Exemple #1
0
def read_data(source_path: str, word_alphabet: Alphabet, char_alphabet: Alphabet,
              pos_alphabet: Alphabet, chunk_alphabet: Alphabet, ner_alphabet: Alphabet,
              max_size=None, normalize_digits=True):
    data = []
    max_length = 0
    max_char_length = 0
    print('Reading data from %s' % source_path)
    counter = 0
    reader = CoNLL03Reader(source_path, word_alphabet, char_alphabet, pos_alphabet, chunk_alphabet, ner_alphabet)
    inst = reader.getNext(normalize_digits)
    while inst is not None and (not max_size or counter < max_size):
        counter += 1
        if counter % 10000 == 0:
            print("reading data: %d" % counter)

        sent = inst.sentence
        data.append([sent.word_ids, sent.char_id_seqs, inst.pos_ids, inst.chunk_ids, inst.ner_ids])
        max_len = max([len(char_seq) for char_seq in sent.char_seqs])
        if max_char_length < max_len:
            max_char_length = max_len
        if max_length < inst.length():
            max_length = inst.length()
        inst = reader.getNext(normalize_digits)
    reader.close()
    print("Total number of data: %d" % counter)

    data_size = len(data)
    char_length = min(MAX_CHAR_LENGTH, max_char_length)
    wid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    cid_inputs = np.empty([data_size, max_length, char_length], dtype=np.int64)
    pid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    chid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    nid_inputs = np.empty([data_size, max_length], dtype=np.int64)

    masks = np.zeros([data_size, max_length], dtype=np.float32)
    single = np.zeros([data_size, max_length], dtype=np.int64)
    lengths = np.empty(data_size, dtype=np.int64)

    for i, inst in enumerate(data):
        wids, cid_seqs, pids, chids, nids = inst
        inst_size = len(wids)
        lengths[i] = inst_size
        # word ids
        wid_inputs[i, :inst_size] = wids
        wid_inputs[i, inst_size:] = PAD_ID_WORD
        for c, cids in enumerate(cid_seqs):
            cid_inputs[i, c, :len(cids)] = cids
            cid_inputs[i, c, len(cids):] = PAD_ID_CHAR
        cid_inputs[i, inst_size:, :] = PAD_ID_CHAR
        # pos ids
        pid_inputs[i, :inst_size] = pids
        pid_inputs[i, inst_size:] = PAD_ID_TAG
        # chunk ids
        chid_inputs[i, :inst_size] = chids
        chid_inputs[i, inst_size:] = PAD_ID_TAG
        # ner ids
        nid_inputs[i, :inst_size] = nids
        nid_inputs[i, inst_size:] = PAD_ID_TAG
        # masks
        masks[i, :inst_size] = 1.0
        for j, wid in enumerate(wids):
            if word_alphabet.is_singleton(wid):
                single[i, j] = 1

    words = torch.from_numpy(wid_inputs)
    chars = torch.from_numpy(cid_inputs)
    pos = torch.from_numpy(pid_inputs)
    chunks = torch.from_numpy(chid_inputs)
    ners = torch.from_numpy(nid_inputs)
    masks = torch.from_numpy(masks)
    single = torch.from_numpy(single)
    lengths = torch.from_numpy(lengths)

    data_tensor = {'WORD': words, 'CHAR': chars, 'POS': pos, 'CHUNK': chunks,
                   'NER': ners, 'MASK': masks, 'SINGLE': single, 'LENGTH': lengths}
    return data_tensor, data_size
Exemple #2
0
def read_bucketed_data(source_path: str,
                       word_alphabet: Alphabet,
                       char_alphabet: Alphabet,
                       pos_alphabet: Alphabet,
                       type_alphabet: Alphabet,
                       max_size=None,
                       normalize_digits=True,
                       symbolic_root=False,
                       symbolic_end=False):
    data = [[] for _ in _buckets]
    max_char_length = [0 for _ in _buckets]
    print('Reading data from %s' % source_path)
    counter = 0
    reader = CoNLLXReader(source_path, word_alphabet, char_alphabet,
                          pos_alphabet, type_alphabet)
    inst = reader.getNext(normalize_digits=normalize_digits,
                          symbolic_root=symbolic_root,
                          symbolic_end=symbolic_end)
    while inst is not None and (not max_size or counter < max_size):
        counter += 1
        if counter % 10000 == 0:
            print("reading data: %d" % counter)

