mopidy-touchscreen/mopidy_touchscreen/gpio_inpput_manager.py

import RPi.GPIO as GPIO
import logging
import pygame

logger = logging.getLogger(__name__)


class GPIOManager():

    def __init__(self):
        GPIO.setmode(GPIO.BCM)
        GPIO.setup(24, GPIO.IN, pull_up_down = GPIO.PUD_UP)
        GPIO.add_event_detect(24, GPIO.BOTH, callback=self.rigth, bouncetime=30)

    def right(self, channel):
        dict = {}
        if GPIO.input(channel) == 1:
            dict['type'] = pygame.KEYUP
        else:
            dict['type'] = pygame.KEYDOWN
        dict['key'] = pygame.K_RIGHT
        event = pygame.event.Event(dict)
        pygame.event.post(event)