ident, record in lookup.items():
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if (espfi.parse_identity(record['path']) != ident
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or record['split'] != (None if counts[record['signal_sha256']] > 1
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else espfi.split_identity(ident))):
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raise ValueError('Invalid parent quarantine or split')
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if meta.get('counts') != {s: sum(r['split'] == s for r in records)
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for s in (*SPLITS, 'test')}:
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raise ValueError('Invalid parent counts')
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return lookup
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def pool_native(raw, source_dtype):
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"""Reproduce original MAT dtype, orientation, averaging and final cast."""
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if source_dtype not in DTYPES or raw.shape != (52, 950):
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raise ValueError('Unsupported native schema')
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source = raw.T.astype(np.dtype(source_dtype))
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return np.ascontiguousarray(source.reshape(190, 5, 52).mean(1).T, dtype=np.float32)
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def decode_native(content):
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from scipy.io import loadmat
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if not 0 < len(content) <= espfi.MAX_MEMBER:
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raise ValueError('Invalid MAT size')
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x = loadmat(io.BytesIO(content), variable_names=['CSIamp']).get('CSIamp')
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if (x is None or x.dtype.str not in DTYPES or x.shape not in ((950, 52), (52, 950))
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or not np.isfinite(x).all() or (x < 0).any() or (x > 1e12).any()):
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raise ValueError('Invalid native amplitude')
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dtype = x.dtype.str
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if x.shape == (950, 52):
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x = x.T
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raw = np.ascontiguousarray(x, dtype=np.float64)
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# Require lossless conversion, including supported integer source types.
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if not np.array_equal(raw.astype(x.dtype), x):
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raise ValueError('Native conversion loses information')
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pooled = espfi.decode_amplitude(content, pool=5)
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if not np.array_equal(pool_native(raw, dtype), pooled):
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raise ValueError('Original pooling does not reproduce exactly')
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return raw, pooled, dtype
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def prepare(archive, parent_manifest, output):
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import libarchive
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archive, output = Path(archive), Path(output)
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if (archive.is_symlink() or not archive.is_file()
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or archive.stat().st_size != espfi.ARCHIVE_BYTES
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or espfi.digest(archive) != espfi.ARCHIVE_SHA256):
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raise ValueError('Archive differs from pinned source')
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parent_bytes = _read(parent_manifest, 3_000_000)
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parent = json.loads(parent_bytes)
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lookup = _parent_records(parent)
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prior, checked = espfi.load_development(parent_manifest)
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if checked['manifest_sha256'] != sha(parent_bytes):
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raise ValueError('Parent changed during intake')
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admitted = {i: r for i, r in lookup.items() if r['split'] in SPLITS}
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expected_pooled = {tuple(i): x for s in SPLITS
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for i, x in zip(prior[s]['identity'], prior[s]['x'])}
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output.mkdir(parents=True, exist_ok=False)
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def status(value):
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(output / 'status.json').write_text(json.dumps({'status': value, 'promotionAuthorized': False}))
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status('running')
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try:
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seen, found, rows, records = set(), set(), {s: [] for s in SPLITS}, []
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with libarchive.file_reader(str(archive)) as entries:
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for entry in entries:
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if not entry.pathname.endswith('.mat'):
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continue
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ident = espfi.parse_identity(entry.pathname)
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if (ident in seen or not entry.isfile or not 0 < entry.size <= espfi.MAX_MEMBER
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or entry.pathname != lookup[ident]['path']):
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raise ValueError('Unexpected source member')
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seen.add(ident)
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if ident not in admitted:
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continue # No get_blocks/loadmat for test or excluded records.
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content = bytearray()
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for block in entry.get_blocks():
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content.extend(block)
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if len(content) > espfi.MAX_MEMBER:
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raise ValueError('Expanded member exceeds bound')
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record = admitted[ident]
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if sha(content) != record['sha256']:
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raise ValueError('Source MAT digest mismatch')
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raw, pooled, dtype = decode_native(content)
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if (sha(pooled.tobytes()) != record['signal_sha256']
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or not np.array_equal(pooled, expected_pooled[ident])):
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raise ValueError('Pooled control differs from parent')
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found.add(ident)
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rows[record['split']].append((ident, raw, pooled))
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records.append({'identity': list(ident), 'split': record['split'],
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'source_dtype': dtype, 'source_sha256': record['sha256'],
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'raw_sha256': sha(raw.tobytes()),
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'pooled_sha256': record['signal_sha256']})
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if set(lookup) != seen or set(admitted) != found:
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raise ValueError('Incomplete source population')
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arrays = {}
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for split in SPLITS:
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samples = sorted(rows[split], key=lambda row: row[0])
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arrays[split + '_x'] = np.stack([x for _, x, _ in samples])
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arrays[split + '_pooled'] = np.stack([x for _, _, x in samples])
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arrays[split + '_identity'] = np.array([i for i, _, _ in samples], dtype=np.int64)
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arrays[split + '_y'] = arrays[split + '_identity'][:, 2] - 1
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target = output / 'amplitudes.npz'
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np.savez_compressed(target, **arrays)
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(output / 'parent_manifest.json').write_bytes(parent_bytes)
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meta = {'schema_version': 1, 'task': 'espfi_native_resolution',
