Python argparse.OPTIONAL Examples

The following are 27 code examples of argparse.OPTIONAL(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module argparse , or try the search function .
Example #1
Source File: __init__.py    From qubes-core-admin with GNU Lesser General Public License v2.1 6 votes vote down vote up
def __init__(self, option_strings, nargs=1, dest='vmnames', help=None,
                 **kwargs):
        if help is None:
            if nargs == argparse.OPTIONAL:
                help = 'at most one domain name'
            elif nargs == 1:
                help = 'a domain name'
            elif nargs == argparse.ZERO_OR_MORE:
                help = 'zero or more domain names'
            elif nargs == argparse.ONE_OR_MORE:
                help = 'one or more domain names'
            elif nargs > 1:
                help = '%s domain names' % nargs
            else:
                raise argparse.ArgumentError(
                    nargs, "Passed unexpected value {!s} as {!s} nargs ".format(
                        nargs, dest))

        super(VmNameAction, self).__init__(option_strings, dest=dest, help=help,
                                           nargs=nargs, **kwargs) 
Example #2
Source File: __init__.py    From qubes-core-admin with GNU Lesser General Public License v2.1 6 votes vote down vote up
def __init__(self, option_strings, nargs=1, dest='vmnames', help=None,
                 **kwargs):
        # pylint: disable=redefined-builtin
        if help is None:
            if nargs == argparse.OPTIONAL:
                help = 'at most one running domain'
            elif nargs == 1:
                help = 'running domain name'
            elif nargs == argparse.ZERO_OR_MORE:
                help = 'zero or more running domains'
            elif nargs == argparse.ONE_OR_MORE:
                help = 'one or more running domains'
            elif nargs > 1:
                help = '%s running domains' % nargs
            else:
                raise argparse.ArgumentError(
                    nargs, "Passed unexpected value {!s} as {!s} nargs ".format(
                        nargs, dest))
        super(RunningVmNameAction, self).__init__(
            option_strings, dest=dest, help=help, nargs=nargs, **kwargs) 
Example #3
Source File: custom_help_formatter.py    From GTDBTk with GNU General Public License v3.0 6 votes vote down vote up
def _get_help_string(self, action):
        """Place default value in help string."""
        h = action.help
        if '%(default)' not in action.help:
            if action.default != '' and action.default != [] and \
                    action.default is not None and \
                    not isinstance(type(action.default), bool):
                if action.default is not argparse.SUPPRESS:
                    defaulting_nargs = [
                        argparse.OPTIONAL, argparse.ZERO_OR_MORE]

                    if action.option_strings or action.nargs in defaulting_nargs:
                        if '\n' in h:
                            lines = h.splitlines()
                            lines[0] += ' (default: %(default)s)'
                            h = '\n'.join(lines)
                        else:
                            h += ' (default: %(default)s)'
            return h 
Example #4
Source File: custom_help_formatter.py    From SqueezeMeta with GNU General Public License v3.0 6 votes vote down vote up
def _get_help_string(self, action):
        """Place default value in help string."""
        h = action.help
        if '%(default)' not in action.help:
            if action.default != '' and action.default != [] and action.default is not None and type(action.default) != bool:
                if action.default is not argparse.SUPPRESS:
                    defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]

                    if action.option_strings or action.nargs in defaulting_nargs:
                        if '\n' in h:
                            lines = h.splitlines()
                            lines[0] += ' (default: %(default)s)'
                            h = '\n'.join(lines)
                        else:
                            h += ' (default: %(default)s)'
            return h 
Example #5
Source File: __init__.py    From openaps-predict with MIT License 6 votes vote down vote up
def configure_app(app, parser):
        parser.add_argument(
            'history',
            help='JSON-encoded pump history data file, normalized by openapscontrib.mmhistorytools'
        )

        parser.add_argument(
            '--absorption-time',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The total length of carbohydrate absorption in minutes'
        )

        parser.add_argument(
            '--absorption-delay',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The delay time between a dosing event and when absorption begins'
        ) 
Example #6
Source File: test_argparse_custom.py    From cmd2 with MIT License 6 votes vote down vote up
def test_apcustom_narg_tuple_zero_base():
    parser = Cmd2ArgumentParser()
    arg = parser.add_argument('arg', nargs=(0,))
    assert arg.nargs == argparse.ZERO_OR_MORE
    assert arg.nargs_range is None
    assert "[arg [...]]" in parser.format_help()

