87ed1c4425
- 升级Agent（chat_module=agent切换）：升级到langgraph react agent逻辑、集成到主分支fay中、基于自动决策工具调用机制、基于日程跟踪的主动沟通、支持外部观测数据传入； - 修复因线程同步问题导致的配置文件读写不稳定 - 聊天采纳功能的bug修复
44 lines
1007 B
Python
44 lines
1007 B
Python
from fastapi import FastAPI
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from langchain_core.prompts import ChatPromptTemplate
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from langchain_core.output_parsers import StrOutputParser
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from langchain_openai import ChatOpenAI
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from langserve import add_routes
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import os
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os.environ["OPENAI_API_KEY"] = "sk-"
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os.environ["OPENAI_API_BASE"] = "https://cn.api.zyai.online/v1"
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# 1. Create prompt template
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system_template = "Translate the following into {language}:"
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prompt_template = ChatPromptTemplate.from_messages([
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('system', system_template),
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('user', '{text}')
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])
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# 2. Create model
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model = ChatOpenAI()
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# 3. Create parser
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parser = StrOutputParser()
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# 4. Create chain
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chain = prompt_template | model | parser
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# 4. App definition
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app = FastAPI(
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title="LangChain Server",
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version="1.0",
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description="A simple API server using LangChain's Runnable interfaces",
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)
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# 5. Adding chain route
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add_routes(
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app,
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chain,
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path="/chain",
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)
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="localhost", port=8000) |