mirror of
https://github.com/explosion/spaCy.git
synced 2024-12-29 03:16:31 +03:00
69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
from thinc.api import Config
|
|
|
|
from ...language import Language
|
|
from ...tokens import Doc
|
|
from .stop_words import STOP_WORDS
|
|
from ...util import DummyTokenizer, registry
|
|
from .lex_attrs import LEX_ATTRS
|
|
|
|
|
|
DEFAULT_CONFIG = """
|
|
[nlp]
|
|
|
|
[nlp.tokenizer]
|
|
@tokenizers = "spacy.vi.VietnameseTokenizer"
|
|
use_pyvi = true
|
|
"""
|
|
|
|
|
|
@registry.tokenizers("spacy.vi.VietnameseTokenizer")
|
|
def create_vietnamese_tokenizer(use_pyvi: bool = True,):
|
|
def vietnamese_tokenizer_factory(nlp):
|
|
return VietnameseTokenizer(nlp, use_pyvi=use_pyvi)
|
|
|
|
return vietnamese_tokenizer_factory
|
|
|
|
|
|
class VietnameseTokenizer(DummyTokenizer):
|
|
def __init__(self, nlp: Language, use_pyvi: bool = False):
|
|
self.vocab = nlp.vocab
|
|
self.use_pyvi = use_pyvi
|
|
if self.use_pyvi:
|
|
try:
|
|
from pyvi import ViTokenizer
|
|
|
|
self.ViTokenizer = ViTokenizer
|
|
except ImportError:
|
|
msg = (
|
|
"Pyvi not installed. Either set use_pyvi = False, "
|
|
"or install it https://pypi.python.org/pypi/pyvi"
|
|
)
|
|
raise ImportError(msg)
|
|
|
|
def __call__(self, text: str) -> Doc:
|
|
if self.use_pyvi:
|
|
words, spaces = self.ViTokenizer.spacy_tokenize(text)
|
|
return Doc(self.vocab, words=words, spaces=spaces)
|
|
else:
|
|
words = []
|
|
spaces = []
|
|
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)
|
|
|
|
|
|
class VietnameseDefaults(Language.Defaults):
|
|
config = Config().from_str(DEFAULT_CONFIG)
|
|
lex_attr_getters = LEX_ATTRS
|
|
stop_words = STOP_WORDS
|
|
|
|
|
|
class Vietnamese(Language):
|
|
lang = "vi"
|
|
Defaults = VietnameseDefaults
|
|
|
|
|
|
__all__ = ["Vietnamese"]
|