greenbone / python-gvm

            _xmlftime.add_element('month', str(first_time_month))

            _xmlftime.add_element('year', str(first_time_year))

        if duration:

            if not duration_unit:

                raise RequiredArgument(

                    'Setting duration requires duration_unit argument')

            if not duration_unit in TIME_UNITS:

                raise InvalidArgument(

                    'duration_unit must be one of {units} but {actual} has '

                    'been passed'.format(

                        units=', '.join(TIME_UNITS), actual=duration_unit))

            _xmlduration = cmd.add_element('duration', str(duration))

            _xmlduration.add_element('unit', duration_unit)

        if period:

            if not period_unit:

            _xmlftime.add_element('month', str(first_time_month))

            _xmlftime.add_element('year', str(first_time_year))

        if duration:

            if not duration_unit:

                raise RequiredArgument(

                    'Setting duration requires duration_unit argument')

            if not duration_unit in TIME_UNITS:

                raise InvalidArgument(

                    'duration_unit must be one of {units} but {actual} has '

                    'been passed'.format(

                        units=', '.join(TIME_UNITS), actual=duration_unit))

            _xmlduration = cmd.add_element('duration', str(duration))

            _xmlduration.add_element('unit', duration_unit)

        if period:

            if not period_unit: