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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2022, Python Software Foundation
# This file is distributed under the same license as the Python package.
#
# Translators:
msgid ""
msgstr ""
"Project-Id-Version: Python 3.12\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2024-09-03 11:11+0800\n"
"PO-Revision-Date: 2018-05-23 14:38+0000\n"
"Last-Translator: Adrian Liaw <adrianliaw2000@gmail.com>\n"
"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
"tw)\n"
"Language: zh_TW\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=1; plural=0;\n"
#: ../../library/argparse.rst:2
msgid ""
":mod:`!argparse` --- Parser for command-line options, arguments and sub-"
"commands"
msgstr ""
#: ../../library/argparse.rst:12
msgid "**Source code:** :source:`Lib/argparse.py`"
msgstr "**原始碼：**\\ :source:`Lib/argparse.py`"
#: ../../library/argparse.rst:-1
msgid "Tutorial"
msgstr "教學"
#: ../../library/argparse.rst:18
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 ""
#: ../../library/argparse.rst:22
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:30
msgid "Core Functionality"
msgstr ""
#: ../../library/argparse.rst:32
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:36
msgid ""
"parser = argparse.ArgumentParser(\n"
" prog='ProgramName',\n"
" description='What the program does',\n"
" epilog='Text at the bottom of help')"
msgstr ""
#: ../../library/argparse.rst:41
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 ""
#: ../../library/argparse.rst:45
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 ""
#: ../../library/argparse.rst:50
msgid ""
"The :meth:`ArgumentParser.parse_args` method runs the parser and places the "
"extracted data in a :class:`argparse.Namespace` object::"
msgstr ""
#: ../../library/argparse.rst:53
msgid ""
"args = parser.parse_args()\n"
"print(args.filename, args.count, args.verbose)"
msgstr ""
#: ../../library/argparse.rst:58
msgid "Quick Links for add_argument()"
msgstr ""
#: ../../library/argparse.rst:61
msgid "Name"
msgstr "名稱"
#: ../../library/argparse.rst:61
msgid "Description"
msgstr "描述"
#: ../../library/argparse.rst:61
msgid "Values"
msgstr "數值"
#: ../../library/argparse.rst:63
msgid "action_"
msgstr "action_"
#: ../../library/argparse.rst:63
msgid "Specify how an argument should be handled"
msgstr ""
#: ../../library/argparse.rst:63
msgid ""
"``'store'``, ``'store_const'``, ``'store_true'``, ``'append'``, "
"``'append_const'``, ``'count'``, ``'help'``, ``'version'``"
msgstr ""
"``'store'``, ``'store_const'``, ``'store_true'``, ``'append'``, "
"``'append_const'``, ``'count'``, ``'help'``, ``'version'``"
#: ../../library/argparse.rst:64
msgid "choices_"
msgstr "choices_"
#: ../../library/argparse.rst:64
msgid "Limit values to a specific set of choices"
msgstr ""
#: ../../library/argparse.rst:64
msgid ""
"``['foo', 'bar']``, ``range(1, 10)``, or :class:`~collections.abc.Container` "
"instance"
msgstr ""
#: ../../library/argparse.rst:65
msgid "const_"
msgstr "const_"
#: ../../library/argparse.rst:65
msgid "Store a constant value"
msgstr ""
#: ../../library/argparse.rst:66
msgid "default_"
msgstr "default_"
#: ../../library/argparse.rst:66
msgid "Default value used when an argument is not provided"
msgstr ""
#: ../../library/argparse.rst:66
msgid "Defaults to ``None``"
msgstr ""
#: ../../library/argparse.rst:67
msgid "dest_"
msgstr "dest_"
#: ../../library/argparse.rst:67
msgid "Specify the attribute name used in the result namespace"
msgstr ""
#: ../../library/argparse.rst:68
msgid "help_"
msgstr "help_"
#: ../../library/argparse.rst:68
msgid "Help message for an argument"
msgstr ""
#: ../../library/argparse.rst:69
msgid "metavar_"
msgstr "metavar_"
#: ../../library/argparse.rst:69
msgid "Alternate display name for the argument as shown in help"
