code: def make_full_url(request, url):
      
      urlparts = request.urlparts
      return '{scheme}://{site}/{url}'.format(
          scheme=urlparts.scheme,
          site=get_site_name(request),
          url=url.lstrip('/'),
      )
docs: Get a relative URL and returns the absolute version.
      Eg: “/foo/bar?q=is-open” ==> “http://example.com/foo/bar?q=is-open”