6ef52533f725bf13c731b02d413ff62399b25358,bokeh/model.py,Model,js_on_event,#Model#Any#,367

Before Change

        if not isinstance(event, str) and issubclass(event, Event):
            event = event.event_name

        if event not in self.js_event_callbacks:
            self.js_event_callbacks[event] = []

        for callback in callbacks:
            if callback in self.js_event_callbacks[event]:
                continue
            self.js_event_callbacks[event].append(callback)

After Change

        if not isinstance(event, str) and issubclass(event, Event):
            event = event.event_name

        old_callbacks = self.js_event_callbacks.get("event", [])
        new_callbacks = [ callback for callback in callbacks if callback not in old_callbacks ]

        self.js_event_callbacks[event] = old_callbacks + new_callbacks

    def js_link(self, attr, other, other_attr, attr_selector=None):
        """ Link two Bokeh model properties using JavaScript.

Instances