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4ac89b67-35a9-4ecd-9e23-b284aa1be90d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,068 | supabase-export-v2 | d3e55f7c417c6139 | ``'*'``. Note that when nargs_ is ``None`` (the default) or ``'?'``, each character of the argument string will be appended to the list. Example usage::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument("--foo", action="extend", nargs="+", type=str)
>>> parser.parse_args(["--foo", "f1", "--foo", "f2", "f... | trusted_official_docs | CPython Docs | ``'*'``. Note that when nargs_ is ``None`` (the default) or ``'?'``, each character of the argument string will be appended to the list. Example usage::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument("--foo", action="extend", nargs="+", type=str)
>>> parser.parse_args(["--foo", "f1", "--foo", "f2", "f... | ``'*'``. Note that when nargs_ is ``None`` (the default) or ``'?'``, each character of the argument string will be appended to the list. Example usage::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument("--foo", action="extend", nargs="+", type=str)
>>> parser.parse_args(["--foo", "f1", "--foo", "f2", "f... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
4be5a00d-769c-4348-94d6-17b5ce932362 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,062 | supabase-export-v2 | 4cb6087aa51f321e | ``'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``::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_true')
>>> parser.add_argument('--bar', ... | trusted_official_docs | CPython Docs | ``'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``::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_true')
>>> parser.add_argument('--bar', ... | ``'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``::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_true')
>>> parser.add_argument('--bar', ... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
4c70a79d-c114-44eb-9811-481914a34386 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,064 | supabase-export-v2 | 214abb45b493c716 | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='append', default=['0'])
>>> parser.parse_args('--foo 1 --foo 2'.split())
Namespace... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='append', default=['0'])
>>> parser.parse_args('--foo 1 --foo 2'.split())
Namespace... | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='append', default=['0'])
>>> parser.parse_args('--foo 1 --foo 2'.split())
Namespace... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
4ed5d2ac-45ba-4801-8468-00ea4ef2d281 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,953 | supabase-export-v2 | 3f37114eb9de8839 | .. class:: RawDescriptionHelpFormatter RawTextHelpFormatter ArgumentDefaultsHelpFormatter MetavarTypeHelpFormatter
:class:`RawDescriptionHelpFormatter` and :class:`RawTextHelpFormatter` give
more control over how textual descriptions are displayed. By default, :class:`ArgumentParser` objects line-wrap the description_ ... | trusted_official_docs | CPython Docs | .. class:: RawDescriptionHelpFormatter RawTextHelpFormatter ArgumentDefaultsHelpFormatter MetavarTypeHelpFormatter
:class:`RawDescriptionHelpFormatter` and :class:`RawTextHelpFormatter` give
more control over how textual descriptions are displayed. By default, :class:`ArgumentParser` objects line-wrap the description_ ... | .. class:: RawDescriptionHelpFormatter RawTextHelpFormatter ArgumentDefaultsHelpFormatter MetavarTypeHelpFormatter
:class:`RawDescriptionHelpFormatter` and :class:`RawTextHelpFormatter` give
more control over how textual descriptions are displayed. By default, :class:`ArgumentParser` objects line-wrap the description_ ... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
4f14b180-e0f4-4376-8cf3-b76d70df20c4 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,967 | supabase-export-v2 | b230ce13a43b11ca | options: -h, --help show this help message and exit --foo FOO FOO! (default: 42)
: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):: | trusted_official_docs | CPython Docs | options: -h, --help show this help message and exit --foo FOO FOO! (default: 42)
: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):: | options: -h, --help show this help message and exit --foo FOO FOO! (default: 42)
: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):: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
523cf16e-d99b-428c-b45e-899b4907d005 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,124 | supabase-export-v2 | 1f320fc50ed1b13b | hyphenated(string): ... return '-'.join([word[:4] for word in string.casefold().split()]) ... >>> parser = argparse.ArgumentParser() >>> _ = parser.add_argument('short_title', type=hyphenated) >>> parser.parse_args(['"The Tale of Two Cities"']) Namespace(short_title='"the-tale-of-two-citi')
The :func:`bool` function is... | trusted_official_docs | CPython Docs | hyphenated(string): ... return '-'.join([word[:4] for word in string.casefold().split()]) ... >>> parser = argparse.ArgumentParser() >>> _ = parser.add_argument('short_title', type=hyphenated) >>> parser.parse_args(['"The Tale of Two Cities"']) Namespace(short_title='"the-tale-of-two-citi')
The :func:`bool` function is... | hyphenated(string): ... return '-'.join([word[:4] for word in string.casefold().split()]) ... >>> parser = argparse.ArgumentParser() >>> _ = parser.add_argument('short_title', type=hyphenated) >>> parser.parse_args(['"The Tale of Two Cities"']) Namespace(short_title='"the-tale-of-two-citi')
The :func:`bool` function is... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
535b1421-dd4a-4677-98ba-6a64a315f29e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,054 | supabase-export-v2 | 788139f8ff921f09 | arguments, the dest_ parameter defaults to the argument name, with underscores ``_`` replacing hyphens ``-``. The metavar_ parameter defaults to the upper-cased name. For example::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo-bar')
>>> parser.parse_args(['--foo-bar', 'FOO-BAR'])
N... | trusted_official_docs | CPython Docs | arguments, the dest_ parameter defaults to the argument name, with underscores ``_`` replacing hyphens ``-``. The metavar_ parameter defaults to the upper-cased name. For example::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo-bar')
>>> parser.parse_args(['--foo-bar', 'FOO-BAR'])
N... | arguments, the dest_ parameter defaults to the argument name, with underscores ``_`` replacing hyphens ``-``. The metavar_ parameter defaults to the upper-cased name. For example::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo-bar')
>>> parser.parse_args(['--foo-bar', 'FOO-BAR'])
N... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
580da127-b600-4b68-9201-e643d425d7cc | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,996 | supabase-export-v2 | 7e808793f74707e6 | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve')
>>> parser.add_argument('-f', '--foo', help='old foo h... | trusted_official_docs | CPython Docs | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve')
>>> parser.add_argument('-f', '--foo', help='old foo h... | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve')
>>> parser.add_argument('-f', '--foo', help='old foo h... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
589e2f73-5b87-49de-ae47-8984077242df | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,998 | supabase-export-v2 | 001fc16ed0e59d4a | options: -h, --help show this help message and exit -f FOO old foo help --foo FOO new foo help
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`` o... | trusted_official_docs | CPython Docs | options: -h, --help show this help message and exit -f FOO old foo help --foo FOO new foo help
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`` o... | options: -h, --help show this help message and exit -f FOO old foo help --foo FOO new foo help
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`` o... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
59a4e7fe-5de8-4c56-99fa-7b996e1f33c4 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,321 | supabase-export-v2 | 05f3e3b2b682f057 | :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.
.. deprecated:: 3.14
Passing prefix_chars_ to :meth:`add_argument_group`
is now deprecated. | trusted_official_docs | CPython Docs | :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.
.. deprecated:: 3.14
Passing prefix_chars_ to :meth:`add_argument_group`
is now deprecated. | :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.
