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Add destructors for states in TransitionSystem (#4686)

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adrianeboyd 2019-12-10 13:23:27 +01:00 committed by Matthew Honnibal
parent 45efdb1ef7
commit 38e1bc19f4
4 changed files with 19 additions and 2 deletions
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3
spacy/syntax/_beam_utils.pyx
View File

@ -69,7 +69,8 @@ cdef class ParserBeam(object):
cdef StateC* st
for state in states:
beam = Beam(self.moves.n_moves, width, min_density=density)
beam.initialize(self.moves.init_beam_state, state.c.length,
beam.initialize(self.moves.init_beam_state,
self.moves.del_beam_state, state.c.length,
state.c._sent)
for i in range(beam.width):
st = <StateC*>beam.at(i)

6
spacy/syntax/arc_eager.pyx
View File

@ -324,10 +324,16 @@ cdef void* _init_state(Pool mem, int length, void* tokens) except NULL:
return <void*>st
cdef int _del_state(Pool mem, void* state, void* x) except -1:
cdef StateC* st = <StateC*>state
del st
cdef class ArcEager(TransitionSystem):
def __init__(self, *args, **kwargs):
TransitionSystem.__init__(self, *args, **kwargs)
self.init_beam_state = _init_state
self.del_beam_state = _del_state
@classmethod
def get_actions(cls, **kwargs):

3
spacy/syntax/transition_system.pxd
View File

@ -33,6 +33,8 @@ ctypedef int (*do_func_t)(StateC* state, attr_t label) nogil
ctypedef void* (*init_state_t)(Pool mem, int length, void* tokens) except NULL
ctypedef int (*del_state_t)(Pool mem, void* state, void* extra_args) except -1
cdef class TransitionSystem:
cdef Pool mem
cdef StringStore strings
@ -42,6 +44,7 @@ cdef class TransitionSystem:
cdef public attr_t root_label
cdef public freqs
cdef init_state_t init_beam_state
cdef del_state_t del_beam_state
cdef public object labels
cdef int initialize_state(self, StateC* state) nogil

9
spacy/syntax/transition_system.pyx
View File

@ -30,6 +30,11 @@ cdef void* _init_state(Pool mem, int length, void* tokens) except NULL:
return <void*>st
cdef int _del_state(Pool mem, void* state, void* x) except -1:
cdef StateC* st = <StateC*>state
del st
cdef class TransitionSystem:
def __init__(self, StringStore string_table, labels_by_action=None, min_freq=None):
self.mem = Pool()
@ -44,6 +49,7 @@ cdef class TransitionSystem:
self.initialize_actions(labels_by_action, min_freq=min_freq)
self.root_label = self.strings.add('ROOT')
self.init_beam_state = _init_state
self.del_beam_state = _del_state
def __reduce__(self):
return (self.__class__, (self.strings, self.labels), None, None)
@ -72,7 +78,8 @@ cdef class TransitionSystem:
for doc in docs:
beam = Beam(self.n_moves, beam_width, min_density=beam_density)
beam.initialize(self.init_beam_state, doc.length, doc.c)
beam.initialize(self.init_beam_state, self.del_beam_state,
doc.length, doc.c)
for i in range(beam.width):
state = <StateC*>beam.at(i)
state.offset = offset