Python--批量重命名文件

#!/usr/bin/env 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()