.. deprecated:: 3.14
Passing prefix_chars_ to :meth:`add_argument_group`
is now deprecated. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
5a26d47e-a185-4871-bbf7-9c9916692337 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,307 | supabase-export-v2 | 1b2817c8944eb117 | 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.
.. versionchanged:: 3.4
Added the *encoding* and *errors* parameters. | trusted_official_docs | CPython Docs | 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.
.. versionchanged:: 3.4
Added the *encoding* and *errors* parameters. | 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.
.. versionchanged:: 3.4
Added the *encoding* and *errors* parameters. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
5a5c5171-159d-4d74-ad60-bafc4af76e5e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,997 | supabase-export-v2 | 5e009af2d3870fa2 | >>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve') >>> parser.add_argument('-f', '--foo', help='old foo help') >>> parser.add_argument('--foo', help='new foo help') >>> parser.print_help() usage: PROG [-h] [-f FOO] [--foo FOO]
options:
-h, --help show this help message and exit
-f FOO old f... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve') >>> parser.add_argument('-f', '--foo', help='old foo help') >>> parser.add_argument('--foo', help='new foo help') >>> parser.print_help() usage: PROG [-h] [-f FOO] [--foo FOO]
options:
-h, --help show this help message and exit
-f FOO old f... | >>> parser = argparse.ArgumentParser(prog='PROG', conflict_handler='resolve') >>> parser.add_argument('-f', '--foo', help='old foo help') >>> parser.add_argument('--foo', help='new foo help') >>> parser.print_help() usage: PROG [-h] [-f FOO] [--foo FOO]
options:
-h, --help show this help message and exit
-f FOO old f... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
5af7ff2c-92be-431e-99b1-91bdc30e9c2d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,282 | supabase-export-v2 | 92d35405af16309b | {foo,bar} additional help
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:: | trusted_official_docs | CPython Docs | {foo,bar} additional help
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:: | {foo,bar} additional help
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:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6028c337-9ad8-4f60-82f5-bd19694ace21 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,294 | supabase-export-v2 | 9f0c8968824d728c | The *aliases* argument allows providing alternative names for this sub-command. For example::
>>> parser = argparse.ArgumentParser()
>>> subparsers = parser.add_subparsers()
>>> checkout = subparsers.add_parser('checkout', aliases=['co'])
>>> checkout.add_argument('foo')
>>> parser.parse_args(['co', 'bar'])
Namesp... | trusted_official_docs | CPython Docs | The *aliases* argument allows providing alternative names for this sub-command. For example::
>>> parser = argparse.ArgumentParser()
>>> subparsers = parser.add_subparsers()
>>> checkout = subparsers.add_parser('checkout', aliases=['co'])
>>> checkout.add_argument('foo')
>>> parser.parse_args(['co', 'bar'])
Namesp... | The *aliases* argument allows providing alternative names for this sub-command. For example::
>>> parser = argparse.ArgumentParser()
>>> subparsers = parser.add_subparsers()
>>> checkout = subparsers.add_parser('checkout', aliases=['co'])
>>> checkout.add_argument('foo')
>>> parser.parse_args(['co', 'bar'])
Namesp... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
609ece37-7ed5-42a3-a4b6-f71b98f9fac0 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,047 | supabase-export-v2 | ca9a97c92e70276b | 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.
For example, an optional argument could be created like:: | trusted_official_docs | CPython Docs | 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.
For example, an optional argument could be created 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.
For example, an optional argument could be created like:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
62397421-8fe9-4764-8853-ed15e10eff43 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,378 | supabase-export-v2 | ae0b71b4f2eba770 | 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.
The following example shows the difference between
:meth:`~ArgumentParser.parse_known_args` and
:meth:`~ArgumentParser.parse_intermixed_ar... | trusted_official_docs | CPython Docs | 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.
The following example shows the difference between
:meth:`~ArgumentParser.parse_known_args` and
:meth:`~ArgumentParser.parse_intermixed_ar... | 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.
The following example shows the difference between
:meth:`~ArgumentParser.parse_known_args` and
:meth:`~ArgumentParser.parse_intermixed_ar... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
627450a1-f63d-45a6-bbb2-5491597b5b43 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,993 | supabase-export-v2 | 4f4300dce76b2692 | conflict_handler ^^^^^^^^^^^^^^^^
: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:: | trusted_official_docs | CPython Docs | conflict_handler ^^^^^^^^^^^^^^^^
: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:: | conflict_handler ^^^^^^^^^^^^^^^^
: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:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
63944048-d1cf-4224-a2d7-68c36a488791 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,171 | supabase-export-v2 | 7b3955378b63a7c0 | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('bar') >>> parser.parse_args(['XXX']) Namespace(bar='XXX')
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... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('bar') >>> parser.parse_args(['XXX']) Namespace(bar='XXX')
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... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('bar') >>> parser.parse_args(['XXX']) Namespace(bar='XXX')
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... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6513b9c7-3703-4663-80eb-37bf7ccf7061 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,900 | supabase-export-v2 | 8e39ef6173ca6257 | * prefix_chars_ - The set of characters that prefix optional arguments (default: '-')
* fromfile_prefix_chars_ - The set of characters that prefix files from
which additional arguments should be read (default: ``None``) | trusted_official_docs | CPython Docs | * prefix_chars_ - The set of characters that prefix optional arguments (default: '-')
* fromfile_prefix_chars_ - The set of characters that prefix files from
which additional arguments should be read (default: ``None``) | * prefix_chars_ - The set of characters that prefix optional arguments (default: '-')
* fromfile_prefix_chars_ - The set of characters that prefix files from
which additional arguments should be read (default: ``None``) | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
655cf5d3-2c6a-49b2-bd56-4f901577d341 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,103 | supabase-export-v2 | 2d63ee1b3cb38973 | default ^^^^^^^
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, th... | trusted_official_docs | CPython Docs | default ^^^^^^^
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, th... | default ^^^^^^^
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, th... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
65881737-babb-440d-8339-d720bd223c36 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,196 | supabase-export-v2 | 78f292df98a9da51 | 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::
>>> import argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action=argparse.BooleanOptionalA... | trusted_official_docs | CPython Docs | 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::
>>> import argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action=argparse.BooleanOptionalA... | 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::
>>> import argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action=argparse.BooleanOptionalA... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
65c32741-59dd-43f2-bbb5-8b242fa0e682 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,303 | supabase-export-v2 | fdd465afeba08660 | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--raw', type=argparse.FileType('wb', 0)) >>> parser.add_argument('out', type=argparse.FileType('w', encoding='UTF-8')) >>> parser.parse_args(['--raw', 'raw.dat', 'file.txt']) Namespace(out=<_io.TextIOWrapper name='file.txt' mode='w' encoding='UTF-8'>, raw=... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--raw', type=argparse.FileType('wb', 0)) >>> parser.add_argument('out', type=argparse.FileType('w', encoding='UTF-8')) >>> parser.parse_args(['--raw', 'raw.dat', 'file.txt']) Namespace(out=<_io.TextIOWrapper name='file.txt' mode='w' encoding='UTF-8'>, raw=... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--raw', type=argparse.FileType('wb', 0)) >>> parser.add_argument('out', type=argparse.FileType('w', encoding='UTF-8')) >>> parser.parse_args(['--raw', 'raw.dat', 'file.txt']) Namespace(out=<_io.TextIOWrapper name='file.txt' mode='w' encoding='UTF-8'>, raw=... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
660c5252-e75b-4004-9cb7-2cc4b57b1347 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,082 | supabase-export-v2 | 612ee1cb7c74b9ff | 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:
* ``N`` (an integer). ``N`` arguments from the command line will be gathered
together into a list. For example:: | trusted_official_docs | CPython Docs | 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:
* ``N`` (an integer). ``N`` arguments from the command line will be gathered
together into a list. For example:: | 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:
* ``N`` (an integer). ``N`` arguments from the command line will be gathered
together into a list. For example:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
668f52db-d4d8-484d-a294-0a7f08b5a4ba | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,009 | supabase-export-v2 | f8a5c31307de78bb | 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.
If the user would like to catch errors manually, the feature can be enabled by setting
``exit_on_error`` to ``False``:: | trusted_official_docs | CPython Docs | 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.
If the user would like to catch errors manually, the feature can be enabled by setting
``exit_on_error`` to ``False``:: | 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.
If the user would like to catch errors manually, the feature can be enabled by setting
``exit_on_error`` to ``False``:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
68362446-feb4-4b60-8bcd-9975e2de161e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,972 | supabase-export-v2 | 8a0d3c4906fe1102 | prefix_chars ^^^^^^^^^^^^
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:: | trusted_official_docs | CPython Docs | prefix_chars ^^^^^^^^^^^^
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:: | prefix_chars ^^^^^^^^^^^^
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:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
68fea55c-ae5a-4b7a-b4ed-edd87eaf66e8 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,173 | supabase-export-v2 | f47e6700e22bac3d | parser.add_argument('-q', '-quz') >>> parser.add_argument('-x', '-y') >>> parser.parse_args('-f 1 -q 2 -x 3'.split()) Namespace(foo_bar='1', quz='2', x='3') >>> parser.parse_args('--foo 1 -quz 2 -y 3'.split()) Namespace(foo_bar='1', quz='2', x='2')
``dest`` allows a custom attribute name to be provided:: | trusted_official_docs | CPython Docs | parser.add_argument('-q', '-quz') >>> parser.add_argument('-x', '-y') >>> parser.parse_args('-f 1 -q 2 -x 3'.split()) Namespace(foo_bar='1', quz='2', x='3') >>> parser.parse_args('--foo 1 -quz 2 -y 3'.split()) Namespace(foo_bar='1', quz='2', x='2')
``dest`` allows a custom attribute name to be provided:: | parser.add_argument('-q', '-quz') >>> parser.add_argument('-x', '-y') >>> parser.parse_args('-f 1 -q 2 -x 3'.split()) Namespace(foo_bar='1', quz='2', x='3') >>> parser.parse_args('--foo 1 -quz 2 -y 3'.split()) Namespace(foo_bar='1', quz='2', x='2')
``dest`` allows a custom attribute name to be provided:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6b1e220d-1d88-4784-ae19-6ef2703cd803 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,258 | supabase-export-v2 | 965be5183b5a1cad | - usage information that will be displayed with subcommand help, by default the name of the program and any positional arguments before the subparser argument
* *parser_class* - class which will be used to create sub-parser instances, by
default the class of the current parser (e.g. :class:`ArgumentParser`) | trusted_official_docs | CPython Docs | - usage information that will be displayed with subcommand help, by default the name of the program and any positional arguments before the subparser argument
* *parser_class* - class which will be used to create sub-parser instances, by
default the class of the current parser (e.g. :class:`ArgumentParser`) | - usage information that will be displayed with subcommand help, by default the name of the program and any positional arguments before the subparser argument
* *parser_class* - class which will be used to create sub-parser instances, by
default the class of the current parser (e.g. :class:`ArgumentParser`) | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6ba91ae3-0d4e-459a-a220-fa4e46da1977 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,379 | supabase-export-v2 | 89e5fe789581da7b | 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``. ::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo')
>>> ... | trusted_official_docs | CPython Docs | 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``. ::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo')
>>> ... | 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``. ::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo')
>>> ... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6c770410-78ce-4c5c-b369-c4bcc9c9fdb6 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,090 | supabase-export-v2 | ccb707c14e48eb84 | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('infile', nargs='?') >>> parser.add_argument('outfile', nargs='?') >>> parser.parse_args(['input.txt', 'output.txt']) Namespace(infile='input.txt', outfile='output.txt') >>> parser.parse_args(['input.txt']) Namespace(infile='input.txt', outfile=None) >>> pa... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('infile', nargs='?') >>> parser.add_argument('outfile', nargs='?') >>> parser.parse_args(['input.txt', 'output.txt']) Namespace(infile='input.txt', outfile='output.txt') >>> parser.parse_args(['input.txt']) Namespace(infile='input.txt', outfile=None) >>> pa... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('infile', nargs='?') >>> parser.add_argument('outfile', nargs='?') >>> parser.parse_args(['input.txt', 'output.txt']) Namespace(infile='input.txt', outfile='output.txt') >>> parser.parse_args(['input.txt']) Namespace(infile='input.txt', outfile=None) >>> pa... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6c7b1456-e3ce-42d5-944f-efe7fe9659d3 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,118 | supabase-export-v2 | 9763f24caf1b83c6 | 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.
Common built-in types and functions can be used as type converters: | trusted_official_docs | CPython Docs | 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.
Common built-in types and functions can be used as type converters: | 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.
Common built-in types and functions can be used as type converters: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6c7b1f22-897f-4c29-b586-f12ab586ce28 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,959 | supabase-export-v2 | c115684eecbb54ac | Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=`` indicates that description_ and epilog_ are already correctly formatted and should not be line-wrapped::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.RawDescriptionHelpFormatter,
... description=textwrap.deden... | trusted_official_docs | CPython Docs | Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=`` indicates that description_ and epilog_ are already correctly formatted and should not be line-wrapped::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.RawDescriptionHelpFormatter,
... description=textwrap.deden... | Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=`` indicates that description_ and epilog_ are already correctly formatted and should not be line-wrapped::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.RawDescriptionHelpFormatter,
... description=textwrap.deden... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6cce6c93-9589-4358-be2c-0e6f3edafe8a | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,077 | supabase-export-v2 | b1cabe169beeb39c | 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.
The recommended way to create a custom action is to extend :class:`Action`,
overriding the :meth:`!__call__` method and op... | trusted_official_docs | CPython Docs | 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.
The recommended way to create a custom action is to extend :class:`Action`,
overriding the :meth:`!__call__` method and op... | 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.
