■ StructuredTool 클래스의 from_function 정적 메소드에서 handle_tool_error 인자를 사용해 도구 오류를 처리하는 방법을 보여준다.
▶ main.py
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from langchain_core.tools import ToolException from langchain_core.tools import StructuredTool def getWeather(city : str) -> int: """Get weather for the given city.""" raise ToolException(f"Error : There is no city by the name of {city}.") getWeatherTool = StructuredTool.from_function( func = getWeather, handle_tool_error = True, ) resultString = getWeatherTool.invoke({"city" : "foobar"}) print(resultString) |
▶ requirements.txt
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aiohappyeyeballs==2.4.0 aiohttp==3.10.5 aiosignal==1.3.1 annotated-types==0.7.0 anyio==4.4.0 attrs==24.2.0 certifi==2024.8.30 charset-normalizer==3.3.2 frozenlist==1.4.1 greenlet==3.1.0 h11==0.14.0 httpcore==1.0.5 httpx==0.27.2 idna==3.10 jsonpatch==1.33 jsonpointer==3.0.0 langchain==0.3.0 langchain-core==0.3.1 langchain-text-splitters==0.3.0 langsmith==0.1.122 multidict==6.1.0 numpy==1.26.4 orjson==3.10.7 packaging==24.1 pydantic==2.9.2 pydantic_core==2.23.4 PyYAML==6.0.2 requests==2.32.3 sniffio==1.3.1 SQLAlchemy==2.0.35 tenacity==8.5.0 typing_extensions==4.12.2 urllib3==2.2.3 yarl==1.11.1 |
※ pip install langchain 명령을 실행한다.