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# import os
# import shutil

# # --- 1. 配置您的文件夹路径 ---

# # 源文件夹列表 (您的 x_part0, x_part1, ...)
# SOURCE_FOLDERS = ['/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug_part0', '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug_part1', '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug_part2']

# # 您希望创建的新文件夹的名称
# TARGET_FOLDER = 'samples_vbench_all_dimension_aug'

# # --- 脚本正文 ---

# def merge_folders(source_dirs, target_dir):
#     """
#     合并所有源文件夹到目标文件夹,保持子目录结构。
#     """
#     print(f"开始合并文件夹到 '{target_dir}'...")
#     total_files_copied = 0
#     total_files_skipped = 0

#     # 1. 确保目标文件夹存在
#     # os.makedirs(..., exist_ok=True) 会创建文件夹,如果它已经存在也不会报错
#     os.makedirs(target_dir, exist_ok=True)
    
#     # 2. 遍历每一个源文件夹 (x_part0, x_part1, ...)
#     for source_dir in source_dirs:
#         print(f"\n--- 正在处理源文件夹: '{source_dir}' ---")
        
#         # 3. 遍历源文件夹中的所有文件和子文件夹
#         # os.walk 会递归地遍历所有子目录
#         #   dirpath: 当前子目录的路径 (例如: 'x_part0/train/classA')
#         #   dirnames: 当前子目录下的文件夹列表
#         #   filenames: 当前子目录下的文件列表
#         for dirpath, dirnames, filenames in os.walk(source_dir):
            
#             # 4. 计算当前文件在目标文件夹中应有的路径
#             # os.path.relpath 会计算相对路径
#             # 例如: dirpath = 'x_part0/train/classA'
#             #       source_dir = 'x_part0'
#             #       relative_path = 'train/classA'
#             relative_path = os.path.relpath(dirpath, source_dir)
            
#             # 目标子目录的完整路径
#             # 例如: 'x_merged/train/classA'
#             target_subdir = os.path.join(target_dir, relative_path)
            
#             # 5. 如果目标子目录不存在,则创建它
#             if not os.path.exists(target_subdir):
#                 os.makedirs(target_subdir)
                
#             # 6. 遍历当前子目录下的所有文件并复制
#             for filename in filenames:
#                 source_file = os.path.join(dirpath, filename)
#                 target_file = os.path.join(target_subdir, filename)
                
#                 # 7. 处理文件名冲突
#                 if os.path.exists(target_file):
#                     print(f"警告: 文件 '{target_file}' 已存在,跳过。")
#                     total_files_skipped += 1
#                 else:
#                     try:
#                         # 使用 shutil.copy2 来复制文件
#                         # copy2 会同时复制文件内容和元数据(如修改时间)
#                         shutil.copy2(source_file, target_file)
#                         total_files_copied += 1
#                     except Exception as e:
#                         print(f"错误: 复制文件 {source_file} 时失败: {e}")
#                         total_files_skipped += 1

#     print("\n--- 合并完成 ---")
#     print(f"总共成功复制: {total_files_copied} 个文件")
#     print(f"总共跳过(因已存在或错误): {total_files_skipped} 个文件")

# # --- 运行主函数 ---
# if __name__ == "__main__":
#     # 检查源文件夹是否存在
#     valid_source_folders = []
#     for folder in SOURCE_FOLDERS:
#         if os.path.isdir(folder):
#             valid_source_folders.append(folder)
#         else:
#             print(f"警告: 找不到源文件夹 '{folder}',将跳过。")
            