The recommended way to create a custom action is to extend :class:`Action`,
overriding the :meth:`!__call__` method and op... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6e1c5869-172d-41a4-b5a1-4267fb64e7c6 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,943 | supabase-export-v2 | 9a5501be529b4308 | parents ^^^^^^^
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... | trusted_official_docs | CPython Docs | parents ^^^^^^^
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... | parents ^^^^^^^
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... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6f2b3452-968f-43e7-8919-da14cd40f3ed | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,195 | supabase-export-v2 | 5d32f5114d5049fd | .. class:: BooleanOptionalAction
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:: | trusted_official_docs | CPython Docs | .. class:: BooleanOptionalAction
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:: | .. class:: BooleanOptionalAction
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:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6f35c6d9-8b4f-4da2-8c18-772efc0f3fd0 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,924 | supabase-export-v2 | 67e9af5685ef82c4 | options: -h, --help show this help message and exit --foo FOO foo of the myprogram program
.. versionchanged:: 3.14
The default ``prog`` value now reflects how ``__main__`` was actually executed,
rather than always being ``os.path.basename(sys.argv[0])``. | trusted_official_docs | CPython Docs | options: -h, --help show this help message and exit --foo FOO foo of the myprogram program
.. versionchanged:: 3.14
The default ``prog`` value now reflects how ``__main__`` was actually executed,
rather than always being ``os.path.basename(sys.argv[0])``. | options: -h, --help show this help message and exit --foo FOO foo of the myprogram program
.. versionchanged:: 3.14
The default ``prog`` value now reflects how ``__main__`` was actually executed,
rather than always being ``os.path.basename(sys.argv[0])``. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6f662a01-bdf1-4379-889d-bbd44542af94 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,193 | supabase-export-v2 | 5467d182bd2788b7 | .. method:: format_usage()
: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. | trusted_official_docs | CPython Docs | .. method:: format_usage()
: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. | .. method:: format_usage()
: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. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
6f9e0afc-538c-413d-974d-dc14a98c3658 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,032 | supabase-export-v2 | 5df7150bd18a0f27 | * `name or flags`_ - Either a name or a list of option strings, e.g. ``'foo'`` or ``'-f', '--foo'``.
* action_ - The basic type of action to be taken when this argument is
encountered at the command line. | trusted_official_docs | CPython Docs | * `name or flags`_ - Either a name or a list of option strings, e.g. ``'foo'`` or ``'-f', '--foo'``.
* action_ - The basic type of action to be taken when this argument is
encountered at the command line. | * `name or flags`_ - Either a name or a list of option strings, e.g. ``'foo'`` or ``'-f', '--foo'``.
* action_ - The basic type of action to be taken when this argument is
encountered at the command line. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
70cda275-af36-40ed-b09e-cef6baa03519 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,330 | supabase-export-v2 | 395dff936933813a | title', 'Group description') >>> exclusive_group = group.add_mutually_exclusive_group(required=True) >>> exclusive_group.add_argument('--foo', help='foo help') >>> exclusive_group.add_argument('--bar', help='bar help') >>> parser.print_help() usage: PROG [-h] (--foo FOO | --bar BAR)
options:
-h, --help show this help ... | trusted_official_docs | CPython Docs | title', 'Group description') >>> exclusive_group = group.add_mutually_exclusive_group(required=True) >>> exclusive_group.add_argument('--foo', help='foo help') >>> exclusive_group.add_argument('--bar', help='bar help') >>> parser.print_help() usage: PROG [-h] (--foo FOO | --bar BAR)
options:
-h, --help show this help ... | title', 'Group description') >>> exclusive_group = group.add_mutually_exclusive_group(required=True) >>> exclusive_group.add_argument('--foo', help='foo help') >>> exclusive_group.add_argument('--bar', help='bar help') >>> parser.print_help() usage: PROG [-h] (--foo FOO | --bar BAR)
options:
-h, --help show this help ... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
732124f6-dd87-436e-8904-7f4dacb0e110 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,076 | supabase-export-v2 | 56b0a19c1f34ab27 | >>> import argparse >>> parser = argparse.ArgumentParser(prog='PROG') >>> parser.add_argument('--version', action='version', version='%(prog)s 2.0') >>> parser.parse_args(['--version']) PROG 2.0
You may also specify an arbitrary action by passing an :class:`Action` subclass
(e.g. :class:`BooleanOptionalAction`) or othe... | trusted_official_docs | CPython Docs | >>> import argparse >>> parser = argparse.ArgumentParser(prog='PROG') >>> parser.add_argument('--version', action='version', version='%(prog)s 2.0') >>> parser.parse_args(['--version']) PROG 2.0
You may also specify an arbitrary action by passing an :class:`Action` subclass
(e.g. :class:`BooleanOptionalAction`) or othe... | >>> import argparse >>> parser = argparse.ArgumentParser(prog='PROG') >>> parser.add_argument('--version', action='version', version='%(prog)s 2.0') >>> parser.parse_args(['--version']) PROG 2.0
You may also specify an arbitrary action by passing an :class:`Action` subclass
(e.g. :class:`BooleanOptionalAction`) or othe... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7365b9a1-5aeb-4d33-b32f-1ef4fcfd30ee | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,205 | supabase-export-v2 | 0188c50e2453b8ec | 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.
* args_ - List of strings to parse. The default is taken from
:data:`sys.argv`. | trusted_official_docs | CPython Docs | 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.
* args_ - List of strings to parse. The default is taken from
:data:`sys.argv`. | 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.
* args_ - List of strings to parse. The default is taken from
:data:`sys.argv`. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7521577f-5e6c-44b0-a634-be5a187db6b6 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,136 | supabase-export-v2 | c94f11efba871d1c | Use of :class:`enum.Enum` is not recommended because it is difficult to control its appearance in usage, help, and error messages.
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... | trusted_official_docs | CPython Docs | Use of :class:`enum.Enum` is not recommended because it is difficult to control its appearance in usage, help, and error messages.
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... | Use of :class:`enum.Enum` is not recommended because it is difficult to control its appearance in usage, help, and error messages.
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... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7579fedd-4482-4a08-9bd2-d98c57f71fa8 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,148 | supabase-export-v2 | 0ad7f833366d4d93 | 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.::
>>> parser = argparse.ArgumentParser(prog='frobble')
>>> parser.add_argument('bar', nargs='?', type=i... | trusted_official_docs | CPython Docs | 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.::
>>> parser = argparse.ArgumentParser(prog='frobble')
>>> parser.add_argument('bar', nargs='?', type=i... | 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.::
>>> parser = argparse.ArgumentParser(prog='frobble')
>>> parser.add_argument('bar', nargs='?', type=i... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
75bae507-dd77-462d-aca2-cf370cd1fd8b | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,370 | supabase-export-v2 | df1c7f833bc6a004 | .. method:: ArgumentParser.exit(status=0, message=None)
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:: | trusted_official_docs | CPython Docs | .. method:: ArgumentParser.exit(status=0, message=None)
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:: | .. method:: ArgumentParser.exit(status=0, message=None)
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:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
76891751-c6a5-4e65-b4b6-8c734658ec03 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,129 | supabase-export-v2 | 2e2044c9d3a945d0 | 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.
