Add modern web interface v2 for LED Matrix display control

Co-authored-by: charlesmynard <charlesmynard@gmail.com>

start_web_v2.py

@@ -0,0 +1,108 @@
+#!/usr/bin/env python3
+"""
+LED Matrix Web Interface V2 Startup Script
+Modern, lightweight web interface with real-time display preview and editor mode.
+"""
+
+import os
+import sys
+import subprocess
+import logging
+from pathlib import Path
+
+# Setup logging
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(levelname)s - %(message)s',
+    handlers=[
+        logging.FileHandler('/tmp/web_interface_v2.log'),
+        logging.StreamHandler()
+    ]
+)
+
+logger = logging.getLogger(__name__)
+
+def check_dependencies():
+    """Check if required dependencies are installed."""
+    required_packages = [
+        'flask',
+        'flask_socketio',
+        'PIL',
+        'socketio',
+        'eventlet'
+    ]
+    
+    missing_packages = []
+    for package in required_packages:
+        try:
+            __import__(package)
+        except ImportError:
+            missing_packages.append(package)
+    
+    if missing_packages:
+        logger.warning(f"Missing packages: {missing_packages}")
+        logger.info("Installing missing packages...")
+        try:
+            subprocess.check_call([
+                sys.executable, '-m', 'pip', 'install', '-r', 'requirements_web_v2.txt'
+            ])
+            logger.info("Dependencies installed successfully")
+        except subprocess.CalledProcessError as e:
+            logger.error(f"Failed to install dependencies: {e}")
+            return False
+    
+    return True
+
+def check_permissions():
+    """Check if we have necessary permissions for system operations."""
+    try:
+        # Test sudo access
+        result = subprocess.run(['sudo', '-n', 'true'], capture_output=True)
+        if result.returncode != 0:
+            logger.warning("Sudo access not available. Some system features may not work.")
+            return False
+        return True
+    except Exception as e:
+        logger.error(f"Error checking permissions: {e}")
+        return False
+
+def main():
+    """Main startup function."""
+    logger.info("Starting LED Matrix Web Interface V2...")
+    
+    # Change to script directory
+    script_dir = Path(__file__).parent
+    os.chdir(script_dir)
+    
+    # Check dependencies
+    if not check_dependencies():
+        logger.error("Dependency check failed. Exiting.")
+        sys.exit(1)
+    
+    # Check permissions
+    check_permissions()
+    
+    # Import and start the web interface
+    try:
+        from web_interface_v2 import app, socketio
+        logger.info("Web interface loaded successfully")
+        
+        # Start the server
+        logger.info("Starting web server on http://0.0.0.0:5001")
+        socketio.run(
+            app, 
+            host='0.0.0.0', 
+            port=5001,  # Use port 5001 to avoid conflicts
+            debug=False,
+            allow_unsafe_werkzeug=True
+        )
+        
+    except ImportError as e:
+        logger.error(f"Failed to import web interface: {e}")
+        sys.exit(1)
+    except Exception as e:
+        logger.error(f"Failed to start web interface: {e}")
+        sys.exit(1)
+
+if __name__ == '__main__':
+    main()