        inst_size = inst.length()
        sent = inst.sentence
        for bucket_id, bucket_size in enumerate(_buckets):
            if inst_size < bucket_size:
                data[bucket_id].append([
                    sent.word_ids, sent.char_id_seqs, inst.pos_ids, inst.heads,
                    inst.type_ids
                ])
                max_len = max([len(char_seq) for char_seq in sent.char_seqs])
                if max_char_length[bucket_id] < max_len:
                    max_char_length[bucket_id] = max_len
                break

        inst = reader.getNext(normalize_digits=normalize_digits,
                              symbolic_root=symbolic_root,
                              symbolic_end=symbolic_end)
    reader.close()
    print("Total number of data: %d" % counter)

    bucket_sizes = [len(data[b]) for b in range(len(_buckets))]
    data_tensors = []
    for bucket_id in range(len(_buckets)):
        bucket_size = bucket_sizes[bucket_id]
        if bucket_size == 0:
            data_tensors.append((1, 1))
            continue

        bucket_length = _buckets[bucket_id]
        char_length = min(MAX_CHAR_LENGTH, max_char_length[bucket_id])
        wid_inputs = np.empty([bucket_size, bucket_length], dtype=np.int64)
        cid_inputs = np.empty([bucket_size, bucket_length, char_length],
                              dtype=np.int64)
        pid_inputs = np.empty([bucket_size, bucket_length], dtype=np.int64)
        hid_inputs = np.empty([bucket_size, bucket_length], dtype=np.int64)
        tid_inputs = np.empty([bucket_size, bucket_length], dtype=np.int64)

        masks = np.zeros([bucket_size, bucket_length], dtype=np.float32)
        single = np.zeros([bucket_size, bucket_length], dtype=np.int64)
        lengths = np.empty(bucket_size, dtype=np.int64)

        for i, inst in enumerate(data[bucket_id]):
            wids, cid_seqs, pids, hids, tids = inst
            inst_size = len(wids)
            lengths[i] = inst_size
            # word ids
            wid_inputs[i, :inst_size] = wids
            wid_inputs[i, inst_size:] = PAD_ID_WORD
            for c, cids in enumerate(cid_seqs):
                cid_inputs[i, c, :len(cids)] = cids
                cid_inputs[i, c, len(cids):] = PAD_ID_CHAR
            cid_inputs[i, inst_size:, :] = PAD_ID_CHAR
            # pos ids
            pid_inputs[i, :inst_size] = pids
            pid_inputs[i, inst_size:] = PAD_ID_TAG
            # type ids
            tid_inputs[i, :inst_size] = tids
            tid_inputs[i, inst_size:] = PAD_ID_TAG
            # heads
            hid_inputs[i, :inst_size] = hids
            hid_inputs[i, inst_size:] = PAD_ID_TAG
            # masks
            masks[i, :inst_size] = 1.0
            for j, wid in enumerate(wids):
                if word_alphabet.is_singleton(wid):
                    single[i, j] = 1

        words = torch.from_numpy(wid_inputs)
        chars = torch.from_numpy(cid_inputs)
        pos = torch.from_numpy(pid_inputs)
        heads = torch.from_numpy(hid_inputs)
        types = torch.from_numpy(tid_inputs)
        masks = torch.from_numpy(masks)
        single = torch.from_numpy(single)
        lengths = torch.from_numpy(lengths)

        data_tensor = {
            'WORD': words,
            'CHAR': chars,
            'POS': pos,
            'HEAD': heads,
            'TYPE': types,
            'MASK': masks,
            'SINGLE': single,
            'LENGTH': lengths
        }
        data_tensors.append(data_tensor)
    return data_tensors, bucket_sizes
def read_data(source_path: str, word_alphabet: Alphabet, char_alphabet: Alphabet, pos_alphabet: Alphabet, type_alphabet: Alphabet,
              max_size=None, normalize_digits=True, symbolic_root=False, symbolic_end=False):
    data = []
    max_length = 0
    max_char_length = 0
    print('Reading data from %s' % source_path)
    counter = 0
    data_tensors = []
    reader = CoNLLXReader(source_path, word_alphabet, char_alphabet, pos_alphabet, type_alphabet)
    inst = reader.getNext(normalize_digits=normalize_digits, symbolic_root=symbolic_root, symbolic_end=symbolic_end)
    while inst is not None and (not max_size or counter < max_size):
        counter += 1
        if counter % 10000 == 0:
            print("reading data: %d" % counter)