Even :class:`~argparse.FileType` has its limitations for use with the ``type``
keyword. If one argument uses :class:`~argparse.FileType` and then a
... | trusted_official_docs | CPython Docs | 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.
Even :class:`~argparse.FileType` has its limitations for use with the ``type``
keyword. If one argument uses :class:`~argparse.FileType` and then a
... | 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.
Even :class:`~argparse.FileType` has its limitations for use with the ``type``
keyword. If one argument uses :class:`~argparse.FileType` and then a
... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
772d9cd1-5b54-4750-b7ab-fbaf536e4ac5 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,884 | supabase-export-v2 | 64dcac1c5e6412ca | 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::
parser = argparse.ArgumentParser(
prog='ProgramName',
description='What the program does',
epilog='Text at the bottom of help') | trusted_official_docs | CPython Docs | 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::
parser = argparse.ArgumentParser(
prog='ProgramName',
description='What the program does',
epilog='Text at the bottom of help') | 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::
parser = argparse.ArgumentParser(
prog='ProgramName',
description='What the program does',
epilog='Text at the bottom of help') | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7875bd23-1ea5-4ef5-aa67-51aab3ab3129 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,371 | supabase-export-v2 | 9e51b4bd1f78b4a2 | 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::
class ErrorCatchingArgumentParser(argparse.ArgumentParser):
def exit(self, status=0, message=None):
if status:
raise Exception(f'Exiting because of an e... | trusted_official_docs | CPython Docs | 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::
class ErrorCatchingArgumentParser(argparse.ArgumentParser):
def exit(self, status=0, message=None):
if status:
raise Exception(f'Exiting because of an e... | 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::
class ErrorCatchingArgumentParser(argparse.ArgumentParser):
def exit(self, status=0, message=None):
if status:
raise Exception(f'Exiting because of an e... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7a654588-2136-4839-865a-7726628f5669 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,320 | supabase-export-v2 | 61adda21bf6498d7 | Within each argument group, arguments are displayed in help output in the order in which they are added.
.. deprecated-removed:: 3.11 3.14
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... | trusted_official_docs | CPython Docs | Within each argument group, arguments are displayed in help output in the order in which they are added.
.. deprecated-removed:: 3.11 3.14
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... | Within each argument group, arguments are displayed in help output in the order in which they are added.
.. deprecated-removed:: 3.11 3.14
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... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7a7011af-8ae7-42c2-9538-e17f0cd73aa8 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,057 | supabase-export-v2 | 0dd831ae29202574 | action ^^^^^^
: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 arg... | trusted_official_docs | CPython Docs | action ^^^^^^
: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 arg... | action ^^^^^^
: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 arg... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7eebb8bb-8c29-4caa-bae8-69890eb501e9 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,958 | supabase-export-v2 | 26f6c3ad876d689f | likewise for this epilog whose whitespace will be cleaned up and whose words will be wrapped across a couple lines
Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=``
indicates that description_ and epilog_ are already correctly formatted and
should not be line-wrapped:: | trusted_official_docs | CPython Docs | likewise for this epilog whose whitespace will be cleaned up and whose words will be wrapped across a couple lines
Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=``
indicates that description_ and epilog_ are already correctly formatted and
should not be line-wrapped:: | likewise for this epilog whose whitespace will be cleaned up and whose words will be wrapped across a couple lines
Passing :class:`RawDescriptionHelpFormatter` as ``formatter_class=``
indicates that description_ and epilog_ are already correctly formatted and
should not be line-wrapped:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7ef74d9b-49f8-4fc1-b2e1-fdfed5403b6d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,313 | supabase-export-v2 | e2dfbb7cff238646 | >>> parser = argparse.ArgumentParser(prog='PROG', add_help=False) >>> group = parser.add_argument_group('group') >>> group.add_argument('--foo', help='foo help') >>> group.add_argument('bar', help='bar help') >>> parser.print_help() usage: PROG [--foo FOO] bar
group:
bar bar help
--foo FOO foo help | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser(prog='PROG', add_help=False) >>> group = parser.add_argument_group('group') >>> group.add_argument('--foo', help='foo help') >>> group.add_argument('bar', help='bar help') >>> parser.print_help() usage: PROG [--foo FOO] bar
group:
bar bar help
--foo FOO foo help | >>> parser = argparse.ArgumentParser(prog='PROG', add_help=False) >>> group = parser.add_argument_group('group') >>> group.add_argument('--foo', help='foo help') >>> group.add_argument('bar', help='bar help') >>> parser.print_help() usage: PROG [--foo FOO] bar
group:
bar bar help
--foo FOO foo help | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7f099b65-44fc-46ca-bb91-aa36e8d2a6ea | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,035 | supabase-export-v2 | 0b6f9286c5f3e0ae | * const_ - A constant value required by some action_ and nargs_ selections.
* default_ - The value produced if the argument is absent from the
command line and if it is absent from the namespace object. | trusted_official_docs | CPython Docs | * const_ - A constant value required by some action_ and nargs_ selections.
* default_ - The value produced if the argument is absent from the
command line and if it is absent from the namespace object. | * const_ - A constant value required by some action_ and nargs_ selections.
