code: def _get_api_urls(self, api_urls=None):
          
          view_name = self.__class__.__name__
          api_urls = api_urls or {}
          api_urls["read"] = url_for(view_name + ".api_read")
          api_urls["delete"] = url_for(view_name + ".api_delete", pk="")
          api_urls["create"] = url_for(view_name + ".api_create")
          api_urls["update"] = url_for(view_name + ".api_update", pk="")
          return api_urls
docs: Completes a dict with the CRUD urls of the API.
  
          :param api_urls: A dict with the urls {'<FUNCTION>':'<URL>',...}
          :return: A dict with the CRUD urls of the base API.