MegaPi modified Safe Shutdown

SafeShutdown.py

#!/usr/bin/env python3
from gpiozero import Button, LED
import os
from signal import pause
import subprocess

resetPin = 2
ledPin = 14
powerenPin = 4
hold = 2
led = LED(ledPin,initial_value=True)
power = LED(powerenPin,initial_value=True)

reboot_long_press = None

#functions that handle button events
def reboot_press():
    global reboot_long_press
    reboot_long_press = False

def reboot_hold():
    led.blink(.25,.25)
    global reboot_long_press
    reboot_long_press = True

def reboot_release():
    led.on()
    output_es = int(subprocess.check_output(['/opt/RetroFlag/multi_switch.sh', '--es-pid']))
    output_rc = int(subprocess.check_output(['/opt/RetroFlag/multi_switch.sh', '--rc-pid']))

    if reboot_long_press:
        if output_rc:
            os.system("/opt/RetroFlag/multi_switch.sh --closeemu")

        if output_es:
            os.system("/opt/RetroFlag/multi_switch.sh --es-reboot")
        else:
            os.system("sudo reboot")
    else:
        if output_rc:
            os.system("/opt/RetroFlag/multi_switch.sh --closeemu")
        elif output_es:
            os.system("/opt/RetroFlag/multi_switch.sh --es-restart")

rebootBtn = Button(resetPin,hold_time=hold)
rebootBtn.when_pressed = reboot_press
rebootBtn.when_held = reboot_hold
rebootBtn.when_released = reboot_release
pause()