■ ChatPromptTemplate 클래스의 format_messages 메소드를 사용해 메시지 리스트를 구하는 방법을 보여준다.
▶ main.py
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from langchain_core.messages import SystemMessage from langchain_core.messages import HumanMessage from langchain_core.messages import AIMessage systemMessage = SystemMessage(content = "You are a nice pirate") chatPromptTemplate = systemMessage + HumanMessage(content = "hi") + AIMessage(content = "what?") + "{input}" messageList = chatPromptTemplate.format_messages(input = "i said hi") print(messageList) """ [ SystemMessage(content = 'You are a nice pirate'), HumanMessage(content = 'hi'), AIMessage(content = 'what?'), HumanMessage(content = 'i said hi') ] """ |
▶ requirements.txt
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aiohttp==3.9.5 aiosignal==1.3.1 annotated-types==0.7.0 async-timeout==4.0.3 attrs==23.2.0 certifi==2024.6.2 charset-normalizer==3.3.2 frozenlist==1.4.1 greenlet==3.0.3 idna==3.7 jsonpatch==1.33 jsonpointer==3.0.0 langchain==0.2.5 langchain-core==0.2.9 langchain-text-splitters==0.2.1 langsmith==0.1.81 multidict==6.0.5 numpy==1.26.4 orjson==3.10.5 packaging==24.1 pydantic==2.7.4 pydantic_core==2.18.4 PyYAML==6.0.1 requests==2.32.3 SQLAlchemy==2.0.31 tenacity==8.4.1 typing_extensions==4.12.2 urllib3==2.2.2 yarl==1.9.4 |
※ pip install langchain 명령을 실행했다.