import os


# 类别名称列表
class_names = ['badaoxie', 'banxie', 'baomihuaxie', 'heiyaoshixie', 'huoxingxie', 'jianzhenxie', 'maozhuaxie', 'mianhuatangxie', 'mofangxie', 'moshutiexie', 'qidianxie', 'ranshaoxie', 'shuinixie', 'wangmianxie', 'xiaobaixie', 'xiaochujuxie', 'xiaomaixie', 'yingtangxie', 'yinsuxie', 'yuanyangxie', 'yucixie']  # 替换为你的类别名称
target_class = ['badaoxie', 'banxie', 'baomihuaxie', 'heiyaoshixie', 'huoxingxie', 'jianzhenxie', 'maozhuaxie', 'mianhuatangxie', 'mofangxie', 'moshutiexie', 'qidianxie', 'ranshaoxie', 'shuinixie', 'wangmianxie', 'xiaobaixie', 'xiaochujuxie', 'xiaomaixie', 'yingtangxie', 'yinsuxie', 'yuanyangxie', 'yucixie']  # 目标类别
target_class_id = {'badaoxie': 2, 'banxie':2, 'baomihuaxie':2, 'heiyaoshixie':2, 'huoxingxie':2, 
                   'jianzhenxie':2, 'maozhuaxie':2, 'mianhuatangxie':2, 'mofangxie':2, 'moshutiexie':2,
                   'qidianxie':2, 'ranshaoxie':2, 'shuinixie':2, 'wangmianxie':2, 'xiaobaixie':2,
                   'xiaochujuxie':2, 'xiaomaixie':2, 'yingtangxie':2, 'yinsuxie':2, 'yuanyangxie':2, 'yucixie':2}  # 目标类别的新 ID

def filter_and_rename_labels(label_directory, output_label_directory):
    if not os.path.exists(output_label_directory):
        os.makedirs(output_label_directory)  # 创建输出标签目录

    # 遍历标签目录中的所有文件
    for label_file in os.listdir(label_directory):
        if label_file.endswith('.txt'):  # 确保是标签文件
            with open(os.path.join(label_directory, label_file), 'r') as file:
                lines = file.readlines()

            # 过滤标签，只保留目标类别并修改类别 ID
            filtered_lines = []
            for line in lines:
                try:
                    class_id, x_center, y_center, box_width, box_height = map(float, line.split())
                    if class_names[int(class_id)] in target_class:
                        # 修改类别 ID 为 0
                        filtered_lines.append(f"{target_class_id[class_names[int(class_id)]]} {x_center} {y_center} {box_width} {box_height}\n")
                except:
                    print("标签文件错误", label_file)

            # 将过滤后的标签写入新的文件
            with open(os.path.join(output_label_directory, label_file), 'w') as file:
                file.writelines(filtered_lines)

# 示例用法
label_directory = '/home/admin-root/haotian/python哈汽锻8安全帽识别/Shoes/shoe.v2i.yolov8/valid/labels_raw'  # 替换为你的标签文件夹路径
output_label_directory = '/home/admin-root/haotian/python哈汽锻8安全帽识别/Shoes/shoe.v2i.yolov8/valid/labels'  # 替换为你希望保存过滤后标签的路径
filter_and_rename_labels(label_directory, output_label_directory)