How to use the txzmq.ZmqEndpointType.connect function in txZMQ

def __init__(self):
        color_init()
        zf = ZmqFactory()
        e = ZmqEndpoint(ZmqEndpointType.connect, ENDPOINT)
        self._conn = ZmqREQConnection(zf, e)

        self.data = []
        if self.service:
            self.data = [self.service]

def __init__(self, cfg, print_json=False):
        self.cfg = cfg

        color_init()
        zf = ZmqFactory()
        e = ZmqEndpoint(ZmqEndpointType.connect, ENDPOINT)
        self._conn = ZmqREQConnection(zf, e)

        self.data = []
        if self.service:
            self.data = [self.service]
        self.print_json = print_json

def __init__(self, remote_host, port, zmq_factory, data_manager=None):

        self.data_manager = data_manager
        self.remote_host = remote_host
        self.generation_signal_listeners = []

        endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://%s:%d" % (remote_host, port))

        ZmqSubConnection.__init__(self, zmq_factory, endpoint)

def __init__(self, remote_host, port, zmq_factory, data_manager=None):

        self.data_manager = data_manager

        self.remote_host = remote_host

        endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://%s:%d" % (remote_host, port))

        ZmqREQConnection.__init__(self, zmq_factory, endpoint)

def get_zmq_connection():
    zf = ZmqFactory()
    e = ZmqEndpoint(ZmqEndpointType.connect, ENDPOINT)
    return ZmqREQConnection(zf, e)