def delete(self, delete_references=True):
"""
Delete node from address space
"""
ditem = ua.DeleteNodesItem()
ditem.NodeId = self.nodeid
ditem.DeleteTargetReferences = delete_references
params = ua.DeleteNodesParameters()
params.NodesToDelete = [ditem]
result = self.server.delete_nodes(params)
result[0].check()
def delete_nodes(server, nodes, recursive=False):
"""
Delete specified nodes. Optionally delete recursively all nodes with a
downward hierachic references to the node
"""
nodestodelete = []
if recursive:
nodes += _add_childs(nodes)
for mynode in nodes:
it = ua.DeleteNodesItem()
it.NodeId = mynode.nodeid
it.DeleteTargetReferences = True
nodestodelete.append(it)
return server.delete_nodes(nodestodelete)
def delete_nodes(server, nodes, recursive=False, delete_target_references=True):
"""
Delete specified nodes. Optionally delete recursively all nodes with a
downward hierachic references to the node
return the list of deleted node and the result
"""
nodestodelete = []
if recursive:
nodes = _add_childs(nodes)
for mynode in nodes:
it = ua.DeleteNodesItem()
it.NodeId = mynode.nodeid
it.DeleteTargetReferences = delete_target_references
nodestodelete.append(it)
params = ua.DeleteNodesParameters()
params.NodesToDelete = nodestodelete
return nodes, server.delete_nodes(params)
print("myvar is: ", myvar)
# subscribing to a variable node
handler = SubHandler()
sub = client.create_subscription(500, handler)
handle = sub.subscribe_data_change(myvar)
time.sleep(0.1)
# we can also subscribe to events from server
sub.subscribe_events()
# sub.unsubscribe(handle)
# sub.delete()
# calling a method on server
res = obj.call_method("2:multiply", 3, "klk")
print("method result is: ", res)
print("Children of MyObject are: ", obj.get_children())
print("myvar should be still there")
deletenode = ua.DeleteNodesItem()
deletenode.NodeId = obj.get_child(["2:MyVariable"]).nodeid
deletenode.DeleteTargetReferences = True
results = client.bclient.delete_nodes([deletenode])
results[0].check()
print("Children of MyObject are: ", obj.get_children())
print("myvar should disapear")
embed()
finally:
client.disconnect()
