run.py

import sys
from PyQt5.QtWidgets import QApplication
from gui import FacebookSchedulerApp
from license_validator import LicenseDialog, check_license
from logger_config import setup_logging, get_logger
from system_handler import SystemHandler

def main():
    try:
        # Setup logging first
        log_file = setup_logging()
        logger = get_logger('main')
        logger.info("Starting application")
        
        # Start system handler
        system_handler = SystemHandler.get_instance()
        system_handler.start()
        
        app = QApplication(sys.argv)
        
        # Check license
        is_valid, data = check_license()
        
        if not is_valid:
            # Show license dialog if no valid license found
            dialog = LicenseDialog()
            if dialog.exec_() != dialog.Accepted:
                sys.exit(1)
            
            # Recheck license after dialog
            is_valid, data = check_license()
            if not is_valid:
                sys.exit(1)
        
        # If we get here, license is valid
        window = FacebookSchedulerApp()
        window.show()
        
        # Run application
        result = app.exec_()
        
        # Cleanup
        system_handler.stop()
        
        return result

    except Exception as e:
        logger.error(f"Application error: {str(e)}", exc_info=True)
        raise

if __name__ == '__main__':
    sys.exit(main())