spaCy/spacy/lang/vi/__init__.py

54 lines
1.9 KiB
Python

# coding: utf8
from __future__ import unicode_literals
from ...attrs import LANG, NORM
from ..norm_exceptions import BASE_NORMS
from ...language import Language
from ...tokens import Doc
from .stop_words import STOP_WORDS
from ...util import update_exc, add_lookups
from .lex_attrs import LEX_ATTRS
#from ..tokenizer_exceptions import BASE_EXCEPTIONS
#from .tokenizer_exceptions import TOKENIZER_EXCEPTIONS
class VietnameseDefaults(Language.Defaults):
lex_attr_getters = dict(Language.Defaults.lex_attr_getters)
lex_attr_getters[LANG] = lambda text: 'vi' # for pickling
# add more norm exception dictionaries here
lex_attr_getters[NORM] = add_lookups(Language.Defaults.lex_attr_getters[NORM], BASE_NORMS)
# overwrite functions for lexical attributes
lex_attr_getters.update(LEX_ATTRS)
# merge base exceptions and custom tokenizer exceptions
#tokenizer_exceptions = update_exc(BASE_EXCEPTIONS, TOKENIZER_EXCEPTIONS)
stop_words = STOP_WORDS
use_pyvi = True
class Vietnamese(Language):
lang = 'vi'
Defaults = VietnameseDefaults # override defaults
def make_doc(self, text):
if self.Defaults.use_pyvi:
try:
from pyvi import ViTokenizer
except ImportError:
msg = ("Pyvi not installed. Either set Vietnamese.use_pyvi = False, "
"or install it https://pypi.python.org/pypi/pyvi")
raise ImportError(msg)
words, spaces = ViTokenizer.spacy_tokenize(text)
return Doc(self.vocab, words=words, spaces=spaces)
else:
words = []
spaces = []
doc = self.tokenizer(text)
for token in self.tokenizer(text):
words.extend(list(token.text))
spaces.extend([False]*len(token.text))
spaces[-1] = bool(token.whitespace_)
return Doc(self.vocab, words=words, spaces=spaces)
__all__ = ['Vietnamese']