threading on function and class

get_hardmob_promos.py

#!/usr/local/bin/python
# -*- coding: utf-8 -*-

import re
import sys
import time
import requests
import threading
import Tkinter
from BeautifulSoup import BeautifulSoup

old_list = []
print_first_time = 1

def show_promo_window(size,promo):
	root = Tkinter.Tk()
	root.geometry('{}x50+1350+750'.format(size))
	Tkinter.Label(root, text=promo).place(x=10, y=10)
	threading.Timer(1.5, root.destroy).start() 
	root.mainloop()

while 1:
	soup = BeautifulSoup(requests.get('http://www.hardmob.com.br/promocoes/?sort=lastpost&order=dsc').content)
	h3_tags = soup.findAll('h3', { "class" : "threadtitle" } )
	topics = [re.sub(',|\n|\r','',x) for x in re.split('\n\n',re.sub(r'<[^>]+>|\[|\]','',str(h3_tags)))[2:] if x != '']
	print_topics = [i for i, j in zip(topics, old_list) if i != j]
	if len(print_topics) != 0 or print_first_time == 1:
		for topic in print_topics:
			for word in sys.argv[1].split(','):
				if word.upper() in topic.upper():
					show_promo_window(len(topic)*7,topic)
					break
		if len(print_topics) != 0:
			for x in print_topics:
				print >> open('/home/kanazuchi/topics_promo','a'), x
		elif print_first_time == 1:
			for x in topics:
				print >> open('/home/kanazuchi/topics_promo','a'), x
				show_promo_window(len(x)*7,x)
		print_topics = []
	old_list = topics
	print_first_time = 0
	time.sleep(120)