engine.py 文件源码

def determine_intent(self, utterance, num_results=1):
        """
        Given an utterance, provide a valid intent.

        :param utterance: an ascii or unicode string representing natural language speech

        :param num_results: a maximum number of results to be returned.

        :return: A generator the yields dictionaries.
        """
        intents = []
        for domain in self.domains:
            gen = self.domains[domain].determine_intent(utterance=utterance,
                                                        num_results=1)
            for intent in gen:
                intents.append(intent)

        heapq.nlargest(
            num_results, intents, key=lambda domain: domain['confidence'])
        for intent in intents:
            yield intent