server.interfaces.AbstractCallable

class documentation

class AbstractCallable(AbstractUaObject):

Known subclasses: server.interfaces.AbstractMethod, server.interfaces.AbstractSkill

Callable interface, shared base for AbstractSkill and AbstractMethod.

Async Method	`_condition_access_allowed`	Check if the provided `user` has access to this skill.
Async Method	`_condition_dependencies_ready`	Check whether ALL dependencies are ready (different meaning for different types).
Async Method	`_condition_startup_completed`	Check whether the parent component/machine startup is completed.

Inherited from AbstractUaObject:

Method	`access_allowed`	Check whether `user` is currently allowed access to this `UaObject`.
Async Method	`condition_as_dependency_ready`	Check whether this object is ready as a dependency in composite skills, etc.
Property	`full_name`	Return the full name including the names of all parents, separated by '/'.
Property	`lock`	`Lock` instance protecting this `UaObject`.
Property	`logger`	Logger associated with the `UaObject` instance.
Property	`name`	Name of the UaObject.
Property	`path`	Return the full path of the object.
Property	`server`	Server instance.
Property	`ua_node`	Raw OPC UA node.

@abstractmethod

async def _condition_access_allowed(self, user: UserAuthorization) -> bool: ¶

Check if the provided user has access to this skill.

The User must either be an admin (asyncua internal user), or must own the Lock protecting this skill and a current access level greater or equal to this skill's minimum access level.

@abstractmethod

async def _condition_dependencies_ready(self, _user: UserAuthorization) -> bool: ¶

Check whether ALL dependencies are ready (different meaning for different types).

Returns
`bool`	Always `True`, else an exception is raised.

Raises
`UaStatusCodeError`	If any dependency is not ready.

@abstractmethod

async def _condition_startup_completed(self, user: UserAuthorization) -> bool: ¶

Check whether the parent component/machine startup is completed.