code: def get_id2obj_cur_n_high(self, id2obj_user, id_sources):
          
          if not self.relationships:
              self._get_id2obj_high(id2obj_user, id_sources, self.fill_parentidid2obj_r0)
          else:
              self._get_id2obj_high(id2obj_user, id_sources, self.fill_parentidid2obj_r1)
docs: Get id2obj containing: id_srcs and parents.