python文件_改名2

#手动选择路径，批量改名

import os,re,time,tkFileDialog
global i
#文件名后面增加后缀：txt，png，bng，jpeg,jpg,gif,zip类型的文件
def change_name(path,text):
    global i
    if not os.path.isdir(path) and not os.path.isfile(path):
        return False
    elif os.path.isfile(path):
        file_text=os.path.split(path)
        lists=file_text[-1].split('.')
        os.rename(path,file_text[0]+'\\'+lists[0]+text+'.'+lists[-1])#添加后缀
        i+=1
    elif os.path.isdir(path):
        for x in os.listdir(path):
            change_name(os.path.join(path,x), text)
#修改后缀名，将图片统一修改为jpg
def change_ext(path):
    global i
    if not os.path.isdir(path) and not os.path.isfile(path):
        return False
    elif os.path.isfile(path):
        file_text=os.path.split(path)
        lists=file_text[-1].split('.')
        mange=['jpeg','png','gif','bng','psd']
        if lists[1] in mange:
            os.rename(path,file_text[0]+'\\'+lists[0]+'.'+'jpg')
            i+=1
    elif os.path.isdir(path):
        for x in os.listdir(path):
            change_ext(os.path.join(path,x)) 

print'0代表更换文件名，其它代表改扩展名'
name=int(raw_input('请选择更换文件名还是改变扩展名：'))
lj=tkFileDialog.askdirectory()
i=0
if name==0:
    gb_name=str(raw_input('输入添加的后缀：'))
    start_time=time.time()
    change_name(lj,gb_name)
    end_time=time.time()
    print '开始时间：',start_time,'结束时间：',end_time,'用时：',end_time-start_time
    print('共处理了%s个文件'%(i))
else:
    start_time=time.time()
    change_ext(lj)
    end_time=time.time()
    print '开始时间：',start_time,'结束时间：',end_time,'用时：',end_time-start_time
    print('共处理了%s个图片'%(i))