    parser = Cmd2ArgumentParser()
    arg = parser.add_argument('arg', nargs=(0, 1))
    assert arg.nargs == argparse.OPTIONAL
    assert arg.nargs_range is None
    assert "[arg]" in parser.format_help()

    parser = Cmd2ArgumentParser()
    arg = parser.add_argument('arg', nargs=(0, 3))
    assert arg.nargs == argparse.ZERO_OR_MORE
    assert arg.nargs_range == (0, 3)
    assert "arg{0..3}" in parser.format_help()


# noinspection PyUnresolvedReferences 
Example #7
Source File: __init__.py    From openaps-predict with MIT License 6 votes vote down vote up
def configure_app(app, parser):
        parser.add_argument(
            'glucose',
            help='JSON-encoded glucose data file in reverse-chronological order'
        )

        parser.add_argument(
            '--prediction-time',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The total length of forward trend extrapolation in minutes. Defaults to 30.'
        )

        parser.add_argument(
            '--calibrations',
            nargs=argparse.OPTIONAL,
            help='JSON-encoded sensor calibrations data file in reverse-chronological order'
        ) 
Example #8
Source File: __init__.py    From qubes-core-admin-client with GNU Lesser General Public License v2.1 6 votes vote down vote up
def __init__(self, option_strings, nargs=1, dest='vmnames', help=None,
                 **kwargs):
        if help is None:
            if nargs == argparse.OPTIONAL:
                help = 'at most one domain name'
            elif nargs == 1:
                help = 'a domain name'
            elif nargs == argparse.ZERO_OR_MORE:
                help = 'zero or more domain names'
            elif nargs == argparse.ONE_OR_MORE:
                help = 'one or more domain names'
            elif nargs > 1:
                help = '%s domain names' % nargs
            else:
                raise argparse.ArgumentError(
                    nargs, "Passed unexpected value {!s} as {!s} nargs ".format(
                        nargs, dest))

        super(VmNameAction, self).__init__(option_strings, dest=dest, help=help,
                                           nargs=nargs, **kwargs) 
Example #9
Source File: __init__.py    From qubes-core-admin-client with GNU Lesser General Public License v2.1 6 votes vote down vote up
def __init__(self, option_strings, nargs=1, dest='vmnames', help=None,
                 **kwargs):
        # pylint: disable=redefined-builtin
        if help is None:
            if nargs == argparse.OPTIONAL:
                help = 'at most one running domain'
            elif nargs == 1:
                help = 'running domain name'
            elif nargs == argparse.ZERO_OR_MORE:
                help = 'zero or more running domains'
            elif nargs == argparse.ONE_OR_MORE:
                help = 'one or more running domains'
            elif nargs > 1:
                help = '%s running domains' % nargs
            else:
                raise argparse.ArgumentError(
                    nargs, "Passed unexpected value {!s} as {!s} nargs ".format(
                        nargs, dest))
        super(RunningVmNameAction, self).__init__(
            option_strings, dest=dest, help=help, nargs=nargs, **kwargs) 
Example #10
Source File: argparser.py    From streamlink with BSD 2-Clause "Simplified" License 5 votes vote down vote up
def _match_argument(self, action, arg_strings_pattern):
        # - https://github.com/streamlink/streamlink/issues/971
        # - https://bugs.python.org/issue9334

        # match the pattern for this action to the arg strings
        nargs_pattern = self._get_nargs_pattern(action)
        match = argparse._re.match(nargs_pattern, arg_strings_pattern)

        # if no match, see if we can emulate optparse and return the
        # required number of arguments regardless of their values
        if match is None:
            nargs = action.nargs if action.nargs is not None else 1
            if isinstance(nargs, numbers.Number) and len(arg_strings_pattern) >= nargs:
                return nargs

