def make_data(path_root='../data/ag_news_csv.tgz',
ngrams=2,
vocab=None,
include_unk=False):
extracted_files = extract_archive(path_root)
for fname in extracted_files:
if fname.endswith('train.csv'):
train_csv_path = fname
if fname.endswith('test.csv'):
test_csv_path = fname
vocab = build_vocab_from_iterator(_csv_iterator(train_csv_path, ngrams))
logging.info('Vocab has {} entries'.format(len(vocab)))
logging.info('Creating training data')
train_data, train_labels = _create_data_from_iterator(
vocab, _csv_iterator(train_csv_path, ngrams, yield_cls=True),
include_unk)
logging.info('Creating testing data')
test_data, test_labels = _create_data_from_iterator(
vocab, _csv_iterator(test_csv_path, ngrams, yield_cls=True),
include_unk)
if len(train_labels ^ test_labels) > 0:
raise ValueError("Training and test labels don't match")
return (TextClassificationDataset(vocab, train_data, train_labels),
TextClassificationDataset(vocab, test_data, test_labels))
def _setup_datasets(root='.data', ngrams=1, vocab=None, include_unk=False):
file_list = os.listdir(root)
for fname in file_list:
if fname.endswith('DSL-TRAIN.txt'):
train_csv_path = os.path.join(root, fname)
if fname.endswith('DSL-TEST-GOLD.txt'):
test_csv_path = os.path.join(root, fname)
if vocab is None:
logging.info('Building Vocab based on {}'.format(train_csv_path))
vocab = build_vocab_from_iterator(_csv_iterator(
train_csv_path, ngrams))
else:
if not isinstance(vocab, Vocab):
raise TypeError("Passed vocabulary is not of type Vocab")
logging.info('Vocab has {} entries'.format(len(vocab)))
logging.info('Creating training data')
train_data, train_labels = _create_data_from_iterator(
vocab, _csv_iterator(train_csv_path, ngrams, yield_cls=True),
include_unk)
logging.info('Creating testing data')
test_data, test_labels = _create_data_from_iterator(
vocab, _csv_iterator(test_csv_path, ngrams, yield_cls=True),
include_unk)
if len(train_labels ^ test_labels) > 0:
raise ValueError("Training and test labels don't match")
return (TextClassificationDataset(vocab, train_data, train_labels),
TextClassificationDataset(vocab, test_data, test_labels))
def _setup_datasets(dataset_name,
root='.data',
ngrams=1,
vocab=None,
include_unk=False):
#dataset_tar = download_from_url(URLS[dataset_name], root=root)
extracted_files = extract_archive('.data/ag_news_csv.tar.gz')
for fname in extracted_files:
if fname.endswith('train.csv'):
train_csv_path = fname
if fname.endswith('test.csv'):
test_csv_path = fname
if vocab is None:
print('Building Vocab based on {}'.format(train_csv_path))
vocab = build_vocab_from_iterator(_csv_iterator(
train_csv_path, ngrams))
else:
if not isinstance(vocab, Vocab):
raise TypeError("Passed vocabulary is not of type Vocab")
print('Vocab has {} entries'.format(len(vocab)))
print('Creating training data')
train_data, train_labels = _create_data_from_iterator(
vocab, _csv_iterator(train_csv_path, ngrams, yield_cls=True),
include_unk)
print('Creating testing data')
test_data, test_labels = _create_data_from_iterator(
vocab, _csv_iterator(test_csv_path, ngrams, yield_cls=True),
include_unk)
if len(train_labels ^ test_labels) > 0:
raise ValueError("Training and test labels don't match")
return (TextClassificationDataset(vocab, train_data, train_labels),
TextClassificationDataset(vocab, test_data, test_labels), vocab)
def prepairData(path, ngrams=NGRAMS, vocab=None):
if not os.path.isdir(path):
logging.error('Data path err')
return
train_csv_path = path + 'train.csv'
test_csv_path = path + 'test.csv'
if vocab is None:
logging.info('Building Vocab based on {}'.format(train_csv_path))
vocab = torch_text.build_vocab_from_iterator(
torch_text._csv_iterator(train_csv_path, ngrams))
else:
if not isinstance(vocab, Vocab):
raise TypeError("Passed vocabulary is not of type Vocab")
train_data, train_labels = torch_text._create_data_from_iterator(
vocab,
torch_text._csv_iterator(train_csv_path, ngrams, yield_cls=True),
include_unk=False)
logging.info('Creating testing data')
test_data, test_labels = torch_text._create_data_from_iterator(
vocab,
torch_text._csv_iterator(test_csv_path, ngrams, yield_cls=True),
include_unk=False)
if len(train_labels ^ test_labels) > 0:
raise ValueError("Training and test labels don't match")
return (torch_text.TextClassificationDataset(vocab, train_data,
train_labels),
torch_text.TextClassificationDataset(vocab, test_data,
test_labels))
def setup_datasets(train_csv_path, test_csv_path, include_unk=False):
iterator=_csv_iterator(train_csv_path, NGRAMS)
vocab = build_vocab_from_iterator(iterator)
train_data, train_labels = _create_data_from_iterator(vocab, _csv_iterator(train_csv_path, NGRAMS, yield_cls=True, label=0), include_unk)
test_data, test_labels = _create_data_from_iterator(vocab, _csv_iterator(test_csv_path, NGRAMS, yield_cls=True, label=0), include_unk)
return TextClassificationDataset(vocab, train_data, train_labels), TextClassificationDataset(vocab, test_data, test_labels)
def loadData(train_csv_path, test_csv_path, ngrams):
vocab = build_vocab_from_iterator(_csv_iterator(train_csv_path, ngrams))
train_data, train_labels = _create_data_from_iterator(
vocab, _csv_iterator(train_csv_path, ngrams, yield_cls=True), False)
test_data, test_labels = _create_data_from_iterator(
vocab, _csv_iterator(test_csv_path, ngrams, yield_cls=True), False)
return (TextClassificationDataset(vocab, train_data, train_labels),
TextClassificationDataset(vocab, test_data, test_labels))
def csv_dataset(csv_path, ngrams):
vocab = build_vocab_from_iterator(_csv_iterator(csv_path, ngrams))
train_data, train_labels = _create_data_from_iterator(
vocab, _csv_iterator(csv_path, ngrams, yield_cls=True), False)
return TextClassificationDataset(vocab, train_data, train_labels)
