wait_doorbell

import RPi.GPIO as GPIO
import time
import os

#adjust for where your switch is connected
buttonPin = 999  # change 999 to the GPIO pin number of the positive charge

while True:
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(buttonPin,GPIO.IN)
    #assuming the script to call is long enough we can ignore bouncing
    #
    time.sleep(2)
    print GPIO.input(buttonPin)
    if (GPIO.input(buttonPin)):
        print GPIO.input(buttonPin)
        #this is the script that will be called (as root)
        #when using a USB webcam
        #os.system("fswebcam -r 960x720 -d /dev/video0 /home/pi/Desktop/Doorbell/webcam.jpg")

        #when using the Raspberry Pi webcam
        #os.system("raspistill -h 300 -w 400 -n -o /home/pi/Desktop/Doorbell/webcam.jpg")
        #print "Photo captured."

        #call send the email message with the photo attached
        #os.system("python /home/pi/Desktop/Doorbell/sendnotify.py")