app.py

from langchain.utilities import SearxSearchWrapper
import gradio as gr

# Initialize the SearxNG search wrapper
# You can replace this URL with any SearXNG instance you prefer
searx = SearxSearchWrapper(searx_host="https://searx.thegpm.org")

def search_news(query, num_results=5):
    try:
        # Perform the search
        search_results = searx.results(query, num_results=num_results)
        
        # Format the output
        formatted_results = "Search Results:\n\n"
        for i, result in enumerate(search_results, 1):
            formatted_results += f"{i}. {result['title']}\n"
            formatted_results += f"   URL: {result['link']}\n"
            formatted_results += f"   Snippet: {result['snippet']}\n\n"
        
        return formatted_results
    
    except Exception as e:
        return f"An error occurred: {str(e)}"

# Create Gradio interface
iface = gr.Interface(
    fn=search_news,
    inputs=[
        gr.Textbox(label="Enter a news topic to search for"),
        gr.Slider(minimum=1, maximum=10, value=5, step=1, label="Number of results")
    ],
    outputs=gr.Textbox(label="Search Results", lines=20),
    title="News Search with LangChain and SearXNG",
    description="Search for news articles using SearXNG through LangChain."
)

iface.launch()