* default_ - The value produced if the argument is absent from the
command line and if it is absent from the namespace object. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
7faf6496-7f28-409f-9135-5c7273cd2e08 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,218 | supabase-export-v2 | 1d14999e4bd0056c | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argument('bar', nargs='?') | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argument('bar', nargs='?') | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argument('bar', nargs='?') | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
82c2daad-e584-41cd-9581-329277dcb614 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,215 | supabase-export-v2 | 7e8062ffe906f1fe | options can be joined together, using only a single ``-`` prefix, as long as only the last option (or none of them) requires a value::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x', action='store_true')
>>> parser.add_argument('-y', action='store_true')
>>> parser.add_argument('-z')
... | trusted_official_docs | CPython Docs | options can be joined together, using only a single ``-`` prefix, as long as only the last option (or none of them) requires a value::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x', action='store_true')
>>> parser.add_argument('-y', action='store_true')
>>> parser.add_argument('-z')
... | options can be joined together, using only a single ``-`` prefix, as long as only the last option (or none of them) requires a value::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x', action='store_true')
>>> parser.add_argument('-y', action='store_true')
>>> parser.add_argument('-z')
... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8407f1a5-8b3f-43c2-b8ee-3a06275c0581 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,338 | supabase-export-v2 | 8c85815545ba9a05 | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('foo', type=int) >>> parser.set_defaults(bar=42, baz='badger') >>> parser.parse_args(['736']) Namespace(bar=42, baz='badger', foo=736)
Note that defaults can be set at both the parser level using :meth:`set_defaults`
and at the argument level using :meth:`... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('foo', type=int) >>> parser.set_defaults(bar=42, baz='badger') >>> parser.parse_args(['736']) Namespace(bar=42, baz='badger', foo=736)
Note that defaults can be set at both the parser level using :meth:`set_defaults`
and at the argument level using :meth:`... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('foo', type=int) >>> parser.set_defaults(bar=42, baz='badger') >>> parser.parse_args(['736']) Namespace(bar=42, baz='badger', foo=736)
Note that defaults can be set at both the parser level using :meth:`set_defaults`
and at the argument level using :meth:`... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8495ec59-62e6-4e7b-9d8f-5962e68e3d60 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,060 | supabase-export-v2 | 6fb8478d05c6f71c | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_const', const=42)
>>> parser.parse_args(['--foo'])
Namespace... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_const', const=42)
>>> parser.parse_args(['--foo'])
Namespace... | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_const', const=42)
>>> parser.parse_args(['--foo'])
Namespace... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
85114791-84a3-4634-be22-60bda243be31 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,066 | supabase-export-v2 | 3409514dac0a122f | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--str', dest='types', action='append_const', const=str)
>>> parser.add_argumen... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--str', dest='types', action='append_const', const=str)
>>> parser.add_argumen... | 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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--str', dest='types', action='append_const', const=str)
>>> parser.add_argumen... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
851bea2a-0530-4a1e-ac18-18d503b79ac6 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,140 | supabase-export-v2 | 1f5d6bcb858a5599 | required ^^^^^^^^
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`:: | trusted_official_docs | CPython Docs | required ^^^^^^^^
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`:: | required ^^^^^^^^
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`:: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
873d4e3e-5aeb-440e-9e43-43cfefa14a50 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,248 | supabase-export-v2 | c33717ebfa83389c | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--foo') >>> args = parser.parse_args(['--foo', 'BAR']) >>> vars(args) {'foo': 'BAR'}
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 achiev... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--foo') >>> args = parser.parse_args(['--foo', 'BAR']) >>> vars(args) {'foo': 'BAR'}
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 achiev... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--foo') >>> args = parser.parse_args(['--foo', 'BAR']) >>> vars(args) {'foo': 'BAR'}
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 achiev... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
89347782-effc-4278-bf57-dc59124387cb | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,339 | supabase-export-v2 | f5c8d2a75df7496b | :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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', default='bar')
>>> parser.set_defaults(foo='spam')
>>> parser.parse_args([])
Nam... | trusted_official_docs | CPython Docs | :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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', default='bar')
>>> parser.set_defaults(foo='spam')
>>> parser.parse_args([])
Nam... | :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::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', default='bar')
>>> parser.set_defaults(foo='spam')
>>> parser.parse_args([])
Nam... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8a594d5a-6dae-4c74-b609-bb59a88a9df3 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,980 | supabase-export-v2 | 1d6f2a42c2de547f | .. note::
Empty lines are treated as empty strings (``''``), which are allowed as values but
not as arguments. Empty lines that are read as arguments will result in an
"unrecognized arguments" error. | trusted_official_docs | CPython Docs | .. note::
Empty lines are treated as empty strings (``''``), which are allowed as values but
not as arguments. Empty lines that are read as arguments will result in an
"unrecognized arguments" error. | .. note::
Empty lines are treated as empty strings (``''``), which are allowed as values but
not as arguments. Empty lines that are read as arguments will result in an
"unrecognized arguments" error. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8a98a260-e2e5-4094-a914-0e6b7a7a015c | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,311 | supabase-export-v2 | cd208ae04f103ca5 | .. method:: ArgumentParser.add_argument_group(title=None, description=None, *, \ [argument_default], [conflict_handler])
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 th... | trusted_official_docs | CPython Docs | .. method:: ArgumentParser.add_argument_group(title=None, description=None, *, \ [argument_default], [conflict_handler])
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 th... | .. method:: ArgumentParser.add_argument_group(title=None, description=None, *, \ [argument_default], [conflict_handler])
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 th... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8b0da2b1-f91f-46c4-a8a6-0203278bbad8 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,887 | supabase-export-v2 | 3d97e987a4878acd | parser.add_argument('filename') # positional argument parser.add_argument('-c', '--count') # option that takes a value parser.add_argument('-v', '--verbose', action='store_true') # on/off flag
The :meth:`ArgumentParser.parse_args` method runs the parser and places
the extracted data in a :class:`argparse.Namespace` obj... | trusted_official_docs | CPython Docs | parser.add_argument('filename') # positional argument parser.add_argument('-c', '--count') # option that takes a value parser.add_argument('-v', '--verbose', action='store_true') # on/off flag
The :meth:`ArgumentParser.parse_args` method runs the parser and places
the extracted data in a :class:`argparse.Namespace` obj... | parser.add_argument('filename') # positional argument parser.add_argument('-c', '--count') # option that takes a value parser.add_argument('-v', '--verbose', action='store_true') # on/off flag
The :meth:`ArgumentParser.parse_args` method runs the parser and places
the extracted data in a :class:`argparse.Namespace` obj... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8bc75e5d-44c6-4667-a7c6-49a88ea34f2c | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,109 | supabase-export-v2 | ab20c17d50d92e69 | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--length', default='10', type=int) >>> parser.add_argument('--width', default=10.5, type=int) >>> parser.parse_args() Namespace(length=10, width=10.5)
For positional arguments with nargs_ equal to ``?`` or ``*``, the ``default`` value
is used when no comma... | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--length', default='10', type=int) >>> parser.add_argument('--width', default=10.5, type=int) >>> parser.parse_args() Namespace(length=10, width=10.5)
For positional arguments with nargs_ equal to ``?`` or ``*``, the ``default`` value
is used when no comma... | >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--length', default='10', type=int) >>> parser.add_argument('--width', default=10.5, type=int) >>> parser.parse_args() Namespace(length=10, width=10.5)
For positional arguments with nargs_ equal to ``?`` or ``*``, the ``default`` value
is used when no comma... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8c44bc52-c709-455a-829e-7e504d5ff741 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,365 | supabase-export-v2 | 2f6ebd96595f9c03 | 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.
This method takes a single argument *arg_line* which is a string read from
the argument file. It returns a li... | trusted_official_docs | CPython Docs | 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.
This method takes a single argument *arg_line* which is a string read from
the argument file. It returns a li... | 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.
This method takes a single argument *arg_line* which is a string read from
the argument file. It returns a li... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8ebfbced-59f8-41a1-9a87-ace96d607b08 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,923 | supabase-export-v2 | fc3b1ce1fedbf829 | >>> parser = argparse.ArgumentParser(prog='myprogram') >>> parser.add_argument('--foo', help='foo of the %(prog)s program') >>> parser.print_help() usage: myprogram [-h] [--foo FOO]
options:
-h, --help show this help message and exit
--foo FOO foo of the myprogram program | trusted_official_docs | CPython Docs | >>> parser = argparse.ArgumentParser(prog='myprogram') >>> parser.add_argument('--foo', help='foo of the %(prog)s program') >>> parser.print_help() usage: myprogram [-h] [--foo FOO]
options:
-h, --help show this help message and exit
--foo FOO foo of the myprogram program | >>> parser = argparse.ArgumentParser(prog='myprogram') >>> parser.add_argument('--foo', help='foo of the %(prog)s program') >>> parser.print_help() usage: myprogram [-h] [--foo FOO]
options:
-h, --help show this help message and exit
--foo FOO foo of the myprogram program | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
8f849ac1-6591-415a-bbfa-3acfd444e659 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,941 | supabase-export-v2 | 323face7f1e14b9d | And that's how you'd foo a bar
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`. | trusted_official_docs | CPython Docs | And that's how you'd foo a bar
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`. | And that's how you'd foo a bar
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`. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
90321268-352d-412a-8d24-67dbeabd0d0b | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,329 | supabase-export-v2 | b24ecff24be08a2d | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> group = parser.add_argument_group('Group title', 'Group description')
>... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> group = parser.add_argument_group('Group title', 'Group description')
>... | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> group = parser.add_argument_group('Group title', 'Group description')
>... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
90d9712e-633a-4218-a2bd-d7a464b2103c | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,385 | supabase-export-v2 | adb14f8013746038 | 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.
