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import argparse
import json
import os
import sys
sys.path.append('.')
from imaginaire.utils.lmdb import create_metadata # noqa: E402
from imaginaire.config import Config # noqa: E402
def parse_args():
r"""Parse user input arguments"""
parser = argparse.ArgumentParser(description='Folder -> LMDB conversion')
parser.add_argument('--data_root', type=str, required=True,
help='Input data location.')
parser.add_argument('--output_root', type=str, default='',
help='Input data location.')
parser.add_argument('--config', type=str, required=True,
help='Config with label info.')
parser.add_argument('--paired', default=False, action='store_true',
help='Is the input data paired?')
parser.add_argument('--input_list', type=str, default='',
help='list of images that will be used.')
args = parser.parse_args()
return args
def main():
r""" Build lmdb for training/testing.
Usage:
python scripts/build_index.py \
--data_root /mnt/bigdata01/datasets/test_image \
--output_root /mnt/bigdata01/datasets/test_image/lmdb_0/ \
--overwrite
"""
args = parse_args()
if args.output_root == '':
args.output_root = args.data_root
cfg = Config(args.config)
all_filenames, extensions = \
create_metadata(
data_root=args.data_root,
cfg=cfg,
paired=args.paired,
input_list=args.input_list)
os.makedirs(args.output_root, exist_ok=True)
if args.paired:
base = args.data_root.split('/')[-1]
new_all_filenames = dict()
for key in all_filenames.keys():
new_all_filenames['{}/{}'.format(base, key)] = all_filenames[key]
all_filenames = new_all_filenames.copy()
# Output list of all filenames.
with open(args.output_root + '/all_filenames.json', 'w') as fout:
json.dump(all_filenames, fout, indent=4)
# Output metadata.
with open(args.output_root + '/metadata.json', 'w') as fout:
json.dump(extensions, fout, indent=4)
if __name__ == "__main__":
main()
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