argparse.po

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# Translators:
# python-doc bot, 2025
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# Takanori Suzuki <takanori@takanory.net>, 2026
#
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msgid ""
msgstr ""
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#: ../../library/argparse.rst:2
msgid ""
":mod:`!argparse` --- Parser for command-line options, arguments and "
"subcommands"
msgstr ""
":mod:`!argparse` --- コマンドラインオプションや引数、サブコマンド向けのパー"
"サー"

#: ../../library/argparse.rst:9
msgid "**Source code:** :source:`Lib/argparse.py`"
msgstr "**ソースコード:** :source:`Lib/argparse.py`"

#: ../../library/argparse.rst:13
msgid ""
"While :mod:`!argparse` is the default recommended standard library module "
"for implementing basic command line applications, authors with more exacting "
"requirements for exactly how their command line applications behave may find "
"it doesn't provide the necessary level of control. Refer to :ref:`choosing-"
"an-argument-parser` for alternatives to consider when ``argparse`` doesn't "
"support behaviors that the application requires (such as entirely disabling "
"support for interspersed options and positional arguments, or accepting "
"option parameter values that start with ``-`` even when they correspond to "
"another defined option)."
msgstr ""

#: ../../library/argparse.rst-1
msgid "Tutorial"
msgstr "チュートリアル"

#: ../../library/argparse.rst:27
msgid ""
"This page contains the API reference information. For a more gentle "
"introduction to Python command-line parsing, have a look at the :ref:"
"`argparse tutorial <argparse-tutorial>`."
msgstr ""
"このページは API のリファレンス情報が記載しています。:ref:`argparse チュート"
"リアル <argparse-tutorial>` では、コマンドラインの解析についてより優しく説明"
"しています。"

#: ../../library/argparse.rst:31
msgid ""
"The :mod:`!argparse` module makes it easy to write user-friendly command-"
"line interfaces. The program defines what arguments it requires, and :mod:`!"
"argparse` will figure out how to parse those out of :data:`sys.argv`.  The :"
"mod:`!argparse` module also automatically generates help and usage "
"messages.  The module will also issue errors when users give the program "
"invalid arguments."
msgstr ""

#: ../../library/argparse.rst:37
msgid ""
"The :mod:`!argparse` module's support for command-line interfaces is built "
"around an instance of :class:`argparse.ArgumentParser`.  It is a container "
"for argument specifications and has options that apply to the parser as "
"whole::"
msgstr ""

#: ../../library/argparse.rst:41
msgid ""
"parser = argparse.ArgumentParser(\n"
"                    prog='ProgramName',\n"
"                    description='What the program does',\n"
"                    epilog='Text at the bottom of help')"
msgstr ""
"parser = argparse.ArgumentParser(\n"
"                    prog='ProgramName',\n"
"                    description='What the program does',\n"
"                    epilog='Text at the bottom of help')"

#: ../../library/argparse.rst:46
msgid ""
"The :meth:`ArgumentParser.add_argument` method attaches individual argument "
"specifications to the parser.  It supports positional arguments, options "
"that accept values, and on/off flags::"
msgstr ""
":meth:`ArgumentParser.add_argument` メソッドは各引数の仕様をパーサーに付属さ"
"せます。このメソッドは位置引数、値を受け取るオプション、機能のオン／オフを切"
"り替えるフラグをサポートします::"

#: ../../library/argparse.rst:50
msgid ""
"parser.add_argument('filename')           # positional argument\n"
"parser.add_argument('-c', '--count')      # option that takes a value\n"
"parser.add_argument('-v', '--verbose',\n"
"                    action='store_true')  # on/off flag"
msgstr ""
"parser.add_argument('filename')           # 位置引数\n"
"parser.add_argument('-c', '--count')      # 値を取るオプション\n"
"parser.add_argument('-v', '--verbose',\n"
"                    action='store_true')  # オン／オフフラグ"

#: ../../library/argparse.rst:55
msgid ""
"The :meth:`ArgumentParser.parse_args` method runs the parser and places the "
"extracted data in a :class:`argparse.Namespace` object::"
msgstr ""
":meth:`ArgumentParser.parse_args` メソッドはパーサーを実行し、抽出したデータ"
"を :class:`argparse.Namespace` オブジェクト内に配置します::"

#: ../../library/argparse.rst:58
msgid ""
"args = parser.parse_args()\n"
"print(args.filename, args.count, args.verbose)"
msgstr ""

#: ../../library/argparse.rst:62
msgid ""
"If you're looking for a guide about how to upgrade :mod:`optparse` code to :"
"mod:`!argparse`, see :ref:`Upgrading Optparse Code <upgrading-optparse-"
"code>`."
msgstr ""

#: ../../library/argparse.rst:66
msgid "ArgumentParser objects"
msgstr "ArgumentParser オブジェクト"

#: ../../library/argparse.rst:76
msgid ""
"Create a new :class:`ArgumentParser` object. All parameters should be passed "
"as keyword arguments. Each parameter has its own more detailed description "
"below, but in short they are:"
msgstr ""
"新しい :class:`ArgumentParser` オブジェクトを生成します。すべての引数はキー"
"ワード引数として渡すべきです。各引数についてはあとで詳しく説明しますが、簡単"
"に言うと:"

#: ../../library/argparse.rst:80
msgid ""
"prog_ - The name of the program (default: generated from the ``__main__`` "
"module attributes and ``sys.argv[0]``)"
msgstr ""

#: ../../library/argparse.rst:83
msgid ""
"usage_ - The string describing the program usage (default: generated from "
"arguments added to parser)"
msgstr ""
"usage_ - プログラムの利用方法を記述する文字列 (デフォルト: パーサーに追加され"
"た引数から生成されます)"

#: ../../library/argparse.rst:86
msgid ""
"description_ - Text to display before the argument help (by default, no text)"
msgstr ""
"description_ - 引数のヘルプの前に表示されるテキスト (デフォルトはテキストなし"
"です)"

#: ../../library/argparse.rst:89
msgid "epilog_ - Text to display after the argument help (by default, no text)"
msgstr ""
"epilog_ - 引数のヘルプの後に表示されるテキスト (デフォルトはテキストなしです)"

#: ../../library/argparse.rst:91
msgid ""
"parents_ - A list of :class:`ArgumentParser` objects whose arguments should "
"also be included"
msgstr ""
"parents_ - :class:`ArgumentParser` オブジェクトのリストで、このオブジェクトの"
"引数が追加されます"

#: ../../library/argparse.rst:94
msgid "formatter_class_ - A class for customizing the help output"
msgstr "formatter_class_ - ヘルプ出力をカスタマイズするためのクラス"

#: ../../library/argparse.rst:96
msgid ""
"prefix_chars_ - The set of characters that prefix optional arguments "
"(default: '-')"
msgstr ""
"prefix_chars_ - オプションの引数の prefix になる文字集合 (デフォルト: '-')"

#: ../../library/argparse.rst:99
msgid ""
"fromfile_prefix_chars_ - The set of characters that prefix files from which "
"additional arguments should be read (default: ``None``)"
msgstr ""
"fromfile_prefix_chars_ - 追加の引数を読み込むファイルの prefix になる文字集"
"合 (デフォルト: ``None``)"

#: ../../library/argparse.rst:102
msgid ""
"argument_default_ - The global default value for arguments (default: "
"``None``)"
msgstr ""
"argument_default_ - 引数のグローバルなデフォルト値 (デフォルト: ``None``)"

#: ../../library/argparse.rst:105
msgid ""
"conflict_handler_ - The strategy for resolving conflicting optionals "
"(usually unnecessary)"
msgstr "conflict_handler_ - 衝突するオプションを解決する方法 (通常は不要)"

#: ../../library/argparse.rst:108
msgid ""
"add_help_ - Add a ``-h/--help`` option to the parser (default: ``True``)"
msgstr ""
"add_help_ - ``-h/--help`` オプションをパーサーに追加する (デフォルト: "
"``True``)"

#: ../../library/argparse.rst:110
msgid ""
"allow_abbrev_ - Allows long options to be abbreviated if the abbreviation is "
"unambiguous (default: ``True``)"
msgstr ""

#: ../../library/argparse.rst:113
msgid ""
"exit_on_error_ - Determines whether or not :class:`!ArgumentParser` exits "
"with error info when an error occurs. (default: ``True``)"
msgstr ""

#: ../../library/argparse.rst:116
msgid ""
"suggest_on_error_ - Enables suggestions for mistyped argument choices and "
"subparser names (default: ``True``)"
msgstr ""

#: ../../library/argparse.rst:119
msgid "color_ - Allow color output (default: ``True``)"
msgstr ""

#: ../../library/argparse.rst:121
msgid "*allow_abbrev* parameter was added."
msgstr "*allow_abbrev* 引数が追加されました。"

#: ../../library/argparse.rst:124
msgid ""
"In previous versions, *allow_abbrev* also disabled grouping of short flags "
"such as ``-vv`` to mean ``-v -v``."
msgstr ""
"以前のバージョンでは、 *allow_abbrev* は、``-vv`` が ``-v -v`` と等価になるよ"
"うな、短いフラグのグループ化を無効にしていました。"

#: ../../library/argparse.rst:128
msgid "*exit_on_error* parameter was added."
msgstr "*exit_on_error* 引数が追加されました。"

#: ../../library/argparse.rst:131
msgid "*suggest_on_error* and *color* parameters were added."
msgstr ""

#: ../../library/argparse.rst:134
msgid "*suggest_on_error* default changed to ``True``."
msgstr ""

#: ../../library/argparse.rst:137 ../../library/argparse.rst:699
msgid "The following sections describe how each of these are used."
msgstr "以下の節では各オプションの利用方法を説明します。"

#: ../../library/argparse.rst:143
msgid "prog"
msgstr "``prog``"

#: ../../library/argparse.rst:146
msgid ""
"By default, :class:`ArgumentParser` calculates the name of the program to "
"display in help messages depending on the way the Python interpreter was run:"
msgstr ""

#: ../../library/argparse.rst:149
msgid ""
"The :func:`base name <os.path.basename>` of ``sys.argv[0]`` if a file was "
"passed as argument."
msgstr ""

#: ../../library/argparse.rst:151
msgid ""
"The Python interpreter name followed by ``sys.argv[0]`` if a directory or a "
"zipfile was passed as argument."
msgstr ""

#: ../../library/argparse.rst:153
msgid ""
"The Python interpreter name followed by ``-m`` followed by the module or "
"package name if the :option:`-m` option was used."
msgstr ""

#: ../../library/argparse.rst:156
msgid ""
"This default is almost always desirable because it will make the help "
"messages match the string that was used to invoke the program on the command "
"line. However, to change this default behavior, another value can be "
"supplied using the ``prog=`` argument to :class:`ArgumentParser`::"
msgstr ""

#: ../../library/argparse.rst:161
msgid ""
">>> parser = argparse.ArgumentParser(prog='myprogram')\n"
">>> parser.print_help()\n"
"usage: myprogram [-h]\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit"
msgstr ""

#: ../../library/argparse.rst:168
msgid ""
"Note that the program name, whether determined from ``sys.argv[0]``, from "
"the ``__main__`` module attributes or from the ``prog=`` argument, is "
"available to help messages using the ``%(prog)s`` format specifier."
msgstr ""

#: ../../library/argparse.rst:175
msgid ""
">>> parser = argparse.ArgumentParser(prog='myprogram')\n"
">>> parser.add_argument('--foo', help='foo of the %(prog)s program')\n"
">>> parser.print_help()\n"
"usage: myprogram [-h] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
" --foo FOO   foo of the myprogram program"
msgstr ""

#: ../../library/argparse.rst:184
msgid ""
"The default ``prog`` value now reflects how ``__main__`` was actually "
"executed, rather than always being ``os.path.basename(sys.argv[0])``."
msgstr ""

#: ../../library/argparse.rst:189
msgid "usage"
msgstr "usage"

#: ../../library/argparse.rst:191
msgid ""
"By default, :class:`ArgumentParser` calculates the usage message from the "
"arguments it contains. The default message can be overridden with the "
"``usage=`` keyword argument::"
msgstr ""

#: ../../library/argparse.rst:195
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', usage='%(prog)s "
"[options]')\n"
">>> parser.add_argument('--foo', nargs='?', help='foo help')\n"
">>> parser.add_argument('bar', nargs='+', help='bar help')\n"
">>> parser.print_help()\n"
"usage: PROG [options]\n"
"\n"
"positional arguments:\n"
" bar          bar help\n"
"\n"
"options:\n"
" -h, --help   show this help message and exit\n"
" --foo [FOO]  foo help"
msgstr ""

#: ../../library/argparse.rst:208
msgid ""
"The ``%(prog)s`` format specifier is available to fill in the program name "
"in your usage messages."
msgstr ""
"``%(prog)s`` フォーマット指定子を、使用法メッセージ内でプログラム名として利用"
"できます。"

#: ../../library/argparse.rst:211
msgid ""
"When a custom usage message is specified for the main parser, you may also "
"want to consider passing  the ``prog`` argument to :meth:`~ArgumentParser."
"add_subparsers` or the ``prog`` and the ``usage`` arguments to :meth:"
"`~_SubParsersAction.add_parser`, to ensure consistent command prefixes and "
"usage information across subparsers."
msgstr ""

#: ../../library/argparse.rst:221
msgid "description"
msgstr "description"

#: ../../library/argparse.rst:223
msgid ""
"Most calls to the :class:`ArgumentParser` constructor will use the "
"``description=`` keyword argument.  This argument gives a brief description "
"of what the program does and how it works.  In help messages, the "
"description is displayed between the command-line usage string and the help "
"messages for the various arguments."
msgstr ""

#: ../../library/argparse.rst:229
msgid ""
"By default, the description will be line-wrapped so that it fits within the "
"given space.  To change this behavior, see the formatter_class_ argument."
msgstr ""
"デフォルトでは、説明は与えられたスペースに合わせて折り返されます。この挙動を"
"変更するには、formatter_class_ 引数を参照してください。"

#: ../../library/argparse.rst:234
msgid "epilog"
msgstr "epilog"

#: ../../library/argparse.rst:236
msgid ""
"Some programs like to display additional description of the program after "
"the description of the arguments.  Such text can be specified using the "
"``epilog=`` argument to :class:`ArgumentParser`::"
msgstr ""
"いくつかのプログラムは、プログラムについての追加の説明を引数の説明の後に表示"
"します。このテキストは :class:`ArgumentParser` の ``epilog=`` 引数に指定でき"
"ます::"

#: ../../library/argparse.rst:240
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     description='A foo that bars',\n"
"...     epilog=\"And that's how you'd foo a bar\")\n"
">>> parser.print_help()\n"
"usage: argparse.py [-h]\n"
"\n"
"A foo that bars\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
"\n"
"And that's how you'd foo a bar"
msgstr ""

#: ../../library/argparse.rst:253
msgid ""
"As with the description_ argument, the ``epilog=`` text is by default line-"
"wrapped, but this behavior can be adjusted with the formatter_class_ "
"argument to :class:`ArgumentParser`."
msgstr ""
"description_ 引数と同じく、``epilog=`` テキストもデフォルトで折り返され、:"
"class:`ArgumentParser` の formatter_class_ 引数で動作を調整できます。"

#: ../../library/argparse.rst:259
msgid "parents"
msgstr "parents"

#: ../../library/argparse.rst:261
msgid ""
"Sometimes, several parsers share a common set of arguments. Rather than "
"repeating the definitions of these arguments, a single parser with all the "
"shared arguments and passed to ``parents=`` argument to :class:"
"`ArgumentParser` can be used.  The ``parents=`` argument takes a list of :"
"class:`ArgumentParser` objects, collects all the positional and optional "
"actions from them, and adds these actions to the :class:`ArgumentParser` "
"object being constructed::"
msgstr ""
"ときどき、いくつかのパーサーが共通の引数セットを共有することがあります。それ"
"らの引数を繰り返し定義する代わりに、すべての共通引数を持ったパーサーを :"
"class:`ArgumentParser` の ``parents=`` 引数に渡すことができます。 "
"``parents=`` 引数は :class:`ArgumentParser` オブジェクトのリストを受け取り、"
"すべての位置アクションとオプションのアクションをそれらから集め、そのアクショ"
"ンを構築中の :class:`ArgumentParser` オブジェクトに追加します::"

#: ../../library/argparse.rst:268
msgid ""
">>> parent_parser = argparse.ArgumentParser(add_help=False)\n"
">>> parent_parser.add_argument('--parent', type=int)\n"
"\n"
">>> foo_parser = argparse.ArgumentParser(parents=[parent_parser])\n"
">>> foo_parser.add_argument('foo')\n"
">>> foo_parser.parse_args(['--parent', '2', 'XXX'])\n"
"Namespace(foo='XXX', parent=2)\n"
"\n"
">>> bar_parser = argparse.ArgumentParser(parents=[parent_parser])\n"
">>> bar_parser.add_argument('--bar')\n"
">>> bar_parser.parse_args(['--bar', 'YYY'])\n"
"Namespace(bar='YYY', parent=None)"
msgstr ""

#: ../../library/argparse.rst:281
msgid ""
"Note that most parent parsers will specify ``add_help=False``.  Otherwise, "
"the :class:`ArgumentParser` will see two ``-h/--help`` options (one in the "
"parent and one in the child) and raise an error."
msgstr ""
"一番親になるパーサーに ``add_help=False`` を指定していることに注目してくださ"
"い。こうしないと、:class:`ArgumentParser` は2つの ``-h/--help`` オプションを"
"与えられる (1つは親から、もうひとつは子から) ことになり、エラーを発生します。"

#: ../../library/argparse.rst:286
msgid ""
"You must fully initialize the parsers before passing them via ``parents=``. "
"If you change the parent parsers after the child parser, those changes will "
"not be reflected in the child."
msgstr ""
"``parents=`` に渡す前にパーサーを完全に初期化する必要があります。子パーサーを"
"作成してから親パーサーを変更した場合、その変更は子パーサーに反映されません。"

#: ../../library/argparse.rst:294
msgid "formatter_class"
msgstr "formatter_class"

#: ../../library/argparse.rst:296
msgid ""
":class:`ArgumentParser` objects allow the help formatting to be customized "
"by specifying an alternate formatting class.  Currently, there are four such "
"classes:"
msgstr ""
":class:`ArgumentParser` オブジェクトは代わりのフォーマットクラスを指定するこ"
"とでヘルプのフォーマットをカスタマイズできます。現在、4つのフォーマットクラス"
"があります:"

#: ../../library/argparse.rst:305
msgid ""
":class:`RawDescriptionHelpFormatter` and :class:`RawTextHelpFormatter` give "
"more control over how textual descriptions are displayed. By default, :class:"
"`ArgumentParser` objects line-wrap the description_ and epilog_ texts in "
"command-line help messages::"
msgstr ""
":class:`RawDescriptionHelpFormatter` と :class:`RawTextHelpFormatter` はどの"
"ようにテキストの説明を表示するかを指定できます。デフォルトでは :class:"
"`ArgumentParser` オブジェクトはコマンドラインヘルプの中の description_ と "
"epilog_ を折り返して表示します::"

#: ../../library/argparse.rst:310
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     prog='PROG',\n"
"...     description='''this description\n"
"...         was indented weird\n"
"...             but that is okay''',\n"
"...     epilog='''\n"
"...             likewise for this epilog whose whitespace will\n"
"...         be cleaned up and whose words will be wrapped\n"
"...         across a couple lines''')\n"
">>> parser.print_help()\n"
"usage: PROG [-h]\n"
"\n"
"this description was indented weird but that is okay\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
"\n"
"likewise for this epilog whose whitespace will be cleaned up and whose "
"words\n"
"will be wrapped across a couple lines"
msgstr ""

#: ../../library/argparse.rst:330
msgid ""
"Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=`` "
"indicates that description_ and epilog_ are already correctly formatted and "
"should not be line-wrapped::"
msgstr ""
"``formatter_class=`` に :class:`RawDescriptionHelpFormatter` を渡した場合、 "
"description_ と epilog_ は整形済みとされ改行されません::"

#: ../../library/argparse.rst:334
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     prog='PROG',\n"
"...     formatter_class=argparse.RawDescriptionHelpFormatter,\n"
"...     description=textwrap.dedent('''\\\n"
"...         Please do not mess up this text!\n"
"...         --------------------------------\n"
"...             I have indented it\n"
"...             exactly the way\n"
"...             I want it\n"
"...         '''))\n"
">>> parser.print_help()\n"
"usage: PROG [-h]\n"
"\n"
"Please do not mess up this text!\n"
"--------------------------------\n"
"   I have indented it\n"
"   exactly the way\n"
"   I want it\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit"
msgstr ""

#: ../../library/argparse.rst:356
msgid ""
":class:`RawTextHelpFormatter` maintains whitespace for all sorts of help "
"text, including argument descriptions. However, multiple newlines are "
"replaced with one. If you wish to preserve multiple blank lines, add spaces "
"between the newlines."
msgstr ""

#: ../../library/argparse.rst:361
msgid ""
":class:`ArgumentDefaultsHelpFormatter` automatically adds information about "
"default values to each of the argument help messages::"
msgstr ""
":class:`ArgumentDefaultsHelpFormatter` は各引数のデフォルト値を自動的にヘルプ"
"に追加します::"

#: ../../library/argparse.rst:364
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     prog='PROG',\n"
"...     formatter_class=argparse.ArgumentDefaultsHelpFormatter)\n"
">>> parser.add_argument('--foo', type=int, default=42, help='FOO!')\n"
">>> parser.add_argument('bar', nargs='*', default=[1, 2, 3], help='BAR!')\n"
">>> parser.print_help()\n"
"usage: PROG [-h] [--foo FOO] [bar ...]\n"
"\n"
"positional arguments:\n"
" bar         BAR! (default: [1, 2, 3])\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
" --foo FOO   FOO! (default: 42)"
msgstr ""

#: ../../library/argparse.rst:379
msgid ""
":class:`MetavarTypeHelpFormatter` uses the name of the type_ argument for "
"each argument as the display name for its values (rather than using the "
"dest_ as the regular formatter does)::"
msgstr ""
":class:`MetavarTypeHelpFormatter` は、各引数の値の表示名に type_ 引数の値を使"
"用します (通常は dest_ の値が使用されます)::"

#: ../../library/argparse.rst:383
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     prog='PROG',\n"
"...     formatter_class=argparse.MetavarTypeHelpFormatter)\n"
">>> parser.add_argument('--foo', type=int)\n"
">>> parser.add_argument('bar', type=float)\n"
">>> parser.print_help()\n"
"usage: PROG [-h] [--foo int] float\n"
"\n"
"positional arguments:\n"
"  float\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit\n"
"  --foo int"
msgstr ""

#: ../../library/argparse.rst:400
msgid "prefix_chars"
msgstr "prefix_chars"

#: ../../library/argparse.rst:402
msgid ""
"Most command-line options will use ``-`` as the prefix, e.g. ``-f/--foo``. "
"Parsers that need to support different or additional prefix characters, e.g. "
"for options like ``+f`` or ``/foo``, may specify them using the "
"``prefix_chars=`` argument to the :class:`ArgumentParser` constructor::"
msgstr ""

#: ../../library/argparse.rst:408
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', prefix_chars='-+')\n"
">>> parser.add_argument('+f')\n"
">>> parser.add_argument('++bar')\n"
">>> parser.parse_args('+f X ++bar Y'.split())\n"
"Namespace(bar='Y', f='X')"
msgstr ""

#: ../../library/argparse.rst:414
msgid ""
"The ``prefix_chars=`` argument defaults to ``'-'``. Supplying a set of "
"characters that does not include ``-`` will cause ``-f/--foo`` options to be "
"disallowed."
msgstr ""
"``prefix_chars=`` 引数のデフォルトは ``'-'`` です。``-`` を含まない文字セット"
"を指定すると、``-f/--foo`` オプションが使用できなくなります。"

#: ../../library/argparse.rst:420
msgid "fromfile_prefix_chars"
msgstr "fromfile_prefix_chars"

#: ../../library/argparse.rst:422
msgid ""
"Sometimes, when dealing with a particularly long argument list, it may make "
"sense to keep the list of arguments in a file rather than typing it out at "
"the command line.  If the ``fromfile_prefix_chars=`` argument is given to "
"the :class:`ArgumentParser` constructor, then arguments that start with any "
"of the specified characters will be treated as files, and will be replaced "
"by the arguments they contain.  For example::"
msgstr ""
"ときどき、非常に長い引数リストを扱う場合に、その引数リストを毎回コマンドライ"
"ンにタイプする代わりにファイルに置いておきたい場合があります。:class:"
"`ArgumentParser` のコンストラクターに ``fromfile_prefix_chars=`` 引数が渡され"
"た場合、指定された文字のいずれかで始まる引数はファイルとして扱われ、そのファ"
"イルに含まれる引数リストに置換されます。例えば::"

#: ../../library/argparse.rst:429
msgid ""
">>> with open('args.txt', 'w', encoding=sys.getfilesystemencoding()) as fp:\n"
"...     fp.write('-f\\nbar')\n"
"...\n"
">>> parser = argparse.ArgumentParser(fromfile_prefix_chars='@')\n"
">>> parser.add_argument('-f')\n"
">>> parser.parse_args(['-f', 'foo', '@args.txt'])\n"
"Namespace(f='bar')"
msgstr ""

#: ../../library/argparse.rst:437
msgid ""
"Arguments read from a file must be one per line by default (but see also :"
"meth:`~ArgumentParser.convert_arg_line_to_args`) and are treated as if they "
"were in the same place as the original file referencing argument on the "
"command line.  So in the example above, the expression ``['-f', 'foo', "
"'@args.txt']`` is considered equivalent to the expression ``['-f', 'foo', '-"
"f', 'bar']``."
msgstr ""

#: ../../library/argparse.rst:445
msgid ""
"Each line is treated as a single argument, so an empty line is read as an "
"empty string (``''``)."
msgstr ""

#: ../../library/argparse.rst:448
msgid ""
":class:`ArgumentParser` uses :term:`filesystem encoding and error handler` "
"to read the file containing arguments."
msgstr ""

#: ../../library/argparse.rst:451
msgid ""
"The ``fromfile_prefix_chars=`` argument defaults to ``None``, meaning that "
"arguments will never be treated as file references."
msgstr ""
"``fromfile_prefix_chars=`` 引数のデフォルト値は ``None`` で、引数がファイル参"
"照として扱われることがないことを意味しています。"

#: ../../library/argparse.rst:454
msgid ""
":class:`ArgumentParser` changed encoding and errors to read arguments files "
"from default (e.g. :func:`locale.getpreferredencoding(False) <locale."
"getpreferredencoding>` and ``\"strict\"``) to the :term:`filesystem encoding "
"and error handler`. Arguments file should be encoded in UTF-8 instead of "
"ANSI Codepage on Windows."
msgstr ""

#: ../../library/argparse.rst:462
msgid "argument_default"
msgstr "argument_default"

#: ../../library/argparse.rst:464
msgid ""
"Generally, argument defaults are specified either by passing a default to :"
"meth:`~ArgumentParser.add_argument` or by calling the :meth:`~ArgumentParser."
"set_defaults` methods with a specific set of name-value pairs.  Sometimes "
"however, it may be useful to specify a single parser-wide default for "
"arguments.  This can be accomplished by passing the ``argument_default=`` "
"keyword argument to :class:`ArgumentParser`.  For example, to globally "
"suppress attribute creation on :meth:`~ArgumentParser.parse_args` calls, we "
"supply ``argument_default=SUPPRESS``::"
msgstr ""
"一般的には、引数のデフォルト値は :meth:`~ArgumentParser.add_argument` メソッ"
"ドにデフォルト値を渡すか、:meth:`~ArgumentParser.set_defaults` メソッドに名前"
"と値のペアを渡すことで指定します。しかしまれに、1つのパーサー全体に適用される"
"デフォルト引数が便利なことがあります。これを行うには、 :class:"
"`ArgumentParser` に ``argument_default=`` キーワード引数を渡します。例えば、"
"全体で :meth:`~ArgumentParser.parse_args` メソッド呼び出しの属性の生成を抑制"
"するには、``argument_default=SUPPRESS`` を指定します::"

#: ../../library/argparse.rst:473
msgid ""
">>> parser = argparse.ArgumentParser(argument_default=argparse.SUPPRESS)\n"
">>> parser.add_argument('--foo')\n"
">>> parser.add_argument('bar', nargs='?')\n"
">>> parser.parse_args(['--foo', '1', 'BAR'])\n"
"Namespace(bar='BAR', foo='1')\n"
">>> parser.parse_args([])\n"
"Namespace()"
msgstr ""

#: ../../library/argparse.rst:484
msgid "allow_abbrev"
msgstr "allow_abbrev"

#: ../../library/argparse.rst:486
msgid ""
"Normally, when you pass an argument list to the :meth:`~ArgumentParser."
"parse_args` method of an :class:`ArgumentParser`, it :ref:`recognizes "
"abbreviations <prefix-matching>` of long options."
msgstr ""
"通常、:class:`ArgumentParser` の :meth:`~ArgumentParser.parse_args` に引数の"
"リストを渡すとき、長いオプションは :ref:`短縮しても認識されます <prefix-"
"matching>`。"

#: ../../library/argparse.rst:490
msgid "This feature can be disabled by setting ``allow_abbrev`` to ``False``::"
msgstr ""
"この機能は、``allow_abbrev`` に ``False`` を指定することで無効にできます::"

#: ../../library/argparse.rst:492
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', allow_abbrev=False)\n"
">>> parser.add_argument('--foobar', action='store_true')\n"
">>> parser.add_argument('--foonley', action='store_false')\n"
">>> parser.parse_args(['--foon'])\n"
"usage: PROG [-h] [--foobar] [--foonley]\n"
"PROG: error: unrecognized arguments: --foon"
msgstr ""

#: ../../library/argparse.rst:503
msgid "conflict_handler"
msgstr "conflict_handler"

#: ../../library/argparse.rst:505
msgid ""
":class:`ArgumentParser` objects do not allow two actions with the same "
"option string.  By default, :class:`ArgumentParser` objects raise an "
"exception if an attempt is made to create an argument with an option string "
"that is already in use::"
msgstr ""
":class:`ArgumentParser` オブジェクトは同じオプション文字列に対して複数のアク"
"ションを許可していません。\n"
"デフォルトでは、:class:`ArgumentParser` オブジェクトは、すでに利用されている"
"オプション文字列を使って新しい引数をつくろうとしたときに例外を送出します::"

#: ../../library/argparse.rst:510
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-f', '--foo', help='old foo help')\n"
">>> parser.add_argument('--foo', help='new foo help')\n"
"Traceback (most recent call last):\n"
" ..\n"
"ArgumentError: argument --foo: conflicting option string(s): --foo"
msgstr ""

#: ../../library/argparse.rst:517
msgid ""
"Sometimes (e.g. when using parents_) it may be useful to simply override any "
"older arguments with the same option string.  To get this behavior, the "
"value ``'resolve'`` can be supplied to the ``conflict_handler=`` argument "
"of :class:`ArgumentParser`::"
msgstr ""
"ときどき (例えば parents_ を利用する場合など)、古い引数を同じオプション文字列"
"で上書きするほうが便利な場合があります。この動作をするには、:class:"
"`ArgumentParser` の ``conflict_handler=`` 引数に ``'resolve'`` を渡します::"

#: ../../library/argparse.rst:522
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', "
"conflict_handler='resolve')\n"
">>> parser.add_argument('-f', '--foo', help='old foo help')\n"
">>> parser.add_argument('--foo', help='new foo help')\n"
">>> parser.print_help()\n"
"usage: PROG [-h] [-f FOO] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
" -f FOO      old foo help\n"
" --foo FOO   new foo help"
msgstr ""

#: ../../library/argparse.rst:533
msgid ""
"Note that :class:`ArgumentParser` objects only remove an action if all of "
"its option strings are overridden.  So, in the example above, the old ``-f/--"
"foo`` action is retained as the ``-f`` action, because only the ``--foo`` "
"option string was overridden."
msgstr ""
":class:`ArgumentParser` オブジェクトは、すべてのオプション文字列が上書きされ"
"た場合にだけアクションを削除することに注目してください。上の例では、 ``--"
"foo`` オプション文字列だけが上書きされているので、古い ``-f/--foo`` アクショ"
"ンは ``-f`` アクションとして残っています。"

#: ../../library/argparse.rst:540
msgid "add_help"
msgstr "add_help"

#: ../../library/argparse.rst:542
msgid ""
"By default, :class:`ArgumentParser` objects add an option which simply "
"displays the parser's help message. If ``-h`` or ``--help`` is supplied at "
"the command line, the :class:`!ArgumentParser` help will be printed."
msgstr ""

#: ../../library/argparse.rst:546
msgid ""
"Occasionally, it may be useful to disable the addition of this help option. "
"This can be achieved by passing ``False`` as the ``add_help=`` argument to :"
"class:`ArgumentParser`::"
msgstr ""
"必要に応じて、この help オプションを無効にする場合があります。これは :class:"
"`ArgumentParser` の ``add_help=`` 引数に ``False`` を渡すことで可能です::"

#: ../../library/argparse.rst:550
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)\n"
">>> parser.add_argument('--foo', help='foo help')\n"
">>> parser.print_help()\n"
"usage: PROG [--foo FOO]\n"
"\n"
"options:\n"
" --foo FOO  foo help"
msgstr ""

#: ../../library/argparse.rst:558
msgid ""
"The help option is typically ``-h/--help``. The exception to this is if the "
"``prefix_chars=`` is specified and does not include ``-``, in which case ``-"
"h`` and ``--help`` are not valid options.  In this case, the first character "
"in ``prefix_chars`` is used to prefix the help options::"
msgstr ""
"ヘルプオプションは通常 ``-h/--help`` です。例外は ``prefix_chars=`` が指定さ"
"れてその中に ``-`` が無かった場合で、その場合は ``-h`` と ``--help`` は有効な"
"オプションではありません。この場合、``prefix_chars`` の最初の文字がヘルプオプ"
"ションの接頭辞として利用されます::"

#: ../../library/argparse.rst:564
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', prefix_chars='+/')\n"
">>> parser.print_help()\n"
"usage: PROG [+h]\n"
"\n"
"options:\n"
"  +h, ++help  show this help message and exit"
msgstr ""

#: ../../library/argparse.rst:573
msgid "exit_on_error"
msgstr "exit_on_error"

#: ../../library/argparse.rst:575
msgid ""
"Normally, when you pass an invalid argument list to the :meth:"
"`~ArgumentParser.parse_args` method of an :class:`ArgumentParser`, it will "
"print a *message* to :data:`sys.stderr` and exit with a status code of 2."
msgstr ""

#: ../../library/argparse.rst:579
msgid ""
"If the user would like to catch errors manually, the feature can be enabled "
"by setting ``exit_on_error`` to ``False``::"
msgstr ""
"もしエラーを例外としてプログラム内でキャッチしたい場合は、``exit_on_error`` "
"を ``False`` に設定してください::"

#: ../../library/argparse.rst:582
msgid ""
">>> parser = argparse.ArgumentParser(exit_on_error=False)\n"
">>> parser.add_argument('--integers', type=int)\n"
"_StoreAction(option_strings=['--integers'], dest='integers', nargs=None, "
"const=None, default=None, type=<class 'int'>, choices=None, help=None, "
"metavar=None)\n"
">>> try:\n"
"...     parser.parse_args('--integers a'.split())\n"
"... except argparse.ArgumentError:\n"
"...     print('Catching an argumentError')\n"
"...\n"
"Catching an argumentError"
msgstr ""

#: ../../library/argparse.rst:595
msgid "suggest_on_error"
msgstr ""

#: ../../library/argparse.rst:597
msgid ""
"By default, when a user passes an invalid argument choice or subparser "
"name, :class:`ArgumentParser` will exit with error info and provide "
"suggestions for mistyped arguments. The error message will list the "
"permissible argument choices (if specified) or subparser names, along with a "
"\"maybe you meant\" suggestion if a close match is found. Note that this "
"only applies for arguments when the choices specified are strings::"
msgstr ""

#: ../../library/argparse.rst:604
msgid ""
">>> parser = argparse.ArgumentParser(suggest_on_error=True)\n"
">>> parser.add_argument('--action', choices=['debug', 'dryrun'])\n"
">>> parser.parse_args(['--action', 'debugg'])\n"
"usage: tester.py [-h] [--action {debug,dryrun}]\n"
"tester.py: error: argument --action: invalid choice: 'debugg', maybe you "
"meant 'debug'? (choose from debug, dryrun)"
msgstr ""

#: ../../library/argparse.rst:610
msgid ""
"You can disable suggestions by setting ``suggest_on_error`` to ``False``."
msgstr ""

#: ../../library/argparse.rst:613
msgid ""
"Changed default value of ``suggest_on_error`` from ``False`` to ``True``."
msgstr ""

#: ../../library/argparse.rst:617
msgid "color"
msgstr "color"

#: ../../library/argparse.rst:619
msgid ""
"By default, the help message is printed in color using `ANSI escape "
"sequences <https://en.wikipedia.org/wiki/ANSI_escape_code>`__. If you want "
"plain text help messages, you can disable this :ref:`in your local "
"environment <using-on-controlling-color>`, or in the argument parser itself "
"by setting ``color`` to ``False``::"
msgstr ""

#: ../../library/argparse.rst:625
msgid ""
">>> parser = argparse.ArgumentParser(description='Process some integers.',\n"
"...                                  color=False)\n"
">>> parser.add_argument('--action', choices=['sum', 'max'])\n"
">>> parser.add_argument('integers', metavar='N', type=int, nargs='+',\n"
"...                     help='an integer for the accumulator')\n"
">>> parser.parse_args(['--help'])"
msgstr ""

#: ../../library/argparse.rst:632
msgid ""
"Note that when ``color=True``, colored output depends on both environment "
"variables and terminal capabilities.  However, if ``color=False``, colored "
"output is always disabled, even if environment variables like "
"``FORCE_COLOR`` are set."
msgstr ""

#: ../../library/argparse.rst:639
msgid ""
"To highlight inline code in your description, epilog, or argument ``help`` "
"text, you can use single or double backticks::"
msgstr ""

#: ../../library/argparse.rst:642
msgid ""
">>> parser = argparse.ArgumentParser(\n"
"...     formatter_class=argparse.RawDescriptionHelpFormatter,\n"
"...     description='Run ``python -m myapp`` to start.',\n"
"...     epilog='''Examples:\n"
"...   `python -m myapp --verbose`\n"
"...   ``python -m myapp --config settings.json``\n"
"... ''')\n"
">>> parser.add_argument('--foo', help='set the `foo` value')"
msgstr ""

#: ../../library/argparse.rst:651
msgid ""
"When colors are enabled, the text inside backticks will be displayed in a "
"distinct color to help examples stand out. When colors are disabled, "
"backticks are preserved as-is, which is readable in plain text."
msgstr ""

#: ../../library/argparse.rst:659
msgid "The add_argument() method"
msgstr "add_argument() メソッド"

#: ../../library/argparse.rst:665
msgid ""
"Define how a single command-line argument should be parsed.  Each parameter "
"has its own more detailed description below, but in short they are:"
msgstr ""
"1つのコマンドライン引数がどう解析されるかを定義します。各引数についての詳細は"
"後述しますが、簡単に言うと:"

#: ../../library/argparse.rst:668
msgid ""
"`name or flags`_ - Either a name or a list of option strings, e.g. ``'foo'`` "
"or ``'-f', '--foo'``."
msgstr ""

#: ../../library/argparse.rst:671
msgid ""
"action_ - The basic type of action to be taken when this argument is "
"encountered at the command line."
msgstr "action_ - コマンドラインにこの引数があったときのアクション。"

#: ../../library/argparse.rst:674
msgid "nargs_ - The number of command-line arguments that should be consumed."
msgstr "nargs_ - 受け取るべきコマンドライン引数の数。"

#: ../../library/argparse.rst:676
msgid ""
"const_ - A constant value required by some action_ and nargs_ selections."
msgstr "const_ - 一部の action_ と nargs_ の組み合わせで利用される定数。"

#: ../../library/argparse.rst:678
msgid ""
"default_ - The value produced if the argument is absent from the command "
"line and if it is absent from the namespace object."
msgstr ""
"default_ - コマンドラインに対応する引数が存在せず、さらに namespace オブジェ"
"クトにも存在しない場合に利用される値。 "

#: ../../library/argparse.rst:681
msgid ""
"type_ - The type to which the command-line argument should be converted."
msgstr "type_ - コマンドライン引数が変換されるべき型。"

#: ../../library/argparse.rst:683
msgid "choices_ - A sequence of the allowable values for the argument."
msgstr "choices_ - 引数として許される値のシーケンス。"

#: ../../library/argparse.rst:685
msgid ""
"required_ - Whether or not the command-line option may be omitted (optionals "
"only)."
msgstr ""
"required_ - コマンドラインオプションが省略可能かどうか (オプション引数のみ)。"

#: ../../library/argparse.rst:688
msgid "help_ - A brief description of what the argument does."
msgstr "help_ - 引数が何なのかを示す簡潔な説明。"

#: ../../library/argparse.rst:690
msgid "metavar_ - A name for the argument in usage messages."
msgstr "metavar_ - 使用法メッセージの中で使われる引数の名前。"

#: ../../library/argparse.rst:692
msgid ""
"dest_ - The name of the attribute to be added to the object returned by :"
"meth:`parse_args`."
msgstr "dest_ - :meth:`parse_args` が返すオブジェクトに追加される属性名。"

#: ../../library/argparse.rst:695
msgid "deprecated_ - Whether or not use of the argument is deprecated."
msgstr ""

#: ../../library/argparse.rst:697
msgid "The method returns an :class:`Action` object representing the argument."
msgstr ""

#: ../../library/argparse.rst:705
msgid "name or flags"
msgstr "name または flags"

#: ../../library/argparse.rst:707
msgid ""
"The :meth:`~ArgumentParser.add_argument` method must know whether an "
"optional argument, like ``-f`` or ``--foo``, or a positional argument, like "
"a list of filenames, is expected.  The first arguments passed to :meth:"
"`~ArgumentParser.add_argument` must therefore be either a series of flags, "
"or a simple argument name."
msgstr ""
":meth:`~ArgumentParser.add_argument` メソッドは、指定されている引数が ``-f`` "
"や ``--foo`` のようなオプション引数なのか、ファイル名リストなどの位置引数なの"
"かを知る必要があります。\n"
"そのため、 :meth:`~ArgumentParser.add_argument` に初めに渡される引数は、一連"
"のフラグか、単一の引数名のどちらかになります。"

#: ../../library/argparse.rst:713
msgid "For example, an optional argument could be created like::"
msgstr "たとえば、オプション引数は次のように作成します::"

#: ../../library/argparse.rst:715
msgid ">>> parser.add_argument('-f', '--foo')"
msgstr ""

#: ../../library/argparse.rst:717
msgid "while a positional argument could be created like::"
msgstr "一方、位置引数は次のように作成します::"

#: ../../library/argparse.rst:719
msgid ">>> parser.add_argument('bar')"
msgstr ""

#: ../../library/argparse.rst:721
msgid ""
"When :meth:`~ArgumentParser.parse_args` is called, optional arguments will "
"be identified by the ``-`` prefix, and the remaining arguments will be "
"assumed to be positional::"
msgstr ""
":meth:`~ArgumentParser.parse_args` が呼ばれたとき、オプション引数は接頭辞 ``-"
"`` により識別され、それ以外の引数は位置引数として扱われます::"

#: ../../library/argparse.rst:725
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-f', '--foo')\n"
">>> parser.add_argument('bar')\n"
">>> parser.parse_args(['BAR'])\n"
"Namespace(bar='BAR', foo=None)\n"
">>> parser.parse_args(['BAR', '--foo', 'FOO'])\n"
"Namespace(bar='BAR', foo='FOO')\n"
">>> parser.parse_args(['--foo', 'FOO'])\n"
"usage: PROG [-h] [-f FOO] bar\n"
"PROG: error: the following arguments are required: bar"
msgstr ""

#: ../../library/argparse.rst:736
msgid ""
"By default, :mod:`!argparse` automatically handles the internal naming and "
"display names of arguments, simplifying the process without requiring "
"additional configuration. As such, you do not need to specify the dest_ and "
"metavar_ parameters. For optional arguments, the dest_ parameter defaults to "
"the argument name, with underscores ``_`` replacing hyphens ``-``. The "
"metavar_ parameter defaults to the upper-cased name. For example::"
msgstr ""

#: ../../library/argparse.rst:744
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('--foo-bar')\n"
">>> parser.parse_args(['--foo-bar', 'FOO-BAR'])\n"
"Namespace(foo_bar='FOO-BAR')\n"
">>> parser.print_help()\n"
"usage:  [-h] [--foo-bar FOO-BAR]\n"
"\n"
"optional arguments:\n"
" -h, --help  show this help message and exit\n"
" --foo-bar FOO-BAR"
msgstr ""

#: ../../library/argparse.rst:759
msgid "action"
msgstr "action"

#: ../../library/argparse.rst:761
msgid ""
":class:`ArgumentParser` objects associate command-line arguments with "
"actions.  These actions can do just about anything with the command-line "
"arguments associated with them, though most actions simply add an attribute "
"to the object returned by :meth:`~ArgumentParser.parse_args`.  The "
"``action`` keyword argument specifies how the command-line arguments should "
"be handled. The supplied actions are:"
msgstr ""
":class:`ArgumentParser` オブジェクトはコマンドライン引数にアクションを割り当"
"てます。このアクションは、割り当てられたコマンドライン引数に関してどんな処理"
"でもできますが、ほとんどのアクションは単に :meth:`~ArgumentParser."
"parse_args` が返すオブジェクトに属性を追加するだけです。``action`` キーワード"
"引数は、コマンドライン引数がどう処理されるかを指定します。提供されているアク"
"ションは:"

#: ../../library/argparse.rst:767
msgid ""
"``'store'`` - This just stores the argument's value.  This is the default "
"action."
msgstr ""

#: ../../library/argparse.rst:770
msgid ""
"``'store_const'`` - This stores the value specified by the const_ keyword "
"argument; note that the const_ keyword argument defaults to ``None``.  The "
"``'store_const'`` action is most commonly used with optional arguments that "
"specify some sort of flag.  For example::"
msgstr ""
"``'store_const'`` - このアクションは const_ キーワード引数で指定された値を格"
"納します。const_ キーワード引数のデフォルト値は ``None`` であることに注意して"
"ください。``'store_const'`` アクションは、何かの種類のフラグを指定するオプ"
"ション引数によく使われます。例えば::"

#: ../../library/argparse.rst:775
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action='store_const', const=42)\n"
">>> parser.parse_args(['--foo'])\n"
"Namespace(foo=42)"
msgstr ""

#: ../../library/argparse.rst:780
msgid ""
"``'store_true'`` and ``'store_false'`` - These are special cases of "
"``'store_const'`` that respectively store the values ``True`` and ``False`` "
"with default values of ``False`` and ``True``::"
msgstr ""

#: ../../library/argparse.rst:785
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action='store_true')\n"
">>> parser.add_argument('--bar', action='store_false')\n"
">>> parser.add_argument('--baz', action='store_false')\n"
">>> parser.parse_args('--foo --bar'.split())\n"
"Namespace(foo=True, bar=False, baz=True)"
msgstr ""

#: ../../library/argparse.rst:792
msgid ""
"``'append'`` - This appends each argument value to a list. It is useful for "
"allowing an option to be specified multiple times. If the default value is a "
"non-empty list, the parsed value will start with the default list's elements "
"and any values from the command line will be appended after those default "
"values. Example usage::"
msgstr ""

#: ../../library/argparse.rst:798
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action='append', default=['0'])\n"
">>> parser.parse_args('--foo 1 --foo 2'.split())\n"
"Namespace(foo=['0', '1', '2'])"
msgstr ""

#: ../../library/argparse.rst:803
msgid ""
"``'append_const'`` - This appends the value specified by the const_ keyword "
"argument to a list; note that the const_ keyword argument defaults to "
"``None``. The ``'append_const'`` action is typically useful when multiple "
"arguments need to store constants to the same list. For example::"
msgstr ""

#: ../../library/argparse.rst:809
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--str', dest='types', action='append_const', "
"const=str)\n"
">>> parser.add_argument('--int', dest='types', action='append_const', "
"const=int)\n"
">>> parser.parse_args('--str --int'.split())\n"
"Namespace(types=[<class 'str'>, <class 'int'>])"
msgstr ""

#: ../../library/argparse.rst:815
msgid ""
"``'extend'`` - This appends each item from a multi-value argument to a list. "
"The ``'extend'`` action is typically used with the nargs_ keyword argument "
"value ``'+'`` or ``'*'``. Note that when nargs_ is ``None`` (the default) or "
"``'?'``, each character of the argument string will be appended to the list. "
"Example usage::"
msgstr ""

#: ../../library/argparse.rst:823
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument(\"--foo\", action=\"extend\", nargs=\"+\", "
"type=str)\n"
">>> parser.parse_args([\"--foo\", \"f1\", \"--foo\", \"f2\", \"f3\", "
"\"f4\"])\n"
"Namespace(foo=['f1', 'f2', 'f3', 'f4'])"
msgstr ""

#: ../../library/argparse.rst:830
msgid ""
"``'count'`` - This counts the number of times an argument occurs. For "
"example, this is useful for increasing verbosity levels::"
msgstr ""

#: ../../library/argparse.rst:833
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--verbose', '-v', action='count', default=0)\n"
">>> parser.parse_args(['-vvv'])\n"
"Namespace(verbose=3)"
msgstr ""

#: ../../library/argparse.rst:838
msgid ""
"Unless explicitly set, the *default* will be ``None``. If the default value "
"is a non-zero number, the count starts from that number rather than from "
"zero."
msgstr ""

#: ../../library/argparse.rst:842
msgid ""
"``'help'`` - This prints a complete help message for all the options in the "
"current parser and then exits. By default a help action is automatically "
"added to the parser. See :class:`ArgumentParser` for details of how the "
"output is created."
msgstr ""
"``'help'`` - このアクションは現在のパーサー中のすべてのオプションのヘルプメッ"
"セージを表示し、終了します。出力の生成方法の詳細については :class:"
"`ArgumentParser` を参照してください。"

#: ../../library/argparse.rst:847
msgid ""
"``'version'`` - This expects a ``version=`` keyword argument in the :meth:"
"`~ArgumentParser.add_argument` call, and prints version information and "
"exits when invoked::"
msgstr ""
"``'version'`` - このアクションは :meth:`~ArgumentParser.add_argument` の呼び"
"出しに ``version=`` キーワード引数を期待します。指定されたときはバージョン情"
"報を表示して終了します::"

#: ../../library/argparse.rst:851
msgid ""
">>> import argparse\n"
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('--version', action='version', version='%(prog)s "
"2.0')\n"
">>> parser.parse_args(['--version'])\n"
"PROG 2.0"
msgstr ""

#: ../../library/argparse.rst:857
msgid ""
"You may also specify an arbitrary action by passing an :class:`Action` "
"subclass (e.g. :class:`BooleanOptionalAction`) or other object that "
"implements the same interface. Only actions that consume command-line "
"arguments (e.g. ``'store'``, ``'append'``, ``'extend'``, or custom actions "
"with non-zero ``nargs``) can be used with positional arguments."
msgstr ""

#: ../../library/argparse.rst:863
msgid ""
"The recommended way to create a custom action is to extend :class:`Action`, "
"overriding the :meth:`!__call__` method and optionally the :meth:`!__init__` "
"and :meth:`!format_usage` methods. You can also register custom actions "
"using the :meth:`~ArgumentParser.register` method and reference them by "
"their registered name."
msgstr ""

#: ../../library/argparse.rst:868
msgid "An example of a custom action::"
msgstr "カスタムアクションの例です::"

#: ../../library/argparse.rst:870
msgid ""
">>> class FooAction(argparse.Action):\n"
"...     def __init__(self, option_strings, dest, nargs=None, **kwargs):\n"
"...         if nargs is not None:\n"
"...             raise ValueError(\"nargs not allowed\")\n"
"...         super().__init__(option_strings, dest, **kwargs)\n"
"...     def __call__(self, parser, namespace, values, option_string=None):\n"
"...         print('%r %r %r' % (namespace, values, option_string))\n"
"...         setattr(namespace, self.dest, values)\n"
"...\n"
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action=FooAction)\n"
">>> parser.add_argument('bar', action=FooAction)\n"
">>> args = parser.parse_args('1 --foo 2'.split())\n"
"Namespace(bar=None, foo=None) '1' None\n"
"Namespace(bar='1', foo=None) '2' '--foo'\n"
">>> args\n"
"Namespace(bar='1', foo='2')"
msgstr ""

#: ../../library/argparse.rst:888
msgid "For more details, see :class:`Action`."
msgstr "詳細は :class:`Action` を参照してください。"

#: ../../library/argparse.rst:894
msgid "nargs"
msgstr "nargs"

#: ../../library/argparse.rst:896
msgid ""
":class:`ArgumentParser` objects usually associate a single command-line "
"argument with a single action to be taken.  The ``nargs`` keyword argument "
"associates a different number of command-line arguments with a single "
"action. See also :ref:`specifying-ambiguous-arguments`. The supported values "
"are:"
msgstr ""

#: ../../library/argparse.rst:901
msgid ""
"``N`` (an integer).  ``N`` arguments from the command line will be gathered "
"together into a list.  For example::"
msgstr ""
"``N`` (整数) -- ``N`` 個の引数がコマンドラインから集められ、リストに格納され"
"ます。例えば::"

#: ../../library/argparse.rst:904
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', nargs=2)\n"
">>> parser.add_argument('bar', nargs=1)\n"
">>> parser.parse_args('c --foo a b'.split())\n"
"Namespace(bar=['c'], foo=['a', 'b'])"
msgstr ""

#: ../../library/argparse.rst:910
msgid ""
"Note that ``nargs=1`` produces a list of one item.  This is different from "
"the default, in which the item is produced by itself."
msgstr ""
"``nargs=1`` は1要素のリストを作ることに注意してください。これはデフォルトの、"
"要素がそのまま属性になる動作とは異なります。"

#: ../../library/argparse.rst:915
msgid ""
"``'?'``. One argument will be consumed from the command line if possible, "
"and produced as a single item.  If no command-line argument is present, the "
"value from default_ will be produced.  Note that for optional arguments, "
"there is an additional case - the option string is present but not followed "
"by a command-line argument.  In this case the value from const_ will be "
"produced.  Some examples to illustrate this::"
msgstr ""
"``'?'`` -- 可能なら1つの引数がコマンドラインから取られ、1つのアイテムを作りま"
"す。コマンドライン引数が存在しない場合、default_ の値が生成されます。オプショ"
"ン引数の場合、さらにオプション引数が指定され、その後にコマンドライン引数がな"
"いというケースもありえます。この場合は const_ の値が生成されます。この動作の"
"例です::"

#: ../../library/argparse.rst:922
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', nargs='?', const='c', default='d')\n"
">>> parser.add_argument('bar', nargs='?', default='d')\n"
">>> parser.parse_args(['XX', '--foo', 'YY'])\n"
"Namespace(bar='XX', foo='YY')\n"
">>> parser.parse_args(['XX', '--foo'])\n"
"Namespace(bar='XX', foo='c')\n"
">>> parser.parse_args([])\n"
"Namespace(bar='d', foo='d')"
msgstr ""

#: ../../library/argparse.rst:932
msgid ""
"One of the more common uses of ``nargs='?'`` is to allow optional input and "
"output files::"
msgstr ""
"``nargs='?'`` のよくある利用例の1つは、入出力ファイルの指定オプションです::"

#: ../../library/argparse.rst:935
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('infile', nargs='?')\n"
">>> parser.add_argument('outfile', nargs='?')\n"
">>> parser.parse_args(['input.txt', 'output.txt'])\n"
"Namespace(infile='input.txt', outfile='output.txt')\n"
">>> parser.parse_args(['input.txt'])\n"
"Namespace(infile='input.txt', outfile=None)\n"
">>> parser.parse_args([])\n"
"Namespace(infile=None, outfile=None)"
msgstr ""

#: ../../library/argparse.rst:947
msgid ""
"``'*'``.  All command-line arguments present are gathered into a list.  Note "
"that it generally doesn't make much sense to have more than one positional "
"argument with ``nargs='*'``, but multiple optional arguments with "
"``nargs='*'`` is possible.  For example::"
msgstr ""
"``'*'`` -- すべてのコマンドライン引数がリストに集められます。複数の位置引数"
"が ``nargs='*'`` を持つことにあまり意味はありませんが、複数のオプション引数"
"が ``nargs='*'`` を持つことはありえます。例えば::"

#: ../../library/argparse.rst:952
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', nargs='*')\n"
">>> parser.add_argument('--bar', nargs='*')\n"
">>> parser.add_argument('baz', nargs='*')\n"
">>> parser.parse_args('a b --foo x y --bar 1 2'.split())\n"
"Namespace(bar=['1', '2'], baz=['a', 'b'], foo=['x', 'y'])"
msgstr ""

#: ../../library/argparse.rst:961
msgid ""
"``'+'``. Just like ``'*'``, all command-line arguments present are gathered "
"into a list.  Additionally, an error message will be generated if there "
"wasn't at least one command-line argument present.  For example::"
msgstr ""

#: ../../library/argparse.rst:965
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('foo', nargs='+')\n"
">>> parser.parse_args(['a', 'b'])\n"
"Namespace(foo=['a', 'b'])\n"
">>> parser.parse_args([])\n"
"usage: PROG [-h] foo [foo ...]\n"
"PROG: error: the following arguments are required: foo"
msgstr ""

#: ../../library/argparse.rst:973
msgid ""
"If the ``nargs`` keyword argument is not provided, the number of arguments "
"consumed is determined by the action_.  Generally this means a single "
"command-line argument will be consumed and a single item (not a list) will "
"be produced. Actions that do not consume command-line arguments (e.g. "
"``'store_const'``) set ``nargs=0``."
msgstr ""

#: ../../library/argparse.rst:983
msgid "const"
msgstr "const"

#: ../../library/argparse.rst:985
msgid ""
"The ``const`` argument of :meth:`~ArgumentParser.add_argument` is used to "
"hold constant values that are not read from the command line but are "
"required for the various :class:`ArgumentParser` actions.  The two most "
"common uses of it are:"
msgstr ""
":meth:`~ArgumentParser.add_argument` の ``const`` 引数は、コマンドライン引数"
"から読み込まれないけれども :class:`ArgumentParser` のいくつかのアクションで必"
"要とされる値のために使われます。この引数のよくある2つの使用法は:"

#: ../../library/argparse.rst:989
msgid ""
"When :meth:`~ArgumentParser.add_argument` is called with "
"``action='store_const'`` or ``action='append_const'``.  These actions add "
"the ``const`` value to one of the attributes of the object returned by :meth:"
"`~ArgumentParser.parse_args`. See the action_ description for examples. If "
"``const`` is not provided to :meth:`~ArgumentParser.add_argument`, it will "
"receive a default value of ``None``."
msgstr ""
":meth:`~ArgumentParser.add_argument` が ``action='store_const'`` か "
"``action='append_const'`` で呼び出されたとき、これらのアクションは ``const`` "
"の値を :meth:`~ArgumentParser.parse_args` が返すオブジェクトの属性に追加しま"
"す。サンプルは action_ の説明を参照してください。``const`` が :meth:"
"`~ArgumentParser.add_argument` に与えられなければ、``None`` のデフォルト値を"
"受け取ります。"

#: ../../library/argparse.rst:997
msgid ""
"When :meth:`~ArgumentParser.add_argument` is called with option strings "
"(like ``-f`` or ``--foo``) and ``nargs='?'``.  This creates an optional "
"argument that can be followed by zero or one command-line arguments. When "
"parsing the command line, if the option string is encountered with no "
"command-line argument following it, the value from ``const`` will be used. "
"See the nargs_ description for examples."
msgstr ""

#: ../../library/argparse.rst:1004
msgid ""
"``const=None`` by default, including when ``action='append_const'`` or "
"``action='store_const'``."
msgstr ""
"``action='append_const'`` や ``action='store_const'`` の場合も含め、デフォル"
"トでは ``const=None`` です。"

#: ../../library/argparse.rst:1011
msgid "default"
msgstr "default"

#: ../../library/argparse.rst:1013
msgid ""
"All optional arguments and some positional arguments may be omitted at the "
"command line.  The ``default`` keyword argument of :meth:`~ArgumentParser."
"add_argument`, whose value defaults to ``None``, specifies what value should "
"be used if the command-line argument is not present. For optional arguments, "
"the ``default`` value is used when the option string was not present at the "
"command line::"
msgstr ""
"すべてのオプション引数といくつかの位置引数はコマンドライン上で省略されること"
"があります。 :meth:`~ArgumentParser.add_argument` の ``default`` キーワード引"
"数 (デフォルト: ``None``) は、コマンドライン引数が存在しなかった場合に利用す"
"る値を指定します。オプション引数では、オプション文字列がコマンドライン上に存"
"在しなかったときに ``default`` の値が利用されます::"

#: ../../library/argparse.rst:1020
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', default=42)\n"
">>> parser.parse_args(['--foo', '2'])\n"
"Namespace(foo='2')\n"
">>> parser.parse_args([])\n"
"Namespace(foo=42)"
msgstr ""

#: ../../library/argparse.rst:1027
msgid ""
"If the target namespace already has an attribute set, the action *default* "
"will not overwrite it::"
msgstr ""

#: ../../library/argparse.rst:1030
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', default=42)\n"
">>> parser.parse_args([], namespace=argparse.Namespace(foo=101))\n"
"Namespace(foo=101)"
msgstr ""

#: ../../library/argparse.rst:1035
msgid ""
"If the ``default`` value is a string, the parser parses the value as if it "
"were a command-line argument.  In particular, the parser applies any type_ "
"conversion argument, if provided, before setting the attribute on the :class:"
"`Namespace` return value.  Otherwise, the parser uses the value as is::"
msgstr ""
"``default`` の値が文字列の場合、パーサーは値をコマンドライン引数のように解析"
"します。具体的には、パーサーは返り値 :class:`Namespace` の属性を設定する前"
"に、type_ 変換引数が与えられていればそれらを適用します。そうでない場合、パー"
"サーは値をそのまま使用します::"

#: ../../library/argparse.rst:1040
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--length', default='10', type=int)\n"
">>> parser.add_argument('--width', default=10.5, type=int)\n"
">>> parser.parse_args()\n"
"Namespace(length=10, width=10.5)"
msgstr ""

#: ../../library/argparse.rst:1046
msgid ""
"For positional arguments with nargs_ equal to ``?`` or ``*``, the "
"``default`` value is used when no command-line argument was present::"
msgstr ""
"nargs_ が ``?`` か ``*`` である位置引数では、コマンドライン引数が指定されな"
"かった場合 ``default`` の値が使われます。例えば::"

#: ../../library/argparse.rst:1049
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('foo', nargs='?', default=42)\n"
">>> parser.parse_args(['a'])\n"
"Namespace(foo='a')\n"
">>> parser.parse_args([])\n"
"Namespace(foo=42)"
msgstr ""

#: ../../library/argparse.rst:1056
msgid ""
"Because ``nargs='*'`` gathers any supplied values into a list, an absent "
"positional argument yields an empty list (``[]``). Only a non-``None`` "
"*default* overrides this (so ``default=None`` still gives ``[]``)."
msgstr ""

#: ../../library/argparse.rst:1060
msgid ""
"For required_ arguments, the ``default`` value is ignored. For example, this "
"applies to positional arguments with nargs_ values other than ``?`` or "
"``*``, or optional arguments marked as ``required=True``."
msgstr ""

#: ../../library/argparse.rst:1064
msgid ""
"Providing ``default=argparse.SUPPRESS`` causes no attribute to be added if "
"the command-line argument was not present::"
msgstr ""
"``default=argparse.SUPPRESS`` を渡すと、コマンドライン引数が存在しないときに"
"属性の追加をしなくなります::"

#: ../../library/argparse.rst:1067
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', default=argparse.SUPPRESS)\n"
">>> parser.parse_args([])\n"
"Namespace()\n"
">>> parser.parse_args(['--foo', '1'])\n"
"Namespace(foo='1')"
msgstr ""

#: ../../library/argparse.rst:1078
msgid "type"
msgstr "type"

#: ../../library/argparse.rst:1080
msgid ""
"By default, the parser reads command-line arguments in as simple strings. "
"However, quite often the command-line string should instead be interpreted "
"as another type, such as a :class:`float` or :class:`int`.  The ``type`` "
"keyword for :meth:`~ArgumentParser.add_argument` allows any necessary type-"
"checking and type conversions to be performed."
msgstr ""
"デフォルトでは、パーサーはコマンドライン引数を単なる文字列として読み込みま"
"す。しかし、それらの文字列を :class:`float`, :class:`int` など別の型として扱"
"うべき事がよくあります。:meth:`~ArgumentParser.add_argument` の ``type`` キー"
"ワード引数に指定する type converter により、必要な型チェックと型変換を行うこ"
"とができます。"

#: ../../library/argparse.rst:1086
msgid ""
"If the type_ keyword is used with the default_ keyword, the type converter "
"is only applied if the default is a string."
msgstr ""
"もし type_ キーワードが default_ キーワードとともに使用された場合、default_  "
"の値が文字列のときのみ、type converter による変換などが行われます。"

#: ../../library/argparse.rst:1089
msgid ""
"The argument to ``type`` can be a callable that accepts a single string or "
"the name of a registered type (see :meth:`~ArgumentParser.register`) If the "
"function raises :exc:`ArgumentTypeError`, :exc:`TypeError`, or :exc:"
"`ValueError`, the exception is caught and a nicely formatted error message "
"is displayed. Other exception types are not handled."
msgstr ""

#: ../../library/argparse.rst:1095
msgid "Common built-in types and functions can be used as type converters:"
msgstr ""
"一般的なビルトインデータ型や関数を ``type`` 引数の値として直接指定できます::"

#: ../../library/argparse.rst:1097
msgid ""
"import argparse\n"
"import pathlib\n"
"\n"
"parser = argparse.ArgumentParser()\n"
"parser.add_argument('count', type=int)\n"
"parser.add_argument('distance', type=float)\n"
"parser.add_argument('street', type=ascii)\n"
"parser.add_argument('code_point', type=ord)\n"
"parser.add_argument('datapath', type=pathlib.Path)"
msgstr ""

#: ../../library/argparse.rst:1109
msgid "User defined functions can be used as well:"
msgstr "ユーザが定義した関数も使用できます::"

#: ../../library/argparse.rst:1111
msgid ""
">>> def hyphenated(string):\n"
"...     return '-'.join([word[:4] for word in string.casefold().split()])\n"
"...\n"
">>> parser = argparse.ArgumentParser()\n"
">>> _ = parser.add_argument('short_title', type=hyphenated)\n"
">>> parser.parse_args(['\"The Tale of Two Cities\"'])\n"
"Namespace(short_title='\"the-tale-of-two-citi')"
msgstr ""

#: ../../library/argparse.rst:1121
msgid ""
"The :func:`bool` function is not recommended as a type converter.  All it "
"does is convert empty strings to ``False`` and non-empty strings to "
"``True``. This is usually not what is desired::"
msgstr ""

#: ../../library/argparse.rst:1125
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> _ = parser.add_argument('--verbose', type=bool)\n"
">>> parser.parse_args(['--verbose', 'False'])\n"
"Namespace(verbose=True)"
msgstr ""

#: ../../library/argparse.rst:1130
msgid ""
"See :class:`BooleanOptionalAction` or ``action='store_true'`` for common "
"alternatives."
msgstr ""

#: ../../library/argparse.rst:1133
msgid ""
"In general, the ``type`` keyword is a convenience that should only be used "
"for simple conversions that can only raise one of the three supported "
"exceptions. Anything with more interesting error-handling or resource "
"management should be done downstream after the arguments are parsed."
msgstr ""
"一般論として、``type`` キーワードに指定するものは、せいぜい上記の3種類の例外"
"を発生するくらいの、お手軽な変換に限るべきです。より複雑な (interesting) エ"
"ラー処理、またはリソース管理を伴うものは、引数を解析したあとに別個の処理とし"
"て行うべきです。"

#: ../../library/argparse.rst:1138
msgid ""
"For example, JSON or YAML conversions have complex error cases that require "
"better reporting than can be given by the ``type`` keyword.  A :exc:`~json."
"JSONDecodeError` would not be well formatted and a :exc:`FileNotFoundError` "
"exception would not be handled at all."
msgstr ""
"たとえば、JSON または YAML からの変換は複雑なエラーケースを持つので、"
"``type`` がサポートする以上のエラー表示を必要とするでしょう。(JSON デコーダが"
"発生しうる) :exc:`~json.JSONDecodeError` は適切に整形されて表示されません。ま"
"た、:exc:`FileNotFoundError` が発生しても parser は何も処理しません。"

