Python GTK get keypressed

#!/usr/bin/env python

import gtk,os,random

class WIN:
    def __init__(self):
        self.CODE=""
        self.win=gtk.Window()
        self.win.connect("destroy", lambda w:gtk.main_quit())
        self.win.show()

        self.win.connect("key-press-event", self.closeme)
        self.win.connect("key-press-event", self.code)

    def closeme(self, widget, event):
        if event.keyval == gtk.keysyms.Escape:
            gtk.main_quit()

    def code(self, widget, event):
        if event.keyval == gtk.keysyms.i:
            self.CODE="i"
        else:
            self.CODE+= chr(event.keyval)
            print self.CODE
        if self.CODE == "idqd":
            self.CODE=''

mainapp=WIN()
gtk.main()