84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates. All Rights Reserved
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# pyre-unsafe
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import argparse
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import json
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import shutil
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import subprocess
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import sys
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import tarfile
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from pathlib import Path
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from tqdm import tqdm
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def download_archive(url, dest_dir):
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dest_dir = Path(dest_dir)
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dest_dir.mkdir(parents=True, exist_ok=True)
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archive_path = dest_dir / url.split("/")[-1]
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if not archive_path.exists():
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print(f"Downloading archive to {archive_path}...")
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result = subprocess.run(["wget", "-O", str(archive_path), url])
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if result.returncode != 0:
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print("Download failed.")
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sys.exit(1)
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else:
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print(f"Archive already exists at {archive_path}")
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return archive_path
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def extract_archive(archive_path, dest_dir):
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print(f"Extracting {archive_path} to {dest_dir}...")
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with tarfile.open(archive_path, "r:gz") as tar:
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tar.extractall(path=dest_dir)
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print("Extraction complete.")
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def copy_images(subset_json, untar_dir, output_dir):
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with open(subset_json, "r") as f:
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image_dict = json.load(f)
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output_dir = Path(output_dir)
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output_dir.mkdir(parents=True, exist_ok=True)
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for target_name, rel_path in tqdm(image_dict.items(), "Copying image subset"):
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src = Path(untar_dir) / rel_path
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dst = output_dir / target_name
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if not src.exists():
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print(f"Warning: Source image {src} does not exist, skipping.")
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continue
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shutil.copy2(src, dst)
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print(f"Copied {len(image_dict)} images to {output_dir}")
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def main():
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parser = argparse.ArgumentParser(
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description="Download, extract, and copy subset of iNaturalist images from archive."
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)
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parser.add_argument(
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"--raw_images_folder", help="Path to downloaded and extract the archive"
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)
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parser.add_argument("--processed_images_folder", help="Path to processed images")
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parser.add_argument(
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"--subset-json",
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default="inaturalist_image_subset.json",
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help="Path to iNaturalist images subset",
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)
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parser.add_argument(
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"--archive-url",
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default="https://ml-inat-competition-datasets.s3.amazonaws.com/2017/train_val_images.tar.gz",
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help="URL of the archive to download",
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)
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args = parser.parse_args()
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dest_dir = Path(args.raw_images_folder)
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images_dir = Path(args.processed_images_folder)
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archive_path = download_archive(args.archive_url, dest_dir)
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extract_archive(archive_path, dest_dir)
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untar_dir = dest_dir / "train_val_images"
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copy_images(args.subset_json, untar_dir, images_dir)
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if __name__ == "__main__":
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main()
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