msgstr ""
#: ../../library/argparse.rst:70
msgid "nargs_"
msgstr "nargs_"
#: ../../library/argparse.rst:70
msgid "Number of times the argument can be used"
msgstr ""
#: ../../library/argparse.rst:70
msgid ":class:`int`, ``'?'``, ``'*'``, or ``'+'``"
msgstr ":class:`int`, ``'?'``, ``'*'``, or ``'+'``"
#: ../../library/argparse.rst:71
msgid "required_"
msgstr "required_"
#: ../../library/argparse.rst:71
msgid "Indicate whether an argument is required or optional"
msgstr ""
#: ../../library/argparse.rst:71
msgid "``True`` or ``False``"
msgstr "``True`` 或 ``False``"
#: ../../library/argparse.rst:72
msgid ":ref:`type <argparse-type>`"
msgstr ""
#: ../../library/argparse.rst:72
msgid "Automatically convert an argument to the given type"
msgstr ""
#: ../../library/argparse.rst:72
msgid ""
":class:`int`, :class:`float`, ``argparse.FileType('w')``, or callable "
"function"
msgstr ""
":class:`int`、:class:`float`、``argparse.FileType('w')`` 或可呼叫的函式"
#: ../../library/argparse.rst:77
msgid "Example"
msgstr "範例"
#: ../../library/argparse.rst:79
msgid ""
"The following code is a Python program that takes a list of integers and "
"produces either the sum or the max::"
msgstr ""
#: ../../library/argparse.rst:82
msgid ""
"import argparse\n"
"\n"
"parser = argparse.ArgumentParser(description='Process some integers.')\n"
"parser.add_argument('integers', metavar='N', type=int, nargs='+',\n"
" help='an integer for the accumulator')\n"
"parser.add_argument('--sum', dest='accumulate', action='store_const',\n"
" const=sum, default=max,\n"
" help='sum the integers (default: find the max)')\n"
"\n"
"args = parser.parse_args()\n"
"print(args.accumulate(args.integers))"
msgstr ""
"import argparse\n"
"\n"
"parser = argparse.ArgumentParser(description='Process some integers.')\n"
"parser.add_argument('integers', metavar='N', type=int, nargs='+',\n"
" help='an integer for the accumulator')\n"
"parser.add_argument('--sum', dest='accumulate', action='store_const',\n"
" const=sum, default=max,\n"
" help='sum the integers (default: find the max)')\n"
"\n"
"args = parser.parse_args()\n"
"print(args.accumulate(args.integers))"
#: ../../library/argparse.rst:94
msgid ""
"Assuming the above Python code is saved into a file called ``prog.py``, it "
"can be run at the command line and it provides useful help messages:"
msgstr ""
#: ../../library/argparse.rst:97
msgid ""
"$ python prog.py -h\n"
"usage: prog.py [-h] [--sum] N [N ...]\n"
"\n"
"Process some integers.\n"
"\n"
"positional arguments:\n"
" N an integer for the accumulator\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --sum sum the integers (default: find the max)"
msgstr ""
"$ python prog.py -h\n"
"usage: prog.py [-h] [--sum] N [N ...]\n"
"\n"
"Process some integers.\n"
"\n"
"positional arguments:\n"
" N an integer for the accumulator\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --sum sum the integers (default: find the max)"
#: ../../library/argparse.rst:111
msgid ""
"When run with the appropriate arguments, it prints either the sum or the max "
"of the command-line integers:"
msgstr ""
#: ../../library/argparse.rst:114
msgid ""
"$ python prog.py 1 2 3 4\n"
"4\n"
"\n"
"$ python prog.py 1 2 3 4 --sum\n"
"10"
msgstr ""
"$ python prog.py 1 2 3 4\n"
"4\n"
"\n"
"$ python prog.py 1 2 3 4 --sum\n"
"10"
#: ../../library/argparse.rst:122
msgid "If invalid arguments are passed in, an error will be displayed:"
msgstr ""
#: ../../library/argparse.rst:124
msgid ""
"$ python prog.py a b c\n"
"usage: prog.py [-h] [--sum] N [N ...]\n"
"prog.py: error: argument N: invalid int value: 'a'"
msgstr ""
"$ python prog.py a b c\n"
"usage: prog.py [-h] [--sum] N [N ...]\n"
"prog.py: error: argument N: invalid int value: 'a'"
#: ../../library/argparse.rst:130
msgid "The following sections walk you through this example."
