python脚本实现自动为png类型图片添加@2x

#!/usr/bin/env python

#coding=utf-8

import os

def rename(path):

    for item in os.listdir(path):

        # print 'filename: %s' % os.path.splitext(item)[0]

        fname = os.path.splitext(item)[0]

        sufix = os.path.splitext(item)[1][1:]

        if sufix == "png":

            addAt(fname,sufix)

            pass



def addAt(filename,sufix):

    origin = '%s.%s' % (filename,sufix)

    desc = '%s@2x.%s' % (filename,sufix)

    os.rename(origin,desc)

    print 'rename [%s] to [%s]' % (origin,desc)

    pass



if __name__ == "__main__":

    dirname = r'./'

    rename(dirname)