56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
from typing import List, Tuple
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from src.common.logger import get_module_logger
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from src.plugins.memory_system.Hippocampus import HippocampusManager
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from ..models.utils_model import LLMRequest
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from ..config.config import global_config
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from ..chat.message import Message
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logger = get_module_logger("knowledge_fetcher")
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class KnowledgeFetcher:
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"""知识调取器"""
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def __init__(self):
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self.llm = LLMRequest(
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model=global_config.llm_normal,
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temperature=global_config.llm_normal["temp"],
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max_tokens=1000,
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request_type="knowledge_fetch",
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)
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async def fetch(self, query: str, chat_history: List[Message]) -> Tuple[str, str]:
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"""获取相关知识
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Args:
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query: 查询内容
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chat_history: 聊天历史
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Returns:
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Tuple[str, str]: (获取的知识, 知识来源)
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"""
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# 构建查询上下文
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chat_history_text = ""
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for msg in chat_history:
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# sender = msg.message_info.user_info.user_nickname or f"用户{msg.message_info.user_info.user_id}"
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chat_history_text += f"{msg.detailed_plain_text}\n"
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# 从记忆中获取相关知识
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related_memory = await HippocampusManager.get_instance().get_memory_from_text(
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text=f"{query}\n{chat_history_text}",
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max_memory_num=3,
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max_memory_length=2,
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max_depth=3,
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fast_retrieval=False,
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)
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if related_memory:
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knowledge = ""
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sources = []
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for memory in related_memory:
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knowledge += memory[1] + "\n"
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sources.append(f"记忆片段{memory[0]}")
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return knowledge.strip(), "，".join(sources)
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return "未找到相关知识", "无记忆匹配"
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