from langchain_core.tools import tool import requests import logging import os from dotenv import load_dotenv logger = logging.getLogger(__name__) load_dotenv() @tool async def weather_info_tool(location: str) -> str: """Fetch real weather information for a given location.""" try: api_key = os.getenv("OPENWEATHERMAP_API_KEY") if not api_key: logger.error("OPENWEATHERMAP_API_KEY not set") return "Weather unavailable: API key missing" url = f"http://api.openweathermap.org/data/2.5/weather?q={location}&appid={api_key}&units=metric" response = requests.get(url).json() if response.get("cod") == 200: condition = response["weather"][0]["description"] temp = response["main"]["temp"] return f"Weather in {location}: {condition}, {temp}°C" return f"Unable to fetch weather for {location}." except Exception as e: logger.error(f"Error fetching weather for {location}: {e}") return f"Error: {str(e)}"