import os import requests from langchain.tools import BaseTool class Weather(BaseTool): name = "weather" description = "Use for searching weather at a specific location" def __init__(self): super().__init__() def get_weather(self, location): api_key = os.environ["SENIVERSE_KEY"] url = f"https://api.seniverse.com/v3/weather/now.json?key={api_key}&location={location}&language=zh-Hans&unit=c" response = requests.get(url) if response.status_code == 200: data = response.json() weather = { "temperature": data["results"][0]["now"]["temperature"], "description": data["results"][0]["now"]["text"], } return weather else: raise Exception( f"Failed to retrieve weather: {response.status_code}") def _run(self, para: str) -> str: return self.get_weather(para) if __name__ == "__main__": weather_tool = Weather() weather_info = weather_tool.run("成都") print(weather_info)