from Tkinter import * class Alarm(Frame): def repeater(self): self.bell() if self.shown: self.stopper.pack_forget() else: self.stopper.pack() self.shown = not self.shown self.after(self.msecs, self.repeater) def __init__(self, msecs=1000): self.shown = 0 Frame.__init__(self) self.msecs = msecs self.pack() stopper = Button(self, text='Stop the beeps!', command=self.quit) stopper.pack() self.stopper = stopper self.repeater() Alarm(msecs=500).mainloop()
