ChatUpstage
这本笔记本涵盖了如何开始使用Upstage聊天模型。
安装
安装langchain-upstage个包。
pip install -U langchain-upstage
环境设置
请设置以下环境变量:
UPSTAGE_API_KEY: 您的 Upstage API 密钥,从Upstage 控制台获取。
用法
import os
os.environ["UPSTAGE_API_KEY"] = "YOUR_API_KEY"
from langchain_core.prompts import ChatPromptTemplate
from langchain_upstage import ChatUpstage
chat = ChatUpstage()
API 参考:聊天提示模板 |ChatUpstage
# using chat invoke
chat.invoke("Hello, how are you?")
# using chat stream
for m in chat.stream("Hello, how are you?"):
print(m)
链式调用
# using chain
prompt = ChatPromptTemplate.from_messages(
[
("system", "You are a helpful assistant that translates English to French."),
("human", "Translate this sentence from English to French. {english_text}."),
]
)
chain = prompt | chat
chain.invoke({"english_text": "Hello, how are you?"})