#: ../../library/argparse.rst:1143
msgid ""
"Even :class:`~argparse.FileType` has its limitations for use with the "
"``type`` keyword.  If one argument uses :class:`~argparse.FileType` and then "
"a subsequent argument fails, an error is reported but the file is not "
"automatically closed.  In this case, it would be better to wait until after "
"the parser has run and then use the :keyword:`with`-statement to manage the "
"files."
msgstr ""

#: ../../library/argparse.rst:1150
msgid ""
"For type checkers that simply check against a fixed set of values, consider "
"using the choices_ keyword instead."
msgstr ""
"なお、引数が、あらかじめ決められた値の候補のいずれかに一致するかをチェックし"
"たいだけの場合には、代わりに choices_ キーワードの使用を検討してください。"

#: ../../library/argparse.rst:1157
msgid "choices"
msgstr "choices"

#: ../../library/argparse.rst:1159
msgid ""
"Some command-line arguments should be selected from a restricted set of "
"values. These can be handled by passing a sequence object as the *choices* "
"keyword argument to :meth:`~ArgumentParser.add_argument`.  When the command "
"line is parsed, argument values will be checked, and an error message will "
"be displayed if the argument was not one of the acceptable values::"
msgstr ""
"コマンドライン引数をいくつかの選択肢の中から選ばせたい場合があります。 これ"
"は :meth:`~ArgumentParser.add_argument` に シーケンスオブジェクトを "
"*choices* キーワード引数として渡すことで可能です。コマンドラインを解析すると"
"き、引数の値がチェックされ、その値が選択肢の中に含まれていない場合はエラー"
"メッセージを表示します::"

#: ../../library/argparse.rst:1165
msgid ""
">>> parser = argparse.ArgumentParser(prog='game.py')\n"
">>> parser.add_argument('move', choices=['rock', 'paper', 'scissors'])\n"
">>> parser.parse_args(['rock'])\n"
"Namespace(move='rock')\n"
">>> parser.parse_args(['fire'])\n"
"usage: game.py [-h] {rock,paper,scissors}\n"
"game.py: error: argument move: invalid choice: 'fire' (choose from 'rock',\n"
"'paper', 'scissors')"
msgstr ""

#: ../../library/argparse.rst:1174
msgid ""
"Any sequence can be passed as the *choices* value, so :class:`list` "
"objects, :class:`tuple` objects, and custom sequences are all supported."
msgstr ""
"任意のシーケンスを *choices* に渡すことができます。すなわち、:class:`list` オ"
"ブジェクト、 :class:`tuple` オブジェクト、カスタムシーケンスはすべてサポート"
"されています。"

#: ../../library/argparse.rst:1177
msgid ""
"Use of :class:`enum.Enum` is not recommended because it is difficult to "
"control its appearance in usage, help, and error messages."
msgstr ""
"ただし、:class:`enum.Enum` を渡すことは推奨されません。使用方法、ヘルプ、エ"
"ラーメッセージなどでどのように表示されるかを制御することが難いからです。"

#: ../../library/argparse.rst:1180
msgid ""
"Note that *choices* are checked after any type_ conversions have been "
"performed, so objects in *choices* should match the type_ specified. This "
"can make *choices* appear unfamiliar in usage, help, or error messages."
msgstr ""

#: ../../library/argparse.rst:1185
msgid ""
"To keep *choices* user-friendly, consider a custom type wrapper that "
"converts and formats values, or omit type_ and handle conversion in your "
"application code."
msgstr ""

#: ../../library/argparse.rst:1189
msgid ""
"Formatted choices override the default *metavar* which is normally derived "
"from *dest*.  This is usually what you want because the user never sees the "
"*dest* parameter.  If this display isn't desirable (perhaps because there "
"are many choices), just specify an explicit metavar_."
msgstr ""
"ヘルプテキストにおいて整形された choices の値は、通常 *dest* から生成されるデ"
"フォルトの *metavar* に優先します。ユーザーは *dest* パラメータを目にすること"
"がないため、この振る舞いは基本的には望ましいものです。もしこの表示方法が望ま"
"しくない場合 (おそらく多くの選択肢がある場合など) は、 metavar_ を明示的に指"
"定してください。"

#: ../../library/argparse.rst:1198
msgid "required"
msgstr "required"

#: ../../library/argparse.rst:1200
msgid ""
"In general, the :mod:`!argparse` module assumes that flags like ``-f`` and "
"``--bar`` indicate *optional* arguments, which can always be omitted at the "
"command line. To make an option *required*, ``True`` can be specified for "
"the ``required=`` keyword argument to :meth:`~ArgumentParser.add_argument`::"
msgstr ""

#: ../../library/argparse.rst:1205
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', required=True)\n"
">>> parser.parse_args(['--foo', 'BAR'])\n"
"Namespace(foo='BAR')\n"
">>> parser.parse_args([])\n"
"usage: [-h] --foo FOO\n"
": error: the following arguments are required: --foo"
msgstr ""

#: ../../library/argparse.rst:1213
msgid ""
"As the example shows, if an option is marked as ``required``, :meth:"
"`~ArgumentParser.parse_args` will report an error if that option is not "
"present at the command line."
msgstr ""
"上の例のように、引数が ``required`` と指定されると、:meth:`~ArgumentParser."
"parse_args` はそのフラグがコマンドラインに存在しないときにエラーを表示しま"
"す。"

#: ../../library/argparse.rst:1219
msgid ""
"Required options are generally considered bad form because users expect "
"*options* to be *optional*, and thus they should be avoided when possible."
msgstr ""
"ユーザーは、通常 *フラグ* の指定は *任意* であると認識しているため、必須にす"
"るのは一般的には悪いやり方で、できる限り避けるべきです。"

#: ../../library/argparse.rst:1226
msgid "help"
msgstr "help"

#: ../../library/argparse.rst:1228
msgid ""
"The ``help`` value is a string containing a brief description of the "
"argument. When a user requests help (usually by using ``-h`` or ``--help`` "
"at the command line), these ``help`` descriptions will be displayed with "
"each argument."
msgstr ""

#: ../../library/argparse.rst:1233
msgid ""
"The ``help`` strings can include various format specifiers to avoid "
"repetition of things like the program name or the argument default_.  The "
"available specifiers include the program name, ``%(prog)s`` and most keyword "
"arguments to :meth:`~ArgumentParser.add_argument`, e.g. ``%(default)s``, "
"``%(type)s``, etc.::"
msgstr ""
"``help`` 文字列には、プログラム名や引数の default_ などを繰り返し記述するのを"
"避けるためのフォーマット指定子を含めることができます。利用できる指定子には、"
"プログラム名 ``%(prog)s`` と、 ``%(default)s`` や ``%(type)s`` など :meth:"
"`~ArgumentParser.add_argument` のキーワード引数の多くが含まれます::"

#: ../../library/argparse.rst:1238
msgid ""
">>> parser = argparse.ArgumentParser(prog='frobble')\n"
">>> parser.add_argument('bar', nargs='?', type=int, default=42,\n"
"...                     help='the bar to %(prog)s (default: %(default)s)')\n"
">>> parser.print_help()\n"
"usage: frobble [-h] [bar]\n"
"\n"
"positional arguments:\n"
" bar     the bar to frobble (default: 42)\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit"
msgstr ""

#: ../../library/argparse.rst:1250
msgid ""
"As the help string supports %-formatting, if you want a literal ``%`` to "
"appear in the help string, you must escape it as ``%%``."
msgstr ""
"ヘルプ文字列は %-フォーマットをサポートしているので、ヘルプ文字列内にリテラ"
"ル ``%`` を表示したい場合は ``%%`` のようにエスケープしなければなりません。"

#: ../../library/argparse.rst:1253
msgid ""
":mod:`!argparse` supports silencing the help entry for certain options, by "
"setting the ``help`` value to ``argparse.SUPPRESS``::"
msgstr ""

#: ../../library/argparse.rst:1256
msgid ""
">>> parser = argparse.ArgumentParser(prog='frobble')\n"
">>> parser.add_argument('--foo', help=argparse.SUPPRESS)\n"
">>> parser.print_help()\n"
"usage: frobble [-h]\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit"
msgstr ""

#: ../../library/argparse.rst:1268
msgid "metavar"
msgstr "metavar"

#: ../../library/argparse.rst:1270
msgid ""
"When :class:`ArgumentParser` generates help messages, it needs some way to "
"refer to each expected argument.  By default, :class:`!ArgumentParser` "
"objects use the dest_ value as the \"name\" of each object.  By default, for "
"positional argument actions, the dest_ value is used directly, and for "
"optional argument actions, the dest_ value is uppercased.  So, a single "
"positional argument with ``dest='bar'`` will be referred to as ``bar``. A "
"single optional argument ``--foo`` that should be followed by a single "
"command-line argument will be referred to as ``FOO``.  An example::"
msgstr ""

#: ../../library/argparse.rst:1279
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo')\n"
">>> parser.add_argument('bar')\n"
">>> parser.parse_args('X --foo Y'.split())\n"
"Namespace(bar='X', foo='Y')\n"
">>> parser.print_help()\n"
"usage:  [-h] [--foo FOO] bar\n"
"\n"
"positional arguments:\n"
" bar\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
" --foo FOO"
msgstr ""

#: ../../library/argparse.rst:1294
msgid "An alternative name can be specified with ``metavar``::"
msgstr "代わりの名前を、``metavar`` として指定できます::"

#: ../../library/argparse.rst:1296
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', metavar='YYY')\n"
">>> parser.add_argument('bar', metavar='XXX')\n"
">>> parser.parse_args('X --foo Y'.split())\n"
"Namespace(bar='X', foo='Y')\n"
">>> parser.print_help()\n"
"usage:  [-h] [--foo YYY] XXX\n"
"\n"
"positional arguments:\n"
" XXX\n"
"\n"
"options:\n"
" -h, --help  show this help message and exit\n"
" --foo YYY"
msgstr ""

#: ../../library/argparse.rst:1311
msgid ""
"Note that ``metavar`` only changes the *displayed* name - the name of the "
"attribute on the :meth:`~ArgumentParser.parse_args` object is still "
"determined by the dest_ value."
msgstr ""
"``metavar`` は *表示される* 名前だけを変更することに注意してください。:meth:"
"`~ArgumentParser.parse_args` の返すオブジェクトの属性名は dest_ の値のままで"
"す。"

#: ../../library/argparse.rst:1315
msgid ""
"Different values of ``nargs`` may cause the metavar to be used multiple "
"times. Providing a tuple to ``metavar`` specifies a different display for "
"each of the arguments::"
msgstr ""
"``nargs`` を指定した場合、metavar が複数回利用されるかもしれません。"
"``metavar`` にタプルを渡すと、各引数に対して異なる名前を指定できます::"

#: ../../library/argparse.rst:1319
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-x', nargs=2)\n"
">>> parser.add_argument('--foo', nargs=2, metavar=('bar', 'baz'))\n"
">>> parser.print_help()\n"
"usage: PROG [-h] [-x X X] [--foo bar baz]\n"
"\n"
"options:\n"
" -h, --help     show this help message and exit\n"
" -x X X\n"
" --foo bar baz"
msgstr ""

#: ../../library/argparse.rst:1334
msgid "dest"
msgstr "dest"

#: ../../library/argparse.rst:1336
msgid ""
"Most :class:`ArgumentParser` actions add some value as an attribute of the "
"object returned by :meth:`~ArgumentParser.parse_args`.  The name of this "
"attribute is determined by the ``dest`` keyword argument of :meth:"
"`~ArgumentParser.add_argument`.  For positional argument actions, ``dest`` "
"is normally supplied as the first argument to :meth:`~ArgumentParser."
"add_argument`::"
msgstr ""
"ほとんどの :class:`ArgumentParser` のアクションは :meth:`~ArgumentParser."
"parse_args` が返すオブジェクトに対する属性として値を追加します。この属性の名"
"前は :meth:`~ArgumentParser.add_argument` の ``dest`` キーワード引数によって"
"決定されます。位置引数のアクションについては、 ``dest`` は通常 :meth:"
"`~ArgumentParser.add_argument` の第一引数として渡します::"

#: ../../library/argparse.rst:1343
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('bar')\n"
">>> parser.parse_args(['XXX'])\n"
"Namespace(bar='XXX')"
msgstr ""

#: ../../library/argparse.rst:1348
msgid ""
"For optional argument actions, the value of ``dest`` is normally inferred "
"from the option strings.  :class:`ArgumentParser` generates the value of "
"``dest`` by taking the first double-dash long option string and stripping "
"away the initial ``-`` characters. If no double-dash long option strings "
"were supplied, ``dest`` will be derived from the first single-dash long "
"option string by stripping the initial ``-`` character. If no long option "
"strings were supplied, ``dest`` will be derived from the first short option "
"string by stripping the initial ``-`` character.  Any internal ``-`` "
"characters will be converted to ``_`` characters to make sure the string is "
"a valid attribute name.  The examples below illustrate this behavior::"
msgstr ""

#: ../../library/argparse.rst:1361
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('-f', '--foo-bar', '--foo')\n"
">>> parser.add_argument('-q', '-quz')\n"
">>> parser.add_argument('-x', '-y')\n"
">>> parser.parse_args('-f 1 -q 2 -x 3'.split())\n"
"Namespace(foo_bar='1', quz='2', x='3')\n"
">>> parser.parse_args('--foo 1 -quz 2 -y 3'.split())\n"
"Namespace(foo_bar='1', quz='2', x='2')"
msgstr ""

#: ../../library/argparse.rst:1370
msgid "``dest`` allows a custom attribute name to be provided::"
msgstr "``dest`` にカスタムの属性名を与えることも可能です::"

#: ../../library/argparse.rst:1372
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', dest='bar')\n"
">>> parser.parse_args('--foo XXX'.split())\n"
"Namespace(bar='XXX')"
msgstr ""

#: ../../library/argparse.rst:1377
msgid ""
"Multiple arguments may share the same ``dest``.  By default, the value from "
"the last such argument given on the command line wins.  Use "
"``action='append'`` to collect values from all of them into a list instead.  "
"For conflicting *option strings* rather than ``dest`` names, see "
"conflict_handler_."
msgstr ""

#: ../../library/argparse.rst:1382
msgid "Single-dash long option now takes precedence over short options."
msgstr ""

#: ../../library/argparse.rst:1389
msgid "deprecated"
msgstr ""

#: ../../library/argparse.rst:1391
msgid ""
"During a project's lifetime, some arguments may need to be removed from the "
"command line. Before removing them, you should inform your users that the "
"arguments are deprecated and will be removed. The ``deprecated`` keyword "
"argument of :meth:`~ArgumentParser.add_argument`, which defaults to "
"``False``, specifies if the argument is deprecated and will be removed in "
"the future. For arguments, if ``deprecated`` is ``True``, then a warning "
"will be printed to :data:`sys.stderr` when the argument is used::"
msgstr ""

#: ../../library/argparse.rst:1401
msgid ""
">>> import argparse\n"
">>> parser = argparse.ArgumentParser(prog='snake.py')\n"
">>> parser.add_argument('--legs', default=0, type=int, deprecated=True)\n"
">>> parser.parse_args([])\n"
"Namespace(legs=0)\n"
">>> parser.parse_args(['--legs', '4'])\n"
"snake.py: warning: option '--legs' is deprecated\n"
"Namespace(legs=4)"
msgstr ""

#: ../../library/argparse.rst:1414
msgid "Action classes"
msgstr "Action クラス"

#: ../../library/argparse.rst:1416
msgid ""
":class:`!Action` classes implement the Action API, a callable which returns "
"a callable which processes arguments from the command-line. Any object which "
"follows this API may be passed as the ``action`` parameter to :meth:"
"`~ArgumentParser.add_argument`."
msgstr ""

#: ../../library/argparse.rst:1425
msgid ""
":class:`!Action` objects are used by an :class:`ArgumentParser` to represent "
"the information needed to parse a single argument from one or more strings "
"from the command line. The :class:`!Action` class must accept the two "
"positional arguments plus any keyword arguments passed to :meth:"
"`ArgumentParser.add_argument` except for the ``action`` itself."
msgstr ""

#: ../../library/argparse.rst:1431
msgid ""
"Instances of :class:`!Action` (or return value of any callable to the "
"``action`` parameter) should have attributes :attr:`!dest`, :attr:`!"
"option_strings`, :attr:`!default`, :attr:`!type`, :attr:`!required`, :attr:`!"
"help`, etc. defined. The easiest way to ensure these attributes are defined "
"is to call :meth:`!Action.__init__`."
msgstr ""

#: ../../library/argparse.rst:1439
msgid ""
":class:`!Action` instances should be callable, so subclasses must override "
"the :meth:`!__call__` method, which should accept four parameters:"
msgstr ""

#: ../../library/argparse.rst:1442
msgid ""
"*parser* - The :class:`ArgumentParser` object which contains this action."
msgstr ""

#: ../../library/argparse.rst:1444
msgid ""
"*namespace* - The :class:`Namespace` object that will be returned by :meth:"
"`~ArgumentParser.parse_args`.  Most actions add an attribute to this object "
"using :func:`setattr`."
msgstr ""

