An example of using super in python

crawlPyCentral.py

import requests
from BeautifulSoup import BeautifulSoup

class crawlPyCentral(object):
	
    def __init__(self, url='http://pythoncentral.org/'):
        self.url = url
    
    def getSoup(self):
	response = requests.get(self.url)
	soup = BeautifulSoup(response.content)
	return soup
		
    def getTitles(self):
        soup = self.getSoup()
	uls = soup.findAll('ul',{'class':'category-posts'})
	for ul in uls:
	    lis = ul.findAll('a')
	    for li in lis:
                yield li

class filteredCrawler(crawlPyCentral):
	
    def getTitles(self, keyword):
        for t in super(filteredCrawler, self).getTitles():
            if t.text.find(keyword) > -1:
                yield t.text	
				
if __name__=='__main__':
    f = filteredCrawler()
    for title in f.getTitles('1'):
        print title