■ RunnableSequence 클래스의 last 속성을 사용해 마지막 Runnable 객체를 구하는 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 load_dotenv() chatPromptTemplate = ChatPromptTemplate.from_messages( [ ("system", "Translate the following into {language} :"), ("user" , "{text}") ] ) chatOpenAI = ChatOpenAI(model = "gpt-4o") runnableSequence = chatPromptTemplate | chatOpenAI for (index, runnable) in runnableSequence: print(runnable) print("-" * 50) print() print(runnableSequence.last) print("-" * 50) """ None -------------------------------------------------- input_variables=['language', 'text'] input_types={} partial_variables={} messages=[SystemMessagePromptTemplate(prompt=PromptTemplate(input_variables=['language'], input_types={}, partial_variables={}, template='Translate the following into {language} :'), additional_kwargs={}), HumanMessagePromptTemplate(prompt=PromptTemplate(input_variables=['text'], input_types={}, partial_variables={}, template='{text}'), additional_kwargs={})] -------------------------------------------------- [] -------------------------------------------------- client=<openai.resources.chat.completions.Completions object at 0x00000209BAA3C140> async_client=<openai.resources.chat.completions.AsyncCompletions object at 0x00000209BAA3D6A0> root_client=<openai.OpenAI object at 0x00000209BA8091F0> root_async_client=<openai.AsyncOpenAI object at 0x00000209BAA3C170> model_name='gpt-4o' model_kwargs={} openai_api_key=SecretStr('**********') -------------------------------------------------- client=<openai.resources.chat.completions.Completions object at 0x00000209BAA3C140> async_client=<openai.resources.chat.completions.AsyncCompletions object at 0x00000209BAA3D6A0> root_client=<openai.OpenAI object at 0x00000209BA8091F0> root_async_client=<openai.AsyncOpenAI object at 0x00000209BAA3C170> model_name='gpt-4o' model_kwargs={} openai_api_key=SecretStr('**********') -------------------------------------------------- """ |
▶ requirements.txt
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annotated-types==0.7.0 anyio==4.6.2.post1 certifi==2024.8.30 charset-normalizer==3.4.0 colorama==0.4.6 distro==1.9.0 h11==0.14.0 httpcore==1.0.7 httpx==0.27.2 idna==3.10 jiter==0.7.1 jsonpatch==1.33 jsonpointer==3.0.0 langchain-core==0.3.21 langchain-openai==0.2.9 langsmith==0.1.145 openai==1.55.0 orjson==3.10.12 packaging==24.2 pydantic==2.10.1 pydantic_core==2.27.1 python-dotenv==1.0.1 PyYAML==6.0.2 regex==2024.11.6 requests==2.32.3 requests-toolbelt==1.0.0 sniffio==1.3.1 tenacity==9.0.0 tiktoken==0.8.0 tqdm==4.67.1 typing_extensions==4.12.2 urllib3==2.2.3 |
※ pip install python-dotenv langchain-openai 명령을 실행했다.