def keyboard_on_key_down(self, window, keycode, text, modifiers):
        if super(FocusLabel, self).keyboard_on_key_down(window, keycode,
                                                         text, modifiers):
            return True
        self.text = keycode[1]
        return True
We call super before doing anything else to enable tab cycling
dataset/ETHPy150Open kivy/kivy/examples/widgets/focus_behavior.py/FocusLabel.keyboard_on_key_down