agentic-rag / tools.py
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import requests
import os
from huggingface_hub import list_models
from langchain_community.tools import DuckDuckGoSearchResults
from langchain.tools import Tool
from dotenv import load_dotenv
# Make sure environment variables are loaded
load_dotenv()
def get_weather_info(location: str) -> str:
"""Fetches real weather information for a given location using WeatherAPI.com."""
api_key = os.getenv("WEATHERAPI_KEY")
if not api_key:
return "Error: WeatherAPI key not found. Please set the WEATHERAPI_KEY environment variable."
base_url = "http://api.weatherapi.com/v1/current.json"
params = {
"key": api_key,
"q": location,
"aqi": "no" # You can change this to "yes" if you want air quality info
}
try:
response = requests.get(base_url, params=params)
data = response.json()
if response.status_code == 200:
# Extract relevant information from the response
location_data = data.get("location", {})
current_data = data.get("current", {})
location_name = location_data.get("name", "Unknown")
region = location_data.get("region", "Unknown")
country = location_data.get("country", "Unknown")
temp_c = current_data.get("temp_c", "N/A")
feelslike_c = current_data.get("feelslike_c", "N/A")
condition_text = current_data.get("condition", {}).get("text", "N/A")
humidity = current_data.get("humidity", "N/A")
wind_kph = current_data.get("wind_kph", "N/A")
return (
f"Weather in {location_name}, {region}, {country}: {condition_text}, "
f"{temp_c}°C (feels like {feelslike_c}°C). Humidity: {humidity}%, Wind: {wind_kph} kph"
)
else:
error_message = data.get("error", {}).get("message", "Unknown error")
return f"Error fetching weather data: {error_message}"
except Exception as e:
return f"An error occurred while fetching weather data: {str(e)}"
# Initialize the tool
weather_info_tool = Tool(
name="get_weather_info",
func=get_weather_info,
description="Fetches real weather information for a given location. Provide the city name and optionally the country code (e.g., 'London' or 'London,UK')."
)
def get_hub_stats(author: str) -> str:
"""Fetches the most downloaded model from a specific author on the Hugging Face Hub."""
try:
# List models from the specified author, sorted by downloads
models = list(list_models(author=author, sort="downloads", direction=-1, limit=1))
if models:
model = models[0]
return f"The most downloaded model by {author} is {model.id} with {model.downloads:,} downloads."
else:
return f"No models found for author {author}."
except Exception as e:
return f"Error fetching models for {author}: {str(e)}"
# Initialize the tool
hub_stats_tool = Tool(
name="get_hub_stats",
func=get_hub_stats,
description="Fetches the most downloaded model from a specific author on the Hugging Face Hub."
)
search_tool = DuckDuckGoSearchResults()