code: def _get_context_and_user_ids(self, context_name, user_name):
          
          if context_name is None:
              return None, None
  
          context_id = self.get_context_info(context_name)['id']
          user_id = None
          if user_name:
              user_id = self._get_user_id_from_name(context_id, user_name)
  
          return context_id, user_id
docs: Helper to get the context ID and user ID from the given names.