def get_unique_links(self):
page_url = self.get_current_url()<EOL>soup = self.get_beautiful_soup(self.get_page_source())<EOL>links = page_utils._get_unique_links(page_url, soup)<EOL>return links<EOL>
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".