from typing import Optional
from thinc.api import Model
from ..ru.lemmatizer import RussianLemmatizer
from ...lookups import Lookups
from ...vocab import Vocab
class UkrainianLemmatizer(RussianLemmatizer):
def __init__(
self,
vocab: Vocab,
model: Optional[Model],
name: str = "lemmatizer",
*,
mode: str = "pymorphy2",
lookups: Optional[Lookups] = None,
) -> None:
super().__init__(vocab, model, name, mode=mode, lookups=lookups)
try:
from pymorphy2 import MorphAnalyzer
except ImportError:
raise ImportError(
"The Ukrainian lemmatizer requires the pymorphy2 library and "
'dictionaries: try to fix it with "pip uninstall pymorphy2" and'
'"pip install git+https://github.com/kmike/pymorphy2.git pymorphy2-dicts-uk"'
) from None
if UkrainianLemmatizer._morph is None:
UkrainianLemmatizer._morph = MorphAnalyzer(lang="uk")
