code: def get_favicon(self, article):
          
          kwargs = {'tag': 'link', 'attr': 'rel', 'value': 'icon'}
          meta = self.parser.getElementsByTag(article.doc, **kwargs)
          if meta:
              favicon = self.parser.getAttribute(meta[0], 'href')
              return favicon
          return ''
docs: \
          Extract the favicon from a website
          http://en.wikipedia.org/wiki/Favicon
          <link rel="shortcut icon" type="image/png" href="favicon.png" />
          <link rel="icon" type="image/png" href="favicon.png" />