FreeOpcUa / python-opcua

        if obj.desc:

            attrs.Description = ua.LocalizedText(obj.desc)

        attrs.DisplayName = ua.LocalizedText(obj.displayname)

        if obj.abstract:

            attrs.IsAbstract = obj.abstract

        node.NodeAttributes = attrs

        res = self.server.iserver.isession.add_nodes([node])

        self._add_refs(obj)

        res[0].StatusCode.check()

        return res[0].AddedNodeId

    def _add_refs(self, obj):

        if not obj.refs:

            return

        refs = []

        for data in obj.refs:

            ref = ua.AddReferencesItem()

            ref.IsForward = True

            ref.ReferenceTypeId = self.to_nodeid(data.reftype)

        node = self._get_node(obj)

        attrs = ua.ObjectTypeAttributes()

        if obj.desc:

            attrs.Description = ua.LocalizedText(obj.desc)

        attrs.DisplayName = ua.LocalizedText(obj.displayname)

        attrs.IsAbstract = obj.abstract

        node.NodeAttributes = attrs

        res = self.server.iserver.isession.add_nodes([node])

        self._add_refs(obj)

        res[0].StatusCode.check()

        return res[0].AddedNodeId

    def add_variable(self, obj):

        node = self._get_node(obj)

        attrs = ua.VariableAttributes()

        if obj.desc:

            attrs.Description = ua.LocalizedText(obj.desc)

        attrs.DisplayName = ua.LocalizedText(obj.displayname)

        node = self._get_node(obj)

        attrs = ua.ObjectAttributes()

        if obj.desc:

            attrs.Description = ua.LocalizedText(obj.desc)

        attrs.DisplayName = ua.LocalizedText(obj.displayname)

        attrs.EventNotifier = obj.eventnotifier

        node.NodeAttributes = attrs

        res = self.server.iserver.isession.add_nodes([node])

        self._add_refs(obj)

        res[0].StatusCode.check()

        return res[0].AddedNodeId

    def add_object_type(self, obj):

        node = self._get_node(obj)

        attrs = ua.ObjectTypeAttributes()

        if obj.desc:

            attrs.Description = ua.LocalizedText(obj.desc)

        attrs.DisplayName = ua.LocalizedText(obj.displayname)