Download VideoX-Fun/output_objects/copy.py from YFanwang/Backup: direct link, hf CLI and curl.
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- Download file 2.57 kB
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https://huggingface.co/datasets/YFanwang/Backup/resolve/main/VideoX-Fun/output_objects/copy.py
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hf download hf://datasets/YFanwang/Backup/VideoX-Fun/output_objects/copy.py
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curl -L -o copy.py https://huggingface.co/datasets/YFanwang/Backup/resolve/main/VideoX-Fun/output_objects/copy.py
2.57 kB
| import os | |
| import json | |
| import shutil | |
| from pathlib import Path | |
| def filter_negative_samples(source_folder): | |
| # 1. 初始化路径 | |
| source_path = Path(f"{source_folder}/train_sample_full") | |
| target_path = Path(f"{source_folder}/negative") | |
| # 创建目标文件夹(如果不存在) | |
| target_path.mkdir(exist_ok=True) | |
| # 2. 遍历文件夹下所有的 .json 文件 | |
| json_files = list(source_path.glob("*.json")) | |
| count = 0 | |
| for json_file in json_files: | |
| # 排除名字中包含 'metadata' 的文件 | |
| if "metadata" in json_file.name: | |
| continue | |
| try: | |
| with open(json_file, 'r', encoding='utf-8') as f: | |
| data = json.load(f) | |
| # 3. 读取 ref_answer (假设是一个列表或字符串) | |
| # 根据你提供的 JSON,ref_answer 是一个包含字符串的列表 | |
| ref_answers = data.get("pred_answer", []) | |
| is_negative = False | |
| for ans_str in ref_answers: | |
| # 检查字符串中是否包含指定的 "answer": "No" | |
| # 使用转义字符或简单的子串匹配 | |
| if '"answer": "No"' in ans_str: | |
| is_negative = True | |
| break | |
| # 4. 如果符合条件,执行复制 | |
| if is_negative: | |
| # 获取文件名(不含后缀) | |
| file_stem = json_file.stem | |
| video_file = source_path / f"{file_stem}.mp4" | |
| # 复制 JSON | |
| shutil.copy2(json_file, target_path / json_file.name) | |
| # 复制 MP4 (如果存在) | |
| if video_file.exists(): | |
| shutil.copy2(video_file, target_path / video_file.name) | |
| shutil.copy2(video_file, target_path / video_file.name) | |
| print(f"已复制: {file_stem}") | |
| else: | |
| print(f"警告: 找到负例但未找到对应视频 {video_file.name}") | |
| count += 1 | |
| except Exception as e: | |
| print(f"处理文件 {json_file.name} 时出错: {e}") | |
| print(f"\n处理完成!共提取 {count} 组负样本到 negative 文件夹。") | |
| # ================= 配置 ================= | |
| # 填入你的 JSON 和 MP4 所在的目录路径 | |
| FOLDER_PATH = "/nfs/ywang29/Reward_finetuning/VideoX-Fun/output_sd_object2/" | |
| if __name__ == "__main__": | |
| filter_negative_samples(FOLDER_PATH) |