core.base_server.BaseServer

class documentation

class BaseServer(Generic[_UaObjectType]):

Base class for both client RemoteServer and server Server.

Method	`__init__`	Cooperative constructor.
Method	`get_ua_object`	Return the `UaObject` which corresponds to the given `ua_node`.
Method	`get_ua_object_optional`	Return the `UaObject` which corresponds to the given `ua_node` or `None`.
Method	`register_ua_object`	Register the given `UaObject` to the server.
Method	`ua_get_namespace_index`	Return the namespace index for the given namespace `uri`.
Method	`ua_get_node_id`	Return the complete OPC UA node ID for the given `identifier`.
Method	`unregister_ua_object`	Unregister the given `UaObject` from the server.
Instance Variable	`_namespace_map`	Undocumented
Instance Variable	`_ua_objects`	Maps OPC UA nodes to UaObjects with weak references.

def __init__(self, **kwargs): ¶

Cooperative constructor.

def get_ua_object(self, ua_node_id: ua.NodeId) -> _UaObjectType: ¶

Return the UaObject which corresponds to the given ua_node.

Raises
`KeyError`	If no `UaObject` is found.

def get_ua_object_optional(self, ua_node_id: ua.NodeId) -> _UaObjectType | None: ¶

Return the UaObject which corresponds to the given ua_node or None.

def register_ua_object(self, ua_object: _UaObjectType): ¶

def ua_get_namespace_index(self, uri: str | type[NamespaceProvider]) -> ua.Int16: ¶

Return the namespace index for the given namespace uri.

Raises
`KeyError`	If the namespace URI is unknown.

def ua_get_node_id(self, identifier: NodeIdDefinition) -> ua.NodeId: ¶

Return the complete OPC UA node ID for the given identifier.

Raises
`KeyError`	If the namespace URI of the identifier is unknown.

def unregister_ua_object(self, ua_object: _UaObjectType): ¶

Unregister the given UaObject from the server.

_namespace_map: dict[str, int] = ¶

Undocumented

_ua_objects: WeakValueDictionary[ua.NodeId, _UaObjectType] = ¶

Maps OPC UA nodes to UaObjects with weak references.