#: ../../library/argparse.rst:1448
msgid ""
"*values* - The associated command-line arguments, with any type conversions "
"applied.  Type conversions are specified with the type_ keyword argument to :"
"meth:`~ArgumentParser.add_argument`."
msgstr ""

#: ../../library/argparse.rst:1452
msgid ""
"*option_string* - The option string that was used to invoke this action. The "
"``option_string`` argument is optional, and will be absent if the action is "
"associated with a positional argument."
msgstr ""

#: ../../library/argparse.rst:1456
msgid ""
"The :meth:`!__call__` method may perform arbitrary actions, but will "
"typically set attributes on the ``namespace`` based on ``dest`` and "
"``values``."
msgstr ""

#: ../../library/argparse.rst:1461
msgid ""
":class:`!Action` subclasses can define a :meth:`!format_usage` method that "
"takes no argument and return a string which will be used when printing the "
"usage of the program. If such method is not provided, a sensible default "
"will be used."
msgstr ""

#: ../../library/argparse.rst:1467
msgid ""
"A subclass of :class:`Action` for handling boolean flags with positive and "
"negative options. Adding a single argument such as ``--foo`` automatically "
"creates both ``--foo`` and ``--no-foo`` options, storing ``True`` and "
"``False`` respectively::"
msgstr ""

#: ../../library/argparse.rst:1472
msgid ""
">>> import argparse\n"
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action=argparse.BooleanOptionalAction)\n"
">>> parser.parse_args(['--no-foo'])\n"
"Namespace(foo=False)"
msgstr ""

#: ../../library/argparse.rst:1478
msgid ""
"Single-dash long options are also supported. For example, negative option ``-"
"nofoo`` is automatically added for positive option ``-foo``. But no "
"additional options are added for short options such as ``-f``."
msgstr ""

#: ../../library/argparse.rst:1485
msgid "Added support for single-dash options."
msgstr ""

#: ../../library/argparse.rst:1488
msgid "Added support for alternate prefix_chars_."
msgstr ""

#: ../../library/argparse.rst:1492
msgid "The parse_args() method"
msgstr "parse_args() メソッド"

#: ../../library/argparse.rst:1496
msgid ""
"Convert argument strings to objects and assign them as attributes of the "
"namespace.  Return the populated namespace."
msgstr ""
"引数の文字列をオブジェクトに変換し、namespace オブジェクトの属性に代入しま"
"す。結果の namespace オブジェクトを返します。"

#: ../../library/argparse.rst:1499
msgid ""
"Previous calls to :meth:`add_argument` determine exactly what objects are "
"created and how they are assigned. See the documentation for :meth:`!"
"add_argument` for details."
msgstr ""

#: ../../library/argparse.rst:1503
msgid ""
"args_ - List of strings to parse.  The default is taken from :data:`sys."
"argv`."
msgstr ""
"args_ - 解析する文字列のリスト。デフォルトでは :data:`sys.argv` から取得され"
"ます。"

#: ../../library/argparse.rst:1506
msgid ""
"namespace_ - An object to take the attributes.  The default is a new empty :"
"class:`Namespace` object."
msgstr ""
"namespace_ - 属性を代入するオブジェクト。デフォルトでは、新しい空の :class:"
"`Namespace` オブジェクトです。"

#: ../../library/argparse.rst:1511
msgid "Option value syntax"
msgstr "オプション値の文法"

#: ../../library/argparse.rst:1513
msgid ""
"The :meth:`~ArgumentParser.parse_args` method supports several ways of "
"specifying the value of an option (if it takes one).  In the simplest case, "
"the option and its value are passed as two separate arguments::"
msgstr ""
":meth:`~ArgumentParser.parse_args` メソッドは、オプションの値がある場合、その"
"オプションの値の指定に複数の方法をサポートしています。もっとも単純な場合に"
"は、オプションとその値は次のように2つの別々の引数として渡されます::"

#: ../../library/argparse.rst:1517
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-x')\n"
">>> parser.add_argument('--foo')\n"
">>> parser.parse_args(['-x', 'X'])\n"
"Namespace(foo=None, x='X')\n"
">>> parser.parse_args(['--foo', 'FOO'])\n"
"Namespace(foo='FOO', x=None)"
msgstr ""

#: ../../library/argparse.rst:1525
msgid ""
"For long options (options with names longer than a single character), the "
"option and value can also be passed as a single command-line argument, using "
"``=`` to separate them::"
msgstr ""
"長いオプション (1文字よりも長い名前を持ったオプション) では、オプションとその"
"値は次のように ``=`` で区切られた1つのコマンドライン引数として渡すこともでき"
"ます::"

#: ../../library/argparse.rst:1529
msgid ""
">>> parser.parse_args(['--foo=FOO'])\n"
"Namespace(foo='FOO', x=None)"
msgstr ""

#: ../../library/argparse.rst:1532
msgid ""
"For short options (options only one character long), the option and its "
"value can be concatenated::"
msgstr ""
"短いオプション (1文字のオプション) では、オプションとその値は次のように連結し"
"て渡すことができます::"

#: ../../library/argparse.rst:1535
msgid ""
">>> parser.parse_args(['-xX'])\n"
"Namespace(foo=None, x='X')"
msgstr ""

#: ../../library/argparse.rst:1538
msgid ""
"Several short options can be joined together, using only a single ``-`` "
"prefix, as long as only the last option (or none of them) requires a value::"
msgstr ""
"最後の1つのオプションだけが値を要求する場合、または値を要求するオプションがな"
"い場合、複数の短いオプションは次のように1つの接頭辞 ``-`` だけで連結できま"
"す::"

#: ../../library/argparse.rst:1541
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-x', action='store_true')\n"
">>> parser.add_argument('-y', action='store_true')\n"
">>> parser.add_argument('-z')\n"
">>> parser.parse_args(['-xyzZ'])\n"
"Namespace(x=True, y=True, z='Z')"
msgstr ""

#: ../../library/argparse.rst:1550
msgid "Invalid arguments"
msgstr "不正な引数"

#: ../../library/argparse.rst:1552
msgid ""
"While parsing the command line, :meth:`~ArgumentParser.parse_args` checks "
"for a variety of errors, including ambiguous options, invalid types, invalid "
"options, wrong number of positional arguments, etc.  When it encounters such "
"an error, it exits and prints the error along with a usage message::"
msgstr ""
":meth:`~ArgumentParser.parse_args` は、コマンドラインの解析中に、曖昧なオプ"
"ション、不正な型、不正なオプション、位置引数の数の不一致などのエラーを検証し"
"ます。それらのエラーが発生した場合、エラーメッセージと使用法メッセージを表示"
"して終了します::"

#: ../../library/argparse.rst:1557
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('--foo', type=int)\n"
">>> parser.add_argument('bar', nargs='?')\n"
"\n"
">>> # invalid type\n"
">>> parser.parse_args(['--foo', 'spam'])\n"
"usage: PROG [-h] [--foo FOO] [bar]\n"
"PROG: error: argument --foo: invalid int value: 'spam'\n"
"\n"
">>> # invalid option\n"
">>> parser.parse_args(['--bar'])\n"
"usage: PROG [-h] [--foo FOO] [bar]\n"
"PROG: error: unrecognized arguments: --bar\n"
"\n"
">>> # wrong number of arguments\n"
">>> parser.parse_args(['spam', 'badger'])\n"
"usage: PROG [-h] [--foo FOO] [bar]\n"
"PROG: error: unrecognized arguments: badger"
msgstr ""

#: ../../library/argparse.rst:1578
msgid "Arguments containing ``-``"
msgstr "``-`` を含む引数"

#: ../../library/argparse.rst:1580
msgid ""
"The :meth:`~ArgumentParser.parse_args` method attempts to give errors "
"whenever the user has clearly made a mistake, but some situations are "
"inherently ambiguous.  For example, the command-line argument ``-1`` could "
"either be an attempt to specify an option or an attempt to provide a "
"positional argument. The :meth:`~ArgumentParser.parse_args` method is "
"cautious here: positional arguments may only begin with ``-`` if they look "
"like negative numbers and there are no options in the parser that look like "
"negative numbers::"
msgstr ""
":meth:`~ArgumentParser.parse_args` メソッドは、ユーザーが明らかなミスをした場"
"合はエラーを表示しますが、いくつか本質的に曖昧な場面があります。例えば、コマ"
"ンドライン引数 ``-1`` は、オプションの指定かもしれませんし位置引数かもしれま"
"せん。:meth:`~ArgumentParser.parse_args` メソッドはこれを次のように扱います: "
"負の数として解釈でき、パーサーに負の数のように解釈できるオプションが存在しな"
"い場合にのみ、``-`` で始まる位置引数になりえます::"

#: ../../library/argparse.rst:1588
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-x')\n"
">>> parser.add_argument('foo', nargs='?')\n"
"\n"
">>> # no negative number options, so -1 is a positional argument\n"
">>> parser.parse_args(['-x', '-1'])\n"
"Namespace(foo=None, x='-1')\n"
"\n"
">>> # no negative number options, so -1 and -5 are positional arguments\n"
">>> parser.parse_args(['-x', '-1', '-5'])\n"
"Namespace(foo='-5', x='-1')\n"
"\n"
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-1', dest='one')\n"
">>> parser.add_argument('foo', nargs='?')\n"
"\n"
">>> # negative number options present, so -1 is an option\n"
">>> parser.parse_args(['-1', 'X'])\n"
"Namespace(foo=None, one='X')\n"
"\n"
">>> # negative number options present, so -2 is an option\n"
">>> parser.parse_args(['-2'])\n"
"usage: PROG [-h] [-1 ONE] [foo]\n"
"PROG: error: unrecognized arguments: -2\n"
"\n"
">>> # negative number options present, so both -1s are options\n"
">>> parser.parse_args(['-1', '-1'])\n"
"usage: PROG [-h] [-1 ONE] [foo]\n"
"PROG: error: argument -1: expected one argument"
msgstr ""

#: ../../library/argparse.rst:1618
msgid ""
"If you have positional arguments that must begin with ``-`` and don't look "
"like negative numbers, you can insert the pseudo-argument ``'--'`` which "
"tells :meth:`~ArgumentParser.parse_args` that everything after that is a "
"positional argument::"
msgstr ""
"``-`` で始まる位置引数があって、それが負の数として解釈できない場合、ダミーの"
"引数 ``'--'`` を挿入して、:meth:`~ArgumentParser.parse_args` にそれ以降のすべ"
"てが位置引数だと教えることができます::"

#: ../../library/argparse.rst:1623
msgid ""
">>> parser.parse_args(['--', '-f'])\n"
"Namespace(foo='-f', one=None)"
msgstr ""

#: ../../library/argparse.rst:1626
msgid ""
"See also :ref:`the argparse howto on ambiguous arguments <specifying-"
"ambiguous-arguments>` for more details."
msgstr ""

#: ../../library/argparse.rst:1629
msgid ""
"Negative-number matching was expanded to include numbers in scientific "
"notation (``-2.5e-6``), numbers containing underscores (``-1_234.5``), and "
"complex numbers (``-1.2e-3j``)."
msgstr ""

#: ../../library/argparse.rst:1637
msgid "Argument abbreviations (prefix matching)"
msgstr "引数の短縮形 (先頭文字でのマッチング)"

#: ../../library/argparse.rst:1639
msgid ""
"The :meth:`~ArgumentParser.parse_args` method :ref:`by default "
"<allow_abbrev>` allows long options to be abbreviated to a prefix, if the "
"abbreviation is unambiguous (the prefix matches a unique option)::"
msgstr ""
":meth:`~ArgumentParser.parse_args` メソッドは、:ref:`デフォルトで "
"<allow_abbrev>`、長いオプションに曖昧さがない (先頭文字列が一意である) かぎ"
"り、先頭文字列に短縮して指定できます::"

#: ../../library/argparse.rst:1643
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('-bacon')\n"
">>> parser.add_argument('-badger')\n"
">>> parser.parse_args('-bac MMM'.split())\n"
"Namespace(bacon='MMM', badger=None)\n"
">>> parser.parse_args('-bad WOOD'.split())\n"
"Namespace(bacon=None, badger='WOOD')\n"
">>> parser.parse_args('-ba BA'.split())\n"
"usage: PROG [-h] [-bacon BACON] [-badger BADGER]\n"
"PROG: error: ambiguous option: -ba could match -badger, -bacon"
msgstr ""

#: ../../library/argparse.rst:1654
msgid ""
"An error is produced for arguments that could produce more than one options. "
"This feature can be disabled by setting :ref:`allow_abbrev` to ``False``."
msgstr ""
"先頭の文字が同じ引数が複数ある場合に短縮指定を行うとエラーを発生させます。こ"
"の機能は :ref:`allow_abbrev` に ``False`` を指定することで無効にできます。"

#: ../../library/argparse.rst:1660
msgid "Beyond ``sys.argv``"
msgstr "``sys.argv`` 以外"

#: ../../library/argparse.rst:1662
msgid ""
"Sometimes it may be useful to have an :class:`ArgumentParser` parse "
"arguments other than those of :data:`sys.argv`.  This can be accomplished by "
"passing a list of strings to :meth:`~ArgumentParser.parse_args`.  This is "
"useful for testing at the interactive prompt::"
msgstr ""

#: ../../library/argparse.rst:1667
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument(\n"
"...     'integers', metavar='int', type=int, choices=range(10),\n"
"...     nargs='+', help='an integer in the range 0..9')\n"
">>> parser.add_argument(\n"
"...     '--sum', dest='accumulate', action='store_const', const=sum,\n"
"...     default=max, help='sum the integers (default: find the max)')\n"
">>> parser.parse_args(['1', '2', '3', '4'])\n"
"Namespace(accumulate=<built-in function max>, integers=[1, 2, 3, 4])\n"
">>> parser.parse_args(['1', '2', '3', '4', '--sum'])\n"
"Namespace(accumulate=<built-in function sum>, integers=[1, 2, 3, 4])"
msgstr ""

#: ../../library/argparse.rst:1682
msgid "The Namespace object"
msgstr "Namespace オブジェクト"

#: ../../library/argparse.rst:1686
msgid ""
"Simple class used by default by :meth:`~ArgumentParser.parse_args` to create "
"an object holding attributes and return it."
msgstr ""
":meth:`~ArgumentParser.parse_args` が属性を格納して返すためのオブジェクトにデ"
"フォルトで使用されるシンプルなクラスです。"

#: ../../library/argparse.rst:1689
msgid ""
"This class is deliberately simple, just an :class:`object` subclass with a "
"readable string representation. If you prefer to have dict-like view of the "
"attributes, you can use the standard Python idiom, :func:`vars`::"
msgstr ""
"このクラスはシンプルに設計されており、単に読みやすい文字列表現を持った :"
"class:`object` のサブクラスです。もし属性を辞書のように扱える方が良ければ、標"
"準的な Python のイディオム :func:`vars` を利用できます::"

#: ../../library/argparse.rst:1693
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo')\n"
">>> args = parser.parse_args(['--foo', 'BAR'])\n"
">>> vars(args)\n"
"{'foo': 'BAR'}"
msgstr ""

#: ../../library/argparse.rst:1699
msgid ""
"It may also be useful to have an :class:`ArgumentParser` assign attributes "
"to an already existing object, rather than a new :class:`Namespace` object.  "
"This can be achieved by specifying the ``namespace=`` keyword argument::"
msgstr ""
":class:`ArgumentParser` が、新しい :class:`Namespace` オブジェクトではなく、"
"既存のオブジェクトに属性を設定する方が良い場合があります。これは "
"``namespace=`` キーワード引数を指定することで可能です::"

#: ../../library/argparse.rst:1703
msgid ""
">>> class C:\n"
"...     pass\n"
"...\n"
">>> c = C()\n"
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo')\n"
">>> parser.parse_args(args=['--foo', 'BAR'], namespace=c)\n"
">>> c.foo\n"
"'BAR'"
msgstr ""

#: ../../library/argparse.rst:1715
msgid "Other utilities"
msgstr "その他のユーティリティ"

#: ../../library/argparse.rst:1718
msgid "Subcommands"
msgstr ""

#: ../../library/argparse.rst:1725
msgid ""
"Many programs split up their functionality into a number of subcommands, for "
"example, the ``svn`` program can invoke subcommands like ``svn checkout``, "
"``svn update``, and ``svn commit``.  Splitting up functionality this way can "
"be a particularly good idea when a program performs several different "
"functions which require different kinds of command-line arguments. :class:"
"`ArgumentParser` supports the creation of such subcommands with the :meth:`!"
"add_subparsers` method.  The :meth:`!add_subparsers` method is normally "
"called with no arguments and returns a special action object.  This object "
"has a single method, :meth:`~_SubParsersAction.add_parser`, which takes a "
"command name and any :class:`!ArgumentParser` constructor arguments, and "
"returns an :class:`!ArgumentParser` object that can be modified as usual."
msgstr ""

#: ../../library/argparse.rst:1737
msgid "Description of parameters:"
msgstr "引数の説明:"

#: ../../library/argparse.rst:1739
msgid ""
"*title* - title for the sub-parser group in help output; by default "
"\"subcommands\" if description is provided, otherwise uses title for "
"positional arguments"
msgstr ""

