import os from lib.path import APP_PATH from lib.path import APP_PICTURE_PATH import yaml from lib.logger import logger class Tool(object):     @property     def app_data(self):         with open(APP_PATH, 'rb') as f:             data = yaml.load(f)         return data     @property     def app_error_picture(self):         app_list = os.listdir(APP_PICTURE_PATH)         app_picture = []         for item in app_list:             if item.endswith('.jpg'):                 # app_picture.append((APP_ERROR + item,))                 app_picture.append((APP_PICTURE_PATH + item,))         return app_picture     @staticmethod     def app_clear():         app_list = os.listdir(APP_PICTURE_PATH)         logger.debug('上次执行的未删除的图片：%s' % app_list)         for p in app_list:             if p.endswith('jpg') or p.endswith('png'):                 os.remove(os.path.join(APP_PICTURE_PATH, p)) if __name__ == '__main__':     Tool().app_clear()     # print(Tool().app_error_picture)     # print(Tool().app_data)