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import os
import json
import argparse
def main():
parser = argparse.ArgumentParser(
description="Generate metadata.jsonl for DDPD dataset"
)
parser.add_argument(
"--train_dir", default="dd_dp_dataset_png/train_c", help="Train directory of the dataset"
)
parser.add_argument(
"--val_dir", default="dd_dp_dataset_png/val_c", help="Validation directory of the dataset"
)
parser.add_argument(
"--test_dir", default="dd_dp_dataset_png/test_c", help="Test directory of the dataset"
)
parser.add_argument(
"--source_dir_name", default="source", help="Source directory name of the dataset"
)
parser.add_argument(
"--target_dir_name", default="target", help="Target directory name of the dataset"
)
parser.add_argument(
"--output_dir",
default="config/combined",
help="Output directory",
)
args = parser.parse_args()
train_dir = args.train_dir
val_dir = args.val_dir
test_dir = args.test_dir
output_dir = args.output_dir
source_dir_name = args.source_dir_name
target_dir_name = args.target_dir_name
# Ensure output directory exists
os.makedirs(output_dir, exist_ok=True)
types = ['train', 'val', 'test']
dirs = [train_dir, val_dir, test_dir]
for type_, dir_path in zip(types, dirs):
if os.path.exists(dir_path):
source_dir = os.path.join(dir_path, source_dir_name)
target_dir = os.path.join(dir_path, target_dir_name)
if os.path.exists(source_dir):
output_file = os.path.join(output_dir, type_, 'metadata.jsonl')
os.makedirs(os.path.dirname(output_file), exist_ok=True)
rel_output_dir = os.path.dirname(output_file)
with open(output_file, "w") as f:
source_files = sorted([f for f in os.listdir(source_dir) if f.lower().endswith('.png')])
target_files = []
if os.path.exists(target_dir):
target_files = sorted([f for f in os.listdir(target_dir) if f.lower().endswith('.png')])
min_len = min(len(source_files), len(target_files)) if target_files else len(source_files)
for i in range(min_len):
source_path = os.path.join(source_dir, source_files[i])
rel_source = os.path.relpath(source_path, rel_output_dir)
entry = {'source_file_name': rel_source}
if target_files:
target_path = os.path.join(target_dir, target_files[i])
rel_target = os.path.relpath(target_path, rel_output_dir)
entry['target_file_name'] = rel_target
f.write(json.dumps(entry) + '\n')
for i in range(min_len, len(source_files)):
source_path = os.path.join(source_dir, source_files[i])
rel_source = os.path.relpath(source_path, rel_output_dir)
entry = {'source_file_name': rel_source}
f.write(json.dumps(entry) + '\n')
if __name__ == "__main__":
main()
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