Method _g_check_group

tables/node.py:852–863

(self, node: Group)

        return isvisiblepath(self._v_pathname)

    def _g_check_group(self, node: Group) -> None:
        # Node must be defined in order to define a Group.
        # However, we need to know Group here.
        # Using class_name_dict avoids a circular import.
        if not isinstance(node, class_name_dict["Node"]):
            raise TypeError(
                "new parent is not a registered node: %s" % node._v_pathname
            )
        if not isinstance(node, class_name_dict["Group"]):
            raise TypeError(
                "new parent node ``%s`` is not a group" % node._v_pathname
            )

    def _g_check_not_contains(self, pathname: str) -> None:
        # The not-a-TARDIS test. ;)