图片文件批量重命名（Python）

# -*- coding:utf-8 -*-

import os

class ImageRename():
def __init__(self):
self.path = 'D:/xpu/paper/plate_data'

def rename(self):
filelist = os.listdir(self.path)
total_num = len(filelist)

i = 0

for item in filelist:
if item.endswith('.jpg'):
src = os.path.join(os.path.abspath(self.path), item)
dst = os.path.join(os.path.abspath(self.path), '0000' + format(str(i), '0>3s') + '.jpg')
os.rename(src, dst)
print 'converting %s to %s ...' % (src, dst)
i = i + 1
print 'total %d to rename & converted %d jpgs' % (total_num, i)

if __name__ == '__main__':
newname = ImageRename()
newname.rename()