__init__.py 文件源码

def _get_customjs(self, change, p_name):
        """
        Returns a CustomJS callback that can be attached to send the
        widget state across the notebook comms.
        """
        data_template = "data = {{p_name: '{p_name}', value: cb_obj['{change}']}};"
        fetch_data = data_template.format(change=change, p_name=p_name)
        self_callback = JS_CALLBACK.format(comm_id=self.comm.id,
                                           timeout=self.timeout,
                                           debounce=self.debounce)
        js_callback = CustomJS(code=fetch_data+self_callback)
        return js_callback