Beispiel #1
0
def main(opt, device_id):
    opt = training_opt_postprocessing(opt, device_id)
    init_logger(opt.log_file)
    out_file = None
    best_test_score, best_ckpt = -10000, None
    dummy_parser = argparse.ArgumentParser(description='meta_dev_zs.py')
    opts.model_opts(dummy_parser)
    dummy_opt = dummy_parser.parse_known_args([])[0]

    for i in range(57, opt.meta_iterations * opt.inner_iterations + 57, 57 * 5):
        ckpt_path = '{}_epoch_{}.pt'.format(opt.save_model, i)
        logger.info('Loading checkpoint from %s' % ckpt_path)
        
        if out_file is None:
            out_file = codecs.open(opt.output, 'w+', 'utf-8')
        fields, model, model_opt = onmt.model_builder.load_test_model(opt, dummy_opt.__dict__, model_path=ckpt_path)

        scorer = onmt.translate.GNMTGlobalScorer(opt.alpha,
                                                opt.beta,
                                                opt.coverage_penalty,
                                                opt.length_penalty)

        kwargs = {k: getattr(opt, k)
                    for k in ["beam_size", "n_best", "max_length", "min_length",
                                "stepwise_penalty", "block_ngram_repeat",
                                "ignore_when_blocking", "dump_beam", "report_bleu",
                                "replace_unk", "gpu", "verbose", "fast", "mask_from"]}
        fields['graph'] = torchtext.data.Field(sequential = False)
        translator = Translator(model, fields, global_scorer=scorer,
                                out_file=out_file, report_score=False,
                                copy_attn=model_opt.copy_attn, logger=logger,
                                log_probs_out_file=None,
                                **kwargs)
        # make translation and save result
        all_scores, all_predictions = translator.translate(
            src_path='processed_data/meta-dev/' + opt.meta_dev_task + '/src-test.txt',
            tgt_path=None,
            src_dir=None,
            batch_size=opt.translate_batch_size,
            attn_debug=False)
        # dump predictions
        f = open('experiments/meta_dev/' + opt.meta_dev_task + '/test_predictions.csv', 'w', encoding='utf-8')
        f.write('smiles,property\n')
        for n_best_mols in all_predictions:
            for mol in n_best_mols:
                f.write(mol.replace(' ', '')+',0\n')
        f.close()
        # call chemprop to get scores
        test_path = '\"' + 'experiments/meta_dev/' + opt.meta_dev_task + '/test_predictions.csv' + '\"'
        checkpoint_path = '\"' + 'scorer_ckpts/' + opt.meta_dev_task + '/model.pt' + '\"'
        preds_path = '\"' + 'experiments/meta_dev/' + opt.meta_dev_task + '/test_scores.csv' + '\"'
        
        # in case of all mols are invalid (will produce not output file by chemprop)
        # the predictions are copied into score file
        cmd = 'cp {} {}'.format(test_path, preds_path)
        result = os.popen(cmd)
        result.close()

        cmd = 'python chemprop/predict.py --test_path {} --checkpoint_path {} --preds_path {} --num_workers 0'.format(test_path, checkpoint_path, preds_path)
        scorer_result = os.popen(cmd)
        # logger.info('{}'.format('\n'.join(scorer_result.readlines())))
        scorer_result.close()
        # read score file and get score

        score = read_score_csv('experiments/meta_dev/' + opt.meta_dev_task + '/test_scores.csv')
        
        assert len(score) % opt.beam_size == 0

        # report if it is the best on test
        test_metrics = calculate_metrics(opt.meta_dev_task, 'dev', 'test', score)
        logger.info('test metrics: ' + str(test_metrics))
        test_score = test_metrics['success_rate']
        if test_score > best_test_score:
            best_ckpt = ckpt_path
            logger.info('New best test success rate: {:.4f} by {}'.format(test_score, ckpt_path))
            best_test_score = test_score
        else:
            logger.info('test success rate: {:.4f} by {}'.format(test_score, ckpt_path))

        del model_opt
        del fields
        del model
        gc.collect()
Beispiel #2
0
def main(opt, device_id):
    opt = training_opt_postprocessing(opt, device_id)
    init_logger(opt.log_file)
    out_file = None
    best_test_score, best_ckpt = -10000, None
    dummy_parser = argparse.ArgumentParser(description='all_dev.py')
    opts.model_opts(dummy_parser)
    dummy_opt = dummy_parser.parse_known_args([])[0]
    for i in range(0, opt.train_epochs, 10):
        ckpt_path = '{}_epoch_{}.pt'.format(opt.save_model, i + 1)
        logger.info('Loading checkpoint from %s' % ckpt_path)
        checkpoint = torch.load(ckpt_path,
                                map_location=lambda storage, loc: storage)
        model_opt = checkpoint['opt']
        fields = load_fields_from_vocab(checkpoint['vocab'], data_type="text")

