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@@ 290-317 (lines=28) @@
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return results[0].AddedNodeId |
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def create_data_type(parent, nodeid, bname, description=None): |
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""" |
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Create a new data type to be used in new variables, etc .. |
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arguments are nodeid, browsename |
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or namespace index, name |
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""" |
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
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addnode = ua.AddNodesItem() |
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addnode.RequestedNewNodeId = nodeid |
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addnode.BrowseName = qname |
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addnode.NodeClass = ua.NodeClass.DataType |
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addnode.ParentNodeId = parent.nodeid |
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addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
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#addnode.TypeDefinition = ua.NodeId(ua.ObjectIds.BaseDataVariableType) # No type definition for types |
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attrs = ua.DataTypeAttributes() |
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if description is None: |
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attrs.Description = ua.LocalizedText(qname.Name) |
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else: |
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attrs.Description = ua.LocalizedText(description) |
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attrs.DisplayName = ua.LocalizedText(qname.Name) |
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attrs.WriteMask = 0 |
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attrs.UserWriteMask = 0 |
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attrs.IsAbstract = False # True mean they cannot be instanciated |
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addnode.NodeAttributes = attrs |
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results = parent.server.add_nodes([addnode]) |
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results[0].StatusCode.check() |
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return node.Node(parent.server, results[0].AddedNodeId) |
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def _create_method(parent, nodeid, qname, callback, inputs, outputs): |
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@@ 91-116 (lines=26) @@
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return node.Node(parent.server, _create_variable(parent.server, parent.nodeid, nodeid, qname, var, datatype=datatype, isproperty=False)) |
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def create_variable_type(parent, nodeid, bname, datatype): |
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""" |
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Create a new variable type |
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args are nodeid, browsename and datatype |
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or idx, name and data type |
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""" |
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
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if datatype and not isinstance(datatype, ua.NodeId): |
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raise RuntimeError("Data type should be nodeid, got {}".format(datatype)) |
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addnode = ua.AddNodesItem() |
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addnode.RequestedNewNodeId = nodeid |
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addnode.BrowseName = qname |
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addnode.NodeClass = ua.NodeClass.Variable |
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addnode.ParentNodeId = parent.nodeid |
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addnode.ReferenceTypeId = ua.NodeId(ua.ObjectIds.HasSubtype) |
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attrs = ua.VariableTypeAttributes() |
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attrs.Description = ua.LocalizedText(qname.Name) |
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attrs.DisplayName = ua.LocalizedText(qname.Name) |
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attrs.DataType = datatype |
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attrs.IsAbstract = False |
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attrs.WriteMask = 0 |
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attrs.UserWriteMask = 0 |
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addnode.NodeAttributes = attrs |
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results = parent.server.add_nodes([addnode]) |
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results[0].StatusCode.check() |
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return results[0].AddedNodeId |
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def create_reference_type(parent, nodeid, bname): |
FreeOpcUa /
python-opcua
