■ RunnableSequence 클래스를 사용해 체인을 결합해 다른 체인을 만드는 방법을 보여준다.
※ OPENAI_API_KEY 환경 변수 값은 .env 파일에 정의한다.
▶ main.py
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from dotenv import load_dotenv from langchain_core.prompts import ChatPromptTemplate from langchain_openai import ChatOpenAI from langchain_core.output_parsers import StrOutputParser load_dotenv() jokeChatPromptTemplate = ChatPromptTemplate.from_template("tell me a joke about {topic}") chatOpenAI = ChatOpenAI(model = "gpt-3.5-turbo-0125") jokeRunnableSequence = jokeChatPromptTemplate | chatOpenAI | StrOutputParser() evaluateChatPromptTemplate = ChatPromptTemplate.from_template("is this a funny joke? {joke}") evaluateRunnableSequence = ( jokeRunnableSequence | (lambda input : {"joke" : input}) | evaluateChatPromptTemplate | chatOpenAI | StrOutputParser() ) responseString = evaluateRunnableSequence.invoke({"topic" : "bears"}) print(responseString) """ Some people may find this joke funny, as it plays on the idea of a bear wearing a fur coat as a humorous twist on the common saying "being underdressed." However, humor is subjective, so not everyone may find this joke funny. """ |
▶ 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==0.1.8 langsmith==0.1.80 openai==1.35.0 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==8.4.1 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.