iota_client.post_device(device=device1)

try:
    iota_client.post_device(device=device1)  # Exception because duplicate device
except Exception as e:
    print(e)

iota_client.post_device(device=device1)

try:
    iota_client.update_device(device=device1)  # Exception because no device entity in OCB
except Exception as e:
    print(e)

class DeviceUpdateException(Exception):
    def __init__(self, message, response):
        super().__init__(message)
        self.response = response

class IoTAClient(BaseHttpClient):
    def update_device(self, *, device: Device, add: bool = True) -> None:
        """
        Updates a device from the device registry.
        Adds, removes attributes from the device entry and changes
        attributes values.
        It does not change device settings (endpoint,..) and only adds
        attributes to the corresponding entity, their it does not
        change any attribute value and does not delete removed attributes

        Args:
            device:
            add (bool): If device not found add it
        Returns:
            None
        """
        url = urljoin(self.base_url, f'iot/devices/{device.device_id}')
        headers = self.headers
        try:
            res = self.put(url=url, headers=headers, json=device.model_dump(
                include={'attributes', 'lazy', 'commands', 'static_attributes'},
                exclude_none=True))
            if res.ok:
                self.logger.info("Device '%s' successfully updated!",
                                 device.device_id)
            elif (res.status_code == 404) & (add is True):
                self.post_device(device=device, update=False)
            else:
                res.raise_for_status()
        except requests.RequestException as err:
            msg = f"Could not update device '{device.device_id}'"
            self.log_error(err=err, msg=msg)
            raise DeviceUpdateException(msg, res) from err