easyevent.py 文件源码

def dispatch_event(self, event):
        """ Dispatch a launched event to all affected listeners.
        @param event: Event launched.
        @type event: C{L{Event}}
        """
        if event.type in self.listeners and self.listeners[event.type]:
            for obj in self.listeners[event.type]:
                # Try to call event-specific handle method
                fctname = obj.event_pattern %(event.type)
                if hasattr(obj, fctname):
                    function = getattr(obj, fctname)
                    if callable(function):
                        if dispatcher == 'gobject':
                            import gobject
                            gobject.idle_add(function, event, priority=gobject.PRIORITY_HIGH)
                        elif dispatcher == 'callback':
                            function(event)
                        continue
                    else:
                        logger.warning('Event-specific handler found but not callable.')
                # Try to call default handle method
                if hasattr(obj, obj.event_default):
                    function = getattr(obj, obj.event_default)
                    if callable(function):
                        if dispatcher == 'gobject':
                            import gobject
                            gobject.idle_add(function, event, priority=gobject.PRIORITY_HIGH)
                        elif dispatcher == 'callback':
                            function(event)
                        continue
                # No handle method found, raise error ?
                if not obj.event_silent:
                    raise UnhandledEventError('%s has no method to handle %s' %(obj, event))
        else:
            #logger.warning('No listener for the event type %r.', event.type)
            pass