python实现图片文件批量重命名

# -*- coding:utf-8 -*-import osclass 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()