        # raise an exception if we weren't able to find a match
        if match is None:
            nargs_errors = {
                None: argparse._('expected one argument'),
                argparse.OPTIONAL: argparse._('expected at most one argument'),
                argparse.ONE_OR_MORE: argparse._('expected at least one argument'),
            }
            default = argparse.ngettext('expected %s argument',
                                        'expected %s arguments',
                                        action.nargs) % action.nargs
            msg = nargs_errors.get(action.nargs, default)
            raise argparse.ArgumentError(action, msg)

        # return the number of arguments matched
        return len(match.group(1)) 
Example #11
Source File: customHelpFormatter.py    From SqueezeMeta with GNU General Public License v3.0 5 votes vote down vote up
def _get_help_string(self, action):
        h = action.help
        if '%(default)' not in action.help:
            if action.default != '' and action.default != [] and action.default != None and action.default != False:
                if action.default is not argparse.SUPPRESS:
                    defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]

                    if action.option_strings or action.nargs in defaulting_nargs:
                        if '\n' in h:
                            lines = h.splitlines()
                            lines[0] += ' (default: %(default)s)'
                            h = '\n'.join(lines)
                        else:
                            h += ' (default: %(default)s)'
            return h 
Example #12
Source File: __init__.py    From openaps-predict with MIT License 5 votes vote down vote up
def configure_app(app, parser):
        parser.add_argument(
            'history',
            help='JSON-encoded pump history data file, normalized by openapscontrib.mmhistorytools'
        )

        parser.add_argument(
            '--settings',
            nargs=argparse.OPTIONAL,
            help='JSON-encoded pump settings file, optional if --insulin-action-curve is set'
        )

        parser.add_argument(
            '--insulin-action-curve',
            nargs=argparse.OPTIONAL,
            type=float,
            choices=range(3, 7),
            help='Insulin action curve, optional if --settings is set'
        )

        parser.add_argument(
            '--insulin-sensitivities',
            help='JSON-encoded insulin sensitivities schedule file'
        )

        parser.add_argument(
            '--basal-dosing-end',
            nargs=argparse.OPTIONAL,
            help='The timestamp at which temp basal dosing should be assumed to end, '
                 'as a JSON-encoded pump clock file'
        )

        parser.add_argument(
            '--absorption-delay',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The delay time between a dosing event and when absorption begins'
        ) 
Example #13
Source File: __init__.py    From openaps-predict with MIT License 5 votes vote down vote up
def configure_app(app, parser):
        parser.add_argument(
            'history',
            help='JSON-encoded pump history data file, normalized by openapscontrib.mmhistorytools'
        )

        parser.add_argument(
            '--carb-ratios',
            help='JSON-encoded carb ratio schedule file'
        )

        parser.add_argument(
            '--insulin-sensitivities',
            help='JSON-encoded insulin sensitivities schedule file'
        )

        parser.add_argument(
            '--absorption-time',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The total length of carbohydrate absorption in minutes'
        )

        parser.add_argument(
            '--absorption-delay',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The delay time between a dosing event and when absorption begins'
        ) 
Example #14
Source File: optparse.py    From pycbc with GNU General Public License v3.0 5 votes vote down vote up
def __init__(self,
                 option_strings,
                 dest,
                 nargs=None,
                 const=None,
                 default=None,
                 type=None,
                 choices=None,
                 required=False,
                 help=None,
                 metavar=None):
        if type is not None:
            self.internal_type=type
        else:
            self.internal_type=str
        new_default = DictWithDefaultReturn(lambda: default)
        #new_default.default_value=default
        if nargs == 0:
            raise ValueError('nargs for append actions must be > 0; if arg '
                             'strings are not supplying the value to append, '
                             'the append const action may be more appropriate')
        if const is not None and nargs != argparse.OPTIONAL:
            raise ValueError('nargs must be %r to supply const'
                             % argparse.OPTIONAL)
        super(MultiDetOptionAction, self).__init__(
            option_strings=option_strings,
            dest=dest,
            nargs=nargs,
            const=const,
            default=new_default,
            type=str,
            choices=choices,
            required=required,
            help=help,
            metavar=metavar) 
Example #15
Source File: pipelineWrapper.py    From protect with Apache License 2.0 5 votes vote down vote up
def _get_help_string(self, action):
        '''
        This module was taken from the RawDescriptionHelpFormatter class
        within argparse.  It deals with the formatting of the description string
        and allows properly formatted descriptions ot be printed without line
        wrapping.
        '''
        help = action.help
        if '%(default)' not in action.help:
            if action.default is not argparse.SUPPRESS:
                defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]
                if action.option_strings or action.nargs in defaulting_nargs:
                    help += ' (default: %(default)s)'
        return help 
Example #16
Source File: qvm_volume.py    From qubes-core-admin-client with GNU Lesser General Public License v2.1 5 votes vote down vote up
def init_info_parser(sub_parsers):
    ''' Add 'info' action related options '''
    info_parser = sub_parsers.add_parser(
        'info', aliases=('i',), help='info about volume')
    info_parser.add_argument(metavar='VM:VOLUME', dest='volume',
                             action=qubesadmin.tools.VMVolumeAction)
    info_parser.add_argument(dest='property', action='store',
        nargs=argparse.OPTIONAL,
        help='Show only this property instead of all of them; use '
             '\'revisions\' to list available revisions')
    info_parser.set_defaults(func=info_volume) 
Example #17
Source File: __init__.py    From qubes-core-admin-client with GNU Lesser General Public License v2.1 5 votes vote down vote up
def __init__(self, want_app=True, want_app_no_instance=False,
                 vmname_nargs=None, **kwargs):

