def trigger(self, *args, **kargs):
        """
        Execute all event handlers with optional arguments for the observable.
        """
        event = args[0]

        if isinstance(event, str) and ' ' in event:
            event = event.split(' ')  # split event names ...

        if isinstance(event, list):  # event is a list of events
            for each in event:
                self.events[each].trigger(*args[1:], **kargs)
        else:
            self.events[event].trigger(*args[1:], **kargs)
def trigger ( self , * args , ** kargs ) : event = args [ 0 ] if isinstance ( event , str ) and ' ' in event : event = event . split ( ' ' ) if isinstance ( event , list ) : for each in event : self . events [ each ] . trigger ( * args [ 1 : ] , ** kargs ) else : self . events [ event ] . trigger ( * args [ 1 : ] , ** kargs )
Execute all event handlers with optional arguments for the observable.