import sys ; sys.path.append('lib')
from BeautifulSoup import BeautifulSoup
from utils import *

class DefaultExtractor:
    def __init__(self): pass
    def get_link(self,link):
        return link

class DiggExtractor(DefaultExtractor):
    def get_link(self,link):
        page = urlfetch(link)
        soup = BeautifulSoup(page)
# <div class="news-full" id="main0" style="z-index:1000"><div class="news-body"><h3 id="title1"><a href="http://www.chron.com/disp/story.mpl/ap/politics/3654155.html" >
        title = soup.first('h3')
        coral_url = title.a['href']
        return coral_url