simulator.py 文件源码

def close(self):
        """Close the simulation, freeing resources.

        Notes
        -----
        The simulation cannot be restarted after it is closed.  This is not a
        technical limitation, just a design decision made for all Nengo
        simulators.
        """

        if not self.closed:
            # note: we use getattr in case it crashes before the object is
            # created
            if getattr(self, "sess", None) is not None:
                self.sess.close()
            self.sess = None

            if getattr(self, "summary", None) is not None:
                self.summary.close()

            self.closed = True