Function main

ci/debug/port_diagnostic.py:325–348

Main entry point.

()

def main() -> int:
    """Main entry point."""
    parser = argparse.ArgumentParser(
        description="Diagnose serial port locking issues",
        epilog="Example: uv run python ci/debug/port_diagnostic.py COM4",
    )
    parser.add_argument(
        "port", help="Serial port to diagnose (e.g., COM4, /dev/ttyUSB0)"
    )

    args = parser.parse_args()

    try:
        diagnose_port(args.port)
        return 0
    except KeyboardInterrupt as ki:
        handle_keyboard_interrupt(ki)
        raise
    except Exception as e:
        print(f"❌ Error during diagnosis: {e}", file=sys.stderr)
        import traceback

        traceback.print_exc()
        return 1


if __name__ == "__main__":