photobooth_main.py 文件源码

def tidy_up(self):
        # NOTE: This was the __del__ method, but seems more reliable to call explicitly
        print "Tidying up PhotoBooth instance"
        ButtonHandler().light_button_leds('slr', False) # Turn off all LEDs
        pygame.quit()  # End our pygame session
        GPIO.cleanup() # Make sure we properly reset the GPIO ports we've used before exiting

        # Restore monitor blanking (TODO can we store previous values?)
        os.system("setterm -blank 30 -powerdown 30")