fix: import jieba.analyse (#12133)

Signed-off-by: -LAN- <laipz8200@outlook.com>
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-LAN- 2024-12-27 11:37:55 +08:00 committed by GitHub
parent 26b5680913
commit dae1b5a619
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@ -1,5 +1,5 @@
import re
from typing import Optional
from typing import Optional, cast
class JiebaKeywordTableHandler:
@ -8,18 +8,20 @@ class JiebaKeywordTableHandler:
from core.rag.datasource.keyword.jieba.stopwords import STOPWORDS
jieba.analyse.default_tfidf.stop_words = STOPWORDS
jieba.analyse.default_tfidf.stop_words = STOPWORDS # type: ignore
def extract_keywords(self, text: str, max_keywords_per_chunk: Optional[int] = 10) -> set[str]:
"""Extract keywords with JIEBA tfidf."""
import jieba # type: ignore
import jieba.analyse # type: ignore
keywords = jieba.analyse.extract_tags(
sentence=text,
topK=max_keywords_per_chunk,
)
# jieba.analyse.extract_tags returns list[Any] when withFlag is False by default.
keywords = cast(list[str], keywords)
return set(self._expand_tokens_with_subtokens(keywords))
return set(self._expand_tokens_with_subtokens(set(keywords)))
def _expand_tokens_with_subtokens(self, tokens: set[str]) -> set[str]:
"""Get subtokens from a list of tokens., filtering for stopwords."""