Datasets:
Delete sample_swim.py
Browse files- sample_swim.py +0 -83
sample_swim.py
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import argparse
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from io import BytesIO
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from pathlib import Path
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from huggingface_hub import list_repo_tree, hf_hub_url
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from huggingface_hub.hf_api import RepoFile
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import fsspec
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from PIL import Image
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from tqdm import tqdm
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def sample_dataset(
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repo_id: str,
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image_subdir: str,
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label_subdir: str,
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output_dir: str,
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max_files: int = 500,
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):
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image_files = list_repo_tree(
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repo_id=repo_id,
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path_in_repo=image_subdir,
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repo_type="dataset",
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recursive=True
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)
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count = 0
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for img_file in tqdm(image_files, desc="Downloading samples"):
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if not isinstance(img_file, RepoFile) or not img_file.path.lower().endswith((".png")):
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continue
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# Relative path after the image_subdir (e.g., img_0001.png)
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rel_path = Path(img_file.path).relative_to(image_subdir)
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label_path = f"{label_subdir}/{rel_path.with_suffix('.txt')}" # Change extension to .txt
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image_url = hf_hub_url(repo_id=repo_id, filename=img_file.path, repo_type="dataset")
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label_url = hf_hub_url(repo_id=repo_id, filename=label_path, repo_type="dataset")
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local_image_path = Path(output_dir) / img_file.path
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local_label_path = Path(output_dir) / label_path
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local_image_path.parent.mkdir(parents=True, exist_ok=True)
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local_label_path.parent.mkdir(parents=True, exist_ok=True)
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try:
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# Download and save the image
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with fsspec.open(image_url) as f:
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image = Image.open(BytesIO(f.read()))
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image.save(local_image_path)
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# Download and save the corresponding .txt label
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with fsspec.open(label_url) as f:
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txt_content = f.read()
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with open(local_label_path, "wb") as out_f:
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out_f.write(txt_content)
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# print(f"[{count+1}] {rel_path} and {rel_path.with_suffix('.txt')}")
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count += 1
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except Exception as e:
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print(f" Failed {rel_path}: {e}")
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if count >= max_files:
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break
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print(f" Downloaded {count} image/txt pairs.")
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print(f" Saved under: {Path(output_dir).resolve()}")
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def parse_args():
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parser = argparse.ArgumentParser(description="Stream and sample paired images + txt labels from a Hugging Face folder-structured dataset.")
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parser.add_argument("--repo-id", required=False, default = "JeffreyJsam/SWiM-SpacecraftWithMasks",help="Hugging Face dataset repo ID.")
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parser.add_argument("--image-subdir", required=False, default = "Baseline/images/val/000", help="Subdirectory path for images.")
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parser.add_argument("--label-subdir", required=False, default="Baseline/labels/val/000", help="Subdirectory path for txt masks.")
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parser.add_argument("--output-dir", default="./Sampled-SWiM", help="Where to save sampled data.")
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parser.add_argument("--count", type=int, default=500, help="How many samples to download.")
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return parser.parse_args()
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if __name__ == "__main__":
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args = parse_args()
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sample_dataset(
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repo_id=args.repo_id,
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image_subdir=args.image_subdir,
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label_subdir=args.label_subdir,
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output_dir=args.output_dir,
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max_files=args.count,
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)
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