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remove <think> tag for entities and keywords extraction

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This commit is contained in:
SLKun 2025-07-07 10:31:46 +08:00
parent 88935d135f
commit 5f330ec11a
2 changed files with 12 additions and 3 deletions
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4
lightrag/operate.py
View file

@ -26,6 +26,7 @@ from .utils import (
get_conversation_turns,
use_llm_func_with_cache,
update_chunk_cache_list,
remove_think_tags,
)
from .base import (
BaseGraphStorage,
@ -1703,7 +1704,8 @@ async def extract_keywords_only(
result = await use_model_func(kw_prompt, keyword_extraction=True)
# 6. Parse out JSON from the LLM response
match = re.search(r"\{.*\}", result, re.DOTALL)
result = remove_think_tags(result)
match = re.search(r"\{.*?\}", result, re.DOTALL)
if not match:
logger.error("No JSON-like structure found in the LLM respond.")
return [], []

11
lightrag/utils.py
View file

@ -1465,6 +1465,11 @@ async def update_chunk_cache_list(
)
def remove_think_tags(text: str) -> str:
"""Remove <think> tags from the text"""
return re.sub(r"^(<think>.*?</think>|<think>)", "", text, flags=re.DOTALL).strip()
async def use_llm_func_with_cache(
input_text: str,
use_llm_func: callable,
@ -1531,6 +1536,7 @@ async def use_llm_func_with_cache(
kwargs["max_tokens"] = max_tokens
res: str = await use_llm_func(input_text, **kwargs)
res = remove_think_tags(res)
if llm_response_cache.global_config.get("enable_llm_cache_for_entity_extract"):
await save_to_cache(
@ -1557,8 +1563,9 @@ async def use_llm_func_with_cache(
if max_tokens is not None:
kwargs["max_tokens"] = max_tokens
logger.info(f"Call LLM function with query text lenght: {len(input_text)}")
return await use_llm_func(input_text, **kwargs)
logger.info(f"Call LLM function with query text length: {len(input_text)}")
res = await use_llm_func(input_text, **kwargs)
return remove_think_tags(res)
def get_content_summary(content: str, max_length: int = 250) -> str: