python脚本，批量删除文件或文件夹中特定字符

import os
import argparse


def parse():
    parser = argparse.ArgumentParser(description=‘批量修改文件名‘)
    parser.add_argument(‘target_dir‘, metavar=‘TARGET_DIR‘, type=str, nargs=1, help=‘需批量修改文件所在目录‘)
    parser.add_argument(‘delete_part‘, metavar=‘DELETE_PART‘, type=str, nargs=1, help=‘删除字段‘)
    return parser
def filename_del(target_dir,delete_part):
    try:
        #delete_part = ‘【程序员教程吧 论 坛 www.cxyjc8.com】‘

        for filename in os.listdir(target_dir):
            file = os.path.splitext(filename)
            file_ext = file[1]
            a = ‘\\‘
            dir = target_dir + str(a) + file[0]
            if len(file_ext) == 0:
                filename_del(dir, delete_part)
            else:
                newname = filename.replace(delete_part, ‘‘)
                print(newname)
                os.rename(
                    os.path.join(target_dir, filename),
                    os.path.join(target_dir, newname)
                )
    except Exception:
        print(‘不是文件夹‘)



def main():
    parser = parse()
    args = vars(parser.parse_args())
    work_dir = args[‘target_dir‘][0]
    delete_part = args[‘delete_part‘][0]
    if delete_part[0] != ‘.‘:
        delete_part = ‘.‘ + delete_part

    filename_del(work_dir, delete_part)

if __name__ == ‘__main__‘:
    main()