Beispiel #1
0
def dump_latent(model, data_feed, config, dest_f, num_batch=1):
    model.eval()
    de_tknize = utils.get_dekenize()
    data_feed.epoch_init(config, verbose=False, shuffle=False)
    logger.info("Dumping: {} batches".format(
        data_feed.num_batch if num_batch is None else num_batch))
    all_zs = []
    all_labels = []
    all_metas = []
    while True:
        batch = data_feed.next_batch()
        if batch is None or (num_batch is not None
                             and data_feed.ptr > num_batch):
            break
        results = model(batch, mode=TEACH_FORCE, return_latent=True)

        labels = batch.outputs
        metas = batch.metas
        log_qy = results.log_qy.cpu().squeeze(0).data
        y_ids = results.y_ids.cpu().data
        dec_init = results.dec_init_state.cpu().squeeze().data

        for b_id in range(labels.shape[0]):
            true_str, _ = engine.get_sent(model, de_tknize, labels, b_id)
            all_labels.append(true_str)
            all_metas.append(metas[b_id])

        all_zs.append((log_qy.numpy(), dec_init.numpy(), y_ids.numpy()))

    pickle.dump({
        'z': all_zs,
        'labels': all_labels,
        "metas": all_metas
    }, dest_f)
    logger.info("Dumping Done")
Beispiel #2
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def selective_generate(model, data_feed, config, selected_clusters):
    model.eval()
    de_tknize = utils.get_dekenize()
    data_feed.epoch_init(config, shuffle=False, verbose=False)
    # get all code
    codes = set([d['code'] for d in selected_clusters])

    logger.info("Generation: {} batches".format(data_feed.num_batch))
    data = []
    total_cnt = 0.0
    in_cnt = 0.0

    while True:
        batch = data_feed.next_batch()
        if batch is None:
            break
        outputs, labels = model(batch, mode=GEN, gen_type=config.gen_type)
        # move from GPU to CPU
        pred_labels = [
            t.cpu().data.numpy() for t in outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        pred_labels = np.array(pred_labels,
                               dtype=int).squeeze(-1).swapaxes(0, 1)
        true_labels = labels.cpu().data.numpy()
        y_ids = outputs[DecoderRNN.KEY_LATENT].cpu().data.numpy()
        if config.gmm:
            pass
        else:
            y_ids = y_ids.reshape(-1, config.latent_size)
        ctx = batch.get('contexts')
        ctx_size = ctx.shape[1]

        for b_id in range(pred_labels.shape[0]):
            y_id = map(str, y_ids[b_id])
            code = '-'.join(y_id)
            total_cnt += 1
            if code in codes:
                pred_str, attn = engine.get_sent(model,
                                                 de_tknize,
                                                 pred_labels,
                                                 b_id,
                                                 attn=None)
                ctx_str = []
                for i in range(ctx_size):
                    temp, _ = engine.get_sent(model, de_tknize, ctx[:, i, 1:],
                                              b_id)
                    ctx_str.append(temp)
                ctx_str = '<t>'.join(ctx_str)
                true_str, _ = engine.get_sent(model, de_tknize, true_labels,
                                              b_id)
                in_cnt += 1
                data.append({
                    'context': ctx_str,
                    'target': true_str,
                    'predict': pred_str,
                    'code': code
                })

    logger.info("In rate {}".format(in_cnt / total_cnt))
    return data
Beispiel #3
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def generate(model, data_feed, config, evaluator, num_batch=1, dest_f=None):
    model.eval()
    old_batch_size = config.batch_size

    if num_batch != None:
        config.batch_size = 5

    de_tknize = utils.get_dekenize()
    data_feed.epoch_init(config, shuffle=False, verbose=False)
    config.batch_size = old_batch_size

    evaluator.initialize()
    logger.info("Generation: {} batches".format(
        data_feed.num_batch if num_batch is None else num_batch))

    def write(msg):
        if dest_f is None:
            logger.info(msg)
        else:
            dest_f.write(msg + '\n')

    while True:
        batch = data_feed.next_batch()
        if batch is None or (num_batch is not None
                             and data_feed.ptr > num_batch):
            break
        outputs, labels = model(batch, mode=GEN, gen_type=config.gen_type)
        prev_outputs, next_outputs = outputs
        prev_labels, next_labels = labels
        cur_labels = batch.get('outputs')

        prev_labels = prev_labels.cpu().data.numpy()
        next_labels = next_labels.cpu().data.numpy()

        prev_pred = [
            t.cpu().data.numpy() for t in prev_outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        prev_pred = np.array(prev_pred, dtype=int).squeeze(-1).swapaxes(0, 1)

        next_pred = [
            t.cpu().data.numpy() for t in next_outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        next_pred = np.array(next_pred, dtype=int).squeeze(-1).swapaxes(0, 1)

