code: def get_unique_links(self):
          
          page_url = self.get_current_url()
          soup = self.get_beautiful_soup(self.get_page_source())
          links = page_utils._get_unique_links(page_url, soup)
          return links
docs: Get all unique links in the html of the page source.
              Page links include those obtained from:
              "a"->"href", "img"->"src", "link"->"href", and "script"->"src".