        # Build model.
        model = build_model(model_opt, opt, fields, checkpoint)

        assert opt.train_from == ''  # do not load optimizer state
        optim = build_optim(model, opt, checkpoint)
        # Build model saver, no need to create task dir for dev
        if not os.path.exists('experiments/all_dev'):
            os.mkdir('experiments/all_dev')
            os.mkdir('experiments/all_dev/' + opt.meta_dev_task)
        elif not os.path.exists('experiments/all_dev/' + opt.meta_dev_task):
            os.mkdir('experiments/all_dev/' + opt.meta_dev_task)
        model_saver = build_model_saver(
            model_opt, 'experiments/all_dev/' + opt.meta_dev_task + '/model',
            opt, model, fields, optim)

        trainer = build_trainer(opt,
                                device_id,
                                model,
                                fields,
                                optim,
                                "text",
                                model_saver=model_saver)

        train_iter = list(
            build_dataset_iter(lazily_load_dataset("train", opt), fields, opt))
        # do training on trainset of meta-dev task
        trainer.train(train_iter, opt.inner_iterations)

        # do evaluation on devset of meta-dev task
        best_dev_score, best_model_path = -10000, None
        for model_path in os.listdir('experiments/all_dev/' +
                                     opt.meta_dev_task):
            if model_path.find('.pt') == -1:
                continue
            if out_file is None:
                out_file = codecs.open(opt.output, 'w+', 'utf-8')

            fields, model, model_opt = onmt.model_builder.load_test_model(
                opt,
                dummy_opt.__dict__,
                model_path='experiments/all_dev/' + opt.meta_dev_task + '/' +
                model_path)

            scorer = onmt.translate.GNMTGlobalScorer(opt.alpha, opt.beta,
                                                     opt.coverage_penalty,
                                                     opt.length_penalty)

            kwargs = {
                k: getattr(opt, k)
                for k in [
                    "beam_size", "n_best", "max_length", "min_length",
                    "stepwise_penalty", "block_ngram_repeat",
                    "ignore_when_blocking", "dump_beam", "report_bleu",
                    "replace_unk", "gpu", "verbose", "fast", "mask_from"
                ]
            }
            fields['graph'] = torchtext.data.Field(sequential=False)
            translator = Translator(model,
                                    fields,
                                    global_scorer=scorer,
                                    out_file=out_file,
                                    report_score=False,
                                    copy_attn=model_opt.copy_attn,
                                    logger=logger,
                                    log_probs_out_file=None,
                                    **kwargs)
            # make translation and save result
            all_scores, all_predictions = translator.translate(
                src_path='processed_data/meta-dev/' + opt.meta_dev_task +
                '/src-dev.txt',
                tgt_path=None,
                src_dir=None,
                batch_size=opt.translate_batch_size,
                attn_debug=False)
            # dump predictions
            f = open('experiments/all_dev/' + opt.meta_dev_task +
                     '/dev_predictions.csv',
                     'w',
                     encoding='utf-8')
            f.write('smiles,property\n')
            for n_best_mols in all_predictions:
                for mol in n_best_mols:
                    f.write(mol.replace(' ', '') + ',0\n')
            f.close()
            # call chemprop to get scores
            test_path = '\"' + 'experiments/all_dev/' + opt.meta_dev_task + '/dev_predictions.csv' + '\"'
            checkpoint_path = '\"' + 'scorer_ckpts/' + opt.meta_dev_task + '/model.pt' + '\"'
            preds_path = '\"' + 'experiments/all_dev/' + opt.meta_dev_task + '/dev_scores.csv' + '\"'

            # in case of all mols are invalid (will produce not output file by chemprop)
            # the predictions are copied into score file
            cmd = 'cp {} {}'.format(test_path, preds_path)
            result = os.popen(cmd)
            result.close()

            cmd = 'python chemprop/predict.py --test_path {} --checkpoint_path {} --preds_path {} --num_workers 0'.format(
                test_path, checkpoint_path, preds_path)
            scorer_result = os.popen(cmd)
            scorer_result.close()
            # read score file and get score
            score = read_score_csv('experiments/all_dev/' + opt.meta_dev_task +
                                   '/dev_scores.csv')

            assert len(score) % opt.beam_size == 0
            # dev_scores = []
            # for i in range(0, len(score), opt.beam_size):
            #     dev_scores.append(sum([x[1] for x in score[i:i+opt.beam_size]]) / opt.beam_size)

            # report dev score
            dev_metrics = calculate_metrics(opt.meta_dev_task, 'dev', 'dev',
                                            score)
            logger.info('dev metrics: ' + str(dev_metrics))
            dev_score = dev_metrics['success_rate']
            if dev_score > best_dev_score:
                logger.info('New best dev success rate: {:.4f} by {}'.format(
                    dev_score, model_path))
                best_model_path = model_path
                best_dev_score = dev_score
            else:
                logger.info('dev success rate: {:.4f} by {}'.format(
                    dev_score, model_path))

            del fields
            del model
            del model_opt
            del scorer
            del translator
            gc.collect()

        assert best_model_path != None
        # do testing on testset of meta-dev task
        if out_file is None:
            out_file = codecs.open(opt.output, 'w+', 'utf-8')
        fields, model, model_opt = onmt.model_builder.load_test_model(
            opt,
            dummy_opt.__dict__,
            model_path='experiments/all_dev/' + opt.meta_dev_task + '/' +
            best_model_path)

        scorer = onmt.translate.GNMTGlobalScorer(opt.alpha, opt.beta,
                                                 opt.coverage_penalty,
                                                 opt.length_penalty)

        kwargs = {
            k: getattr(opt, k)
            for k in [
                "beam_size", "n_best", "max_length", "min_length",
                "stepwise_penalty", "block_ngram_repeat",
                "ignore_when_blocking", "dump_beam", "report_bleu",
                "replace_unk", "gpu", "verbose", "fast", "mask_from"
            ]
        }
        fields['graph'] = torchtext.data.Field(sequential=False)
        translator = Translator(model,
                                fields,
                                global_scorer=scorer,
                                out_file=out_file,
                                report_score=False,
                                copy_attn=model_opt.copy_attn,
                                logger=logger,
                                log_probs_out_file=None,
                                **kwargs)
        # make translation and save result
        all_scores, all_predictions = translator.translate(
            src_path='processed_data/meta-dev/' + opt.meta_dev_task +
            '/src-test.txt',
            tgt_path=None,
            src_dir=None,
            batch_size=opt.translate_batch_size,
            attn_debug=False)
        # dump predictions
        f = open('experiments/all_dev/' + opt.meta_dev_task +
                 '/test_predictions.csv',
                 'w',
                 encoding='utf-8')
        f.write('smiles,property\n')
        for n_best_mols in all_predictions:
            for mol in n_best_mols:
                f.write(mol.replace(' ', '') + ',0\n')
        f.close()
        # call chemprop to get scores
        test_path = '\"' + 'experiments/all_dev/' + opt.meta_dev_task + '/test_predictions.csv' + '\"'
        checkpoint_path = '\"' + 'scorer_ckpts/' + opt.meta_dev_task + '/model.pt' + '\"'
        preds_path = '\"' + 'experiments/all_dev/' + opt.meta_dev_task + '/test_scores.csv' + '\"'

        # in case of all mols are invalid (will produce not output file by chemprop)
        # the predictions are copied into score file
        cmd = 'cp {} {}'.format(test_path, preds_path)
        result = os.popen(cmd)
        result.close()

        cmd = 'python chemprop/predict.py --test_path {} --checkpoint_path {} --preds_path {} --num_workers 0'.format(
            test_path, checkpoint_path, preds_path)
        scorer_result = os.popen(cmd)
        # logger.info('{}'.format('\n'.join(scorer_result.readlines())))
        scorer_result.close()
        # read score file and get score

        score = read_score_csv('experiments/all_dev/' + opt.meta_dev_task +
                               '/test_scores.csv')

        assert len(score) % opt.beam_size == 0
        # test_scores = []
        # for i in range(0, len(score), opt.beam_size):
        #     test_scores.append(sum([x[1] for x in score[i:i+opt.beam_size]]) / opt.beam_size)

        # report if it is the best on test
        test_metrics = calculate_metrics(opt.meta_dev_task, 'dev', 'test',
                                         score)
        logger.info('test metrics: ' + str(test_metrics))
        test_score = test_metrics['success_rate']
        if test_score > best_test_score:
            best_ckpt = ckpt_path
            logger.info('New best test success rate: {:.4f} by {}'.format(
                test_score, ckpt_path))
            best_test_score = test_score
        else:
            logger.info('test success rate: {:.4f} by {}'.format(
                test_score, ckpt_path))

        del model_opt
        del fields
        del checkpoint
        del model
        del optim
        del model_saver
        del trainer
        gc.collect()