mirror of https://github.com/explosion/spaCy.git
45 lines
1.5 KiB
Cython
45 lines
1.5 KiB
Cython
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from cymem.cymem cimport Pool
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from ._state cimport State
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from ..structs cimport TokenC
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from thinc.typedefs cimport weight_t
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cdef weight_t MIN_SCORE = -90000
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cdef class TransitionSystem:
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cdef Pool mem
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cdef const Transition* c
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def __init__(self, dict move_types):
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entries = []
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for move, labels in move_types.items():
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entries.extend((move, label) for label in labels)
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entries.sort()
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moves = <Transition*>self.mem.alloc(len(entries), sizeof(Transition))
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for i, (move, label_str) in enumerate(entries):
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moves[i].move = move
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moves[i].label = self.label_ids.setdefault(label_str, len(self.label_ids))
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moves[i].clas
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cdef const Transition best_valid(self, const weight_t* scores,
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const State* s) except *:
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cdef int best = -1
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cdef weight_t score = MIN_SCORE
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cdef int i
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for i in range(self.n_moves):
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if scores[i] > score and self.c[i].is_valid(&self.c[i], s):
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best = i
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score = scores[i]
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return self.c[best]
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cdef const Transition best_gold(self, const weight_t* scores, const State* s,
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const TokenC* gold) except *:
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cdef int best = -1
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cdef weight_t score = MIN_SCORE
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cdef int i
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for i in range(self.n_moves):
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if scores[i] > score and self.c[i].get_cost(&self.c[i], s, gold) == 0:
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best = i
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score = scores[i]
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return self.c[best]
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