instantiate a node type under parent
(server,
node_type,
parentid,
rdesc,
nodeid,
bname,
dname=None,
recursive=True,
instantiate_optional=True)
| 42 | |
| 43 | |
| 44 | def _instantiate_node(server, |
| 45 | node_type, |
| 46 | parentid, |
| 47 | rdesc, |
| 48 | nodeid, |
| 49 | bname, |
| 50 | dname=None, |
| 51 | recursive=True, |
| 52 | instantiate_optional=True): |
| 53 | """ |
| 54 | instantiate a node type under parent |
| 55 | """ |
| 56 | addnode = ua.AddNodesItem() |
| 57 | addnode.RequestedNewNodeId = nodeid |
| 58 | addnode.BrowseName = bname |
| 59 | addnode.ParentNodeId = parentid |
| 60 | addnode.ReferenceTypeId = rdesc.ReferenceTypeId |
| 61 | addnode.TypeDefinition = rdesc.TypeDefinition |
| 62 | |
| 63 | if rdesc.NodeClass in (ua.NodeClass.Object, ua.NodeClass.ObjectType): |
| 64 | addnode.NodeClass = ua.NodeClass.Object |
| 65 | _read_and_copy_attrs(node_type, ua.ObjectAttributes(), addnode) |
| 66 | |
| 67 | elif rdesc.NodeClass in (ua.NodeClass.Variable, ua.NodeClass.VariableType): |
| 68 | addnode.NodeClass = ua.NodeClass.Variable |
| 69 | _read_and_copy_attrs(node_type, ua.VariableAttributes(), addnode) |
| 70 | elif rdesc.NodeClass in (ua.NodeClass.Method, ): |
| 71 | addnode.NodeClass = ua.NodeClass.Method |
| 72 | _read_and_copy_attrs(node_type, ua.MethodAttributes(), addnode) |
| 73 | elif rdesc.NodeClass in (ua.NodeClass.DataType, ): |
| 74 | addnode.NodeClass = ua.NodeClass.DataType |
| 75 | _read_and_copy_attrs(node_type, ua.DataTypeAttributes(), addnode) |
| 76 | else: |
| 77 | logger.error("Instantiate: Node class not supported: %s", rdesc.NodeClass) |
| 78 | raise RuntimeError("Instantiate: Node class not supported") |
| 79 | return |
| 80 | if dname is not None: |
| 81 | addnode.NodeAttributes.DisplayName = dname |
| 82 | |
| 83 | res = server.add_nodes([addnode])[0] |
| 84 | res.StatusCode.check() |
| 85 | added_nodes = [res.AddedNodeId] |
| 86 | |
| 87 | if recursive: |
| 88 | parents = ua_utils.get_node_supertypes(node_type, includeitself=True) |
| 89 | node = Node(server, res.AddedNodeId) |
| 90 | for parent in parents: |
| 91 | descs = parent.get_children_descriptions(includesubtypes=False) |
| 92 | for c_rdesc in descs: |
| 93 | # skip items that already exists, prefer the 'lowest' one in object hierarchy |
| 94 | if not ua_utils.is_child_present(node, c_rdesc.BrowseName): |
| 95 | |
| 96 | c_node_type = Node(server, c_rdesc.NodeId) |
| 97 | refs = c_node_type.get_referenced_nodes(refs=ua.ObjectIds.HasModellingRule) |
| 98 | if not refs: |
| 99 | # spec says to ignore nodes without modelling rules |
| 100 | logger.info("Instantiate: Skip node without modelling rule %s as part of %s", c_rdesc.BrowseName, addnode.BrowseName) |
| 101 | continue |
no test coverage detected