File size: 1,602 Bytes
5fb1693 6931ada 5fb1693 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #!/usr/bin/env python3
"""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())
|