目录下文件批量顺序修改文件名

import os
import sys
import codecs
import string

def batch_rename(cfgname):
    # 获得目录下的所有文件
    src_list = os.listdir("D:/picsample/picsample")
    print(src_list)

    # 获得路径
    path = "D:/picsample/picsample"
    print('current path --' + path)

    # 改名
    i = 0
    for name in src_list:
        new_name = "test" + str(i) + ".jpg"
        i += 1
        if new_name != None and i > 1:
            os.rename(os.path.join(path, name), os.path.join(path, new_name))
            print(name + '-->' + new_name + " finish")
        else:
            print(name + ' not rename!')


if __name__ == '__main__':
    batch_rename("D:/picsample/picsample")