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import argparse | |
import json | |
from pathlib import Path | |
from typing import List | |
from tqdm import tqdm | |
import library.train_util as train_util | |
import os | |
def main(args): | |
assert not args.recursive or (args.recursive and args.full_path), "recursive requires full_path / recursiveはfull_pathと同時に指定してください" | |
train_data_dir_path = Path(args.train_data_dir) | |
image_paths: List[Path] = train_util.glob_images_pathlib(train_data_dir_path, args.recursive) | |
print(f"found {len(image_paths)} images.") | |
if args.in_json is None and Path(args.out_json).is_file(): | |
args.in_json = args.out_json | |
if args.in_json is not None: | |
print(f"loading existing metadata: {args.in_json}") | |
metadata = json.loads(Path(args.in_json).read_text(encoding='utf-8')) | |
print("captions for existing images will be overwritten / 既存の画像のキャプションは上書きされます") | |
else: | |
print("new metadata will be created / 新しいメタデータファイルが作成されます") | |
metadata = {} | |
print("merge caption texts to metadata json.") | |
for image_path in tqdm(image_paths): | |
caption_path = image_path.with_suffix(args.caption_extension) | |
caption = caption_path.read_text(encoding='utf-8').strip() | |
if not os.path.exists(caption_path): | |
caption_path = os.path.join(image_path, args.caption_extension) | |
image_key = str(image_path) if args.full_path else image_path.stem | |
if image_key not in metadata: | |
metadata[image_key] = {} | |
metadata[image_key]['caption'] = caption | |
if args.debug: | |
print(image_key, caption) | |
# metadataを書き出して終わり | |
print(f"writing metadata: {args.out_json}") | |
Path(args.out_json).write_text(json.dumps(metadata, indent=2), encoding='utf-8') | |
print("done!") | |
def setup_parser() -> argparse.ArgumentParser: | |
parser = argparse.ArgumentParser() | |
parser.add_argument("train_data_dir", type=str, help="directory for train images / 学習画像データのディレクトリ") | |
parser.add_argument("out_json", type=str, help="metadata file to output / メタデータファイル書き出し先") | |
parser.add_argument("--in_json", type=str, | |
help="metadata file to input (if omitted and out_json exists, existing out_json is read) / 読み込むメタデータファイル(省略時、out_jsonが存在すればそれを読み込む)") | |
parser.add_argument("--caption_extention", type=str, default=None, | |
help="extension of caption file (for backward compatibility) / 読み込むキャプションファイルの拡張子(スペルミスしていたのを残してあります)") | |
parser.add_argument("--caption_extension", type=str, default=".caption", help="extension of caption file / 読み込むキャプションファイルの拡張子") | |
parser.add_argument("--full_path", action="store_true", | |
help="use full path as image-key in metadata (supports multiple directories) / メタデータで画像キーをフルパスにする(複数の学習画像ディレクトリに対応)") | |
parser.add_argument("--recursive", action="store_true", | |
help="recursively look for training tags in all child folders of train_data_dir / train_data_dirのすべての子フォルダにある学習タグを再帰的に探す") | |
parser.add_argument("--debug", action="store_true", help="debug mode") | |
return parser | |
if __name__ == '__main__': | |
parser = setup_parser() | |
args = parser.parse_args() | |
# スペルミスしていたオプションを復元する | |
if args.caption_extention is not None: | |
args.caption_extension = args.caption_extention | |
main(args) | |