Dispatch

class specviz.core.comms.Dispatch

Bases: object

Central communications object for all events.

Methods Summary

register_event(name[, args])	Add an EventNode to the list of possible events
register_listener(name, func)	Add a listener to an event
unregister_listener(name, func)	Remove a listener from an event

Methods Documentation

register_event(name, args=None)

Add an EventNode to the list of possible events

Parameters:

• name (str) – The name of the event.
• args ([arg, ..]) – The list of keyword arguments this event will pass to its handlers.

register_listener(name, func)

Add a listener to an event

Parameters:

• name (str) – The event name to add the listener to.
• func (function) – The function that will be called when the is emitted

unregister_listener(name, func)

Remove a listener from an event

Parameters:

• name (str) – The event from wich the listener should be removed.
• func (function) – The function to be removed