#!/usr/bin/python
# -*- coding: koi8-r -*-

import locale
import time

from Tkinter import *


class MyEntry(Entry):
    def __init__(self, *args, **kwargs):
        Entry.__init__(self, *args, **kwargs)
        self.bind("<KeyPress-BackSpace>", self.callBackSpace)
    def callBackSpace(self, tkevent):
        bkspcIndex = self.index('insert')
        self.delete(bkspcIndex - 1, bkspcIndex)



class fmMain(Frame):
    def createWidgets(self):
        self.txtOne = MyEntry(self)
        self.txtOne.pack()
        self.txtOne["width"] = 10
        self.btnOne = Button(self)
        self.btnOne["text"] = unicode("Проба", "KOI8-R")
        self.btnOne["command"] = self.GetOne
        self.btnOne.pack()

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

        self.pack()
        self.createWidgets()


    def GetOne(self):
        print time.strftime('%A')


# if the next line is removed all seams to work OK.
locale.setlocale(locale.LC_NUMERIC, "")

main = fmMain()
main.mainloop()