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* Messily fix morphology and POS tags on special tokens.

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This commit is contained in:
Matthew Honnibal 2014-12-30 23:24:37 +11:00
parent 81d878beb2
commit 9976aa976e
1 changed files with 13 additions and 5 deletions
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18
spacy/tokenizer.pyx
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@ -21,7 +21,8 @@ from .tokens import Tokens
cdef class Tokenizer: cdef class Tokenizer:
def __init__(self, Vocab vocab, rules, prefix_re, suffix_re, infix_re): def __init__(self, Vocab vocab, rules, prefix_re, suffix_re, infix_re,
pos_tags, tag_names):
self.mem = Pool() self.mem = Pool()
self._cache = PreshMap() self._cache = PreshMap()
self._specials = PreshMap() self._specials = PreshMap()
@ -29,10 +30,10 @@ cdef class Tokenizer:
self._suffix_re = suffix_re self._suffix_re = suffix_re
self._infix_re = infix_re self._infix_re = infix_re
self.vocab = vocab self.vocab = vocab
self._load_special_tokenization(rules) self._load_special_tokenization(rules, pos_tags, tag_names)
@classmethod @classmethod
def from_dir(cls, Vocab vocab, object data_dir): def from_dir(cls, Vocab vocab, object data_dir, object pos_tags, object tag_names):
if not path.exists(data_dir): if not path.exists(data_dir):
raise IOError("Directory %s not found -- cannot load Tokenizer." % data_dir) raise IOError("Directory %s not found -- cannot load Tokenizer." % data_dir)
if not path.isdir(data_dir): if not path.isdir(data_dir):
@ -41,7 +42,7 @@ cdef class Tokenizer:
assert path.exists(data_dir) and path.isdir(data_dir) assert path.exists(data_dir) and path.isdir(data_dir)
rules, prefix_re, suffix_re, infix_re = util.read_lang_data(data_dir) rules, prefix_re, suffix_re, infix_re = util.read_lang_data(data_dir)
return cls(vocab, rules, re.compile(prefix_re), re.compile(suffix_re), return cls(vocab, rules, re.compile(prefix_re), re.compile(suffix_re),
re.compile(infix_re)) re.compile(infix_re), pos_tags, tag_names)
cpdef Tokens tokens_from_list(self, list strings): cpdef Tokens tokens_from_list(self, list strings):
cdef int length = sum([len(s) for s in strings]) cdef int length = sum([len(s) for s in strings])
@ -234,7 +235,7 @@ cdef class Tokenizer:
match = self._suffix_re.search(string) match = self._suffix_re.search(string)
return (match.end() - match.start()) if match is not None else 0 return (match.end() - match.start()) if match is not None else 0
def _load_special_tokenization(self, object rules): def _load_special_tokenization(self, object rules, object tag_map, object tag_names):
'''Add a special-case tokenization rule. '''Add a special-case tokenization rule.
''' '''
cdef int i cdef int i
@ -255,6 +256,13 @@ cdef class Tokenizer:
tokens[i].lex = <Lexeme*>self.vocab.get(self.vocab.mem, &string) tokens[i].lex = <Lexeme*>self.vocab.get(self.vocab.mem, &string)
if lemma: if lemma:
tokens[i].lemma = self.vocab.strings[lemma] tokens[i].lemma = self.vocab.strings[lemma]
if 'pos' in props:
# TODO: Clean up this mess...
tokens[i].fine_pos = tag_names.index(props['pos'])
tokens[i].pos = tag_map[props['pos']][0]
# These are defaults, which can be over-ridden by the
# token-specific props.
set_morph_from_dict(&tokens[i].morph, tag_map[props['pos']][1])
set_morph_from_dict(&tokens[i].morph, props) set_morph_from_dict(&tokens[i].morph, props)
cached = <_Cached*>self.mem.alloc(1, sizeof(_Cached)) cached = <_Cached*>self.mem.alloc(1, sizeof(_Cached))
cached.length = len(substrings) cached.length = len(substrings)