spaCy/spacy/lang/th/__init__.py
2020-10-01 21:54:33 +02:00

54 lines
1.3 KiB
Python

from .stop_words import STOP_WORDS
from .lex_attrs import LEX_ATTRS
from ...language import Language
from ...tokens import Doc
from ...util import DummyTokenizer, registry, load_config_from_str
DEFAULT_CONFIG = """
[nlp]
[nlp.tokenizer]
@tokenizers = "spacy.th.ThaiTokenizer"
"""
@registry.tokenizers("spacy.th.ThaiTokenizer")
def create_thai_tokenizer():
def thai_tokenizer_factory(nlp):
return ThaiTokenizer(nlp)
return thai_tokenizer_factory
class ThaiTokenizer(DummyTokenizer):
def __init__(self, nlp: Language) -> None:
try:
from pythainlp.tokenize import word_tokenize
except ImportError:
raise ImportError(
"The Thai tokenizer requires the PyThaiNLP library: "
"https://github.com/PyThaiNLP/pythainlp"
) from None
self.word_tokenize = word_tokenize
self.vocab = nlp.vocab
def __call__(self, text: str) -> Doc:
words = list(self.word_tokenize(text))
spaces = [False] * len(words)
return Doc(self.vocab, words=words, spaces=spaces)
class ThaiDefaults(Language.Defaults):
config = load_config_from_str(DEFAULT_CONFIG)
lex_attr_getters = LEX_ATTRS
stop_words = STOP_WORDS
class Thai(Language):
lang = "th"
Defaults = ThaiDefaults
__all__ = ["Thai"]