■ 도구 호출시 오류를 처리하는 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.tools import tool from langchain_core.runnables import RunnableConfig from langchain_core.runnables import Runnable from langchain_openai import ChatOpenAI load_dotenv() @tool def _execute(integerValue : int, floatValue : float, dictionary1 : dict) -> int: """Do something complex with a complex tool.""" return integerValue * floatValue def execute(tool_args : dict, config : RunnableConfig) -> Runnable: try: _execute.invoke(tool_args, config = config) except Exception as e: return f"Calling tool with arguments:\n\n{tool_args}\n\nraised the following error:\n\n{type(e)}: {e}" chatOpenAI = ChatOpenAI(model = "gpt-4o-mini") runnableBindable = chatOpenAI.bind_tools([_execute]) runnableSequence = runnableBindable | (lambda aiMessage : aiMessage.tool_calls[0]["args"]) | execute resultValue = runnableSequence.invoke("use complex tool. the args are 5, 2.1, empty dictionary. don't forget dictionary1") print(resultValue) """ Calling tool with arguments: {'integerValue': 5, 'floatValue': 2.1} raised the following error: <class 'pydantic_core._pydantic_core.ValidationError'>: 1 validation error for _execute dictionary1 Field required [type=missing, input_value={'integerValue': 5, 'floatValue': 2.1}, input_type=dict] For further information visit https://errors.pydantic.dev/2.9/v/missing """ |
▶ requirements.txt
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annotated-types==0.7.0 anyio==4.6.0 certifi==2024.8.30 charset-normalizer==3.3.2 colorama==0.4.6 distro==1.9.0 h11==0.14.0 httpcore==1.0.5 httpx==0.27.2 idna==3.10 jiter==0.5.0 jsonpatch==1.33 jsonpointer==3.0.0 langchain-core==0.3.5 langchain-openai==0.2.0 langsmith==0.1.125 openai==1.47.0 orjson==3.10.7 packaging==24.1 pydantic==2.9.2 pydantic_core==2.23.4 python-dotenv==1.0.1 PyYAML==6.0.2 regex==2024.9.11 requests==2.32.3 sniffio==1.3.1 tenacity==8.5.0 tiktoken==0.7.0 tqdm==4.66.5 typing_extensions==4.12.2 urllib3==2.2.3 |
※ pip install python-dotenv langchain-openai 명령을 실행했다.