#: ../../library/argparse.rst:1743
msgid ""
"*description* - description for the sub-parser group in help output, by "
"default ``None``"
msgstr ""

#: ../../library/argparse.rst:1746
msgid ""
"*prog* - usage information that will be displayed with subcommand help, by "
"default the name of the program and any positional arguments before the "
"subparser argument"
msgstr ""

#: ../../library/argparse.rst:1750
msgid ""
"*parser_class* - class which will be used to create sub-parser instances, by "
"default the class of the current parser (e.g. :class:`ArgumentParser`)"
msgstr ""

#: ../../library/argparse.rst:1753
msgid ""
"action_ - the basic type of action to be taken when this argument is "
"encountered at the command line"
msgstr "action_ - コマンドラインにこの引数があったときの基本のアクション。"

#: ../../library/argparse.rst:1756
msgid ""
"dest_ - name of the attribute under which subcommand name will be stored; by "
"default ``None`` and no value is stored"
msgstr ""

#: ../../library/argparse.rst:1759
msgid ""
"required_ - Whether or not a subcommand must be provided, by default "
"``False`` (added in 3.7)"
msgstr ""
"required_ - サブコマンドが必須であるかどうかを指定し、デフォルトは ``False`` "
"です。(3.7 より追加)"

#: ../../library/argparse.rst:1762
msgid "help_ - help for sub-parser group in help output, by default ``None``"
msgstr ""
"help_ - ヘルプ出力に表示されるサブパーサーグループのヘルプです。デフォルトは "
"``None`` です"

#: ../../library/argparse.rst:1764
msgid ""
"metavar_ - string presenting available subcommands in help; by default it is "
"``None`` and presents subcommands in form {cmd1, cmd2, ..}"
msgstr ""

#: ../../library/argparse.rst:1767
msgid "Some example usage::"
msgstr "いくつかの使用例::"

#: ../../library/argparse.rst:1769
msgid ""
">>> # create the top-level parser\n"
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> parser.add_argument('--foo', action='store_true', help='foo help')\n"
">>> subparsers = parser.add_subparsers(help='subcommand help')\n"
">>>\n"
">>> # create the parser for the \"a\" command\n"
">>> parser_a = subparsers.add_parser('a', help='a help')\n"
">>> parser_a.add_argument('bar', type=int, help='bar help')\n"
">>>\n"
">>> # create the parser for the \"b\" command\n"
">>> parser_b = subparsers.add_parser('b', help='b help')\n"
">>> parser_b.add_argument('--baz', choices=('X', 'Y', 'Z'), help='baz "
"help')\n"
">>>\n"
">>> # parse some argument lists\n"
">>> parser.parse_args(['a', '12'])\n"
"Namespace(bar=12, foo=False)\n"
">>> parser.parse_args(['--foo', 'b', '--baz', 'Z'])\n"
"Namespace(baz='Z', foo=True)"
msgstr ""

#: ../../library/argparse.rst:1788
msgid ""
"Note that the object returned by :meth:`~ArgumentParser.parse_args` will "
"only contain attributes for the main parser and the subparser that was "
"selected by the command line (and not any other subparsers).  So in the "
"example above, when the ``a`` command is specified, only the ``foo`` and "
"``bar`` attributes are present, and when the ``b`` command is specified, "
"only the ``foo`` and ``baz`` attributes are present."
msgstr ""

#: ../../library/argparse.rst:1795
msgid ""
"If a subparser defines an argument with the same ``dest`` as the parent "
"parser, the two share a single namespace attribute, so the parent's value "
"won't be retained. Users should give them  distinct ``dest`` values to keep "
"both."
msgstr ""

#: ../../library/argparse.rst:1800
msgid ""
"Similarly, when a help message is requested from a subparser, only the help "
"for that particular parser will be printed.  The help message will not "
"include parent parser or sibling parser messages.  (A help message for each "
"subparser command, however, can be given by supplying the ``help=`` argument "
"to :meth:`~_SubParsersAction.add_parser` as above.)"
msgstr ""
"同じように、サブパーサーにヘルプメッセージが要求された場合は、そのパーサーに"
"対するヘルプだけが表示されます。ヘルプメッセージには親パーサーや兄弟パーサー"
"のヘルプメッセージを表示しません。 (ただし、各サブパーサーコマンドのヘルプ"
"メッセージは、上の例にもあるように :meth:`~_SubParsersAction.add_parser` の "
"``help=`` 引数によって指定できます)"

#: ../../library/argparse.rst:1808
msgid ""
">>> parser.parse_args(['--help'])\n"
"usage: PROG [-h] [--foo] {a,b} ...\n"
"\n"
"positional arguments:\n"
"  {a,b}   subcommand help\n"
"    a     a help\n"
"    b     b help\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit\n"
"  --foo   foo help\n"
"\n"
">>> parser.parse_args(['a', '--help'])\n"
"usage: PROG a [-h] bar\n"
"\n"
"positional arguments:\n"
"  bar     bar help\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit\n"
"\n"
">>> parser.parse_args(['b', '--help'])\n"
"usage: PROG b [-h] [--baz {X,Y,Z}]\n"
"\n"
"options:\n"
"  -h, --help     show this help message and exit\n"
"  --baz {X,Y,Z}  baz help"
msgstr ""

#: ../../library/argparse.rst:1836
msgid ""
"The :meth:`~ArgumentParser.add_subparsers` method also supports ``title`` "
"and ``description`` keyword arguments.  When either is present, the "
"subparser's commands will appear in their own group in the help output.  For "
"example::"
msgstr ""

#: ../../library/argparse.rst:1840
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> subparsers = parser.add_subparsers(title='subcommands',\n"
"...                                    description='valid subcommands',\n"
"...                                    help='additional help')\n"
">>> subparsers.add_parser('foo')\n"
">>> subparsers.add_parser('bar')\n"
">>> parser.parse_args(['-h'])\n"
"usage:  [-h] {foo,bar} ...\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit\n"
"\n"
"subcommands:\n"
"  valid subcommands\n"
"\n"
"  {foo,bar}   additional help"
msgstr ""

#: ../../library/argparse.rst:1857
msgid ""
"One particularly effective way of handling subcommands is to combine the use "
"of the :meth:`~ArgumentParser.add_subparsers` method with calls to :meth:"
"`~ArgumentParser.set_defaults` so that each subparser knows which Python "
"function it should execute.  For example::"
msgstr ""

#: ../../library/argparse.rst:1862
msgid ""
">>> # subcommand functions\n"
">>> def foo(args):\n"
"...     print(args.x * args.y)\n"
"...\n"
">>> def bar(args):\n"
"...     print('((%s))' % args.z)\n"
"...\n"
">>> # create the top-level parser\n"
">>> parser = argparse.ArgumentParser()\n"
">>> subparsers = parser.add_subparsers(required=True)\n"
">>>\n"
">>> # create the parser for the \"foo\" command\n"
">>> parser_foo = subparsers.add_parser('foo')\n"
">>> parser_foo.add_argument('-x', type=int, default=1)\n"
">>> parser_foo.add_argument('y', type=float)\n"
">>> parser_foo.set_defaults(func=foo)\n"
">>>\n"
">>> # create the parser for the \"bar\" command\n"
">>> parser_bar = subparsers.add_parser('bar')\n"
">>> parser_bar.add_argument('z')\n"
">>> parser_bar.set_defaults(func=bar)\n"
">>>\n"
">>> # parse the args and call whatever function was selected\n"
">>> args = parser.parse_args('foo 1 -x 2'.split())\n"
">>> args.func(args)\n"
"2.0\n"
">>>\n"
">>> # parse the args and call whatever function was selected\n"
">>> args = parser.parse_args('bar XYZYX'.split())\n"
">>> args.func(args)\n"
"((XYZYX))"
msgstr ""

#: ../../library/argparse.rst:1894
msgid ""
"This way, you can let :meth:`~ArgumentParser.parse_args` do the job of "
"calling the appropriate function after argument parsing is complete.  "
"Associating functions with actions like this is typically the easiest way to "
"handle the different actions for each of your subparsers.  However, if it is "
"necessary to check the name of the subparser that was invoked, the ``dest`` "
"keyword argument to the :meth:`~ArgumentParser.add_subparsers` call will "
"work::"
msgstr ""

#: ../../library/argparse.rst:1901
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> subparsers = parser.add_subparsers(dest='subparser_name')\n"
">>> subparser1 = subparsers.add_parser('1')\n"
">>> subparser1.add_argument('-x')\n"
">>> subparser2 = subparsers.add_parser('2')\n"
">>> subparser2.add_argument('y')\n"
">>> parser.parse_args(['2', 'frobble'])\n"
"Namespace(subparser_name='2', y='frobble')"
msgstr ""

#: ../../library/argparse.rst:1910
msgid "New *required* keyword-only parameter."
msgstr ""

#: ../../library/argparse.rst:1913
msgid ""
"Subparser's *prog* is no longer affected by a custom usage message in the "
"main parser."
msgstr ""

#: ../../library/argparse.rst:1921
msgid ""
"Create and return a new :class:`ArgumentParser` object for the subcommand "
"*name*."
msgstr ""

#: ../../library/argparse.rst:1924
msgid "The *name* argument is the name of the sub-command."
msgstr ""

#: ../../library/argparse.rst:1926
msgid "The *help* argument provides a short description for this sub-command."
msgstr ""

#: ../../library/argparse.rst:1928
msgid ""
"The *aliases* argument allows providing alternative names for this sub-"
"command. For example::"
msgstr ""

#: ../../library/argparse.rst:1931
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> subparsers = parser.add_subparsers()\n"
">>> checkout = subparsers.add_parser('checkout', aliases=['co'])\n"
">>> checkout.add_argument('foo')\n"
">>> parser.parse_args(['co', 'bar'])\n"
"Namespace(foo='bar')"
msgstr ""

#: ../../library/argparse.rst:1938
msgid ""
"The *deprecated* argument, if ``True``, marks the sub-command as deprecated "
"and will issue a warning when used. For example::"
msgstr ""

#: ../../library/argparse.rst:1941
msgid ""
">>> parser = argparse.ArgumentParser(prog='chicken.py')\n"
">>> subparsers = parser.add_subparsers()\n"
">>> fly = subparsers.add_parser('fly', deprecated=True)\n"
">>> args = parser.parse_args(['fly'])\n"
"chicken.py: warning: command 'fly' is deprecated\n"
"Namespace()"
msgstr ""

#: ../../library/argparse.rst:1948
msgid ""
"All other keyword arguments are passed directly to the :class:`!"
"ArgumentParser` constructor."
msgstr ""

#: ../../library/argparse.rst:1951
msgid "Added the *deprecated* parameter."
msgstr ""

#: ../../library/argparse.rst:1956
msgid "FileType objects"
msgstr "FileType オブジェクト"

#: ../../library/argparse.rst:1960
msgid ""
"The :class:`FileType` factory creates objects that can be passed to the type "
"argument of :meth:`ArgumentParser.add_argument`.  Arguments that have :class:"
"`FileType` objects as their type will open command-line arguments as files "
"with the requested modes, buffer sizes, encodings and error handling (see "
"the :func:`open` function for more details)::"
msgstr ""
":class:`FileType` ファクトリは :meth:`ArgumentParser.add_argument` の type 引"
"数に渡すことができるオブジェクトを生成します。 type が :class:`FileType` オブ"
"ジェクトである引数はコマンドライン引数を、指定されたモード、バッファーサイ"
"ズ、エンコーディング、エラー処理でファイルとして開きます (詳細は :func:"
"`open` 関数を参照してください。)::"

#: ../../library/argparse.rst:1966
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--raw', type=argparse.FileType('wb', 0))\n"
">>> parser.add_argument('out', type=argparse.FileType('w', "
"encoding='UTF-8'))\n"
">>> parser.parse_args(['--raw', 'raw.dat', 'file.txt'])\n"
"Namespace(out=<_io.TextIOWrapper name='file.txt' mode='w' encoding='UTF-8'>, "
"raw=<_io.FileIO name='raw.dat' mode='wb'>)"
msgstr ""

#: ../../library/argparse.rst:1972
msgid ""
"FileType objects understand the pseudo-argument ``'-'`` and automatically "
"convert this into :data:`sys.stdin` for readable :class:`FileType` objects "
"and :data:`sys.stdout` for writable :class:`FileType` objects::"
msgstr ""
"FileType オブジェクトは擬似引数 ``'-'`` を識別し、読み込み用の :class:"
"`FileType` であれば :data:`sys.stdin` を、書き込み用の :class:`FileType` であ"
"れば :data:`sys.stdout` に変換します::"

#: ../../library/argparse.rst:1976
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('infile', type=argparse.FileType('r'))\n"
">>> parser.parse_args(['-'])\n"
"Namespace(infile=<_io.TextIOWrapper name='<stdin>' encoding='UTF-8'>)"
msgstr ""

#: ../../library/argparse.rst:1983
msgid ""
"If one argument uses *FileType* and then a subsequent argument fails, an "
"error is reported but the file is not automatically closed. This can also "
"clobber the output files. In this case, it would be better to wait until "
"after the parser has run and then use the :keyword:`with`-statement to "
"manage the files."
msgstr ""

#: ../../library/argparse.rst:1989
msgid "Added the *encoding* and *errors* parameters."
msgstr "*encoding* と *errors* が引数に追加されました。"

#: ../../library/argparse.rst:1996
msgid "Argument groups"
msgstr "引数グループ"

#: ../../library/argparse.rst:2001
msgid ""
"By default, :class:`ArgumentParser` groups command-line arguments into "
"\"positional arguments\" and \"options\" when displaying help messages. When "
"there is a better conceptual grouping of arguments than this default one, "
"appropriate groups can be created using the :meth:`!add_argument_group` "
"method::"
msgstr ""

#: ../../library/argparse.rst:2007
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)\n"
">>> group = parser.add_argument_group('group')\n"
">>> group.add_argument('--foo', help='foo help')\n"
">>> group.add_argument('bar', help='bar help')\n"
">>> parser.print_help()\n"
"usage: PROG [--foo FOO] bar\n"
"\n"
"group:\n"
"  bar    bar help\n"
"  --foo FOO  foo help"
msgstr ""

#: ../../library/argparse.rst:2018
msgid ""
"The :meth:`add_argument_group` method returns an argument group object which "
"has an :meth:`~ArgumentParser.add_argument` method just like a regular :"
"class:`ArgumentParser`.  When an argument is added to the group, the parser "
"treats it just like a normal argument, but displays the argument in a "
"separate group for help messages.  The :meth:`!add_argument_group` method "
"accepts *title* and *description* arguments which can be used to customize "
"this display::"
msgstr ""

#: ../../library/argparse.rst:2026
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)\n"
">>> group1 = parser.add_argument_group('group1', 'group1 description')\n"
">>> group1.add_argument('foo', help='foo help')\n"
">>> group2 = parser.add_argument_group('group2', 'group2 description')\n"
">>> group2.add_argument('--bar', help='bar help')\n"
">>> parser.print_help()\n"
"usage: PROG [--bar BAR] foo\n"
"\n"
"group1:\n"
"  group1 description\n"
"\n"
"  foo    foo help\n"
"\n"
"group2:\n"
"  group2 description\n"
"\n"
"  --bar BAR  bar help"
msgstr ""

#: ../../library/argparse.rst:2044
msgid ""
"The optional, keyword-only parameters argument_default_ and "
"conflict_handler_ allow for finer-grained control of the behavior of the "
"argument group. These parameters have the same meaning as in the :class:"
"`ArgumentParser` constructor, but apply specifically to the argument group "
"rather than the entire parser."
msgstr ""

#: ../../library/argparse.rst:2049
msgid ""
"Note that any arguments not in your user-defined groups will end up back in "
"the usual \"positional arguments\" and \"optional arguments\" sections."
msgstr ""
"ユーザー定義グループにないすべての引数は通常の \"位置引数\" と \"オプション引"
"数\" セクションに表示されます。"

#: ../../library/argparse.rst:2052
msgid ""
"Within each argument group, arguments are displayed in help output in the "
"order in which they are added."
msgstr ""

#: ../../library/argparse.rst:2055
msgid ""
"Calling :meth:`add_argument_group` on an argument group now raises an "
"exception. This nesting was never supported, often failed to work correctly, "
"and was unintentionally exposed through inheritance."
msgstr ""

#: ../../library/argparse.rst:2060
msgid "Passing prefix_chars_ to :meth:`add_argument_group` is now deprecated."
msgstr ""

#: ../../library/argparse.rst:2066
msgid "Mutual exclusion"
msgstr "相互排他"

#: ../../library/argparse.rst:2070
msgid ""
"Create a mutually exclusive group. :mod:`!argparse` will make sure that only "
"one of the arguments in the mutually exclusive group was present on the "
"command line::"
msgstr ""

#: ../../library/argparse.rst:2074
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> group = parser.add_mutually_exclusive_group()\n"
">>> group.add_argument('--foo', action='store_true')\n"
">>> group.add_argument('--bar', action='store_false')\n"
">>> parser.parse_args(['--foo'])\n"
"Namespace(bar=True, foo=True)\n"
">>> parser.parse_args(['--bar'])\n"
"Namespace(bar=False, foo=False)\n"
">>> parser.parse_args(['--foo', '--bar'])\n"
"usage: PROG [-h] [--foo | --bar]\n"
"PROG: error: argument --bar: not allowed with argument --foo"
msgstr ""