        super(QubesArgumentParser, self).__init__(add_help=False, **kwargs)

        self._want_app = want_app
        self._want_app_no_instance = want_app_no_instance
        self._vmname_nargs = vmname_nargs
        if self._want_app:
            self.add_argument('--qubesxml', metavar='FILE', action='store',
                              dest='app', help=argparse.SUPPRESS)
            self.add_argument('--offline-mode', action='store_true',
                default=None, dest='offline_mode', help=argparse.SUPPRESS)


        self.add_argument('--verbose', '-v', action='count',
                          help='increase verbosity')

        self.add_argument('--quiet', '-q', action='count',
                          help='decrease verbosity')

        self.add_argument('--force-root', action='store_true',
                          default=False, help=argparse.SUPPRESS)

        self.add_argument('--help', '-h', action=SubParsersHelpAction,
                          help='show this help message and exit')

        if self._vmname_nargs in [argparse.ZERO_OR_MORE, argparse.ONE_OR_MORE]:
            vm_name_group = VmNameGroup(self,
                required=(self._vmname_nargs
                          not in [argparse.ZERO_OR_MORE, argparse.OPTIONAL]))
            self._mutually_exclusive_groups.append(vm_name_group)
        elif self._vmname_nargs is not None:
            self.add_argument('VMNAME', nargs=self._vmname_nargs,
                              action=VmNameAction)

        self.set_defaults(verbose=1, quiet=0) 
Example #18
Source File: __init__.py    From qubes-core-admin-client with GNU Lesser General Public License v2.1 5 votes vote down vote up
def parse_qubes_app(self, parser, namespace):
        assert hasattr(namespace, 'app')
        setattr(namespace, 'domains', [])
        app = namespace.app
        if hasattr(namespace, 'all_domains') and namespace.all_domains:
            namespace.domains = [
                vm
                for vm in app.domains
                if not vm.klass == 'AdminVM' and
                   vm.name not in namespace.exclude
            ]
        else:
            if hasattr(namespace, 'exclude') and namespace.exclude:
                parser.error('--exclude can only be used with --all')

            if self.nargs == argparse.OPTIONAL:
                vm_name = getattr(namespace, self.dest, None)
                if vm_name is not None:
                    try:
                        namespace.domains += [app.domains[vm_name]]
                    except KeyError:
                        parser.error('no such domain: {!r}'.format(vm_name))
            else:
                for vm_name in getattr(namespace, self.dest):
                    try:
                        namespace.domains += [app.domains[vm_name]]
                    except KeyError:
                        parser.error('no such domain: {!r}'.format(vm_name)) 
Example #19
Source File: argument_parsing.py    From ClusterRunner with Apache License 2.0 5 votes vote down vote up
def _get_help_string(self, action):
        """
        Appends the default argument value to the help string for non-required args that have default values.

