spaCy/spacy/_theano.pyx

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from thinc.example cimport Example
cdef class TheanoModel(Model):
def __init__(self, n_classes, input_layer, train_func, predict_func, model_loc=None):
if model_loc is not None and path.isdir(model_loc):
model_loc = path.join(model_loc, 'model')
self.n_classes = n_classes
tables = []
lengths = []
for window_size, n_dims, vocab_size in input_structure:
tables.append(EmbeddingTable(n_dims, vocab_size, initializer))
lengths.append(window_size)
self.input_layer = InputLayer(lengths, tables)
self.train_func = train_func
self.predict_func = predict_func
self.model_loc = model_loc
if self.model_loc and path.exists(self.model_loc):
self._model.load(self.model_loc, freq_thresh=0)
def train(self, Instance eg):
pass
def predict(self, Instance eg):
cdef const weight_t* score(self, atom_t* context) except NULL:
self.set_scores(self._scores, context)
return self._scores
cdef int set_scores(self, weight_t* scores, atom_t* context) except -1:
# TODO f(context) --> Values
self._input_layer.fill(self._x, self._values, use_avg=False)
theano_scores = self._predict(self._x)
for i in range(self.n_classes):
output[i] = theano_scores[i]
cdef int update(self, atom_t* context, class_t guess, class_t gold, int cost) except -1:
# TODO f(context) --> Values
self._input_layer.fill(self._x, self._values, use_avg=False)