（lora训练补充数据）父目录镜像

import os
from PIL import Image

def flip_and_duplicate_image(image_path, output_path):
    """
    Flip an image horizontally and save a copy with a suffix.
    """
    try:
        with Image.open(image_path) as img:
            flipped_img = img.transpose(Image.FLIP_LEFT_RIGHT)
            flipped_img.save(output_path)
        return True
    except Exception as e:
        print(f"无法处理图像 {image_path}: {e}")
        return False

def process_images_in_directory(directory):
    """
    Process all images in a given directory and its subdirectories.
    """
    total_files = 0
    processed_files = 0

    # 预先计算总文件数以显示进度
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.lower().endswith(('.png', '.jpg', '.jpeg', '.gif', '.bmp')):
                total_files += 1

    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.lower().endswith(('.png', '.jpg', '.jpeg', '.gif', '.bmp')):
                original_path = os.path.join(root, file)
                filename, file_extension = os.path.splitext(file)
                output_path = os.path.join(root, f"{filename}(1){file_extension}")
                if not os.path.exists(output_path):  # 避免覆盖已存在的文件
                    if flip_and_duplicate_image(original_path, output_path):
                        processed_files += 1
                # 打印处理进度
                print(f"处理进度: {processed_files}/{total_files} ({(processed_files/total_files)*100:.2f}%)")

def main():
    directory = input("请输入要处理的文件夹的路径: ")
    if os.path.exists(directory) and os.path.isdir(directory):
        process_images_in_directory(directory)
        print("图片处理完成。")
    else:
        print("提供的路径无效或不是一个目录。")

# 运行脚本
main()