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#!/usr/bin/python
import RPi.GPIO as GPIO
import subprocess
print ('waiting for button presses');
GPIO.setmode(GPIO.BCM)
GPIO.setup(26, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.wait_for_edge(26, GPIO.FALLING)
print ('button pressed, shutting down')
subprocess.call(['ledctl', 'boot'], shell=False)
subprocess.call(['shutdown', '-h', 'now'], shell=False)
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