Function get_free_port

pywebio/utils.py:272–280

pick a free port number :return int: port number

()

def get_free_port():
    """
    pick a free port number
    :return int: port number
    """
    with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
        s.bind(('', 0))
        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        return s.getsockname()[1]


def random_str(length=16):