server.py 文件源码

def warm_cache(self):
        """
        Collects all dialog in your manifest and stores them in the cache
        directory as well as creating entries in the cache manifest.
        """
        rospy.loginfo('Warming speech cache...')
        m = rospy.get_param('/needybot/speech/dialog')
        for k, v in m.iteritems():
            goal = SpeechGoal(key=k)
            gen = self.generate_cache_payload(goal)
            payload = self.fetch_from_cache(k, gen.get('hash'))
            if payload is None:
                payload = gen
                if self.validate_payload(payload):
                    self.add_to_cache(payload)
                    self.generate_raw_speech(payload)
                else:
                    raise TypeError('Invalid payload send to speech server')
        rospy.loginfo('Speech cache is ready.')
        self.warmed_pub.publish()