def transform(self, X, Y=None):
success, _X = self.from_cache(X)
if not success:
_X = []
for document in X:
sents = splitter(document)
blocks, block = [], []
while sents:
sent = sents.pop(0)
block.append(sent)
if len(block) == self.block_size:
blocks.append(' '.join(block))
block = []
blocks.append(' '.join(block))
encoded_blocks = self.model.encode(blocks)
doc_vecs = pooling(
encoded_blocks,
(encoded_blocks.shape[0], 1),
method='avg'
)
_X.append(list(doc_vecs)[0])
self.to_cache(X, _X)
if Y:
return np.array(_X), Y
else:
return np.array(_X)
def __call__(self, x):
bow = []
for sent in splitter(x):
for i, token in enumerate(tokenizer(sent)):
if self.remove_nonalpha and not token.isalpha():
continue
if (self.remove_entities and i
and token[0] != token[0].lower()):
continue
if (self.remove_stopwords and token.lower() in STOPWORDS):
continue
bow.append(token if not self.lowercase else token.lower())
_bow = []
prev = None
while bow:
token = bow.pop(0)
if token == prev:
continue
_bow.append(token)
prev = token
return ' '.join(_bow)
def transform(self, X, Y=None):
success, _X = self.from_cache(X)
if not success:
_X = []
for document in X:
sents = splitter(document)
encoded_sents = self.model.encode(sents)
doc_vecs = pooling(
encoded_sents,
(encoded_sents.shape[0], 1),
method='mdn'
)
_X.append(list(doc_vecs)[0])
self.to_cache(X, _X)
if Y:
return np.array(_X), Y
else:
return np.array(_X)
def title(X, docid):
return splitter(X[docid])[0]
return '%s...' % X[docid][:90]