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https://github.com/open-webui/open-webui.git
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71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
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from mem0 import MemoryClient
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import os
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from logging import getLogger
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from typing import List, Dict, Optional
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log = getLogger(__name__)
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mem0_api_key = os.getenv("MEM0_API_KEY")
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memory_client = MemoryClient(api_key=mem0_api_key)
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async def mem0_search(user_id: str, chat_id: str, last_message: str) -> list[str]:
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"""
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未来可替换为实际检索逻辑，返回若干相关记忆条目（字符串）。
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增加 chat_id 便于按会话窗口区分/隔离记忆。
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"""
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try:
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# TODO: 接入真实 Mem0 检索
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log.info(f"mem0_search called with user_id: {user_id}, chat_id: {chat_id}, last_message: {last_message}")
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serach_rst = memory_client.search(
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query=last_message,
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filters={"user_id": user_id}
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)
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memories=serach_rst["results"] if "results" in serach_rst else serach_rst
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log.info(f"mem0_search found {len(memories)} memories")
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return [mem["text"] for mem in memories]
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except Exception as e:
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log.debug(f"Mem0 search failed: {e}")
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return []
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async def mem0_search_and_add(user_id: str, chat_id: str, last_message: str) -> list[str]:
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"""
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检索并添加记忆，添加记忆使用mem0 的add功能，返回若干相关记忆条目（字符串）。
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增加 chat_id 便于按会话窗口区分/隔离记忆。
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"""
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try:
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# TODO: 接入真实 Mem0 检索
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log.info(f"mem0_search called with user_id: {user_id}, chat_id: {chat_id}, last_message: {last_message}")
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serach_rst = memory_client.search(
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query=last_message,
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filters={"user_id": user_id}
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)
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if "results" not in serach_rst:
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log.info("mem0_search_and_add no results found, skipping add")
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memories=[]
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else:
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log.info(f"mem0_search_and_add found {len(serach_rst['results'])} results")
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memories=[item.get("memory", item.get("text", "")) for item in serach_rst["results"]]
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added_messages= [{"role": "user", "content": last_message}]
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memory_client.add(added_messages, user_id=user_id,enable_graph=True,async_mode=False, metadata={"session_id": chat_id})
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log.info(f"mem0_add added message for user_id: {user_id}")
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return memories
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except Exception as e:
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log.debug(f"Mem0 search and add failed: {e}")
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return []
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async def mem0_delete(user_id: str, chat_id: str) -> bool:
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"""
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删除指定用户在指定 chat 窗口下的所有 Mem0 相关记忆（占位实现）。
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未来可替换为实际删除逻辑。
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"""
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try:
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# TODO: 接入真实删除逻辑（如按 chat_id 过滤）
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log.info(f"mem0_delete called with user_id: {user_id}, chat_id: {chat_id}")
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memory_client.delete(
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filters={"user_id": user_id}
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)
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return True
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except Exception as e:
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log.debug(f"Mem0 delete failed: {e}")
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return False
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