■ RunnablePassthrough 클래스를 사용해 다음 단계의 입력을 위해 이전 단계의 데이터를 변경없이 전달하는 방법을 보여준다.
▶ main.py
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from langchain_core.runnables import RunnableParallel from langchain_core.runnables import RunnablePassthrough runnable = RunnableParallel( passed = RunnablePassthrough(), modified = lambda x : x["value"] + 1, ) responseDictionary = runnable.invoke({"value" : 1}) print(responseDictionary) """ {'passed': {'value': 1}, 'modified': 2} """ |
▶ 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 사용했다.