#!/usr/bin/python

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

import os

outer_path = 'E:\\FFOutput\\sku_800'

folderlist = os.listdir(outer_path)  # 列举文件夹

for folder in folderlist:

    inner_path = os.path.join(outer_path, folder)

    total_num_folder = len(folderlist)  # 文件夹的总数

    print ('total have %d folders' % (total_num_folder))  # 打印文件夹的总数

    filelist = os.listdir(inner_path)  # 列举图片

    i = 0

    for item in filelist:

        total_num_file = len(filelist)  # 单个文件夹内图片的总数

        if item.endswith('.jpg'):

            src = os.path.join(os.path.abspath(inner_path), item)  # 原图的地址

            dst = os.path.join(os.path.abspath(inner_path), str(folder) + '_' + str(

                i) + '.jpg')  # 新图的地址（这里可以把str(folder) + '_' + str(i) + '.jpg'改成你想改的名称）

            try:

                os.rename(src, dst)

                print('converting %s to %s ...' % (src, dst))

                i += 1

            except:

                continue

    print('total %d to rename & converted %d jpgs' % (total_num_file, i))