| |
| """Check the local NanoJev dataset package using only Python's standard library.""" |
| import argparse |
| from collections import Counter |
| import hashlib |
| import json |
| from pathlib import Path |
|
|
|
|
| def read_rows(path): |
| return [json.loads(line) for line in path.read_text().splitlines() if line.strip()] |
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|
|
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--root', type=Path, default=Path(__file__).resolve().parent) |
| args = parser.parse_args() |
| manifest = json.loads((args.root / 'manifest.json').read_text()) |
| for relative, info in manifest['files'].items(): |
| path = args.root / relative |
| if hashlib.sha256(path.read_bytes()).hexdigest() != info['sha256']: |
| raise ValueError(f'File hash mismatch: {relative}') |
| rows = read_rows(path) |
| if len(rows) != info['records']: |
| raise ValueError(f'Record count mismatch: {relative}') |
| if 'questions' in info and sum(len(row['questions']) for row in rows) != info['questions']: |
| raise ValueError(f'Question count mismatch: {relative}') |
| for stage, info in manifest['stages'].items(): |
| full = read_rows(args.root / stage / 'all.jsonl') |
| if len({row['id'] for row in full}) != len(full): |
| raise ValueError(f'Duplicate record IDs: {stage}') |
| source_splits = {} |
| for row in full: |
| group = row.get('metadata', {}).get('source_group_id') |
| if group is not None and source_splits.setdefault(group, row['split']) != row['split']: |
| raise ValueError(f'A source group crosses splits: {stage}') |
| if Counter(row['split'] for row in full) != {s: c['records'] for s, c in info['counts'].items()}: |
| raise ValueError(f'Split counts mismatch: {stage}') |
| for split in info['counts']: |
| actual = read_rows(args.root / stage / (split + '.jsonl')) |
| expected = [row for row in full if row['split'] == split] |
| if actual != expected: |
| raise ValueError(f'Split row values or order changed: {stage}/{split}') |
| print(json.dumps({'complete': True, 'data_files_checked': len(manifest['files']), |
| 'stages': list(manifest['stages']), 'hashes_rows_and_split_order_verified': True})) |
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|
|
| if __name__ == '__main__': |
| main() |
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|