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... | trusted_official_docs | CPython Docs | 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.
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... | 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.
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... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
91a105cc-3231-414e-8149-7cb50afe1c89 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,918 | supabase-export-v2 | af5562517126aaf5 | 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`::
>>> parser = argparse.ArgumentParser(prog='myprogram')
>>> parser.print_help()
usage: myprogram [-h] | trusted_official_docs | CPython Docs | 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`::
>>> parser = argparse.ArgumentParser(prog='myprogram')
>>> parser.print_help()
usage: myprogram [-h] | 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`::
>>> parser = argparse.ArgumentParser(prog='myprogram')
>>> parser.print_help()
usage: myprogram [-h] | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
91a45771-2cf6-479f-a6e4-f0de9d4eaa1d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,981 | supabase-export-v2 | b058523ea2faf0ce | strings (``''``), which are allowed as values but not as arguments. Empty lines that are read as arguments will result in an "unrecognized arguments" error.
:class:`ArgumentParser` uses :term:`filesystem encoding and error handler`
to read the file containing arguments. | trusted_official_docs | CPython Docs | strings (``''``), which are allowed as values but not as arguments. Empty lines that are read as arguments will result in an "unrecognized arguments" error.
:class:`ArgumentParser` uses :term:`filesystem encoding and error handler`
to read the file containing arguments. | strings (``''``), which are allowed as values but not as arguments. Empty lines that are read as arguments will result in an "unrecognized arguments" error.
:class:`ArgumentParser` uses :term:`filesystem encoding and error handler`
to read the file containing arguments. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
91bd8618-aace-4634-88fc-2eed1e189641 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,224 | supabase-export-v2 | a522f96877bcdf66 | arguments may only begin with ``-`` if they look like negative numbers and there are no options in the parser that look like negative numbers::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('foo', nargs='?') | trusted_official_docs | CPython Docs | arguments may only begin with ``-`` if they look like negative numbers and there are no options in the parser that look like negative numbers::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('foo', nargs='?') | arguments may only begin with ``-`` if they look like negative numbers and there are no options in the parser that look like negative numbers::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('foo', nargs='?') | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9202bad6-853b-4782-9b65-ced78615b82e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,226 | supabase-export-v2 | 8eefa365e1848ef5 | >>> # no negative number options, so -1 is a positional argument >>> parser.parse_args(['-x', '-1']) Namespace(foo=None, x='-1')
>>> # no negative number options, so -1 and -5 are positional arguments
>>> parser.parse_args(['-x', '-1', '-5'])
Namespace(foo='-5', x='-1') | trusted_official_docs | CPython Docs | >>> # no negative number options, so -1 is a positional argument >>> parser.parse_args(['-x', '-1']) Namespace(foo=None, x='-1')
>>> # no negative number options, so -1 and -5 are positional arguments
>>> parser.parse_args(['-x', '-1', '-5'])
Namespace(foo='-5', x='-1') | >>> # no negative number options, so -1 is a positional argument >>> parser.parse_args(['-x', '-1']) Namespace(foo=None, x='-1')
>>> # no negative number options, so -1 and -5 are positional arguments
>>> parser.parse_args(['-x', '-1', '-5'])
Namespace(foo='-5', x='-1') | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9210e657-7cc0-46af-9a88-c5be5f4d4411 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,263 | supabase-export-v2 | c62f2d1ba4f8451c | * help_ - help for sub-parser group in help output, by default ``None``
* metavar_ - string presenting available subcommands in help; by default it
is ``None`` and presents subcommands in form {cmd1, cmd2, ..} | trusted_official_docs | CPython Docs | * help_ - help for sub-parser group in help output, by default ``None``
* metavar_ - string presenting available subcommands in help; by default it
is ``None`` and presents subcommands in form {cmd1, cmd2, ..} | * help_ - help for sub-parser group in help output, by default ``None``
* metavar_ - string presenting available subcommands in help; by default it
is ``None`` and presents subcommands in form {cmd1, cmd2, ..} | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
94e8dde3-4d15-43a5-a4ba-3e5da0d87dda | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,071 | supabase-export-v2 | ece6a0a9b511ddf6 | * ``'count'`` - This counts the number of times an argument occurs. For example, this is useful for increasing verbosity levels::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--verbose', '-v', action='count', default=0)
>>> parser.parse_args(['-vvv'])
Namespace(verbose=3) | trusted_official_docs | CPython Docs | * ``'count'`` - This counts the number of times an argument occurs. For example, this is useful for increasing verbosity levels::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--verbose', '-v', action='count', default=0)
>>> parser.parse_args(['-vvv'])
Namespace(verbose=3) | * ``'count'`` - This counts the number of times an argument occurs. For example, this is useful for increasing verbosity levels::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--verbose', '-v', action='count', default=0)
>>> parser.parse_args(['-vvv'])
Namespace(verbose=3) | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
954d63bc-86ed-45b7-b6b9-eef73023863d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,994 | supabase-export-v2 | 9b96f5fcab599935 | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-f', '--foo', help='old foo help')
>>> parser.add_argument('--foo', help='new foo help')
... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-f', '--foo', help='old foo help')
>>> parser.add_argument('--foo', help='new foo help')
... | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-f', '--foo', help='old foo help')
>>> parser.add_argument('--foo', help='new foo help')
... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
959f186d-ef58-41b1-be00-ae8dc8f20785 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,053 | supabase-export-v2 | b3817b95aec58f67 | Namespace(bar='BAR', foo=None) >>> parser.parse_args(['BAR', '--foo', 'FOO']) Namespace(bar='BAR', foo='FOO') >>> parser.parse_args(['--foo', 'FOO']) usage: PROG [-h] [-f FOO] bar PROG: error: the following arguments are required: bar
By default, :mod:`!argparse` automatically handles the internal naming and
display na... | trusted_official_docs | CPython Docs | Namespace(bar='BAR', foo=None) >>> parser.parse_args(['BAR', '--foo', 'FOO']) Namespace(bar='BAR', foo='FOO') >>> parser.parse_args(['--foo', 'FOO']) usage: PROG [-h] [-f FOO] bar PROG: error: the following arguments are required: bar
By default, :mod:`!argparse` automatically handles the internal naming and
display na... | Namespace(bar='BAR', foo=None) >>> parser.parse_args(['BAR', '--foo', 'FOO']) Namespace(bar='BAR', foo='FOO') >>> parser.parse_args(['--foo', 'FOO']) usage: PROG [-h] [-f FOO] bar PROG: error: the following arguments are required: bar
By default, :mod:`!argparse` automatically handles the internal naming and
display na... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
96815055-c0ab-4080-a080-b60ee8c157bc | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,229 | supabase-export-v2 | 16d097f8a2f21f5f | >>> # negative number options present, so -1 is an option >>> parser.parse_args(['-1', 'X']) Namespace(foo=None, one='X')
>>> # negative number options present, so -2 is an option
>>> parser.parse_args(['-2'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: no such option: -2 | trusted_official_docs | CPython Docs | >>> # negative number options present, so -1 is an option >>> parser.parse_args(['-1', 'X']) Namespace(foo=None, one='X')
>>> # negative number options present, so -2 is an option
>>> parser.parse_args(['-2'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: no such option: -2 | >>> # negative number options present, so -1 is an option >>> parser.parse_args(['-1', 'X']) Namespace(foo=None, one='X')
