tree_chart.py 文件源码

def _on_start(self, utterance):
        # do all on start things
        # maybe clear all chart data structures
        # maybe clear agenda data structures
        self.agenda.clear()
        tokenized_utterance = tokenizer(utterance)
        self.utter_len = self.settings.utter_len = len(tokenized_utterance)
        self.left_buckets = [set() for _ in xrange(self.utter_len+1)]
        self.right_buckets = [set() for _ in xrange(self.utter_len+1)]
        self.initialize_agenda(tokenized_utterance)
        # Buckets are over dot indices, so are len=1
        # self._print_buckets()