| """Merge Chrono part directories into one (episodes.jsonl concatenated, per-policy trajectory npz merged). |
| Usage: python merge_chrono_parts.py out_dir part_dir [part_dir ...]. Refuses duplicates.""" |
| import json |
| import sys |
| from pathlib import Path |
|
|
| import numpy as np |
|
|
| out = Path(sys.argv[1]) |
| parts = [Path(p) for p in sys.argv[2:]] |
| (out / 'traj').mkdir(parents=True, exist_ok=False) |
| seen, rows, traj = set(), [], {} |
| for d in parts: |
| for line in open(d / 'episodes.jsonl'): |
| r = json.loads(line) |
| key = (r['policy'], r['goal_id']) |
| if key in seen: |
| raise SystemExit(f'duplicate {key} in {d}') |
| seen.add(key) |
| rows.append(line if line.endswith('\n') else line + '\n') |
| for f in (d / 'traj').glob('*.npz'): |
| traj.setdefault(f.stem, {}).update(dict(np.load(f))) |
| (out / 'episodes.jsonl').write_text(''.join(rows)) |
| for pol, dd in traj.items(): |
| np.savez_compressed(out / 'traj' / f'{pol}.npz', **dd) |
| (out / 'MERGED_FROM.txt').write_text('\n'.join(str(p) for p in parts) + '\n') |
| print(len(rows), 'episodes;', sum(len(v) for v in traj.values()), 'trajectories ->', out) |
|
|
