docs: def rewrite_to_secure_url(url, secure_base=None):
      """
      Rewrite URL to a Secure URL
  
      @param url URL to be rewritten to a secure URL.
      @param secure_base: Base URL of secure site (defaults to CFG_SITE_SECURE_URL).
      """
      if secure_base is None:
          secure_base = cfg.get('CFG_SITE_SECURE_URL')
      url_parts = list(urlparse(url))
      url_secure_parts = urlparse(secure_base)
      url_parts[0] = url_secure_parts[0]
      url_parts[1] = url_secure_parts[1]
      return urlunparse(url_parts)