ITTT_PNP_AlexaConnection

#!/usr/bin/env python

# Import all the libraries
import time
import os
import serial
import RPi.GPIO as GPIO
from pubnub import Pubnub

# Initialize the Pubnub Keys
pub_key = "XXX-X-XXXXXX-XXXX-XXXX-XXXX-XXXXXXXX"
sub_key = "XXX-X-XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
LIGHT = 18
#define pin of RPi on which you want to take output
def init():
        #initalize the pubnub keys and start subscribing
        global pubnub
        #Pubnub Initialization
        GPIO.setmode(GPIO.BCM)
        GPIO.setwarnings(False)
        GPIO.setup(LIGHT, GPIO.OUT)
        GPIO.output(LIGHT, False)
        pubnub = Pubnub(publish_key = pub_key, subscribe_key = sub_key)
        pubnub.subscribe(channels = 'alexaTrigger', callback = callback, error = callback, reconnec$

def control_alexa(controlCommand): #this function control Aalexa, commands received and action perf$
        if controlCommand.has_key("trigger"):
                if controlCommand["trigger"] == "light" and controlCommand["status"] == 1:
                        GPIO.output(LIGHT, True)
                        print "light is on"
                else :
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("t")
                        GPIO.output(LIGHT, False)
                        print "light is off"
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 2:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("a")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 5:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("b")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 10:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("c")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 15:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("d")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 20:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("e")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 11:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("f")
                if controlCommand["trigger"] == "milliliter" and controlCommand["status"] == 12:
                        s = serial.Serial('/dev/ttyACM0', 9600)
                        #Namen ggf.anpassen
                        s.isOpen()
                        time.sleep(2)
                        #der Arduino resettet nach einer Seriellen Verbindung, daher muss kurz gewa$
                        s.write("g")
                else :
                        pass
def callback(message, channel):
#this function waits for the message from the aleatrigger channel
        if message.has_key("requester"):
                control_alexa(message)
        else :
                pass
def callback(message, channel):
        #this function waits for the message from the aleatrigger channel
        if message.has_key("requester"):
                control_alexa(message)
        else :
                pass
def error(message):
        #if there is error in the channel, print the error
        print("ERROR : " + str(message))
def reconnect(message):
        #responds if server connects with pubnub
        print("RECONNECTED")
def disconnect(message): #responds if server disconnects with pubnub
        print("DISCONNECTED")
if __name__ == '__main__':
        init()