Python • museum information board

Code:

import osimport timeimport subprocessimport RPi.GPIO as GPIOBUTTON_PIN = 17video_path = "/home/pi/media/video.mp4"waiting_screen_path = "/home/pi/Desktop/1.jpg"GPIO.setmode(GPIO.BCM)GPIO.setup(BUTTON_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)def show_waiting_screen():    os.system("pkill vlc")    os.system("pkill feh")    time.sleep(1)    os.system(f"feh --fullscreen {waiting_screen_path} &")def play_video():    video_process = subprocess.Popen(        ["cvlc", "--fullscreen", "--no-video-title-show", video_path],        stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL    )    video_process.wait()    os.system("pkill feh")def main():    while True:        show_waiting_screen()        GPIO.wait_for_edge(BUTTON_PIN, GPIO.FALLING)        play_video()        show_waiting_screen()if __name__ == "__main__":    try:        main()    except KeyboardInterrupt:        pass    finally:        GPIO.cleanup()