app.py

import gradio as gr
from tavily import TavilyClient


def get_city_weather_info(city_name):
    """
    Search for current weather information about a city using Tavily search API

    Args:
        city_name (str): Name of the city
        api_key (str): Your Tavily API key

    Returns:
        dict: Search results containing weather information
    """
    # Initialize Tavily client
    client = TavilyClient()

    # Search for current weather information
    search_query = f"current weather in {city_name} temperature humidity conditions"

    try:
        # Perform the search
        response = client.search(
            query=search_query, search_depth="basic", max_results=5
        )

        # Extract relevant information from search results
        weather_info = {"city": city_name, "search_query": search_query, "results": []}

        # Process each search result
        for result in response.get("results", []):
            weather_info["results"].append(
                {
                    "title": result.get("title", ""),
                    "content": result.get("content", ""),
                    "url": result.get("url", ""),
                }
            )

        # Add the answer if available
        if "answer" in response:
            weather_info["summary"] = response["answer"]

        return weather_info

    except Exception as e:
        return {
            "city": city_name,
            "error": f"Failed to fetch weather information: {str(e)}",
        }


def get_city_news(city_name):
    """
    Fetches the top 5 news articles for a given city using the Tavily API.

    Args:
        city_name (str): Name of the city

    Returns:
        dict: News results containing the top 5 articles or an error message
    """
    # Initialize Tavily client
    client = TavilyClient()

    # Search query for news about the city
    search_query = f"Top 5 latest news articles about {city_name}, including major events, politics, economy, and local updates."

    try:
        # Perform the search
        response = client.search(
            query=search_query,
            search_depth="advanced",
            max_results=5,
        )

        # Extract relevant information from search results
        news_info = {"city": city_name, "search_query": search_query, "articles": []}

        # Process each search result
        for result in response.get("results", []):
            news_info["articles"].append(
                {
                    "title": result.get("title", ""),
                    "content": result.get("content", ""),
                    "url": result.get("url", ""),
                }
            )

        # Add the answer if available
        if "answer" in response:
            news_info["summary"] = response["answer"]

        return news_info

    except Exception as e:
        return {"city": city_name, "error": f"Failed to fetch news: {str(e)}"}


# Create Gradio interfaces
weather_demo = gr.Interface(
    fn=get_city_weather_info,
    inputs=gr.Textbox(label="Enter City Name", placeholder="e.g., New York"),
    outputs=gr.JSON(label="Weather Information"),
    description="Get current weather details for a city.",
)

news_demo = gr.Interface(
    fn=get_city_news,
    inputs=gr.Textbox(label="Enter City Name", placeholder="e.g., London"),
    outputs=gr.JSON(label="News Articles"),
    description="Get the latest news articles for a city.",
)

# Create tabbed interface
demo = gr.TabbedInterface(
    [weather_demo, news_demo], ["Weather", "News"], title="City Information Hub"
)

if __name__ == "__main__":
    # Launch without MCP server to avoid initialization issues
    demo.launch(share=False, mcp_server=True, debug=True)