code: def _get_links(self, response):
          
          html_text = response.text.encode('utf-8')
          doc = document_fromstring(html_text)
          links = []
          for e in doc.cssselect('a'):
              links.append(e.get('href'))
docs: Parses the response text and returns all the links in it.
  
          :param response: The Response object.