■ ChatOpenAI 클래스의 with_structured_output 메소드에서 method 인자 사용해 출력 모드를 설정하는 방법을 보여준다.
※ 사용 중인 모델이 JSON 모드를 지원하는지 확인해야 한다.
※ OPENAI_API_KEY 환경 변수 값은 .env 파일에 정의한다.
▶ main.py
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from typing import Optional from dotenv import load_dotenv from langchain_core.pydantic_v1 import BaseModel from langchain_core.pydantic_v1 import Field from langchain_openai import ChatOpenAI load_dotenv() class Joke(BaseModel): """Joke to tell user.""" setup : str = Field(description =" The setup of the joke" ) punchline : str = Field(description =" The punchline to the joke" ) rating : Optional[int] = Field(description =" How funny the joke is, from 1 to 10") chatOpenAI = ChatOpenAI(model = "gpt-3.5-turbo-0125") runnableSequence = chatOpenAI.with_structured_output(Joke, method = "json_mode") joke = runnableSequence.invoke("Tell me a joke about cats, respond in JSON with `setup` and `punchline` keys") print(joke) """ "setup": "Why was the cat sitting on the computer?", "punchline": "He wanted to keep an eye on the mouse!", "rating": null """ |
▶ requirements.txt
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annotated-types==0.7.0 anyio==4.4.0 certifi==2024.6.2 charset-normalizer==3.3.2 distro==1.9.0 exceptiongroup==1.2.1 h11==0.14.0 httpcore==1.0.5 httpx==0.27.0 idna==3.7 jsonpatch==1.33 jsonpointer==3.0.0 langchain-core==0.2.9 langchain-openai==0.1.9 langsmith==0.1.81 openai==1.35.3 orjson==3.10.5 packaging==24.1 pydantic==2.7.4 pydantic_core==2.18.4 python-dotenv==1.0.1 PyYAML==6.0.1 regex==2024.5.15 requests==2.32.3 sniffio==1.3.1 tenacity==8.4.2 tiktoken==0.7.0 tqdm==4.66.4 typing_extensions==4.12.2 urllib3==2.2.2 |
※ pip install python-dotenv langchain-openai 명령을 실행했다.