def launch_gateway_server_process()

in pypaimon/py4j/gateway_server.py [0:0]

• 25 lines of code
• 2 McCabe index (conditional complexity)

def launch_gateway_server_process(env):
    java_executable = find_java_executable()
    # TODO construct Java module log settings
    log_settings = []
    jvm_args = env.get(constants.PYPAIMON_JVM_ARGS, '').split()
    classpath = _get_classpath(env)
    main_args = env.get(constants.PYPAIMON_MAIN_ARGS, '').split()
    command = [
        java_executable,
        *jvm_args,
        # default jvm args
        "-XX:+IgnoreUnrecognizedVMOptions",
        "--add-opens=jdk.proxy2/jdk.proxy2=ALL-UNNAMED",
        *log_settings,
        "-cp",
        classpath,
        "-c",
        constants.PYPAIMON_MAIN_CLASS,
        *main_args
    ]

    preexec_fn = None
    if not on_windows():
        def preexec_func():
            # ignore ctrl-c / SIGINT
            signal.signal(signal.SIGINT, signal.SIG_IGN)

        preexec_fn = preexec_func
    return Popen(list(filter(lambda c: len(c) != 0, command)),
                 stdin=PIPE, stderr=PIPE, preexec_fn=preexec_fn, env=env)