newegg touchpad watcher

touchpad.py

import urllib2
from time import sleep
from datetime import datetime
from subprocess import Popen 

PRODUCT_URL = "http://content.newegg.com/LandingPage/ItemInfo4ProductDetail.aspx?Item=N82E16834158004"

def check():
    """
    Check product url and look for 'Out of Stock' in the specified xpath.
    If not found, then the product maybe in stock, so BEEP.
    """   
    time_check = datetime.now()

    page = urllib2.urlopen(PRODUCT_URL).read()
     
    is_lowered =  '"finalPrice":"399.99"' not in page 
    
    if is_lowered:
       print time_check, "Touchpad has possibly lowered price"
       #Show a zenity popup
       Popen("zenity --info --text 'HP Touchpad may have lower price'", shell=True) 
           
    else:
        print time_check, "Touch pad has not lowered price"

def main():
    while True:
        check()
        sleep(30)

if __name__ == '__main__':
    main()