app_minimal.py

#!/usr/bin/env python3
"""
Minimal working Gradio app to test deployment
"""

import gradio as gr
import logging

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def greet(name):
    """Simple greeting function"""
    logger.info(f"Greeting user: {name}")
    return f"Hello {name}! 🚀 Trading Dashboard works!"

def refresh_data():
    """Simple refresh function"""
    logger.info("Refreshing data...")
    return "Data refreshed! ✅"

def create_minimal_dashboard():
    """Create minimal dashboard to test Gradio"""
    
    logger.info("🚀 Creating minimal dashboard...")
    
    with gr.Blocks(title="Test Dashboard") as demo:
        logger.info("🎨 Inside Blocks context...")
        
        gr.Markdown("# 🧪 Test Trading Dashboard")
        
        with gr.Row():
            name_input = gr.Textbox(label="Your Name", placeholder="Enter your name")
            greeting_output = gr.Textbox(label="Greeting", interactive=False)
        
        with gr.Row():
            greet_btn = gr.Button("👋 Greet", variant="primary")
            refresh_btn = gr.Button("🔄 Refresh", variant="secondary")
        
        status_output = gr.Textbox(label="Status", interactive=False)
        
        # Event handlers - INSIDE the Blocks context
        logger.info("🔗 Setting up event handlers...")
        
        greet_btn.click(
            fn=greet,
            inputs=[name_input],
            outputs=[greeting_output]
        )
        
        refresh_btn.click(
            fn=refresh_data,
            outputs=[status_output]
        )
        
        # Initial load
        demo.load(
            fn=lambda: "Ready to test! 🎯",
            outputs=[status_output]
        )
        
        demo.queue()
        logger.info("✅ Event handlers configured successfully")
    
    logger.info("✅ Dashboard created successfully")
    return demo

if __name__ == "__main__":
    logger.info("🚀 Starting minimal test dashboard...")
    
    try:
        demo = create_minimal_dashboard()
        logger.info("✅ Dashboard created successfully!")
        
        logger.info("🚀 Launching dashboard server...")
        demo.launch()
        logger.info("✅ Dashboard launched successfully!")
        
    except Exception as e:
        logger.error(f"❌ Dashboard failed: {e}")
        raise