#!/usr/bin/python

import os

import pygtk
pygtk.require ('2.0')
import gtk

def bleh_cb (*args):
	lista = os.listdir ('/usr/bin')
	count = 0
	for item in lista:
		if count > 4:
			while gtk.events_pending ():
				gtk.main_iteration ()
			count = 0
		print item
		count = count + 1

janela = gtk.Window ()
janela.connect ('delete-event', gtk.main_quit)

botao = gtk.Button ('Bleh')
botao.connect ('clicked', bleh_cb)

janela.add (botao)
janela.show_all ()

gtk.main ()