def METHOD_NAME(self, url, vformat):
    cookies = self.get_cookies()
    page = requests.get(url, cookies=cookies, **self.tracker_settings.get_requests_kwargs())
    page_soup = get_soup(page.text)
    flist = self._find_format_list(page_soup)
    for f in flist:
        if f.text.strip() == vformat:
            href = f['href'][1:]
            at = page_soup.select_one('div[class="torrent"] div#'+href+' a')
            return self.root_url + at['href']
    return None