File size: 1,912 Bytes
0a4deb9 | 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #!/usr/bin/env python3
"""
Download LVBench videos from Hugging Face (lmms-lab/LVBench).
Downloads chunked zip files and extracts them.
Usage:
python download_lvbench.py
python download_lvbench.py --output-dir /path/to/lvbench
"""
from __future__ import annotations
import argparse
import zipfile
from pathlib import Path
from huggingface_hub import hf_hub_download
REPO_ID = "lmms-lab/LVBench"
DEFAULT_OUTPUT = Path("/opt/dlami/nvme/lvbench")
VIDEO_ZIPS = [f"video_chunks/videos_chunk_{i:03d}.zip" for i in range(1, 15)]
def parse_args() -> argparse.Namespace:
p = argparse.ArgumentParser(description="Download LVBench from Hugging Face.")
p.add_argument("--output-dir", type=Path, default=DEFAULT_OUTPUT)
return p.parse_args()
def download_and_extract(repo_file: str, extract_to: Path, label: str) -> None:
extract_to.mkdir(parents=True, exist_ok=True)
print(f" Downloading {label}: {repo_file} ...")
local_zip = hf_hub_download(
repo_id=REPO_ID, filename=repo_file, repo_type="dataset",
)
print(f" Extracting to {extract_to} ...")
with zipfile.ZipFile(local_zip, "r") as zf:
zf.extractall(extract_to)
print(f" Done: {repo_file}")
def main() -> None:
args = parse_args()
out_dir = args.output_dir
existing = sum(1 for f in out_dir.iterdir() if f.suffix == ".mp4") if out_dir.exists() else 0
if existing >= 100:
print(f"[skip] Already have {existing} videos in {out_dir}")
else:
print(f"Downloading {len(VIDEO_ZIPS)} video chunks...")
for i, zf in enumerate(VIDEO_ZIPS, 1):
download_and_extract(zf, out_dir, f"chunk {i}/{len(VIDEO_ZIPS)}")
video_count = sum(1 for f in out_dir.iterdir() if f.suffix == ".mp4") if out_dir.exists() else 0
print(f"\nDone. Total videos on disk: {video_count}")
print(f" Videos: {out_dir}")
if __name__ == "__main__":
main()
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