Function bind_unused_port

tornado/testing.py:49–68

Binds a server socket to an available port on localhost. Returns a tuple (socket, port). .. versionchanged:: 4.4 Always binds to ``127.0.0.1`` without resolving the name ``localhost``. .. versionchanged:: 6.2 Added optional ``address`` argument to override

(
    reuse_port: bool = False, address: str = "127.0.0.1"
)

def bind_unused_port(
    reuse_port: bool = False, address: str = "127.0.0.1"
) -> Tuple[socket.socket, int]:
    """Binds a server socket to an available port on localhost.

    Returns a tuple (socket, port).

    .. versionchanged:: 4.4
       Always binds to ``127.0.0.1`` without resolving the name
       ``localhost``.

    .. versionchanged:: 6.2
       Added optional ``address`` argument to
       override the default "127.0.0.1".
    """
    sock = netutil.bind_sockets(
        0, address, family=socket.AF_INET, reuse_port=reuse_port
    )[0]
    port = sock.getsockname()[1]
    return sock, port


def get_async_test_timeout() -> float: