Python 基于TK 文本编辑器

 #coding=utf-8
 import sys,os
 import tkFileDialog
 from Tkinter import *
 from tkFont import Font

 print "欢迎使用编辑器: ", str(sys.argv[0])[:-3]

 class Write():

     def __init__(self):
          self.tk=Tk()
          if len(sys.argv[0])>=2:
              fname=self.fname=sys.argv[1]
          else:
              fname=self.fname='new.txt'
          self.createUI(fname)
          self.tk.mainloop()

     def createUI(self,fname):
          #create menu
          menubar=Menu(self.tk,bg='purple')
          fmenu=Menu(menubar,tearoff=0)
          fmenu.add_command(label='Open',command=self.open)
          fmenu.add_command(label='Save',command=self.save)
          fmenu.add_command(label='Exit',command=exit)
          menubar.add_cascade(label="File", menu=fmenu)
          self.tk.title("Welcome to writer!")
          self.tk.geometry("800x600")
          self.tk.config(menu=menubar,background="gray",borderwidth = 8)
          #l =
          self.txt=Text(width=6000,height=6000,font=Font(self.tk,size=14))
          with open(fname) as f:
              content = f.read()
              f.close()
              print content
          filecontent=content
          #self.txt.delete(1.0,END)
          self.txt.insert(INSERT,filecontent)
          self.txt.pack()

     def save(self):
        txtContent = self.txt.get(1.0,END)
        self.saveFile(content=txtContent)

     def open(self):
          self.filename = tkFileDialog.askopenfilename(initialdir = os.getcwd())
          filecontent=self.openFile(fname=self.filename)
          if filecontent is not -1:
               self.text.delete(1.0,END)
               self.text.insert(1.0,filecontent)

     def openFile(self,fname=None):
          if fname is None:
               return -1
          self.fname = fname
          file = open(fname,'r+')
          content = file.read()
          file.close()
          return content

     def saveFile(self,content=None):
          if content is None:
               return -1
          file=open(self.fname,'w')
          file.write(content)
          file.flush()
          file.close()
          return 0

     def exit(self):
          sys.exit(0)

 if __name__ == '__main__':
     if len(sys.argv)>=2:
         Write()
     else:
         print "请加上需要编辑的文件名,例:python %s new.txt"%sys.argv[0]

writer.py