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fix: import jieba.analyse #12133

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Dec 27, 2024
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fix: import jieba.analyse #12133

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10 changes: 6 additions & 4 deletions api/core/rag/datasource/keyword/jieba/jieba_keyword_table_handler.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import re
from typing import Optional
from typing import Optional, cast


class JiebaKeywordTableHandler:
Expand All @@ -8,18 +8,20 @@ def __init__(self):

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."""
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