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))