How to use the pymodbus.device.ModbusDeviceIdentification function in pymodbus

def testUdpServerInitialize(self):
        protocol = ModbusUdpProtocol(store=None)
        self.assertEqual(protocol.control.Identity.VendorName, '')

        identity = ModbusDeviceIdentification(info={0x00: 'VendorName'})
        protocol = ModbusUdpProtocol(store=None, identity=identity)
        self.assertEqual(protocol.control.Identity.VendorName, 'VendorName')

def testUdpServerSendData(self):
        ''' Test that the modbus udp asyncio server correctly sends data outbound '''
        identity = ModbusDeviceIdentification(info={0x00: 'VendorName'})
        data = b'x\01\x00\x00\x00\x00\x06\x01\x03\x00\x00\x00\x19'
        server = yield from StartUdpServer(context=self.context,address=("127.0.0.1", 0))
        if PYTHON_VERSION >= (3, 7):
            server_task = asyncio.create_task(server.serve_forever())
        else:
            server_task = asyncio.ensure_future(server.serve_forever())
        yield from server.serving
        random_port = server.protocol._sock.getsockname()[1]
        received = server.endpoint.datagram_received = Mock(wraps=server.endpoint.datagram_received)
        done = self.loop.create_future()
        received_value = None

        class BasicClient(asyncio.DatagramProtocol):
            def connection_made(self, transport):
                self.transport = transport
                self.transport.sendto(data)

def run_updating_server():
    # ----------------------------------------------------------------------- # 
    # initialize your data store
    # ----------------------------------------------------------------------- # 
    
    store = ModbusSlaveContext(
        di=ModbusSequentialDataBlock(0, [17]*100),
        co=ModbusSequentialDataBlock(0, [17]*100),
        hr=ModbusSequentialDataBlock(0, [17]*100),
        ir=ModbusSequentialDataBlock(0, [17]*100))
    context = ModbusServerContext(slaves=store, single=True)
    
    # ----------------------------------------------------------------------- # 
    # initialize the server information
    # ----------------------------------------------------------------------- # 
    identity = ModbusDeviceIdentification()
    identity.VendorName = 'pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/bashwork/pymodbus/'
    identity.ProductName = 'pymodbus Server'
    identity.ModelName = 'pymodbus Server'
    identity.MajorMinorRevision = '2.2.0'
    
    # ----------------------------------------------------------------------- # 
    # run the server you want
    # ----------------------------------------------------------------------- # 
    time = 5  # 5 seconds delay
    loop = LoopingCall(f=updating_writer, a=(context,))
    loop.start(time, now=False) # initially delay by time
    StartTcpServer(context, identity=identity, address=("localhost", 5020))

def run_custom_db_server():
    # ----------------------------------------------------------------------- # 
    # initialize your data store
    # ----------------------------------------------------------------------- # 
    block  = CustomDataBlock([0]*100)
    store  = ModbusSlaveContext(di=block, co=block, hr=block, ir=block)
    context = ModbusServerContext(slaves=store, single=True)

    # ----------------------------------------------------------------------- #
    # initialize the server information
    # ----------------------------------------------------------------------- #

    identity = ModbusDeviceIdentification()
    identity.VendorName = 'pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/bashwork/pymodbus/'
    identity.ProductName = 'pymodbus Server'
    identity.ModelName = 'pymodbus Server'
    identity.MajorMinorRevision = '2.2.0'

    # ----------------------------------------------------------------------- #
    # run the server you want
    # ----------------------------------------------------------------------- #

    # p = Process(target=device_writer, args=(queue,))
    # p.start()
    StartTcpServer(context, identity=identity, address=("localhost", 5020))

:param identity: An optional identify structure

        """
        self.decoder = ServerDecoder()
        if isinstance(framer, IModbusFramer):
            self.framer = framer
        else: self.framer = ModbusSocketFramer

        if isinstance(store, ModbusServerContext):
            self.store = store
        else: self.store = ModbusServerContext()

        self.control = ModbusControlBlock()
        self.access = ModbusAccessControl()

        if isinstance(identity, ModbusDeviceIdentification):
            self.control.Identity.update(identity)

