Function main

backend/server.py:1082–1139

Main function to initialize and start the server

()

        print(f"[{self.date_time_string()}] {format % args}")

def main():
    """Main function to initialize and start the server"""
    PORT = 8000  # 🆕 Define port
    try:
        # Initialize the database
        print("✅ Database initialized successfully")

        # Initialize the PDF processor
        try:
            pdf_module.initialize_simple_pdf_processor()
            print("📄 Initializing simple PDF processing...")
            if pdf_module.simple_pdf_processor:
                print("✅ Simple PDF processor initialized")
            else:
                print("⚠️ PDF processing could not be initialized.")
        except Exception as e:
            print(f"❌ Error initializing PDF processor: {e}")
            print("⚠️ PDF processing disabled - server will run without RAG functionality")

        # Set a global reference to the initialized processor if needed elsewhere
        global pdf_processor
        pdf_processor = pdf_module.simple_pdf_processor
        if pdf_processor:
            print("✅ Global PDF processor initialized")
        else:
            print("⚠️ PDF processing disabled - server will run without RAG functionality")
        
        # Cleanup empty sessions on startup
        print("🧹 Cleaning up empty sessions...")
        cleanup_count = db.cleanup_empty_sessions()
        if cleanup_count > 0:
            print(f"✨ Cleaned up {cleanup_count} empty sessions")
        else:
            print("✨ No empty sessions to clean up")

        # Start the server
        with ReusableTCPServer(("", PORT), ChatHandler) as httpd:
            print(f"🚀 Starting localGPT backend server on port {PORT}")
            print(f"📍 Chat endpoint: http://localhost:{PORT}/chat")
            print(f"🔍 Health check: http://localhost:{PORT}/health")
            
            # Test Ollama connection
            client = OllamaClient()
            if client.is_ollama_running():
                models = client.list_models()
                print(f"✅ Ollama is running with {len(models)} models")
                print(f"📋 Available models: {', '.join(models[:3])}{'...' if len(models) > 3 else ''}")
            else:
                print("⚠️  Ollama is not running. Please start Ollama:")
                print("   Install: https://ollama.ai")
                print("   Run: ollama serve")
            
            print(f"\n🌐 Frontend should connect to: http://localhost:{PORT}")
            print("💬 Ready to chat!\n")
            
            httpd.serve_forever()
    except KeyboardInterrupt:
        print("\n🛑 Server stopped")