msgstr ""
#: ../../library/argparse.rst:134
msgid "Creating a parser"
msgstr "建立一個剖析器"
#: ../../library/argparse.rst:136
msgid ""
"The first step in using the :mod:`argparse` is creating an :class:"
"`ArgumentParser` object::"
msgstr ""
#: ../../library/argparse.rst:139
msgid ""
">>> parser = argparse.ArgumentParser(description='Process some integers.')"
msgstr ""
">>> parser = argparse.ArgumentParser(description='Process some integers.')"
#: ../../library/argparse.rst:141
msgid ""
"The :class:`ArgumentParser` object will hold all the information necessary "
"to parse the command line into Python data types."
msgstr ""
#: ../../library/argparse.rst:146
msgid "Adding arguments"
msgstr "增加引數"
#: ../../library/argparse.rst:148
msgid ""
"Filling an :class:`ArgumentParser` with information about program arguments "
"is done by making calls to the :meth:`~ArgumentParser.add_argument` method. "
"Generally, these calls tell the :class:`ArgumentParser` how to take the "
"strings on the command line and turn them into objects. This information is "
"stored and used when :meth:`~ArgumentParser.parse_args` is called. For "
"example::"
msgstr ""
#: ../../library/argparse.rst:154
msgid ""
">>> parser.add_argument('integers', metavar='N', type=int, nargs='+',\n"
"... help='an integer for the accumulator')\n"
">>> parser.add_argument('--sum', dest='accumulate', action='store_const',\n"
"... const=sum, default=max,\n"
"... help='sum the integers (default: find the max)')"
msgstr ""
">>> parser.add_argument('integers', metavar='N', type=int, nargs='+',\n"
"... help='an integer for the accumulator')\n"
">>> parser.add_argument('--sum', dest='accumulate', action='store_const',\n"
"... const=sum, default=max,\n"
"... help='sum the integers (default: find the max)')"
#: ../../library/argparse.rst:160
msgid ""
"Later, calling :meth:`~ArgumentParser.parse_args` will return an object with "
"two attributes, ``integers`` and ``accumulate``. The ``integers`` attribute "
"will be a list of one or more integers, and the ``accumulate`` attribute "
"will be either the :func:`sum` function, if ``--sum`` was specified at the "
"command line, or the :func:`max` function if it was not."
msgstr ""
#: ../../library/argparse.rst:168
msgid "Parsing arguments"
msgstr "剖析引數"
#: ../../library/argparse.rst:170
msgid ""
":class:`ArgumentParser` parses arguments through the :meth:`~ArgumentParser."
"parse_args` method. This will inspect the command line, convert each "
"argument to the appropriate type and then invoke the appropriate action. In "
"most cases, this means a simple :class:`Namespace` object will be built up "
"from attributes parsed out of the command line::"
msgstr ""
#: ../../library/argparse.rst:176
msgid ""
">>> parser.parse_args(['--sum', '7', '-1', '42'])\n"
"Namespace(accumulate=<built-in function sum>, integers=[7, -1, 42])"
msgstr ""
">>> parser.parse_args(['--sum', '7', '-1', '42'])\n"
"Namespace(accumulate=<built-in function sum>, integers=[7, -1, 42])"
#: ../../library/argparse.rst:179
msgid ""
"In a script, :meth:`~ArgumentParser.parse_args` will typically be called "
"with no arguments, and the :class:`ArgumentParser` will automatically "
"determine the command-line arguments from :data:`sys.argv`."