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'source_revision': espfi.REVISION, 'archive_sha256': espfi.ARCHIVE_SHA256,
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'classes': espfi.CLASSES, 'evidence': 'real', 'license': 'CC-BY-4.0',
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'parent_manifest_sha256': sha(parent_bytes), 'pooled_exact': True,
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'raw_dtype': 'float64', 'test_payload_decoded': False,
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'npz': target.name, 'npz_sha256': espfi.digest(target),
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'counts': {s: len(rows[s]) for s in SPLITS},
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'records': sorted(records, key=lambda row: row['identity'])}
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(output / 'manifest.json').write_text(json.dumps(meta, indent=2) + '\n')
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status('complete')
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return output / 'manifest.json'
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except Exception:
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status('failed')
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raise
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def load_resolution(manifest):
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path = Path(manifest)
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data = _read(path, 3_000_000)
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meta = json.loads(data)
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lifecycle = json.loads(_read(path.parent / 'status.json', 65536))
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if (lifecycle != {'status': 'complete', 'promotionAuthorized': False}
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or meta.get('schema_version') != 1 or meta.get('task') != 'espfi_native_resolution'
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or meta.get('source_revision') != espfi.REVISION
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or meta.get('archive_sha256') != espfi.ARCHIVE_SHA256
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or meta.get('classes') != espfi.CLASSES or meta.get('license') != 'CC-BY-4.0'
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or meta.get('evidence') != 'real' or meta.get('raw_dtype') != 'float64'
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or meta.get('pooled_exact') is not True or meta.get('test_payload_decoded') is not False
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or meta.get('npz') != 'amplitudes.npz'):
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raise ValueError('Invalid completed resolution intake')
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parent = _read(path.parent / 'parent_manifest.json', 3_000_000)
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if sha(parent) != meta.get('parent_manifest_sha256'):
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raise ValueError('Parent manifest digest mismatch')
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lookup = _parent_records(json.loads(parent))
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admitted = {i: r for i, r in lookup.items() if r['split'] in SPLITS}
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records = meta.get('records', [])
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rows = {tuple(r['identity']): r for r in records}
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if len(records) != len(admitted) or set(rows) != set(admitted):
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raise ValueError('Resolution population differs from parent')
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counts = {s: sum(r['split'] == s for r in admitted.values()) for s in SPLITS}
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if meta.get('counts') != counts:
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raise ValueError('Resolution counts differ')
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for ident, r in rows.items():
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original = admitted[ident]
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if (r['split'] != original['split'] or r['source_sha256'] != original['sha256']
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or r['pooled_sha256'] != original['signal_sha256'] or r['source_dtype'] not in DTYPES):
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raise ValueError('Resolution record binding mismatch')
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payload = _read(path.parent / 'amplitudes.npz', espfi.MAX_NPZ)
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if sha(payload) != meta.get('npz_sha256'):
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raise ValueError('Resolution bundle digest mismatch')
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with zipfile.ZipFile(io.BytesIO(payload)) as z:
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expected = {s + '_' + k + '.npy': (shape, dtype) for s in SPLITS for k, shape, dtype in
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[('x', (counts[s], 52, 950), np.dtype('float64')),
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('pooled', (counts[s], 52, 190), np.dtype('float32')),
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('y', (counts[s],), np.dtype('int64')),
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('identity', (counts[s], 4), np.dtype('int64'))]}
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infos = z.infolist()
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if (len(infos) != 8 or {i.filename for i in infos} != set(expected)
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or sum(i.file_size for i in infos) > espfi.MAX_NPZ):
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raise ValueError('Unexpected resolution array population')
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for info in infos:
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with z.open(info) as f:
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version = np.lib.format.read_magic(f)
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if version not in ((1, 0), (2, 0)):
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raise ValueError('Unsupported numpy version')
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reader = (np.lib.format.read_array_header_1_0 if version == (1, 0)
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else np.lib.format.read_array_header_2_0)
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shape, fortran, dtype = reader(f)
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if ((shape, dtype) != expected[info.filename] or fortran
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or f.tell() + int(np.prod(shape)) * dtype.itemsize != info.file_size):
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raise ValueError('Unexpected resolution array header')
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parts, seen = {}, set()
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with np.load(io.BytesIO(payload), allow_pickle=False) as npz:
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for split in SPLITS:
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part = {key: npz[split + '_' + key] for key in ('x', 'pooled', 'y', 'identity')}
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for raw, pooled, label, identity in zip(part['x'], part['pooled'], part['y'], part['identity']):
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ident = tuple(map(int, identity))
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r = rows.get(ident)
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if (r is None or ident in seen or r['split'] != split or label != ident[2] - 1
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or not np.isfinite(raw).all() or (raw < 0).any() or (raw > 1e12).any()
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or sha(raw.tobytes()) != r['raw_sha256']
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or sha(pooled.tobytes()) != r['pooled_sha256']
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or not np.array_equal(pool_native(raw, r['source_dtype']), pooled)):
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raise ValueError('Resolution array provenance mismatch')
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seen.add(ident)
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parts[split] = part
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if seen != set(admitted):
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raise ValueError('Incomplete loaded resolution population')
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meta['manifest_sha256'] = sha(data)
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return parts, meta
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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for arg in ('archive', 'parent-manifest', 'output'):
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parser.add_argument('--' + arg, required=True)
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args = parser.parse_args()
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print(prepare(args.archive, args.parent_manifest, args.output))
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if __name__ == '__main__':
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main()
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