FreeOpcUa / python-opcua

                data = self._monitoreditems_map[mi.RequestedParameters.ClientHandle]

                data.server_handle = result.MonitoredItemId

                mids.append(result.MonitoredItemId)

        return mids

    def unsubscribe(self, handle):

        """

        unsubscribe to datachange or events using the handle returned while subscribing

        if you delete subscription, you do not need to unsubscribe

        """

        params = ua.DeleteMonitoredItemsParameters()

        params.SubscriptionId = self.subscription_id

        params.MonitoredItemIds = [handle]

        results = self.server.delete_monitored_items(params)

        results[0].check()

        with self._lock:

                self.EventType = node.nodeid

                curr_node = node

                while curr_node.nodeid.Identifier != parent_identifier:

                    for prop in curr_node.get_properties():

                        setattr(self, prop.get_browse_name().Name, prop.get_value())

                    parents = curr_node.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=False)

                    if len(parents) != 1: # Something went wrong

                        return None

                    curr_node = parents[0]

                self._freeze = True