        for b_id in range(cur_labels.shape[0]):
            ctx_str, _ = engine.get_sent(model, de_tknize, cur_labels, b_id)
            prev_true_str, _ = engine.get_sent(model, de_tknize, prev_labels,
                                               b_id)
            next_true_str, _ = engine.get_sent(model, de_tknize, next_labels,
                                               b_id)

            pred_prev_str, _ = engine.get_sent(model, de_tknize, prev_pred,
                                               b_id)
            pred_next_str, _ = engine.get_sent(model, de_tknize, next_pred,
                                               b_id)

            evaluator.add_example(prev_true_str, pred_prev_str)
            evaluator.add_example(next_true_str, pred_next_str)

            write("Response: {}".format(ctx_str))
            write("Prev Target: {}".format(prev_true_str))
            write("Prev Predict: {}".format(pred_prev_str))
            write("Next Target: {}".format(next_true_str))
            write("Next Predict: {}\n".format(pred_next_str))

    if dest_f is None:
        logging.info(evaluator.get_report(include_error=dest_f is not None))
    else:
        dest_f.write(evaluator.get_report(include_error=dest_f is not None))
    logger.info("Generation Done")
Beispiel #4
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def gen_with_source(model, data_feed, config, num_batch=1, dest_f=None):
    model.eval()
    old_batch_size = config.batch_size
    if num_batch != None:
        config.batch_size = 3

    de_tknize = utils.get_dekenize()
    data_feed.epoch_init(config, shuffle=False, verbose=False)

    logger.info("Generation: {} batches".format(
        data_feed.num_batch if num_batch is None else num_batch))
    print_cnt = 0
    sample_n = 5

    def write(msg):
        if dest_f is None:
            logger.info(msg)
        else:
            dest_f.write(msg + '\n')

    while True:
        batch = data_feed.next_batch()
        if batch is None or (num_batch is not None
                             and data_feed.ptr > num_batch):
            break

        sample_outputs, _ = model(batch,
                                  mode=GEN,
                                  gen_type="sample",
                                  sample_n=sample_n)
        greedy_outputs, labels = model(batch,
                                       mode=GEN,
                                       gen_type="greedy",
                                       sample_n=sample_n)

        # move from GPU to CPU
        labels = labels.cpu()
        sample_labels = [
            t.cpu().data.numpy()
            for t in sample_outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        greedy_labels = [
            t.cpu().data.numpy()
            for t in greedy_outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        log_py = greedy_outputs[DecoderRNN.KEY_POLICY]

        greedy_y_ids = greedy_outputs[DecoderRNN.KEY_LATENT].cpu().data.numpy()
        sample_y_ids = sample_outputs[DecoderRNN.KEY_LATENT].cpu().data.numpy()

        sample_labels = np.array(sample_labels,
                                 dtype=int).squeeze(-1).swapaxes(0, 1)
        greedy_labels = np.array(greedy_labels,
                                 dtype=int).squeeze(-1).swapaxes(0, 1)
        true_labels = labels.data.numpy()

        for b_id in range(true_labels.shape[0]):
            ctx_str, _ = engine.get_sent(model, de_tknize, batch.get('source'),
                                         b_id)

            true_str, _ = engine.get_sent(model, de_tknize, true_labels, b_id)
            print_cnt += 1
            write("Source: {}".format(ctx_str))
            write("Target: {}".format(true_str))
            for n_id in range(sample_n):
                pred_str, attn = engine.get_sent(
                    model, de_tknize, greedy_labels,
                    b_id + config.batch_size * n_id)
                code = map(str, greedy_y_ids[b_id + config.batch_size * n_id])
                write("Sample Z ({}): {}".format(" ".join(code), pred_str))
            for n_id in range(sample_n):
                pred_str, attn = engine.get_sent(
                    model, de_tknize, sample_labels,
                    b_id + config.batch_size * n_id)
                code = map(str, sample_y_ids[b_id + config.batch_size * n_id])
                write("Sample W ({}): {}".format(" ".join(code), pred_str))
            write('\n')
    config.batch_size = old_batch_size

    logger.info("Generation Done\n")
Beispiel #5
0
def generate(model, data_feed, config, evaluator, num_batch=1, dest_f=None):
    model.eval()
    old_batch_size = config.batch_size

    if num_batch != None:
        config.batch_size = 5

    de_tknize = utils.get_dekenize()
    data_feed.epoch_init(config, shuffle=False, verbose=False)
    config.batch_size = old_batch_size

