Anthropic聊天模型

from langchain.chat_models import ChatAnthropic
from langchain.prompts.chat import (
    ChatPromptTemplate,
    SystemMessagePromptTemplate,
    AIMessagePromptTemplate,
    HumanMessagePromptTemplate,
)
from langchain.schema import (
    AIMessage,
    HumanMessage,
    SystemMessage
)
 

chat = ChatAnthropic()
 

messages = [
    HumanMessage(content="Translate this sentence from English to French. I love programming.")
]
chat(messages)
 

AIMessage(content=" J'aime programmer. ", additional_kwargs={})
 

from langchain.callbacks.manager import CallbackManager
from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler
 

await chat.agenerate([messages])
 

LLMResult(generations=[[ChatGeneration(text=" J'aime la programmation.", generation_info=None, message=AIMessage(content=" J'aime la programmation.", additional_kwargs={}))]], llm_output={})
 

chat = ChatAnthropic(streaming=True, verbose=True, callback_manager=CallbackManager([StreamingStdOutCallbackHandler()]))
chat(messages)
 

 J'adore programmer.
 

AIMessage(content=" J'adore programmer.", additional_kwargs={})