colour.utilities.Delegate

class colour.utilities.Delegate

Bases: object

Define a delegate allowing listeners to register and be notified of events.

Methods

• add_listener()

• remove_listener()

• notify()

__init__() → None

Return type:

None

add_listener(listener: Callable) → None

Add the given listener to the delegate.

Parameters:

listener (Callable) – Callable listening to the delegate notifications.

Return type:

None

remove_listener(listener: Callable) → None

Remove the given listener from the delegate.

Parameters:

listener (Callable) – Callable listening to the delegate notifications.

Return type:

None

notify(*args: Any, **kwargs: Any) → None

Notify the delegate listeners.

Parameters:

• args (Any)

• kwargs (Any)

Return type:

None

__weakref__

list of weak references to the object