Get id2obj containing: id_srcs and parents.

def get_id2obj_cur_n_high(self, id2obj_user, id_sources):
        """Get id2obj containing: id_srcs and parents."""
        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)