给同学开网店写的文件批量改名程序 python+Tkinter

批量改名.py

#coding:utf-8
from Tkinter import *
import tkSimpleDialog,tkFileDialog,os
from ttk import *
def ask():

  a = tkSimpleDialog.askstring('Beordle','Text from:',initialvalue='')
  if a==None:
    return None,None
  b = tkSimpleDialog.askstring('Beordle','Text to:',initialvalue='')
  return a,b

class Application(Frame):
 path=""
 def rename(self):
  if self.path=="":
    print  u'你还未指定目录' 
    return
  dirname=self.path
  print '注意,你将修改的目录为',dirname
  while True:
   a,b=ask()
   if a==None:
      return

   print a,b
   filenames = os.listdir(dirname)
   for filename in filenames:
     filename=unicode(filename)
     if os.path.isfile(os.path.join(dirname,filename)):
          newfilename=filename.replace(a,b)

          filename=os.path.join(dirname,filename)
          newfilename=os.path.join(dirname,newfilename)
          os.rename(filename,newfilename)
          if filename != newfilename:
               print filename ,"to",newfilename
 def setpath(self):
  dirname = tkFileDialog.askdirectory(parent=root)
  dirname=unicode(dirname)
  print dirname
  self.path=dirname
  

 def createWidgets(self):
  self.QUIT = Button(self)
  self.QUIT["text"] = u"设置文件夹"
  self.QUIT["command"] = self.setpath

  self.QUIT.pack({"side": "left"})

  self.hi_there = Button(self)
  self.hi_there["text"] = u"更名",
  self.hi_there["command"] = self.rename

  self.hi_there.pack({"side": "left"})

 def __init__(self, master=None):
  Frame.__init__(self, master)
  self.pack()
  self.createWidgets()



root = Tk()
app = Application(master=root)
app.mainloop()


root.destroy()