Python-сообщество

class EntryForm():
    '''Форма ввода'''
    def __init__(self, root = None, pict='', clb_func = None):
        self.clb_func = clb_func
        self.tl = Toplevel(root)
        self.tl.title("Tst")
        self._entry_val = ''                    
        self.frame = Frame(self.tl)
        self.frame.pack()
        self.label = Label(self.tl, text="Ввод:", fg="red")
        self.label.pack(side=TOP) 
        self.entry = Entry(self.tl)
        self.entry.focus_set()
        self.entry.pack(side = TOP)
        self.entry.bind("<Return>", self.onEnter)
           
    def onEnter(self, event):
        '''Процедура вызываемая на 
           нажатие Enter в поле entry формы'''
        self._entry_val = self.entry.get()
        if self._entry_val == '':
            self._entry_val = 'empty'
        self.tl.destroy()
        if self.clb_func:
            self.clb_func(self._entry_val)
        return self._entry_val
    
    def getEntryVal(self):
        '''Возвращает символы введенные 
           в поле entry формы'''
        return self._entry_val
    
if __name__ == '__main__':

    class App(Tk):
        def __init__(self):
            Tk.__init__(self)
            self.btn = Button(self, text = "Нажми меня!")
            self.btn.bind("<ButtonPress-1>", self.start)
            self.btn.pack(side = TOP)
            self.queue = Queue.Queue()
            self.visio()
            self.res = ''

        def visio(self):
            #print "visio start"
            #print self.queue.qsize()
            while self.queue.qsize():
                try:
                    msg = self.queue.get()
                    print "Queue get"
                    self.tl = EntryForm(root = self, clb_func = msg)
                except Queue.Empty:
                    print "pass"
                    pass
            self.after(100, self.visio)
                                
        def start(self, event):
            print "start() begin"
            thr = threading.Thread(target = wrk.prepareThr, name = "thr").start()
            print "start() end"
        
    class work():
        def __init__(self, queue):
            self.res = ''
            self.queue = queue
            print self.queue

        def set_val(self, val):
            self.res = val
            
        def prepareThr(self):
            print "prepareThr() begin"
            for i in xrange(10):
                self.queue.put(self.set_val)
                while 1:
                    txt = self.res
                    if txt != '':
                        self.res = ''
                        break
                    time.sleep(0.1)
                print txt
            print "prepareThr() end"
                        
    t = App()
    wrk = work(t.queue)
    t.mainloop()

class Some_toplevel_window():
   def __init__(self, func):
      ...
   def onEnter(self, event):
      self.func(self.user_data)
      ...

class Some_class:
   ...
   def callback(self, user_data):
      # Do what i whant.
   ...
   def some_func(self):
      Some_toplevel_window(self.callback)

        def prepareThr(self):
            print "prepareThr() begin"
            for i in xrange(10):
                self.queue.put(self.set_val)
                while 1:
                    txt = self.res
                    if txt != '':
                        self.res = ''
                        break
                    time.sleep(0.1)
                print txt
            print "prepareThr() end"