#: ../../library/argparse.rst:2086
msgid ""
"The :meth:`add_mutually_exclusive_group` method also accepts a *required* "
"argument, to indicate that at least one of the mutually exclusive arguments "
"is required::"
msgstr ""
":meth:`add_mutually_exclusive_group` メソッドの引数 *required* に True 値を指"
"定すると、その相互排他引数のどれか1つを選ぶことが要求されます::"

#: ../../library/argparse.rst:2090
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> group = parser.add_mutually_exclusive_group(required=True)\n"
">>> group.add_argument('--foo', action='store_true')\n"
">>> group.add_argument('--bar', action='store_false')\n"
">>> parser.parse_args([])\n"
"usage: PROG [-h] (--foo | --bar)\n"
"PROG: error: one of the arguments --foo --bar is required"
msgstr ""

#: ../../library/argparse.rst:2098
msgid ""
"Note that currently mutually exclusive argument groups do not support the "
"*title* and *description* arguments of :meth:`~ArgumentParser."
"add_argument_group`. However, a mutually exclusive group can be added to an "
"argument group that has a title and description. For example::"
msgstr ""

#: ../../library/argparse.rst:2104
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\n"
">>> group = parser.add_argument_group('Group title', 'Group description')\n"
">>> exclusive_group = group.add_mutually_exclusive_group(required=True)\n"
">>> exclusive_group.add_argument('--foo', help='foo help')\n"
">>> exclusive_group.add_argument('--bar', help='bar help')\n"
">>> parser.print_help()\n"
"usage: PROG [-h] (--foo FOO | --bar BAR)\n"
"\n"
"options:\n"
"  -h, --help  show this help message and exit\n"
"\n"
"Group title:\n"
"  Group description\n"
"\n"
"  --foo FOO   foo help\n"
"  --bar BAR   bar help"
msgstr ""

#: ../../library/argparse.rst:2121
msgid ""
"Calling :meth:`add_argument_group` or :meth:`add_mutually_exclusive_group` "
"on a mutually exclusive group now raises an exception. This nesting was "
"never supported, often failed to work correctly, and was unintentionally "
"exposed through inheritance."
msgstr ""

#: ../../library/argparse.rst:2129
msgid "Parser defaults"
msgstr "パーサーのデフォルト値"

#: ../../library/argparse.rst:2133
msgid ""
"Most of the time, the attributes of the object returned by :meth:"
"`parse_args` will be fully determined by inspecting the command-line "
"arguments and the argument actions.  :meth:`set_defaults` allows some "
"additional attributes that are determined without any inspection of the "
"command line to be added::"
msgstr ""
"ほとんどの場合、 :meth:`parse_args` が返すオブジェクトの属性はコマンドライン"
"引数の内容と引数のアクションによってのみ決定されます。 :meth:`set_defaults` "
"を使うと与えられたコマンドライン引数の内容によらず追加の属性を決定することが"
"可能です::"

#: ../../library/argparse.rst:2139
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('foo', type=int)\n"
">>> parser.set_defaults(bar=42, baz='badger')\n"
">>> parser.parse_args(['736'])\n"
"Namespace(bar=42, baz='badger', foo=736)"
msgstr ""

#: ../../library/argparse.rst:2145
msgid ""
"Note that defaults can be set at both the parser level using :meth:"
"`set_defaults` and at the argument level using :meth:`add_argument`. If both "
"are called for the same argument, the last default set for an argument is "
"used::"
msgstr ""

#: ../../library/argparse.rst:2149
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', default='bar')\n"
">>> parser.set_defaults(foo='spam')\n"
">>> parser.parse_args([])\n"
"Namespace(foo='spam')"
msgstr ""

#: ../../library/argparse.rst:2155
msgid ""
"Parser-level defaults can be particularly useful when working with multiple "
"parsers.  See the :meth:`~ArgumentParser.add_subparsers` method for an "
"example of this type."
msgstr ""
"パーサーレベルの default は、複数のパーサーを扱うときに特に便利です。このタイ"
"プの例については :meth:`~ArgumentParser.add_subparsers` メソッドを参照してく"
"ださい。"

#: ../../library/argparse.rst:2161
msgid ""
"Get the default value for a namespace attribute, as set by either :meth:"
"`~ArgumentParser.add_argument` or by :meth:`~ArgumentParser.set_defaults`::"
msgstr ""
":meth:`~ArgumentParser.add_argument` か :meth:`~ArgumentParser.set_defaults` "
"によって指定された、 namespace の属性のデフォルト値を取得します::"

#: ../../library/argparse.rst:2165
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', default='badger')\n"
">>> parser.get_default('foo')\n"
"'badger'"
msgstr ""

#: ../../library/argparse.rst:2172
msgid "Printing help"
msgstr "ヘルプの表示"

#: ../../library/argparse.rst:2174
msgid ""
"In most typical applications, :meth:`~ArgumentParser.parse_args` will take "
"care of formatting and printing any usage or error messages.  However, "
"several formatting methods are available:"
msgstr ""
"ほとんどの典型的なアプリケーションでは、:meth:`~ArgumentParser.parse_args` が"
"使用法やエラーメッセージのフォーマットと表示について面倒を見ます。しかし、い"
"くつかのフォーマットメソッドが利用できます:"

#: ../../library/argparse.rst:2180
msgid ""
"Print a brief description of how the :class:`ArgumentParser` should be "
"invoked on the command line.  If *file* is ``None``, :data:`sys.stdout` is "
"assumed."
msgstr ""
":class:`ArgumentParser` がコマンドラインからどう実行されるべきかの短い説明を"
"表示します。 *file* が ``None`` の時は、 :data:`sys.stdout` に出力されます。"

#: ../../library/argparse.rst:2186
msgid ""
"Print a help message, including the program usage and information about the "
"arguments registered with the :class:`ArgumentParser`.  If *file* is "
"``None``, :data:`sys.stdout` is assumed."
msgstr ""
"プログラムの使用法と :class:`ArgumentParser` に登録された引数についての情報を"
"含むヘルプメッセージを表示します。 *file* が ``None`` の時は、 :data:`sys."
"stdout` に出力されます。"

#: ../../library/argparse.rst:2190
msgid ""
"There are also variants of these methods that simply return a string instead "
"of printing it:"
msgstr ""
"これらのメソッドの、表示する代わりにシンプルに文字列を返すバージョンもありま"
"す:"

#: ../../library/argparse.rst:2195
msgid ""
"Return a string containing a brief description of how the :class:"
"`ArgumentParser` should be invoked on the command line."
msgstr ""
":class:`ArgumentParser` がコマンドラインからどう実行されるべきかの短い説明を"
"格納した文字列を返します。"

#: ../../library/argparse.rst:2200
msgid ""
"Return a string containing a help message, including the program usage and "
"information about the arguments registered with the :class:`ArgumentParser`."
msgstr ""
"プログラムの使用法と :class:`ArgumentParser` に登録された引数についての情報を"
"含むヘルプメッセージを格納した文字列を返します。"

#: ../../library/argparse.rst:2205
msgid "Partial parsing"
msgstr "部分解析"

#: ../../library/argparse.rst:2209
msgid ""
"Sometimes a script only needs to handle a specific set of command-line "
"arguments, leaving any unrecognized arguments for another script or program. "
"In these cases, the :meth:`~ArgumentParser.parse_known_args` method can be "
"useful."
msgstr ""

#: ../../library/argparse.rst:2214
msgid ""
"This method works similarly to :meth:`~ArgumentParser.parse_args`, but it "
"does not raise an error for extra, unrecognized arguments. Instead, it "
"parses the known arguments and returns a two item tuple that contains the "
"populated namespace and the list of any unrecognized arguments."
msgstr ""

#: ../../library/argparse.rst:2221
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo', action='store_true')\n"
">>> parser.add_argument('bar')\n"
">>> parser.parse_known_args(['--foo', '--badger', 'BAR', 'spam'])\n"
"(Namespace(bar='BAR', foo=True), ['--badger', 'spam'])"
msgstr ""

#: ../../library/argparse.rst:2228
msgid ""
":ref:`Prefix matching <prefix-matching>` rules apply to :meth:"
"`~ArgumentParser.parse_known_args`. The parser may consume an option even if "
"it's just a prefix of one of its known options, instead of leaving it in the "
"remaining arguments list."
msgstr ""
":ref:`先頭文字でのマッチング <prefix-matching>` ルールは :meth:"
"`~ArgumentParser.parse_known_args` にも適用されます。たとえ既知のオプションの"
"先頭文字に過ぎない場合でも、パーサは引数リストに残さずに、オプションを受け取"
"る場合があります。"

#: ../../library/argparse.rst:2235
msgid "Customizing file parsing"
msgstr "ファイル解析のカスタマイズ"

#: ../../library/argparse.rst:2239
msgid ""
"Arguments that are read from a file (see the *fromfile_prefix_chars* keyword "
"argument to the :class:`ArgumentParser` constructor) are read one argument "
"per line. :meth:`convert_arg_line_to_args` can be overridden for fancier "
"reading."
msgstr ""
"ファイルから引数を読み込む場合 (:class:`ArgumentParser` コンストラクターの "
"*fromfile_prefix_chars* キーワード引数を参照)、1行につき1つの引数を読み込みま"
"す。 :meth:`convert_arg_line_to_args` を変更することでこの動作をカスタマイズ"
"できます。"

#: ../../library/argparse.rst:2244
msgid ""
"This method takes a single argument *arg_line* which is a string read from "
"the argument file.  It returns a list of arguments parsed from this string. "
"The method is called once per line read from the argument file, in order."
msgstr ""
"このメソッドは、引数ファイルから読まれた文字列である1つの引数 *arg_line* を受"
"け取ります。そしてその文字列を解析した結果の引数のリストを返します。このメ"
"ソッドはファイルから1行読みこむごとに、順番に呼ばれます。"

#: ../../library/argparse.rst:2248
msgid ""
"A useful override of this method is one that treats each space-separated "
"word as an argument.  The following example demonstrates how to do this::"
msgstr ""
"このメソッドをオーバーライドすると便利なこととして、スペースで区切られた行の"
"単語1つ1つを別々の引数として扱えます。次の例でその方法を示します::"

#: ../../library/argparse.rst:2251
msgid ""
"class MyArgumentParser(argparse.ArgumentParser):\n"
"    def convert_arg_line_to_args(self, arg_line):\n"
"        return arg_line.split()"
msgstr ""

#: ../../library/argparse.rst:2255
msgid ""
"Note that with this override an argument can no longer contain spaces, since "
"each space-separated word becomes a separate argument."
msgstr ""

#: ../../library/argparse.rst:2260
msgid "Exiting methods"
msgstr "終了メソッド"

#: ../../library/argparse.rst:2264
msgid ""
"This method terminates the program, exiting with the specified *status* and, "
"if given, it prints a *message* to :data:`sys.stderr` before that. The user "
"can override this method to handle these steps differently::"
msgstr ""

#: ../../library/argparse.rst:2268
msgid ""
"class ErrorCatchingArgumentParser(argparse.ArgumentParser):\n"
"    def exit(self, status=0, message=None):\n"
"        if status:\n"
"            raise Exception(f'Exiting because of an error: {message}')\n"
"        exit(status)"
msgstr ""

#: ../../library/argparse.rst:2276
msgid ""
"This method prints a usage message, including the *message*, to :data:`sys."
"stderr` and terminates the program with a status code of 2."
msgstr ""

#: ../../library/argparse.rst:2281
msgid "Intermixed parsing"
msgstr "混在した引数の解析"

#: ../../library/argparse.rst:2286
msgid ""
"A number of Unix commands allow the user to intermix optional arguments with "
"positional arguments.  The :meth:`~ArgumentParser.parse_intermixed_args` "
"and :meth:`~ArgumentParser.parse_known_intermixed_args` methods support this "
"parsing style."
msgstr ""
"多くの Unix コマンドは、オプション引数と位置引数を混在させることを許していま"
"す。 :meth:`~ArgumentParser.parse_intermixed_args` と :meth:`~ArgumentParser."
"parse_known_intermixed_args` メソッドは、このような方法での解析をサポートして"
"います。"

#: ../../library/argparse.rst:2291
msgid ""
"These parsers do not support all the :mod:`!argparse` features, and will "
"raise exceptions if unsupported features are used.  In particular, "
"subparsers, and mutually exclusive groups that include both optionals and "
"positionals are not supported."
msgstr ""

#: ../../library/argparse.rst:2296
msgid ""
"The following example shows the difference between :meth:`~ArgumentParser."
"parse_known_args` and :meth:`~ArgumentParser.parse_intermixed_args`: the "
"former returns ``['2', '3']`` as unparsed arguments, while the latter "
"collects all the positionals into ``rest``.  ::"
msgstr ""
"この例は、:meth:`~ArgumentParser.parse_known_args` と :meth:`~ArgumentParser."
"parse_intermixed_args` の違いを表しています: 前者は ``['2', '3']`` を、解析さ"
"れない引数として返し、後者は全ての位置引数を ``rest`` に入れて返しています::"

#: ../../library/argparse.rst:2302
msgid ""
">>> parser = argparse.ArgumentParser()\n"
">>> parser.add_argument('--foo')\n"
">>> parser.add_argument('cmd')\n"
">>> parser.add_argument('rest', nargs='*', type=int)\n"
">>> parser.parse_known_args('doit 1 --foo bar 2 3'.split())\n"
"(Namespace(cmd='doit', foo='bar', rest=[1]), ['2', '3'])\n"
">>> parser.parse_intermixed_args('doit 1 --foo bar 2 3'.split())\n"
"Namespace(cmd='doit', foo='bar', rest=[1, 2, 3])"
msgstr ""

#: ../../library/argparse.rst:2311
msgid ""
":meth:`~ArgumentParser.parse_known_intermixed_args` returns a two item tuple "
"containing the populated namespace and the list of remaining argument "
"strings. :meth:`~ArgumentParser.parse_intermixed_args` raises an error if "
"there are any remaining unparsed argument strings."
msgstr ""
":meth:`~ArgumentParser.parse_known_intermixed_args` は、解析した内容を含む名"
"前空間と、残りの引数を含んだリストの、2つの要素を持つタプルを返します。\n"
":meth:`~ArgumentParser.parse_intermixed_args` は、解析されない引数が残された"
"場合にはエラーを送出します。"

#: ../../library/argparse.rst:2320
msgid "Registering custom types or actions"
msgstr ""

#: ../../library/argparse.rst:2324
msgid ""
"Sometimes it's desirable to use a custom string in error messages to provide "
"more user-friendly output. In these cases, :meth:`!register` can be used to "
"register custom actions or types with a parser and allow you to reference "
"the type by their registered name instead of their callable name."
msgstr ""

#: ../../library/argparse.rst:2329
msgid ""
"The :meth:`!register` method accepts three arguments - a *registry_name*, "
"specifying the internal registry where the object will be stored (e.g., "
"``action``, ``type``), *value*, which is the key under which the object will "
"be registered, and object, the callable to be registered."
msgstr ""

#: ../../library/argparse.rst:2334
msgid ""
"The following example shows how to register a custom type with a parser::"
msgstr ""

#: ../../library/argparse.rst:2336
msgid ""
">>> import argparse\n"
">>> parser = argparse.ArgumentParser()\n"
">>> parser.register('type', 'hexadecimal integer', lambda s: int(s, 16))\n"
">>> parser.add_argument('--foo', type='hexadecimal integer')\n"
"_StoreAction(option_strings=['--foo'], dest='foo', nargs=None, const=None, "
"default=None, type='hexadecimal integer', choices=None, required=False, "
"help=None, metavar=None, deprecated=False)\n"
">>> parser.parse_args(['--foo', '0xFA'])\n"
"Namespace(foo=250)\n"
">>> parser.parse_args(['--foo', '1.2'])\n"
"usage: PROG [-h] [--foo FOO]\n"
"PROG: error: argument --foo: invalid 'hexadecimal integer' value: '1.2'"
msgstr ""

#: ../../library/argparse.rst:2348
msgid "Exceptions"
msgstr "例外"

#: ../../library/argparse.rst:2352
msgid "An error from creating or using an argument (optional or positional)."
msgstr "引数 (オプション引数または位置引数) の生成時または利用時のエラーです。"

#: ../../library/argparse.rst:2354
msgid ""
"The string value of this exception is the message, augmented with "
"information about the argument that caused it."
msgstr ""
"この例外の文字列表現は、エラーの原因となった引数についての情報を補足するメッ"
"セージです。"

#: ../../library/argparse.rst:2359
msgid ""
"Raised when something goes wrong converting a command line string to a type."
msgstr ""
"コマンドラインの文字列を、指定された型に変換するのに失敗した時に送出されま"
"す。"

#: ../../library/argparse.rst:2363
msgid "Guides and Tutorials"
msgstr "ガイドとチュートリアル"

#: ../../library/argparse.rst:913
msgid "? (question mark)"
msgstr "? (クエスチョンマーク)"

#: ../../library/argparse.rst:913 ../../library/argparse.rst:945
#: ../../library/argparse.rst:959
msgid "in argparse module"
msgstr "argparse モジュール内"

#: ../../library/argparse.rst:945
msgid "* (asterisk)"
msgstr "* (アスタリスク)"

#: ../../library/argparse.rst:959
msgid "+ (plus)"
msgstr "+ (プラス記号)"