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How to use port_can_be_bound method in localstack

Best Python code snippet using localstack_python

runner.py

Source:runner.py

...65        self.stopper = run_config.stopper66        if run_config.web_routes is not None:67            assert isinstance(run_config.web_bind_address, str)68            if run_config.web_bind_port is not None \69               and not port_can_be_bound(run_config.web_bind_port,70                                         run_config.web_bind_address) \71               and run_config.allow_port_reallocation:72                run_config.web_bind_port = None73            if run_config.web_bind_port is None:74                if run_config.allow_port_reallocation:75                    run_config.web_bind_port = get_next_free_tcp_port(76                        run_config.web_bind_address)77                else:78                    RuntimeError(f'Cannot bind port {run_config.web_bind_port}')79            web = aiohttp.web.Application()80            web.add_routes(run_config.web_routes)81            self.web = web82            self.web_bind_address = run_config.web_bind_address83            self.web_bind_port = run_config.web_bind_port...

broker.py

Source:broker.py

...34          (<popen object>, <bind_address>, <listening port>, <process_output>)35    """36    if bind_port is None:37        bind_port = DEFAULT_MQTT_PORT38    if not port_can_be_bound(bind_port, bind_address) and allow_port_reallocation:39        bind_port = get_next_free_tcp_port(bind_address)40    elif (not port_can_be_bound(bind_port, bind_address)41          and not allow_port_reallocation):42        raise RuntimeError(f"Port '{bind_port}' cannot be bound on {bind_address}")43    if exec_path is None:44        exec_path = 'mosquitto'45    with tempfile.NamedTemporaryFile(suffix='.conf') as config:46        config.write(MOSQUITTO_CONF.format(bind_address, bind_port).encode('utf-8'))47        config.flush()48        with launch_program([exec_path, '-c', config.name],49                            b'mosquitto version.*starting') as daemon:50            process, out = daemon51            yield (process, bind_address, bind_port, out)52@contextmanager53def launch_mosquitto_from_config(cfg: BrokerConfig, read_log=False):54    """Given a configuration instance, start a broker process....

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