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How to use get_free_tcp_port method in localstack

Best Python code snippet using localstack_python

server_sockets_test.py

Source:server_sockets_test.py

...45		server.terminate()46	def test_default_socket(self):47		self._test_connect([], "allow", [], "hello", ":", EXIT_OK)48	def test_tcp_socket(self):49		port = get_free_tcp_port()50		self._test_connect(["--bind-tcp=0.0.0.0:%i" % port], "allow", [], "hello", "tcp/127.0.0.1:%i/" % port, EXIT_OK)51		self._test_connect(["--bind-tcp=0.0.0.0:%i" % port], "allow", [], "hello", "ws/127.0.0.1:%i/" % port, EXIT_OK)52	def test_ws_socket(self):53		port = get_free_tcp_port()54		self._test_connect(["--bind-ws=0.0.0.0:%i" % port], "allow", [], "hello", "ws/127.0.0.1:%i/" % port, EXIT_OK)55	def test_ssl(self):56		server = None57		display_no = self.find_free_display_no()58		display = ":%s" % display_no59		tcp_port = get_free_tcp_port()60		ws_port = get_free_tcp_port()61		wss_port = get_free_tcp_port()62		ssl_port = get_free_tcp_port()63		try:64			tmpdir = tempfile.mkdtemp(suffix='ssl-xpra')65			certfile = os.path.join(tmpdir, "self.pem")66			openssl_command = [67				"openssl", "req", "-new", "-newkey", "rsa:4096", "-days", "2", "-nodes", "-x509",68				"-subj", "/C=US/ST=Denial/L=Springfield/O=Dis/CN=localhost",69				"-keyout", certfile, "-out", certfile,70				]71			openssl = self.run_command(openssl_command)72			assert pollwait(openssl, 10)==0, "openssl certificate generation failed"73			cert_data = load_binary_file(certfile)74			log("generated cert data: %s", repr_ellipsized(cert_data))75			if not cert_data:76				#cannot run openssl? (happens from rpmbuild)...

server.py

Source:server.py

...18from user_srv.settings import settings19def on_exit(signo, frame):20    logger.info("è¿ç¨ä¸æ")21    sys.exit(0)22def get_free_tcp_port():23    tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)24    tcp.bind(("", 0))25    _, port = tcp.getsockname()26    tcp.close()27    return port28def serve():29    parser = argparse.ArgumentParser()30    parser.add_argument('--ip',31                        nargs="?",32                        type=str,33                        default="192.168.245.1",34                        help="binding ip"35                        )36    parser.add_argument('--port',37                        nargs="?",38                        type=int,39                        default=0,40                        help="the listening port"41                        )42    args = parser.parse_args()43    if args.port == 0:44        port = get_free_tcp_port()45    else:46        port = args.port47    logger.add("logs/user_srv_{time}.log")48    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))49    # æ³¨åç¨æ·æå¡50    user_pb2_grpc.add_UserServicer_to_server(UserServicer(), server)51    # æ³¨åå¥åº·æ£æ¥52    health_servicer = health.HealthServicer()53    health_pb2_grpc.add_HealthServicer_to_server(health_servicer, server)54    server.add_insecure_port(f'{args.ip}:{port}')55    """56        windowsä¸æ¯æçä¿¡å·æ¯æéçï¼57            SIGINT ctrl+c ä¸æ58            SIGTERM killååºçè½¯ä»¶ç»æ¢59    """60    # ä¸»è¿ç¨éåºä¿¡å·çå¬61    signal.signal(signal.SIGINT, on_exit)62    signal.signal(signal.SIGTERM, on_exit)63    logger.info(f"å¯å¨æå¡ï¼{args.ip}:{port}")64    server.start()65    logger.info(f"æå¡æ³¨åå¼å§")66    register = consul.ConsulRegister(settings.CONSUL_HOST, settings.CONSUL_PORT)67    # æ²¡ææ³¨åæå68    if not register.register(name=settings.SERVICE_NAME, id=settings.SERVICE_NAME,69                             address=args.ip, port=port, tags=settings.SERVICE_TAGS, check=None):70        logger.info(f"æå¡æ³¨åå¤±è´¥")71        sys.exit(0)72    logger.info(f"æå¡æ³¨åæå")73    server.wait_for_termination()74# @logger.catch75# def my_function(x, y, z):76#     # An error? It's caught anyway!77#     return 1 / (x + y + z)78if __name__ == "__main__":79    # my_function(0,0,0)80    # logger.debug("è°è¯ä¿¡æ¯")81    # logger.info("æ®éä¿¡æ¯")82    # logger.warning("è¦åä¿¡æ¯")83    # logger.error("éè¯¯ä¿¡æ¯")84    # logger.critical("ä¸¥ééè¯¯ä¿¡æ¯")85    # print(get_free_tcp_port())86    logging.basicConfig()...

base_unit_test.py

Source:base_unit_test.py

...3    def setUp(self):4        # generate random docker container name5        self.container_name = self.generate_random_string(15)6        # get a free TCP port for the container7        self.port = self.get_free_tcp_port()8    def tearDown(self):9        from os import system10        system("docker kill {}".format(self.container_name))11    @staticmethod12    def generate_random_string(k: int):13        from random import choice14        from string import ascii_lowercase, digits15        return ''.join(choice(ascii_lowercase + digits) for _ in range(k))16    @staticmethod17    def get_free_tcp_port():18        from socket import socket, AF_INET, SOCK_STREAM19        tcp = socket(AF_INET, SOCK_STREAM)20        tcp.bind(('', 0))21        addr, port = tcp.getsockname()22        tcp.close()23        return port24if __name__ == '__main__':...

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