57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
"""Prepare SBU Shadow datasets"""
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import os
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import sys
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import argparse
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import zipfile
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# TODO: optim code
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cur_path = os.path.abspath(os.path.dirname(__file__))
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root_path = os.path.split(os.path.split(os.path.split(cur_path)[0])[0])[0]
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sys.path.append(root_path)
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from core.utils import download, makedirs
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_TARGET_DIR = os.path.expanduser('~/.torch/datasets/sbu')
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def parse_args():
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parser = argparse.ArgumentParser(
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description='Initialize SBU Shadow dataset.',
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epilog='Example: python sbu_shadow.py --download-dir ~/SBU-shadow',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument('--download-dir', type=str, default=None, help='dataset directory on disk')
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parser.add_argument('--no-download', action='store_true', help='disable automatic download if set')
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parser.add_argument('--overwrite', action='store_true',
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help='overwrite downloaded files if set, in case they are corrupted')
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args = parser.parse_args()
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return args
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#####################################################################################
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# Download and extract SBU shadow datasets into ``path``
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def download_sbu(path, overwrite=False):
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_DOWNLOAD_URLS = [
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('http://www3.cs.stonybrook.edu/~cvl/content/datasets/shadow_db/SBU-shadow.zip'),
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]
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download_dir = os.path.join(path, 'downloads')
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makedirs(download_dir)
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for url in _DOWNLOAD_URLS:
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filename = download(url, path=path, overwrite=overwrite)
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# extract
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with zipfile.ZipFile(filename, "r") as zf:
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zf.extractall(path=path)
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print("Extracted", filename)
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if __name__ == '__main__':
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args = parse_args()
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makedirs(os.path.expanduser('~/.torch/datasets'))
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if args.download_dir is not None:
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if os.path.isdir(_TARGET_DIR):
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os.remove(_TARGET_DIR)
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# make symlink
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os.symlink(args.download_dir, _TARGET_DIR)
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else:
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download_sbu(_TARGET_DIR, overwrite=False)
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