Upstash Redis

Upstash 是一个无服务器 Redis、Kafka 和 QStash API 的提供商。

本笔记本介绍了如何使用 Upstash Redis 来存储聊天消息历史。

<!--IMPORTS:[{"imported": "UpstashRedisChatMessageHistory", "source": "langchain_community.chat_message_histories", "docs": "https://python.langchain.com/api_reference/community/chat_message_histories/langchain_community.chat_message_histories.upstash_redis.UpstashRedisChatMessageHistory.html", "title": "Upstash Redis"}]-->
from langchain_community.chat_message_histories import (
    UpstashRedisChatMessageHistory,
)

URL = "<UPSTASH_REDIS_REST_URL>"
TOKEN = "<UPSTASH_REDIS_REST_TOKEN>"

history = UpstashRedisChatMessageHistory(
    url=URL, token=TOKEN, ttl=10, session_id="my-test-session"
)

history.add_user_message("hello llm!")
history.add_ai_message("hello user!")

history.messages