--- a +++ b/tools/convert_datasets/loveda.py @@ -0,0 +1,73 @@ +# Copyright (c) OpenMMLab. All rights reserved. +import argparse +import os +import os.path as osp +import shutil +import tempfile +import zipfile + +import mmcv + + +def parse_args(): + parser = argparse.ArgumentParser( + description='Convert LoveDA dataset to mmsegmentation format') + parser.add_argument('dataset_path', help='LoveDA folder path') + parser.add_argument('--tmp_dir', help='path of the temporary directory') + parser.add_argument('-o', '--out_dir', help='output path') + args = parser.parse_args() + return args + + +def main(): + args = parse_args() + dataset_path = args.dataset_path + if args.out_dir is None: + out_dir = osp.join('data', 'loveDA') + else: + out_dir = args.out_dir + + print('Making directories...') + mmcv.mkdir_or_exist(out_dir) + mmcv.mkdir_or_exist(osp.join(out_dir, 'img_dir')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'img_dir', 'train')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'img_dir', 'val')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'img_dir', 'test')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'ann_dir')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'ann_dir', 'train')) + mmcv.mkdir_or_exist(osp.join(out_dir, 'ann_dir', 'val')) + + assert 'Train.zip' in os.listdir(dataset_path), \ + 'Train.zip is not in {}'.format(dataset_path) + assert 'Val.zip' in os.listdir(dataset_path), \ + 'Val.zip is not in {}'.format(dataset_path) + assert 'Test.zip' in os.listdir(dataset_path), \ + 'Test.zip is not in {}'.format(dataset_path) + + with tempfile.TemporaryDirectory(dir=args.tmp_dir) as tmp_dir: + for dataset in ['Train', 'Val', 'Test']: + zip_file = zipfile.ZipFile( + os.path.join(dataset_path, dataset + '.zip')) + zip_file.extractall(tmp_dir) + data_type = dataset.lower() + for location in ['Rural', 'Urban']: + for image_type in ['images_png', 'masks_png']: + if image_type == 'images_png': + dst = osp.join(out_dir, 'img_dir', data_type) + else: + dst = osp.join(out_dir, 'ann_dir', data_type) + if dataset == 'Test' and image_type == 'masks_png': + continue + else: + src_dir = osp.join(tmp_dir, dataset, location, + image_type) + src_lst = os.listdir(src_dir) + for file in src_lst: + shutil.move(osp.join(src_dir, file), dst) + print('Removing the temporary files...') + + print('Done!') + + +if __name__ == '__main__': + main()