#     if not valid_source_folders:
#         print("错误: 找不到任何有效的源文件夹。脚本终止。")
#     else:
#         merge_folders(valid_source_folders, TARGET_FOLDER)

import os
import shutil

# --- 1. 请修改这里的配置 ---

# 您要从中复制文件的五个源文件夹
# SOURCE_FOLDERS = [
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30/ckpts/steps_ckpt_Oct14_6_3000',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed0/ckpts/steps_ckpt_Oct14_6_3000',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed84/ckpts/steps_ckpt_Oct14_6_3000',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed128/ckpts/steps_ckpt_Oct14_6_3000',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed1000/ckpts/steps_ckpt_Oct14_6_3000',
# ]
# SOURCE_FOLDERS = [
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed0/output_pretrain',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed42/output_pretrain',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed84/output_pretrain',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed128/output_pretrain',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30-seed1000/output_pretrain',
# ]

seeds = ['r1', 'r2', 'r3', 'r4']

model_path = 'output_Oct16_1/steps_2000'
model_name = 'oct16_1'
folder_sub = 'all_dimension_aug'
# folder_sub = 'all_category'

# SOURCE_FOLDERS = [
#     f'/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/{i}/wan-videos-t2v-512*288-30-seed-1/output_Oct14_6/steps_2000' for i in seeds
# ]
# SOURCE_FOLDERS.append('/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan-videos-t2v-512*288-30/output_Oct14_6/steps_2000')

SOURCE_FOLDERS = [
    f'/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_{folder_sub}/{i}/wan-videos-t2v-512*288-30-seed-1/{model_path}' for i in seeds
]
SOURCE_FOLDERS.append(f'/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_{folder_sub}/wan-videos-t2v-512*288-30/{model_path}')

# SOURCE_FOLDERS = [
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_category/wan_rwft',
#     '/nfs/ywang29/Reward_finetuning/VideoX-Fun/validation_samples/samples_vbench_all_dimension_aug/wan_rwft'
# ]
# 您希望将所有文件汇集到的目标文件夹
TARGET_FOLDER = f'/nfs/ywang29/Reward_finetuning/VideoX-Fun/VBench/sampled_videos/wan1.3b_rwft_{model_name}_2000'

# --- 脚本正文 (通常不需要修改) ---

def copy_all_files(source_dirs, target_dir):
    """
    将所有源文件夹中的全部文件递归复制到目标文件夹的根目录下。
    """
    print(f"开始复制文件到: {target_dir}")
    
    # 1. 确保目标文件夹存在
    os.makedirs(target_dir, exist_ok=True)
    
    # 2. 初始化计数器
    total_copied = 0
    total_skipped = 0
    total_errors = 0

    # 3. 遍历每一个源文件夹
    for source_dir in source_dirs:
        if not os.path.isdir(source_dir):
            print(f"\n警告: 源文件夹 '{source_dir}' 不存在,已跳过。")
            continue
            
        print(f"\n--- 正在处理文件夹: {source_dir} ---")
        
        # 4. 递归遍历 (os.walk) 源文件夹中的所有内容
        #    dirpath: 当前子目录的路径
        #    dirnames: 当前子目录下的文件夹列表
        #    filenames: 当前子目录下的文件列表
        for dirpath, dirnames, filenames in os.walk(source_dir):
            
            # 5. 遍历当前子目录下的所有文件
            for filename in filenames:
                
                # 构建完整的源文件路径
                source_file_path = os.path.join(dirpath, filename)
                
                # 构建完整的目标文件路径(直接放在目标文件夹的根下)
                target_file_path = os.path.join(target_dir, filename)
                
                # 6. 检查文件名冲突:如果目标文件已存在
                if os.path.exists(target_file_path):
                    print(f"  [跳过] 文件 '{filename}' 已存在于目标文件夹中。")
                    total_skipped += 1
                else:
                    # 7. 执行复制
                    try:
                        # shutil.copy2 会复制文件内容和元数据(如时间戳)
                        shutil.copy2(source_file_path, target_file_path)
                        print(f"  [复制] {filename}")
                        total_copied += 1
                    except Exception as e:
                        print(f"  [失败] 复制 '{source_file_path}' 时出错: {e}")
                        total_errors += 1

    print("\n--- 操作完成 ---")
    print(f"总共成功复制: {total_copied} 个文件")
    print(f"总共跳过(因文件名冲突): {total_skipped} 个文件")
    print(f"总共失败(因错误): {total_errors} 个文件")

# --- 运行主函数 ---
if __name__ == "__main__":
    copy_all_files(SOURCE_FOLDERS, TARGET_FOLDER)