from evdev import InputDevice, categorize, ecodes, KeyEvent
gamepad = InputDevice('/dev/input/event4')
for event in gamepad.read_loop():
    if event.type == ecodes.EV_KEY:
        keyevent = categorize(event)
        if keyevent.keystate == KeyEvent.key_down:
            if keyevent.keycode == 'BTN_THUMB':
                print "baB"
            elif keyevent.keycode == 'BTN_TOP':
                print "froot"
            elif keyevent.keycode == 'BTN_THUMB2':
                print "wight"
            elif keyevent.keycode == ['BTN_JOYSTICK', 'BTN_TRIGGER']:
                print "lebt"