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import argparse
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import glob
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import os
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def main(args):
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txt_file = open(args.meta_info, 'w')
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img_paths_gt = sorted(glob.glob(os.path.join(args.input[0], '*')))
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img_paths_lq = sorted(glob.glob(os.path.join(args.input[1], '*')))
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assert len(img_paths_gt) == len(img_paths_lq), ('GT folder and LQ folder should have the same length, but got '
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f'{len(img_paths_gt)} and {len(img_paths_lq)}.')
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for img_path_gt, img_path_lq in zip(img_paths_gt, img_paths_lq):
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img_name_gt = os.path.relpath(img_path_gt, args.root[0])
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img_name_lq = os.path.relpath(img_path_lq, args.root[1])
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print(f'{img_name_gt}, {img_name_lq}')
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txt_file.write(f'{img_name_gt}, {img_name_lq}\n')
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if __name__ == '__main__':
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"""This script is used to generate meta info (txt file) for paired images.
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"""
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--input',
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nargs='+',
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default=['datasets/DF2K/DIV2K_train_HR_sub', 'datasets/DF2K/DIV2K_train_LR_bicubic_X4_sub'],
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help='Input folder, should be [gt_folder, lq_folder]')
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parser.add_argument('--root', nargs='+', default=[None, None], help='Folder root, will use the ')
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parser.add_argument(
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'--meta_info',
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type=str,
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default='datasets/DF2K/meta_info/meta_info_DIV2K_sub_pair.txt',
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help='txt path for meta info')
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args = parser.parse_args()
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assert len(args.input) == 2, 'Input folder should have two elements: gt folder and lq folder'
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assert len(args.root) == 2, 'Root path should have two elements: root for gt folder and lq folder'
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os.makedirs(os.path.dirname(args.meta_info), exist_ok=True)
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for i in range(2):
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if args.input[i].endswith('/'):
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args.input[i] = args.input[i][:-1]
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if args.root[i] is None:
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args.root[i] = os.path.dirname(args.input[i])
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main(args)
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