示例#1
0
def instantiate(parent,
                node_type,
                nodeid=None,
                bname=None,
                dname=None,
                idx=0,
                instantiate_optional=True):
    """
    instantiate a node type under a parent node.
    nodeid and browse name of new node can be specified, or just namespace index
    If they exists children of the node type, such as components, variables and
    properties are also instantiated
    """
    rdesc = _rdesc_from_node(parent, node_type)
    rdesc.TypeDefinition = node_type.nodeid

    if nodeid is None:
        nodeid = ua.NodeId(
            namespaceidx=idx
        )  # will trigger automatic node generation in namespace idx
    if bname is None:
        bname = rdesc.BrowseName
    elif isinstance(bname, str):
        bname = ua.QualifiedName.from_string(bname)

    nodeids = _instantiate_node(parent.server,
                                Node(parent.server, rdesc.NodeId),
                                parent.nodeid,
                                rdesc,
                                nodeid,
                                bname,
                                dname=dname,
                                instantiate_optional=instantiate_optional)
    return [Node(parent.server, nid) for nid in nodeids]
示例#2
0
def instantiate(parent, node_type, nodeid=None, bname=None, dname=None, idx=0, instantiate_optional=True):
    """
    instantiate a node type under a parent node.
    nodeid and browse name of new node can be specified, or just namespace index
    If they exists children of the node type, such as components, variables and
    properties are also instantiated
    """
    rdesc = _rdesc_from_node(parent, node_type)
    rdesc.TypeDefinition = node_type.nodeid

    if nodeid is None:
        nodeid = ua.NodeId(namespaceidx=idx)  # will trigger automatic node generation in namespace idx
    if bname is None:
        bname = rdesc.BrowseName
    elif isinstance(bname, str):
        bname = ua.QualifiedName.from_string(bname)

    nodeids = _instantiate_node(
        parent.server,
        Node(parent.server, rdesc.NodeId),
        parent.nodeid,
        rdesc,
        nodeid,
        bname,
        dname=dname,
        instantiate_optional=instantiate_optional)
    return [Node(parent.server, nid) for nid in nodeids]