rpi-experiments/main.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-
import RPi.GPIO as GPIO
import time


def buttonEventHandler(value):
    print "buton event!"
    if value is 0:
        GPIO.output(24, True)
        print('Button Pressed...')
    else:
        GPIO.output(24, False)
        print('Button Released...')

def main():
    print "Let's do this!"

    GPIO.setmode(GPIO.BCM)

    GPIO.setup(23, GPIO.IN, pull_up_down=GPIO.PUD_UP)
    GPIO.setup(24, GPIO.OUT)
    #GPIO.add_event_detect(23, GPIO.FALLING)
    #GPIO.add_event_callback(23, buttonEventHandler)
    try:
        while True:
            GPIO.wait_for_edge(23, GPIO.BOTH)
            buttonEventHandler(GPIO.input(23))
    except KeyboardInterrupt as e:
        GPIO.cleanup()
        raise

if __name__== "__main__":
  main()