        sent = inst.sentence
        data.append([sent.bert_ids, sent.sub_idx, sent.word_ids, sent.char_id_seqs, inst.pos_ids, inst.heads, inst.type_ids])
        max_len = max([len(char_seq) for char_seq in sent.char_seqs])
        if max_char_length < max_len:
            max_char_length = max_len
        if max_length < inst.length():
            max_length = inst.length()
        inst = reader.getNext(normalize_digits=normalize_digits, symbolic_root=symbolic_root, symbolic_end=symbolic_end)
    reader.close()
    print("Total number of data: %d" % counter)

    data_size = len(data)
    char_length = min(MAX_CHAR_LENGTH, max_char_length)
    bert_wid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    subword_word_indicator = np.empty([data_size, max_length], dtype=np.int64)
    wid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    cid_inputs = np.empty([data_size, max_length, char_length], dtype=np.int64)
    pid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    hid_inputs = np.empty([data_size, max_length], dtype=np.int64)
    tid_inputs = np.empty([data_size, max_length], dtype=np.int64)

    masks = np.zeros([data_size, max_length], dtype=np.float32)
    single = np.zeros([data_size, max_length], dtype=np.int64)
    lengths = np.empty(data_size, dtype=np.int64)
    bert_lengths = np.empty(data_size, dtype=np.int64)

    for i, inst in enumerate(data):
        bert_wids, subword_ids, wids, cid_seqs, pids, hids, tids = inst
        inst_size = len(wids)
        bpe_st_size = len(bert_wids)
        lengths[i] = inst_size
        bert_lengths[i] = bpe_st_size
        # word ids
        wid_inputs[i, :inst_size] = wids
        wid_inputs[i, inst_size:] = PAD_ID_WORD
        # bert ids
        bert_wid_inputs[i, :bpe_st_size] = bert_wids
        bert_wid_inputs[i, bpe_st_size:] = 0
        # subword
        subword_word_indicator[i, :len(subword_ids)] = subword_ids
        subword_word_indicator[i, len(subword_ids):] = 0
        for c, cids in enumerate(cid_seqs):
            cid_inputs[i, c, :len(cids)] = cids
            cid_inputs[i, c, len(cids):] = PAD_ID_CHAR
        cid_inputs[i, inst_size:, :] = PAD_ID_CHAR
        # pos ids
        pid_inputs[i, :inst_size] = pids
        pid_inputs[i, inst_size:] = PAD_ID_TAG
        # type ids
        tid_inputs[i, :inst_size] = tids
        tid_inputs[i, inst_size:] = PAD_ID_TAG
        # heads
        hid_inputs[i, :inst_size] = hids
        hid_inputs[i, inst_size:] = PAD_ID_TAG
        # masks
        masks[i, :inst_size] = 1.0
        for j, wid in enumerate(wids):
            if word_alphabet.is_singleton(wid):
                single[i, j] = 1
    bert_wid_inputs = torch.from_numpy(bert_wid_inputs)
    words = torch.from_numpy(wid_inputs)
    chars = torch.from_numpy(cid_inputs)
    pos = torch.from_numpy(pid_inputs)
    heads = torch.from_numpy(hid_inputs)
    types = torch.from_numpy(tid_inputs)
    masks = torch.from_numpy(masks)
    single = torch.from_numpy(single)
    lengths = torch.from_numpy(lengths)
    bert_lengths = torch.from_numpy(bert_lengths)
    subword_word_indicator = torch.from_numpy(subword_word_indicator)
    data_tensor = {'WORD': words, 'CHAR': chars, 'POS': pos, 'HEAD': heads, 'TYPE': types,
                   'MASK': masks, 'SINGLE': single, 'LENGTH': lengths, 'BERT_LENGTH': bert_lengths,
                   'BERT_WORD': bert_wid_inputs, 'SUB_IDX': subword_word_indicator}

    return data_tensor, data_size