greenbone / python-gvm

        return self._send_xml_command(cmd)

    def modify_task(

        self,

        task_id: str,

        *,

        name: Optional[str] = None,

        config_id: Optional[str] = None,

        target_id: Optional[str] = None,

        scanner_id: Optional[str] = None,

        alterable: Optional[bool] = None,

        hosts_ordering: Optional[HostsOrdering] = None,

        schedule_id: Optional[str] = None,

        schedule_periods: Optional[int] = None,

        comment: Optional[str] = None,

        alert_ids: Optional[List[str]] = None,

        observers: Optional[List[str]] = None,

        preferences: Optional[dict] = None,

    ) -> Any:

        """Modifies an existing task.

        Arguments:

            task_id: UUID of task to modify.

            name: The name of the task.

            config_id: UUID of scan config to use by the task

            target_id: UUID of target to be scanned

            scanner_id: UUID of scanner to use for scanning the target

            comment: The comment on the task.

            alert_ids: List of UUIDs for alerts to be applied to the task

            hosts_ordering: The order hosts are scanned in

            schedule_id: UUID of a schedule when the task should be run.

            schedule_periods: A limit to the number of times the task will be

                scheduled, or 0 for no limit.

            observers: List of names or ids of users which should be allowed to

                observe this task

            preferences: Name/Value pairs of scanner preferences.

        Returns:

            The response. See :py:meth:`send_command` for details.

        """

        if not task_id:

            raise RequiredArgument(

                function=self.modify_task.__name__, argument='task_id argument'

            )

        cmd = XmlCommand("modify_task")

        cmd.set_attribute("task_id", task_id)

        if name:

            cmd.add_element("name", name)

        if comment:

            cmd.add_element("comment", comment)

        if config_id:

            cmd.add_element("config", attrs={"id": config_id})

        if target_id:

            cmd.add_element("target", attrs={"id": target_id})

        if alterable is not None:

            cmd.add_element("alterable", _to_bool(alterable))

        if hosts_ordering:

            if not isinstance(hosts_ordering, HostsOrdering):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='hosts_ordering',

                    arg_type=HostsOrdering.__name__,

                )

            cmd.add_element("hosts_ordering", hosts_ordering.value)

        if scanner_id:

            cmd.add_element("scanner", attrs={"id": scanner_id})

        if schedule_id:

            cmd.add_element("schedule", attrs={"id": schedule_id})

        if schedule_periods is not None:

            if (

                not isinstance(schedule_periods, numbers.Integral)

                or schedule_periods < 0

            ):

                raise InvalidArgument(

                    "schedule_periods must be an integer greater or equal "

                    "than 0"

                )

            cmd.add_element("schedule_periods", str(schedule_periods))

        if alert_ids is not None:

            if not _is_list_like(alert_ids):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='alert_ids',

                    arg_type='list',

                )

            if len(alert_ids) == 0:

                cmd.add_element("alert", attrs={"id": "0"})

            else:

                for alert in alert_ids:

                    cmd.add_element("alert", attrs={"id": str(alert)})

        if observers is not None:

            if not _is_list_like(observers):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='observers',

                    arg_type='list',

                )

            cmd.add_element("observers", _to_comma_list(observers))

        if preferences is not None:

            if not isinstance(preferences, collections.abc.Mapping):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='preferences',

                    arg_type=collections.abc.Mapping.__name__,

                )

            _xmlprefs = cmd.add_element("preferences")

            for pref_name, pref_value in preferences.items():

                _xmlpref = _xmlprefs.add_element("preference")

                _xmlpref.add_element("scanner_name", pref_name)

                _xmlpref.add_element("value", str(pref_value))

        return self._send_xml_command(cmd)

    def modify_user(

        self,

        return self._send_xml_command(cmd)

    def modify_task(

        self,

        task_id: str,

        *,

        name: Optional[str] = None,

        config_id: Optional[str] = None,

        target_id: Optional[str] = None,

        scanner_id: Optional[str] = None,

        alterable: Optional[bool] = None,

        hosts_ordering: Optional[HostsOrdering] = None,

        schedule_id: Optional[str] = None,

        schedule_periods: Optional[int] = None,

        comment: Optional[str] = None,

        alert_ids: Optional[List[str]] = None,

        observers: Optional[List[str]] = None,

        preferences: Optional[dict] = None,

    ) -> Any:

        """Modifies an existing task.

        Arguments:

            task_id: UUID of task to modify.

            name: The name of the task.

            config_id: UUID of scan config to use by the task

            target_id: UUID of target to be scanned

            scanner_id: UUID of scanner to use for scanning the target

            comment: The comment on the task.

            alert_ids: List of UUIDs for alerts to be applied to the task

            hosts_ordering: The order hosts are scanned in

            schedule_id: UUID of a schedule when the task should be run.

            schedule_periods: A limit to the number of times the task will be

                scheduled, or 0 for no limit.

            observers: List of names or ids of users which should be allowed to

                observe this task

            preferences: Name/Value pairs of scanner preferences.

        Returns:

            The response. See :py:meth:`send_command` for details.

        """

        if not task_id:

            raise RequiredArgument(

                function=self.modify_task.__name__, argument='task_id argument'

            )

        cmd = XmlCommand("modify_task")

        cmd.set_attribute("task_id", task_id)

        if name:

            cmd.add_element("name", name)

        if comment:

            cmd.add_element("comment", comment)

        if config_id:

            cmd.add_element("config", attrs={"id": config_id})

        if target_id:

            cmd.add_element("target", attrs={"id": target_id})

        if alterable is not None:

            cmd.add_element("alterable", _to_bool(alterable))

        if hosts_ordering:

            if not isinstance(hosts_ordering, HostsOrdering):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='hosts_ordering',

                    arg_type=HostsOrdering.__name__,

                )

            cmd.add_element("hosts_ordering", hosts_ordering.value)

        if scanner_id:

            cmd.add_element("scanner", attrs={"id": scanner_id})

        if schedule_id:

            cmd.add_element("schedule", attrs={"id": schedule_id})

        if schedule_periods is not None:

            if (

                not isinstance(schedule_periods, numbers.Integral)

                or schedule_periods < 0

            ):

                raise InvalidArgument(

                    "schedule_periods must be an integer greater or equal "

                    "than 0"

                )

            cmd.add_element("schedule_periods", str(schedule_periods))

        if alert_ids is not None:

            if not _is_list_like(alert_ids):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='alert_ids',

                    arg_type='list',

                )

            if len(alert_ids) == 0:

                cmd.add_element("alert", attrs={"id": "0"})

            else:

                for alert in alert_ids:

                    cmd.add_element("alert", attrs={"id": str(alert)})

        if observers is not None:

            if not _is_list_like(observers):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='observers',

                    arg_type='list',

                )

            cmd.add_element("observers", _to_comma_list(observers))

        if preferences is not None:

            if not isinstance(preferences, collections.abc.Mapping):

                raise InvalidArgumentType(

                    function=self.modify_task.__name__,

                    argument='preferences',

                    arg_type=collections.abc.Mapping.__name__,

                )

            _xmlprefs = cmd.add_element("preferences")

            for pref_name, pref_value in preferences.items():

                _xmlpref = _xmlprefs.add_element("preference")

                _xmlpref.add_element("scanner_name", pref_name)

                _xmlpref.add_element("value", str(pref_value))

        return self._send_xml_command(cmd)

    def modify_user(

        self,