Exemplo n.º 1
0
    def decode(self):
        start = time.time()
        counter = 0
        batch = self.batcher.next_batch()
        while batch is not None:
            # Run beam search to get best Hypothesis
            best_summary = self.beam_search(batch)

            # Extract the output ids from the hypothesis and convert back to words
            output_ids = [int(t) for t in best_summary.tokens[1:]]
            decoded_words = data.outputids2words(output_ids, self.vocab,
                                                 (batch.art_oovs[0] if config.pointer_gen else None))

            # Remove the [STOP] token from decoded_words, if necessary
            try:
                fst_stop_idx = decoded_words.index(data.STOP_DECODING)
                decoded_words = decoded_words[:fst_stop_idx]
            except ValueError:
                decoded_words = decoded_words

            original_abstract_sents = batch.original_abstracts_sents[0]

            write_for_rouge(original_abstract_sents, decoded_words, counter,
                            self._rouge_ref_dir, self._rouge_dec_dir)
            counter += 1
            if counter % 1000 == 0:
                print('%d example in %d sec'%(counter, time.time() - start))
                start = time.time()

            batch = self.batcher.next_batch()

        print("Decoder has finished reading dataset for single_pass.")
        print("Now starting ROUGE eval...")
        results_dict = rouge_eval(self._rouge_ref_dir, self._rouge_dec_dir)
        rouge_log(results_dict, self._decode_dir)
Exemplo n.º 2
0
    def decode(self):
        start = time.time()
        counter = 0
        batch = self.batcher.next_batch()
        while batch is not None:
            # Run beam search to get best Hypothesis
            best_summary = self.beam_search(batch)

            # Extract the output ids from the hypothesis and convert back to words
            output_ids = [int(t) for t in best_summary.tokens[1:]]
            decoded_words = data.outputids2words(
                output_ids, self.vocab,
                (batch.art_oovs[0] if config.pointer_gen else None))

            # Remove the [STOP] token from decoded_words, if necessary
            try:
                fst_stop_idx = decoded_words.index(data.STOP_DECODING)
                decoded_words = decoded_words[:fst_stop_idx]
            except ValueError:
                decoded_words = decoded_words

            original_abstract_sents = batch.original_abstracts_sents[0]

            write_for_rouge(original_abstract_sents, decoded_words, counter,
                            self._rouge_ref_dir, self._rouge_dec_dir)
            counter += 1
            if counter % 1000 == 0:
                print('%d example in %d sec' % (counter, time.time() - start))
                start = time.time()

            batch = self.batcher.next_batch()

        print("Decoder has finished reading dataset for single_pass.")
        print("Now starting ROUGE eval...")
        results_dict = rouge_eval(self._rouge_ref_dir, self._rouge_dec_dir)
        rouge_log(results_dict, self._decode_dir)
Exemplo n.º 3
0
    def decode(self, data_fn):
        start = time.time()
        counter = 0
        batch = self.batcher.next_batch()
        while batch is not None:
            # Run beam search to get best Hypothesis
            # Here try to return the p_gen values
            best_summary = self.beam_search(batch)

            # Extract the output ids from the hypothesis and convert back to words
            output_ids = [int(t) for t in best_summary.tokens[1:]]
            decoded_words = data.outputids2words(
                output_ids, self.vocab,
                (batch.art_oovs[0] if config.pointer_gen else None))

            # Extract list of p_gen values without first value
            p_gens = best_summary.p_gens[1:]
            # Extract list of contexts values without first value
            #context_list = best_summary.context_list[1:]
            #there is no start for these ones
            final_dist_list = best_summary.final_dist_list[:]
            vocab_list = best_summary.vocab_list[:]

            # Remove the [STOP] token from decoded_words, if necessary
            try:
                fst_stop_idx = decoded_words.index(data.STOP_DECODING)
                decoded_words = decoded_words[:fst_stop_idx]
                p_gens = p_gens[:fst_stop_idx]
                #context_list = context_list [:fst_stop_idx]
                output_ids_nostop = output_ids[:fst_stop_idx]
                final_dist_list = final_dist_list[:fst_stop_idx]
                vocab_list = vocab_list[:fst_stop_idx]
            except ValueError:
                decoded_words = decoded_words

            original_abstract_sents = batch.original_abstracts_sents[0]

            write_for_rouge(original_abstract_sents, decoded_words, counter,
                            self._rouge_ref_dir, self._rouge_dec_dir)

            # analyze relation of pgen to the decoded words
            analyze_pgen(data_fn=data_fn,
                         vocab=self.vocab,
                         reference_sents=original_abstract_sents,
                         input_art_ids=batch.enc_batch,
                         oov_ids=batch.art_oovs[0],
                         decoded_word_ids=output_ids_nostop,
                         decoded_words=decoded_words,
                         final_dist=final_dist_list,
                         vocab_dist=vocab_list,
                         p_gens=p_gens)

            counter += 1
            if counter % 1000 == 0:
                print('%d example in %d sec' % (counter, time.time() - start))
                start = time.time()

            batch = self.batcher.next_batch()

        print("Decoder has finished reading dataset for single_pass.")
        print("Now starting ROUGE eval...")
        results_dict = rouge_eval(self._rouge_ref_dir, self._rouge_dec_dir)
        rouge_log(results_dict, self._decode_dir)