| |
| """Extract the pose/caption pair for one clip from a release tar shard.""" |
|
|
| from __future__ import annotations |
|
|
| import argparse |
| import csv |
| import shutil |
| import tarfile |
| from pathlib import Path |
|
|
|
|
| def main() -> int: |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument("manifest", type=Path) |
| parser.add_argument("--repo-root", type=Path, required=True) |
| parser.add_argument("--clip-id", required=True) |
| parser.add_argument("--output-dir", type=Path, required=True) |
| args = parser.parse_args() |
|
|
| matches = [] |
| with args.manifest.open(encoding="utf-8-sig", newline="") as handle: |
| for row in csv.DictReader(handle): |
| if row["clip_id"] == args.clip_id: |
| matches.append(row) |
| if len(matches) != 1: |
| raise RuntimeError(f"expected one row for {args.clip_id!r}, got {len(matches)}") |
| row = matches[0] |
| shard = args.repo_root / row["annotation_shard"] |
| args.output_dir.mkdir(parents=True, exist_ok=True) |
| with tarfile.open(shard, "r") as archive: |
| for column in ("pose_path", "caption_path"): |
| member_name = row[column].split("::", 1)[1] |
| source = archive.extractfile(member_name) |
| if source is None: |
| raise RuntimeError(f"missing {member_name!r} in {shard}") |
| destination = args.output_dir / Path(member_name).name |
| with destination.open("wb") as handle: |
| shutil.copyfileobj(source, handle) |
| print(destination) |
| return 0 |
|
|
|
|
| if __name__ == "__main__": |
| raise SystemExit(main()) |
|
|
