Python Script

#!/usr/bin/env python

import os
from time import sleep
from espeak import espeak
import random
import RPi.GPIO as GPIO

GPIO.setmode(GPIO.BCM)
GPIO.setup(23, GPIO.IN) #First Sensor Pin
GPIO.setup(24, GPIO.IN) #Second Sensor Pin


visitor_count = 0
counter = 0
in_first = False
out_first = False
limit = 10

responses = [   'you are visitor number []',
                'welcome, visitor []',
                'hi, visitor number[]',
                'take a look around, visitor number []']
goodbye = [     'goodbye',
                'see you later']



def reset() :
        global counter
        global in_first
        global out_first
        counter = 0
        in_first = False
        out_first = False


#espeak.set_voice("mb-us1")
#espeak.set_parameter(espeak.Parameter.Rate, 200)
while True:

        if GPIO.input(23) and GPIO.input(24):
                reset()
                continue
        if debug:
                print "23: " + str(GPIO.input(23)) + ", 24: " + str(GPIO.input(24)) + " C: " + str(counter)

        if GPIO.input(23) and not(in_first):
                out_first = True

        if GPIO.input(24) and not(out_first):
                in_first = True

        if out_first or in_first :
                counter = counter + 1
                sleep(0.1)

        if out_first and GPIO.input(24) and (counter > 0) :

                visitor_count = visitor_count + 1
                speak = random.choice(responses)  # Get a random response to speak back to the user
                espeak.synth(speak.replace("[]", str(visitor_count)))  # Speak back to the user!
                os.system('clear')
                print str(visitor_count)
                reset()

        if in_first and GPIO.input(23) and (counter > 0) :
                speak = random.choice(goodbye)  # Get a random response to speak back to the user
                espeak.synth(speak)  # Speak back to the user!
                reset()

        if counter > limit :
                reset()