f" Default {default.name.lower()}.",

    )

def add_version_argument(parser: argparse.ArgumentParser) -> argparse.Action:

    progname = parser.prog or sys.argv[0]

    return parser.add_argument(

        '--version', '--copyright', '--license',

        action=InfoAction,

        nargs=0,

        const=f"{progname} version {VERSION}\n{LICENSE}",

        help="Show program version and license information",

    )

def date_arg(arg: str) -> datetime.date:

    return datetime.datetime.strptime(arg, '%Y-%m-%d').date()

def year_or_date_arg(arg: str) -> Union[int, datetime.date]:

    """Get either a date or a year (int) from an argument string

    This is a useful argument type for arguments that will be passed into

    Books loader methods which can accept either a fiscal year or a full date.

    """

    try:

        year = int(arg, 10)

    except ValueError:

        ok = False

    else:

        ok = datetime.MINYEAR <= year <= datetime.MAXYEAR

    if ok:

        return year

    else:

        return date_arg(arg)

        metavar='FILTER',

        type=cliutil.SearchTerm.arg_parser('project', 'rt-id'),

        nargs=argparse.ZERO_OR_MORE,

        help="""Report on postings that match this criteria. The format is

NAME=TERM. TERM is a link or word that must exist in a posting's NAME

metadata to match. A single ticket number is a shortcut for

`rt-id=rt:NUMBER`. Any other word is a shortcut for `project=TERM`.

""")

    args = parser.parse_args(arglist)

    if args.report_type is None:

        if any(term.meta_key == 'project' for term in args.search_terms):

            args.report_type = ReportType.TEXT

        else:

            args.report_type = ReportType.ODS

    return args

def main(arglist: Optional[Sequence[str]]=None,

         stdout: TextIO=sys.stdout,

         stderr: TextIO=sys.stderr,

         config: Optional[configmod.Config]=None,

) -> int:

    args = parse_arguments(arglist)

    cliutil.set_loglevel(logger, args.loglevel)

    if config is None:

        config = configmod.Config()

        config.load_file()

    if args.stop_date is None:

        if args.start_date is None:

            args.stop_date = datetime.date.today()

        else:

    if args.start_date is None:

    returncode = 0

    books_loader = config.books_loader()

    if books_loader is None:

        entries, load_errors, _ = books.Loader.load_none(config.config_file_path())

    else:

        entries, load_errors, _ = books_loader.load_fy_range(args.start_date, args.stop_date)

    for error in load_errors:

        bc_printer.print_error(error, file=stderr)

        returncode |= cliutil.ReturnFlag.LOAD_ERRORS

    postings = (

        post

        for post in data.Posting.from_entries(entries)

        if post.meta.date < args.stop_date

    )

    if args.add_totals is None and args.search_terms:

        args.add_totals = []

    if args.accounts is None:

        if any(term.meta_key == 'project' for term in args.search_terms):

            args.accounts = [

                'Income',

                'Expenses',

                'Assets:Receivable',

                'Assets:Prepaid',

                'Liabilities:UnearnedIncome',

                'Liabilities:Payable',

            ]

        else:

            args.accounts = list(LedgerODS.ACCOUNT_COLUMNS)

    return args

def main(arglist: Optional[Sequence[str]]=None,

         stdout: TextIO=sys.stdout,

         stderr: TextIO=sys.stderr,

         config: Optional[configmod.Config]=None,

) -> int:

    args = parse_arguments(arglist)

    cliutil.set_loglevel(logger, args.loglevel)

    if config is None:

        config = configmod.Config()

        config.load_file()

    today = datetime.date.today()

    if args.start_date is None:

        if args.stop_date is None:

            args.stop_date = today + datetime.timedelta(days=30)

    elif args.stop_date is None:

    returncode = 0

    books_loader = config.books_loader()

    if books_loader is None:

        entries, load_errors, options = books.Loader.load_none(config.config_file_path())

    else:

        entries, load_errors, options = books_loader.load_fy_range(args.start_date, args.stop_date)

    for error in load_errors:

        bc_printer.print_error(error, file=stderr)

        returncode |= cliutil.ReturnFlag.LOAD_ERRORS

    data.Account.load_from_books(entries, options)

    postings = data.Posting.from_entries(entries)

    for search_term in args.search_terms:

        postings = search_term.filter_postings(postings)

    )

    logger.critical("test crit")

    assert stream.getvalue() == "test_cliutil CRITICAL: test crit\n"

@pytest.mark.parametrize('arg', [

    '--license',

    '--version',

    '--copyright',

])

def test_version_argument(argparser, capsys, arg):

    with pytest.raises(SystemExit) as exc_check:

        args = argparser.parse_args(['--version'])

    assert exc_check.value.args[0] == 0

    stdout, _ = capsys.readouterr()

    lines = iter(stdout.splitlines())

    assert re.match(r'^test_cliutil version \d+\.\d+\.\d+', next(lines, "<EOF>"))