msgstr ""
#: ../../library/argparse.rst:185
msgid "ArgumentParser objects"
msgstr "ArgumentParser 物件"
#: ../../library/argparse.rst:194
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 ""
#: ../../library/argparse.rst:198
msgid ""
"prog_ - The name of the program (default: ``os.path.basename(sys.argv[0])``)"
msgstr ""
#: ../../library/argparse.rst:201
msgid ""
"usage_ - The string describing the program usage (default: generated from "
"arguments added to parser)"
msgstr ""
#: ../../library/argparse.rst:204
msgid ""
"description_ - Text to display before the argument help (by default, no text)"
msgstr ""
#: ../../library/argparse.rst:207
msgid "epilog_ - Text to display after the argument help (by default, no text)"
msgstr ""
#: ../../library/argparse.rst:209
msgid ""
"parents_ - A list of :class:`ArgumentParser` objects whose arguments should "
"also be included"
msgstr ""
#: ../../library/argparse.rst:212
msgid "formatter_class_ - A class for customizing the help output"
msgstr ""
#: ../../library/argparse.rst:214
msgid ""
"prefix_chars_ - The set of characters that prefix optional arguments "
"(default: '-')"
msgstr ""
#: ../../library/argparse.rst:217
msgid ""
"fromfile_prefix_chars_ - The set of characters that prefix files from which "
"additional arguments should be read (default: ``None``)"
msgstr ""
#: ../../library/argparse.rst:220
msgid ""
"argument_default_ - The global default value for arguments (default: "
"``None``)"
msgstr ""
#: ../../library/argparse.rst:223
msgid ""
"conflict_handler_ - The strategy for resolving conflicting optionals "
"(usually unnecessary)"
msgstr ""
#: ../../library/argparse.rst:226
msgid ""
"add_help_ - Add a ``-h/--help`` option to the parser (default: ``True``)"
msgstr ""
#: ../../library/argparse.rst:228
msgid ""
"allow_abbrev_ - Allows long options to be abbreviated if the abbreviation is "
"unambiguous. (default: ``True``)"
msgstr ""
#: ../../library/argparse.rst:231
msgid ""
"exit_on_error_ - Determines whether or not ArgumentParser exits with error "
"info when an error occurs. (default: ``True``)"
msgstr ""
#: ../../library/argparse.rst:234
msgid "*allow_abbrev* parameter was added."
msgstr "新增 *allow_abbrev* 參數。"
#: ../../library/argparse.rst:237
msgid ""
"In previous versions, *allow_abbrev* also disabled grouping of short flags "
"such as ``-vv`` to mean ``-v -v``."
msgstr ""
#: ../../library/argparse.rst:241
msgid "*exit_on_error* parameter was added."
msgstr "新增 *exit_on_error* 參數。"
#: ../../library/argparse.rst:244 ../../library/argparse.rst:780
msgid "The following sections describe how each of these are used."
msgstr ""
#: ../../library/argparse.rst:250
msgid "prog"
msgstr ""
#: ../../library/argparse.rst:252
msgid ""
"By default, :class:`ArgumentParser` objects use ``sys.argv[0]`` to determine "
"how to display the name of the program in help messages. This default is "
"almost always desirable because it will make the help messages match how the "
"program was invoked on the command line. For example, consider a file named "
"``myprogram.py`` with the following code::"
msgstr ""
#: ../../library/argparse.rst:258 ../../library/argparse.rst:678
msgid ""
"import argparse\n"
"parser = argparse.ArgumentParser()\n"
"parser.add_argument('--foo', help='foo help')\n"
"args = parser.parse_args()"
msgstr ""
"import argparse\n"
"parser = argparse.ArgumentParser()\n"
"parser.add_argument('--foo', help='foo help')\n"
"args = parser.parse_args()"
#: ../../library/argparse.rst:263
msgid ""
"The help for this program will display ``myprogram.py`` as the program name "
"(regardless of where the program was invoked from):"
msgstr ""
#: ../../library/argparse.rst:266
msgid ""
"$ python myprogram.py --help\n"
"usage: myprogram.py [-h] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --foo FOO foo help\n"
"$ cd ..\n"
"$ python subdir/myprogram.py --help\n"
"usage: myprogram.py [-h] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --foo FOO foo help"
msgstr ""
"$ python myprogram.py --help\n"
"usage: myprogram.py [-h] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --foo FOO foo help\n"
"$ cd ..\n"
"$ python subdir/myprogram.py --help\n"
"usage: myprogram.py [-h] [--foo FOO]\n"
"\n"
"options:\n"
" -h, --help show this help message and exit\n"
" --foo FOO foo help"
#: ../../library/argparse.rst:282
msgid ""
"To change this default behavior, another value can be supplied using the "
"``prog=`` argument to :class:`ArgumentParser`::"
msgstr ""
#: ../../library/argparse.rst:285
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 ""
">>> 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"
#: ../../library/argparse.rst:292
msgid ""
"Note that the program name, whether determined from ``sys.argv[0]`` or from "
"the ``prog=`` argument, is available to help messages using the ``%(prog)s`` "
"format specifier."