# ----------------------------------------------------------------------- # 
    store = ModbusSlaveContext(
        di=ModbusSequentialDataBlock(0, [17]*100),
        co=ModbusSequentialDataBlock(0, [17]*100),
        hr=ModbusSequentialDataBlock(0, [17]*100),
        ir=ModbusSequentialDataBlock(0, [17]*100))
    store.register(CustomModbusRequest.function_code, 'cm',
                   ModbusSequentialDataBlock(0, [17] * 100))
    context = ModbusServerContext(slaves=store, single=True)
    
    # ----------------------------------------------------------------------- # 
    # initialize the server information
    # ----------------------------------------------------------------------- # 
    # If you don't set this or any fields, they are defaulted to empty strings.
    # ----------------------------------------------------------------------- # 
    identity = ModbusDeviceIdentification()
    identity.VendorName = 'Pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/bashwork/pymodbus/'
    identity.ProductName = 'Pymodbus Server'
    identity.ModelName = 'Pymodbus Server'
    identity.MajorMinorRevision = '2.2.0'
    
    # ----------------------------------------------------------------------- # 
    # run the server you want
    # ----------------------------------------------------------------------- # 

    # TCP Server

    StartTcpServer(context, identity=identity, address=("localhost", 5020),
                   custom_functions=[CustomModbusRequest])

store = ModbusSlaveContext(
        di=ModbusSequentialDataBlock(0, [17] * 100),
        co=ModbusSequentialDataBlock(0, [17] * 100),
        hr=ModbusSequentialDataBlock(0, [17] * 100),
        ir=ModbusSequentialDataBlock(0, [17] * 100))

    store.register(CustomModbusRequest.function_code, 'cm',
                   ModbusSequentialDataBlock(0, [17] * 100))
    context = ModbusServerContext(slaves=store, single=True)

    # ----------------------------------------------------------------------- #
    # initialize the server information
    # ----------------------------------------------------------------------- #
    # If you don't set this or any fields, they are defaulted to empty strings.
    # ----------------------------------------------------------------------- #
    identity = ModbusDeviceIdentification()
    identity.VendorName = 'Pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/riptideio/pymodbus/'
    identity.ProductName = 'Pymodbus Server'
    identity.ModelName = 'Pymodbus Server'
    identity.MajorMinorRevision = '2.3.0'

    # ----------------------------------------------------------------------- #
    # run the server you want
    # ----------------------------------------------------------------------- #
    # Tcp:
    StartTcpServer(context, identity=identity, address=("localhost", 5020),
                   custom_functions=[CustomModbusRequest])

# initialize your data store
    # ----------------------------------------------------------------------- #


    store = ModbusSlaveContext(
        di=ModbusSequentialDataBlock(0,range(1,101)),
        co=ModbusSequentialDataBlock(0,range(101,201)),
        hr=ModbusSequentialDataBlock(0,range(201,301)),
        ir=ModbusSequentialDataBlock(0,range(301,401)))

    context = ModbusServerContext(slaves=store, single=True)

    # ----------------------------------------------------------------------- #
    # initialize the server information
    # ----------------------------------------------------------------------- #
    identity = ModbusDeviceIdentification()
    identity.VendorName = 'pymodbus'
    identity.ProductCode = 'PM'
    identity.VendorUrl = 'http://github.com/bashwork/pymodbus/'
    identity.ProductName = 'pymodbus Server'
    identity.ModelName = 'pymodbus Server'
    identity.MajorMinorRevision = '1.0'

    # connect to simulation
    HOST = '127.0.0.1'
    PORT = 55555
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect((HOST, PORT))
    # ----------------------------------------------------------------------- #
    # run the server you want
    # ----------------------------------------------------------------------- #
    time = 1  # 5 seconds delay