mirror of
https://github.com/hwchase17/langchain
synced 2024-11-10 01:10:59 +00:00
31 lines
966 B
Python
31 lines
966 B
Python
|
"""Tool for the OpenWeatherMap API."""
|
||
|
|
|
||
|
|
from typing import Optional
|
||
|
|
|
||
|
|
from langchain_core.callbacks import CallbackManagerForToolRun
|
||
|
|
from langchain_core.pydantic_v1 import Field
|
||
|
|
from langchain_core.tools import BaseTool
|
||
|
|
|
||
|
|
from langchain_community.utilities.openweathermap import OpenWeatherMapAPIWrapper
|
||
|
|
|
||
|
|
|
||
|
|
class OpenWeatherMapQueryRun(BaseTool):
|
||
|
|
"""Tool that queries the OpenWeatherMap API."""
|
||
|
|
|
||
|
|
api_wrapper: OpenWeatherMapAPIWrapper = Field(
|
||
|
|
default_factory=OpenWeatherMapAPIWrapper
|
||
|
|
)
|
||
|
|
|
||
|
|
name: str = "OpenWeatherMap"
|
||
|
|
description: str = (
|
||
|
|
"A wrapper around OpenWeatherMap API. "
|
||
|
|
"Useful for fetching current weather information for a specified location. "
|
||
|
|
"Input should be a location string (e.g. London,GB)."
|
||
|
|
)
|
||
|
|
|
||
|
|
def _run(
|
||
|
|
self, location: str, run_manager: Optional[CallbackManagerForToolRun] = None
|
||
|
|
) -> str:
|
||
|
|
"""Use the OpenWeatherMap tool."""
|
||
|
|
return self.api_wrapper.run(location)
|