Function __run_socket_server

sdk/python/packages/flet/src/flet/app.py:365–400

Start Flet socket server transport and return active connection object. Args: port: TCP port to bind (`0` lets OS choose). main: User app entry handler. before_main: Optional hook called before `main`. blocking: Whether server should run in blocking mode.

(
    port: int = 0,
    main: Optional[AppCallable] = None,
    before_main: Optional[AppCallable] = None,
    blocking: bool = False,
)

async def __run_socket_server(
    port: int = 0,
    main: Optional[AppCallable] = None,
    before_main: Optional[AppCallable] = None,
    blocking: bool = False,
):
    """
    Start Flet socket server transport and return active connection object.

    Args:
        port: TCP port to bind (`0` lets OS choose).
        main: User app entry handler.
        before_main: Optional hook called before `main`.
        blocking: Whether server should run in blocking mode.

    Returns:
        Started socket-server connection instance.
    """

    from flet.messaging.flet_socket_server import FletSocketServer

    uds_path = os.getenv("FLET_SERVER_UDS_PATH")

    executor = concurrent.futures.ThreadPoolExecutor()

    conn = FletSocketServer(
        loop=asyncio.get_running_loop(),
        port=port,
        uds_path=uds_path,
        on_session_created=__get_on_session_created(main),
        before_main=before_main,
        blocking=blocking,
        executor=executor,
    )
    await conn.start()
    return conn


async def __run_web_server(