        This implementation is loosely based off of the argparse.ArgumentDefaultsHelpFormatter.
        """
        help_string = action.help
        if not action.required:
            if action.default not in (argparse.SUPPRESS, None):
                defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]
                if action.option_strings or action.nargs in defaulting_nargs:
                    # using old string formatting style here because argparse internals use that
                    help_string += ' (default: %(default)s)'
        return help_string 
Example #20
Source File: argparse_completer.py    From cmd2 with MIT License 5 votes vote down vote up
def __init__(self, arg_action: argparse.Action) -> None:
        self.action = arg_action
        self.min = None
        self.max = None
        self.count = 0
        self.is_remainder = (self.action.nargs == argparse.REMAINDER)

        # Check if nargs is a range
        nargs_range = getattr(self.action, ATTR_NARGS_RANGE, None)
        if nargs_range is not None:
            self.min = nargs_range[0]
            self.max = nargs_range[1]

        # Otherwise check against argparse types
        elif self.action.nargs is None:
            self.min = 1
            self.max = 1
        elif self.action.nargs == argparse.OPTIONAL:
            self.min = 0
            self.max = 1
        elif self.action.nargs == argparse.ZERO_OR_MORE or self.action.nargs == argparse.REMAINDER:
            self.min = 0
            self.max = constants.INFINITY
        elif self.action.nargs == argparse.ONE_OR_MORE:
            self.min = 1
            self.max = constants.INFINITY
        else:
            self.min = self.action.nargs
            self.max = self.action.nargs


# noinspection PyProtectedMember 
Example #21
Source File: CLI.py    From ColorWallpaper with GNU General Public License v3.0 5 votes vote down vote up
def _get_help_string(self, action):
        self.default = None

        if action.default not in (None, argparse.SUPPRESS):
            if action.option_strings or action.nargs in (argparse.OPTIONAL, argparse.ZERO_OR_MORE):
                self.default = self.__format_map.get(action.dest, lambda s: s)(action.default)

        return action.help 
Example #22
Source File: argx.py    From aiven-client with Apache License 2.0 5 votes vote down vote up
def _get_help_string(self, action):
        help_text = action.help
        if '%(default)' not in action.help and action.default is not argparse.SUPPRESS:
            if action.option_strings or action.nargs in [argparse.OPTIONAL, argparse.ZERO_OR_MORE]:
                if (
                        (not isinstance(action.default, bool) and isinstance(action.default, int))
                        or (isinstance(action.default, str) and action.default)
                ):
                    help_text += ' (default: %(default)s)'
        return help_text 
Example #23
Source File: params.py    From ParlAI with MIT License 5 votes vote down vote up
def _get_help_string(self, action):
        help = action.help
        if '%(default)' not in action.help:
            if action.default is not argparse.SUPPRESS:
                defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]
                if action.option_strings or action.nargs in defaulting_nargs:
                    help += ' (default: %(default)s)'
        if (
            hasattr(action, 'recommended')
            and action.recommended
            and action.recommended != action.default
        ):
            help += '(recommended: %(recommended)s)'
            help = help.replace(')(recommended', ', recommended')
        return help 
Example #24
Source File: tune.py    From fastchess with GNU General Public License v3.0 5 votes vote down vote up
def _get_help_string(self, action):
        help = action.help
        if not action.default:
            return help
        if '%(default)' not in action.help:
            if action.default is not argparse.SUPPRESS:
                defaulting_nargs = [argparse.OPTIONAL, argparse.ZERO_OR_MORE]
                if action.option_strings or action.nargs in defaulting_nargs:
                    help += ' (default: %(default)s)'
        return help 
Example #25
Source File: args.py    From review with Mozilla Public License 2.0 4 votes vote down vote up
def parse_args(argv):
    main_parser = argparse.ArgumentParser(add_help=False)
    main_parser.add_argument("--version", action="store_true", help=argparse.SUPPRESS)
    main_parser.add_argument(
        "--trace", "--debug", action="store_true", help=argparse.SUPPRESS
    )
    parser = argparse.ArgumentParser(parents=[main_parser])

    commands_parser = parser.add_subparsers(
        dest="command",
        metavar="COMMAND",
        description="For full command description: moz-phab COMMAND -h",
    )
    commands_parser.required = True

    for command in commands.__all__:
        module = import_module("mozphab.commands.{}".format(command))
        add_parser = getattr(module, "add_parser", None)
        if callable(add_parser):
            add_parser(commands_parser)
            logger.debug("Command added - %s", command)

    help_parser = commands_parser.add_parser("help")
    help_parser.add_argument("command", nargs=argparse.OPTIONAL)
    help_parser.set_defaults(print_help=True)