    evaluator.initialize()
    logger.info("Generation: {} batches".format(
        data_feed.num_batch if num_batch is None else num_batch))
    while True:
        batch = data_feed.next_batch()
        if batch is None or (num_batch is not None
                             and data_feed.ptr > num_batch):
            break
        outputs, labels = model(batch, mode=GEN, gen_type=config.gen_type)
        # move from GPU to CPU
        pred_labels = [
            t.cpu().data.numpy() for t in outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        pred_labels = np.array(pred_labels,
                               dtype=int).squeeze(-1).swapaxes(0, 1)
        true_labels = labels.cpu().data.numpy()
        # get attention if possible
        if config.use_attn:
            pred_attns = [
                t.cpu().data.numpy()
                for t in outputs[DecoderRNN.KEY_ATTN_SCORE]
            ]
            pred_attns = np.array(pred_attns,
                                  dtype=float).squeeze(2).swapaxes(0, 1)
        else:
            pred_attns = None

        if "contexts" in batch:
            ctx = batch.get('contexts')
            ctx_size = ctx.shape[1]
        elif "source" in batch:
            ctx = batch.get('source')
            ctx_size = 1
        else:
            raise ValueError("Not support source class. (contexts / source)")

        for b_id in range(pred_labels.shape[0]):
            pred_str, attn = engine.get_sent(model,
                                             de_tknize,
                                             pred_labels,
                                             b_id,
                                             attn=pred_attns)

            if "contexts" in batch:
                ctx_str = []
                for i in range(ctx_size):
                    temp, _ = engine.get_sent(model, de_tknize, ctx[:, i, 1:],
                                              b_id)
                    if temp:
                        ctx_str.append(temp)
                ctx_str = '<t>'.join(ctx_str)
            else:
                ctx_str, _ = engine.get_sent(model, de_tknize, ctx[:, 1:],
                                             b_id)
            true_str, _ = engine.get_sent(model, de_tknize, true_labels, b_id)

            evaluator.add_example(true_str, pred_str)

            if dest_f is None:
                logger.info("Source: {}".format(ctx_str))
                logger.info("Target: {}".format(true_str))
                logger.info("Predict: {}\n".format(pred_str))
            else:
                dest_f.write("Source: {}\n".format(ctx_str))
                dest_f.write("Target: {}\n".format(true_str))
                dest_f.write("Predict: {}\n\n".format(pred_str))
    if dest_f is None:
        logging.info(evaluator.get_report(include_error=dest_f is not None))
    else:
        dest_f.write(evaluator.get_report(include_error=dest_f is not None))
    logger.info("Generation Done")
Beispiel #6
0
def generate(model, data_feed, config, evaluator, num_batch=1, dest_f=None):
    model.eval()
    de_tknize = get_dekenize()

    def write(msg):
        if msg is None or msg == '':
            return
        if dest_f is None:
            logger.info(msg)
        else:
            dest_f.write(msg + '\n')

    data_feed.epoch_init(config, shuffle=num_batch is not None, verbose=False)
    evaluator.initialize()
    logger.info("Generation: {} batches".format(
        data_feed.num_batch if num_batch is None else num_batch))
    while True:
        batch = data_feed.next_batch()
        if batch is None or (num_batch is not None
                             and data_feed.ptr > num_batch):
            break
        outputs, labels = model(batch, mode=GEN, gen_type=config.gen_type)

        # move from GPU to CPU
        labels = labels.cpu()
        pred_labels = [
            t.cpu().data.numpy() for t in outputs[DecoderRNN.KEY_SEQUENCE]
        ]
        pred_labels = np.array(pred_labels,
                               dtype=int).squeeze(-1).swapaxes(0, 1)
        true_labels = labels.data.numpy()
        # get attention if possible
        if config.use_attn or config.use_ptr:
            pred_attns = [
                t.cpu().data.numpy()
                for t in outputs[DecoderRNN.KEY_ATTN_SCORE]
            ]
            pred_attns = np.array(pred_attns,
                                  dtype=float).squeeze(2).swapaxes(0, 1)
        else:
            pred_attns = None

        # get last 1 context
        ctx = batch.get('contexts')
        ctx_len = batch.get('context_lens')
        domains = batch.domains

        # logger.info the batch in String.
        for b_id in range(pred_labels.shape[0]):
            pred_str, attn = get_sent(model,
                                      de_tknize,
                                      pred_labels,
                                      b_id,
                                      attn=pred_attns)
            true_str, _ = get_sent(model, de_tknize, true_labels, b_id)
            prev_ctx = ""
            if ctx is not None:
                ctx_str, _ = get_sent(model, de_tknize,
                                      ctx[:, ctx_len[b_id] - 1, :], b_id)
                prev_ctx = "Source: {}".format(ctx_str)

            domain = domains[b_id]
            evaluator.add_example(true_str, pred_str, domain)
            if num_batch is None or num_batch <= 2:
                write(prev_ctx)
                write("{}:: True: {} ||| Pred: {}".format(
                    domain, true_str, pred_str))
                if attn:
                    write("[[{}]]".format(attn))

    write(evaluator.get_report(include_error=dest_f is not None))
    logger.info("Generation Done")