def _instantiate_node(server, parentid, rdesc, nodeid, bname, recursive=True):
"""
instantiate a node type under parent
"""
addnode = ua.AddNodesItem()
addnode.RequestedNewNodeId = nodeid
addnode.BrowseName = bname
addnode.ParentNodeId = parentid
addnode.ReferenceTypeId = rdesc.ReferenceTypeId
addnode.TypeDefinition = rdesc.TypeDefinition
node_type = Node(server, rdesc.NodeId)
if rdesc.NodeClass in (ua.NodeClass.Object, ua.NodeClass.ObjectType):
addnode.NodeClass = ua.NodeClass.Object
_read_and_copy_attrs(node_type, ua.ObjectAttributes(), addnode)
elif rdesc.NodeClass in (ua.NodeClass.Variable, ua.NodeClass.VariableType):
addnode.NodeClass = ua.NodeClass.Variable
_read_and_copy_attrs(node_type, ua.VariableAttributes(), addnode)
elif rdesc.NodeClass in (ua.NodeClass.Method,):
addnode.NodeClass = ua.NodeClass.Method
_read_and_copy_attrs(node_type, ua.MethodAttributes(), addnode)
else:
print("Instantiate: Node class not supported: ", rdesc.NodeClass)
return
res = server.add_nodes([addnode])[0]
if recursive:
descs = node_type.get_children_descriptions(includesubtypes=False)
for c_rdesc in descs:
_instantiate_node(server, res.AddedNodeId, c_rdesc, nodeid=ua.NodeId(namespaceidx=res.AddedNodeId.NamespaceIndex), bname=c_rdesc.BrowseName)
return Node(server, res.AddedNodeId)
def _instanciate_node(server, parentid, rdesc, idx):
"""
Instanciate a new node under 'parent' using a type
"""
print("Instanciating: node %s in %s" % (rdesc, parentid))
addnode = ua.AddNodesItem()
addnode.RequestedNewNodeId = ua.generate_nodeid(idx)
addnode.BrowseName = rdesc.BrowseName
addnode.NodeClass = rdesc.NodeClass
addnode.ParentNodeId = parentid
addnode.ReferenceTypeId = ua.TwoByteNodeId(ua.ObjectIds.HasComponent)
addnode.TypeDefinition = rdesc.TypeDefinition
print("ADDNODE", addnode)
node_type = Node(server, rdesc.NodeId)
if rdesc.NodeClass in (ua.NodeClass.Object, ua.NodeClass.ObjectType):
print(node_type, " is object")
_read_and_copy_attrs(node_type, ua.ObjectAttributes(), addnode)
#_add_object_attrs(addnode, rdesc, node_type)
elif rdesc.NodeClass in (ua.NodeClass.Variable, ua.NodeClass.VariableType):
print(node_type, " is variable")
_read_and_copy_attrs(node_type, ua.VariableAttributes(), addnode)
#_add_variable_attrs(addnode, rdesc, node_type)
else:
print("Node class not supported: ", rdesc.NodeClass)
print("ADDNODE FINAL ", addnode)
server.add_nodes([addnode])
refs = []
ref = ua.AddReferencesItem()
ref.IsForward = True
ref.ReferenceTypeId = addnode.ReferenceTypeId
ref.SourceNodeId = parentid
ref.TargetNodeClass = addnode.NodeClass
ref.TargetNodeId = addnode.RequestedNewNodeId
refs.append(ref)
server.add_references(refs)
descs = node_type.get_children_descriptions(
includesubtypes=False) #FIXME: should be false
print("node is", rdesc.NodeId, node_type, node_type.get_children())
print("Children are: ", descs)
for rdesc in descs:
_instanciate_node(server, addnode.RequestedNewNodeId, rdesc, idx)
return Node(server, addnode.RequestedNewNodeId)
def _instanciate_node(server, parentid, rdesc, idx):
"""
Instanciate a new node under 'parent' using a type
"""
print("Instanciating: node %s in %s" % (rdesc, parentid))
addnode = ua.AddNodesItem()
addnode.RequestedNewNodeId = ua.generate_nodeid(idx)
addnode.BrowseName = rdesc.BrowseName
addnode.NodeClass = rdesc.NodeClass
addnode.ParentNodeId = parentid
addnode.ReferenceTypeId = ua.TwoByteNodeId(ua.ObjectIds.HasComponent)
addnode.TypeDefinition = rdesc.TypeDefinition
print("ADDNODE", addnode)
node_type = Node(server, rdesc.NodeId)
if rdesc.NodeClass in (ua.NodeClass.Object, ua.NodeClass.ObjectType):
print(node_type, " is object")
_read_and_copy_attrs(node_type, ua.ObjectAttributes(), addnode)
#_add_object_attrs(addnode, rdesc, node_type)
elif rdesc.NodeClass in (ua.NodeClass.Variable, ua.NodeClass.VariableType):
print(node_type, " is variable")
_read_and_copy_attrs(node_type, ua.VariableAttributes(), addnode)
#_add_variable_attrs(addnode, rdesc, node_type)
else:
print("Node class not supported: ", rdesc.NodeClass)
print("ADDNODE FINAL ", addnode)
server.add_nodes([addnode])
refs = []
ref = ua.AddReferencesItem()
ref.IsForward = True
ref.ReferenceTypeId = addnode.ReferenceTypeId
ref.SourceNodeId = parentid
ref.TargetNodeClass = addnode.NodeClass
ref.TargetNodeId = addnode.RequestedNewNodeId
refs.append(ref)
server.add_references(refs)
descs = node_type.get_children_descriptions(includesubtypes=False) # FIXME: should be false
print("node is", rdesc.NodeId, node_type, node_type.get_children())
print("Children are: ", descs)
for rdesc in descs:
_instanciate_node(server, addnode.RequestedNewNodeId, rdesc, idx)
return Node(server, addnode.RequestedNewNodeId)
