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Add assign_untagged method in Morphology

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This commit is contained in:
Matthew Honnibal 2017-10-11 03:22:49 +02:00
parent 2c118ab3a6
commit d528b6e36d
2 changed files with 12 additions and 4 deletions
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2
spacy/morphology.pxd
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@ -35,6 +35,8 @@ cdef class Morphology:
cdef RichTagC* rich_tags cdef RichTagC* rich_tags
cdef PreshMapArray _cache cdef PreshMapArray _cache
cdef int assign_untagged(self, TokenC* token) except -1
cdef int assign_tag(self, TokenC* token, tag) except -1 cdef int assign_tag(self, TokenC* token, tag) except -1
cdef int assign_tag_id(self, TokenC* token, int tag_id) except -1 cdef int assign_tag_id(self, TokenC* token, int tag_id) except -1

14
spacy/morphology.pyx
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@ -42,7 +42,7 @@ cdef class Morphology:
self.tag_names = tuple(sorted(tag_map.keys())) self.tag_names = tuple(sorted(tag_map.keys()))
self.reverse_index = {} self.reverse_index = {}
self.rich_tags = <RichTagC*>self.mem.alloc(self.n_tags, sizeof(RichTagC)) self.rich_tags = <RichTagC*>self.mem.alloc(self.n_tags+1, sizeof(RichTagC))
for i, (tag_str, attrs) in enumerate(sorted(tag_map.items())): for i, (tag_str, attrs) in enumerate(sorted(tag_map.items())):
self.tag_map[tag_str] = dict(attrs) self.tag_map[tag_str] = dict(attrs)
attrs = _normalize_props(attrs) attrs = _normalize_props(attrs)
@ -52,6 +52,10 @@ cdef class Morphology:
self.rich_tags[i].morph = 0 self.rich_tags[i].morph = 0
self.rich_tags[i].pos = attrs[POS] self.rich_tags[i].pos = attrs[POS]
self.reverse_index[self.rich_tags[i].name] = i self.reverse_index[self.rich_tags[i].name] = i
# Add a 'null' tag, which we can reference when assign morphology to
# untagged tokens.
self.rich_tags[self.n_tags].id = self.n_tags
self._cache = PreshMapArray(self.n_tags) self._cache = PreshMapArray(self.n_tags)
self.exc = {} self.exc = {}
if exc is not None: if exc is not None:
@ -62,6 +66,10 @@ cdef class Morphology:
return (Morphology, (self.strings, self.tag_map, self.lemmatizer, return (Morphology, (self.strings, self.tag_map, self.lemmatizer,
self.exc), None, None) self.exc), None, None)
cdef int assign_untagged(self, TokenC* token) except -1:
'''Set morphological attributes on a token without a POS tag.'''
token.lemma = self.lemmatize(0, token.lex.orth, {})
cdef int assign_tag(self, TokenC* token, tag) except -1: cdef int assign_tag(self, TokenC* token, tag) except -1:
if isinstance(tag, basestring): if isinstance(tag, basestring):
tag = self.strings.add(tag) tag = self.strings.add(tag)
@ -72,7 +80,7 @@ cdef class Morphology:
token.tag = tag token.tag = tag
cdef int assign_tag_id(self, TokenC* token, int tag_id) except -1: cdef int assign_tag_id(self, TokenC* token, int tag_id) except -1:
if tag_id >= self.n_tags: if tag_id > self.n_tags:
raise ValueError("Unknown tag ID: %s" % tag_id) raise ValueError("Unknown tag ID: %s" % tag_id)
# TODO: It's pretty arbitrary to put this logic here. I guess the justification # TODO: It's pretty arbitrary to put this logic here. I guess the justification
# is that this is where the specific word and the tag interact. Still, # is that this is where the specific word and the tag interact. Still,
@ -151,8 +159,6 @@ cdef class Morphology:
cdef unicode py_string = self.strings[orth] cdef unicode py_string = self.strings[orth]
if self.lemmatizer is None: if self.lemmatizer is None:
return self.strings.add(py_string.lower()) return self.strings.add(py_string.lower())
if univ_pos not in (NOUN, VERB, ADJ, PUNCT):
return self.strings.add(py_string.lower())
cdef set lemma_strings cdef set lemma_strings
cdef unicode lemma_string cdef unicode lemma_string
lemma_strings = self.lemmatizer(py_string, univ_pos, morphology) lemma_strings = self.lemmatizer(py_string, univ_pos, morphology)