msgstr ""
#: ../../library/argparse.rst:298
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 ""
">>> 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"
#: ../../library/argparse.rst:309
msgid "usage"
msgstr ""
#: ../../library/argparse.rst:311
msgid ""
"By default, :class:`ArgumentParser` calculates the usage message from the "
"arguments it contains::"
msgstr ""
#: ../../library/argparse.rst:314
msgid ""
">>> parser = argparse.ArgumentParser(prog='PROG')\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 [-h] [--foo [FOO]] bar [bar ...]\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 ""
">>> parser = argparse.ArgumentParser(prog='PROG')\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 [-h] [--foo [FOO]] bar [bar ...]\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"
#: ../../library/argparse.rst:327
msgid ""
"The default message can be overridden with the ``usage=`` keyword argument::"
msgstr ""
#: ../../library/argparse.rst:329
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 ""
">>> 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"
#: ../../library/argparse.rst:342
msgid ""
"The ``%(prog)s`` format specifier is available to fill in the program name "
"in your usage messages."
msgstr ""
#: ../../library/argparse.rst:349
msgid "description"
msgstr "描述"
#: ../../library/argparse.rst:351
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:357
msgid ""
">>> parser = argparse.ArgumentParser(description='A foo that bars')\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"
msgstr ""
">>> parser = argparse.ArgumentParser(description='A foo that bars')\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"
#: ../../library/argparse.rst:366
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 ""
#: ../../library/argparse.rst:371
msgid "epilog"
msgstr ""
#: ../../library/argparse.rst:373
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 ""
#: ../../library/argparse.rst:377
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 ""
">>> 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"
#: ../../library/argparse.rst:390
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 ""
#: ../../library/argparse.rst:396
msgid "parents"
msgstr ""
#: ../../library/argparse.rst:398
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 ""
#: ../../library/argparse.rst:405
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 ""
">>> 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)"
#: ../../library/argparse.rst:418
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 ""
#: ../../library/argparse.rst:423
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 ""
#: ../../library/argparse.rst:431
msgid "formatter_class"
msgstr "formatter_class"
#: ../../library/argparse.rst:433
msgid ""
":class:`ArgumentParser` objects allow the help formatting to be customized "
"by specifying an alternate formatting class. Currently, there are four such "
"classes:"
msgstr ""
#: ../../library/argparse.rst:442
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 ""
#: ../../library/argparse.rst:447
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:467
msgid ""
"Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=`` "
"indicates that description_ and epilog_ are already correctly formatted and "
"should not be line-wrapped::"
msgstr ""
#: ../../library/argparse.rst:471
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:493
msgid ""
":class:`RawTextHelpFormatter` maintains whitespace for all sorts of help "
"text, including argument descriptions. However, multiple new lines are "
"replaced with one. If you wish to preserve multiple blank lines, add spaces "
"between the newlines."
msgstr ""
#: ../../library/argparse.rst:498
msgid ""
":class:`ArgumentDefaultsHelpFormatter` automatically adds information about "
"default values to each of the argument help messages::"
msgstr ""
#: ../../library/argparse.rst:501
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 ""
">>> 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)"
#: ../../library/argparse.rst:516
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 ""
#: ../../library/argparse.rst:520
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 ""
">>> parser = argparse.ArgumentParser(\n"
"... prog='PROG',\n"
"... formatter_class=argparse.MetavarTypeHelpFormatter)\n"
">>> parser.add_argument('--foo', type=int)\n"