mirror of
https://github.com/hwchase17/langchain
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31 lines
966 B
Python
31 lines
966 B
Python
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"""Tool for the OpenWeatherMap API."""
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from typing import Optional
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from langchain_core.callbacks import CallbackManagerForToolRun
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from langchain_core.pydantic_v1 import Field
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from langchain_core.tools import BaseTool
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from langchain_community.utilities.openweathermap import OpenWeatherMapAPIWrapper
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class OpenWeatherMapQueryRun(BaseTool):
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"""Tool that queries the OpenWeatherMap API."""
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api_wrapper: OpenWeatherMapAPIWrapper = Field(
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default_factory=OpenWeatherMapAPIWrapper
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)
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name: str = "OpenWeatherMap"
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description: str = (
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"A wrapper around OpenWeatherMap API. "
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"Useful for fetching current weather information for a specified location. "
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"Input should be a location string (e.g. London,GB)."
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)
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def _run(
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self, location: str, run_manager: Optional[CallbackManagerForToolRun] = None
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) -> str:
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"""Use the OpenWeatherMap tool."""
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return self.api_wrapper.run(location)
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