    # if we're called without a command and from within a repository,
    # default to submit.
    if not argv or (
        not (set(argv) & {"-h", "--help"})
        and argv[0] not in [choice for choice in commands_parser.choices]
        and find_repo_root(os.getcwd())
    ):
        logger.debug("defaulting to `submit`")
        argv.insert(0, "submit")

    main_args, unknown = main_parser.parse_known_args(argv)

    # map --version to the 'version' command
    if main_args.version:
        unknown = ["version"]

    args = parser.parse_args(unknown)

    # copy across parsed main_args; they are defined in `args`, but not set
    for name, value in vars(main_args).items():
        args.__setattr__(name, value)

    # handle the help command here as printing help needs access to the parser
    if hasattr(args, "print_help"):
        help_argv = ["--help"]
        if args.command:
            help_argv.insert(0, args.command)
        # parse_args calls parser.exit() when passed --help
        parser.parse_args(help_argv)

    return args 
Example #26
Source File: __init__.py    From openaps-predict with MIT License 4 votes vote down vote up
def configure_app(app, parser):
        parser.add_argument(
            'history',
            help='JSON-encoded pump history data file, normalized by openapscontrib.mmhistorytools'
        )

        parser.add_argument(
            '--settings',
            nargs=argparse.OPTIONAL,
            help='JSON-encoded pump settings file, optional if --insulin-action-curve is set'
        )

        parser.add_argument(
            '--insulin-action-curve',
            nargs=argparse.OPTIONAL,
            type=float,
            choices=range(3, 7),
            help='Insulin action curve, optional if --settings is set'
        )

        parser.add_argument(
            '--basal-dosing-end',
            nargs=argparse.OPTIONAL,
            help='The timestamp at which temp basal dosing should be assumed to end, '
                 'as a JSON-encoded pump clock file'
        )

        parser.add_argument(
            '--absorption-delay',
            type=int,
            nargs=argparse.OPTIONAL,
            help='The delay time between a dosing event and when absorption begins'
        )

        parser.add_argument(
            '--start-at',
            nargs=argparse.OPTIONAL,
            help='File containing the timestamp at which to truncate the beginning of the output, '
                 'as a JSON-encoded ISO date'
        )

        parser.add_argument(
            '--end-at',
            nargs=argparse.OPTIONAL,
            help='File containing the timestamp at which to truncate the end of the output, '
                 'as a JSON-encoded ISO date'
        ) 
Example #27
Source File: ceph_verify.py    From ceph-lcm with Apache License 2.0 4 votes vote down vote up
def get_options():
    parser = argparse.ArgumentParser(description="Verificator of Ceph version")

    parser.add_argument(
        "-t", "--type",
        default="deb",
        help="Type of the repository. Default is 'deb'."
    )
    parser.add_argument(
        "-c", "--orig-comps",
        default=["main"],
        nargs=argparse.ONE_OR_MORE,
        help="Repository names. 'main' is the default one."
    )
    parser.add_argument(
        "-u", "--repo-url",
        help="URL of the repository"
    )
    parser.add_argument(
        "-d", "--distro-source",
        default="",
        help="release of the repository."
    )
    parser.add_argument(
        "-p", "--package-name",
        default="ceph-common",
        help="package name to verify."
    )
    parser.add_argument(
        "--no-verify-packages",
        action="store_true",
        default=False,
        help="skip package version verification."
    )
    parser.add_argument(
        "--no-verify-installed-versions",
        action="store_true",
        default=False,
        help="skip installed version verification."
    )
    parser.add_argument(
        "--no-verify-repo-candidate",
        action="store_true",
        default=False,
        help="skip verification of remote APT repo."
    )

    parser.add_argument(
        "directory",
        help="directory with fetched files."
    )
    parser.add_argument(
        "raw_deb_url",
        nargs=argparse.OPTIONAL,
        help="raw repo string to use. If set, then -u, -c, -d and -t "
             "are ignored."
    )

    return parser.parse_args()