code: def get_title_tags_from_request(request, page_lookup, lang, site):
      
      return get_page_tags_from_request(request, page_lookup, lang, site, True)
docs: Get the list of tags attached to a Title from a request from usual
      `page_lookup` parameters.
  
      :param request: request object
      :param page_lookup: a valid page_lookup argument
      :param lang: a language code
      :param site: a site id
  
      :return: list of tags attached to the given Title
      :type: List