Method on_close

lib/matplotlib/backends/backend_nbagg.py:202–210

(self)

        return not (self._ext_close or self.comm._closed)

    def on_close(self):
        # When the socket is closed, deregister the websocket with
        # the FigureManager.
        if self.is_open():
            try:
                self.comm.close()
            except KeyError:
                # apparently already cleaned it up?
                pass

    def send_json(self, content):
        self.comm.send({'data': json.dumps(content)})