>>> # negative number options present, so -2 is an option
>>> parser.parse_args(['-2'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: no such option: -2 | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9846dee7-8cb1-429d-b2b1-19e98e242f46 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,237 | supabase-export-v2 | 401ce7382b040489 | :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)::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-bacon')
>>> parser.add_argument('-badger')... | trusted_official_docs | CPython Docs | :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)::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-bacon')
>>> parser.add_argument('-badger')... | :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)::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-bacon')
>>> parser.add_argument('-badger')... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
99075d01-4fed-498d-aaa8-79838acc64c4 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,002 | supabase-export-v2 | 73b7110021290790 | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)
>>> parser.add_argument('--foo', help='foo help')
>>> parser.print_help()
usage: PROG [-... | trusted_official_docs | CPython Docs | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)
>>> parser.add_argument('--foo', help='foo help')
>>> parser.print_help()
usage: PROG [-... | 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`::
>>> parser = argparse.ArgumentParser(prog='PROG', add_help=False)
>>> parser.add_argument('--foo', help='foo help')
>>> parser.print_help()
usage: PROG [-... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9b021027-5141-4cc8-b84c-1acd3aae5a55 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,886 | supabase-export-v2 | 8a83f929e5ab9caa | 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::
parser.add_argument('filename') # positional argument
parser.add_argument('-c', '--count') # option that takes a value
parser.add_a... | trusted_official_docs | CPython Docs | 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::
parser.add_argument('filename') # positional argument
parser.add_argument('-c', '--count') # option that takes a value
parser.add_a... | 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::
parser.add_argument('filename') # positional argument
parser.add_argument('-c', '--count') # option that takes a value
parser.add_a... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9b503681-1119-427a-93ec-eca244606fda | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,920 | supabase-export-v2 | e378345ee5a481fd | options: -h, --help show this help message and exit
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. | trusted_official_docs | CPython Docs | options: -h, --help show this help message and exit
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. | options: -h, --help show this help message and exit
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. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9b78b6e9-c497-49df-a0c0-e7360350f3e2 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,115 | supabase-export-v2 | 7417a1bfaf9cfe5c | type ^^^^
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 t... | trusted_official_docs | CPython Docs | type ^^^^
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 t... | type ^^^^
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 t... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9cd68b8e-9de5-4e19-aa77-fec402ea0fb6 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,296 | supabase-export-v2 | 6a5226f4dc0df24d | The *deprecated* argument, if ``True``, marks the sub-command as deprecated and will issue a warning when used. For example::
>>> parser = argparse.ArgumentParser(prog='chicken.py')
>>> subparsers = parser.add_subparsers()
>>> fly = subparsers.add_parser('fly', deprecated=True)
>>> args = parser.parse_args(['fly'])
... | trusted_official_docs | CPython Docs | The *deprecated* argument, if ``True``, marks the sub-command as deprecated and will issue a warning when used. For example::
>>> parser = argparse.ArgumentParser(prog='chicken.py')
>>> subparsers = parser.add_subparsers()
>>> fly = subparsers.add_parser('fly', deprecated=True)
>>> args = parser.parse_args(['fly'])
... | The *deprecated* argument, if ``True``, marks the sub-command as deprecated and will issue a warning when used. For example::
>>> parser = argparse.ArgumentParser(prog='chicken.py')
>>> subparsers = parser.add_subparsers()
>>> fly = subparsers.add_parser('fly', deprecated=True)
>>> args = parser.parse_args(['fly'])
... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9e3fa478-9b7b-4d70-b2e8-88293d07e81e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,132 | supabase-export-v2 | 97e1a525d6360956 | choices ^^^^^^^
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 disp... | trusted_official_docs | CPython Docs | choices ^^^^^^^
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 disp... | choices ^^^^^^^
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 disp... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
9f3baeab-4487-40f5-b775-610e0625175f | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,170 | supabase-export-v2 | 868b4886bcfbdcfc | 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`::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('bar')
>>> parser.parse_a... | trusted_official_docs | CPython Docs | 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`::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('bar')
>>> parser.parse_a... | 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`::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('bar')
>>> parser.parse_a... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a0f10636-db31-47d4-b6bf-9e48065aba0c | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,231 | supabase-export-v2 | 784555cb72712ebb | negative number options present, so both -1s are options >>> parser.parse_args(['-1', '-1']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: argument -1: expected one argument
If you have positional arguments that must begin with ``-`` and don't look
like negative numbers, you can insert the pseudo-argument ``'--'`` which... | trusted_official_docs | CPython Docs | negative number options present, so both -1s are options >>> parser.parse_args(['-1', '-1']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: argument -1: expected one argument
If you have positional arguments that must begin with ``-`` and don't look
like negative numbers, you can insert the pseudo-argument ``'--'`` which... | negative number options present, so both -1s are options >>> parser.parse_args(['-1', '-1']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: argument -1: expected one argument
If you have positional arguments that must begin with ``-`` and don't look
like negative numbers, you can insert the pseudo-argument ``'--'`` which... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a1e022c9-0011-4e23-a324-d954b4820a3d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,156 | supabase-export-v2 | aab48993713ae64f | metavar ^^^^^^^
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 argum... | trusted_official_docs | CPython Docs | metavar ^^^^^^^
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 argum... | metavar ^^^^^^^
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 argum... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a21cd30c-4878-40d1-9217-9433a53b196f | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,968 | supabase-export-v2 | 936c4ef902b701e0 | 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)::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.MetavarTypeHelpFormatter)
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argume... | trusted_official_docs | CPython Docs | 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)::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.MetavarTypeHelpFormatter)
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argume... | 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)::
>>> parser = argparse.ArgumentParser(
... prog='PROG',
... formatter_class=argparse.MetavarTypeHelpFormatter)
>>> parser.add_argument('--foo', type=int)
>>> parser.add_argume... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a24a2b12-884e-4a80-99a4-896bda9dfd5d | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,976 | supabase-export-v2 | 013881c6f9576bdd | fromfile_prefix_chars ^^^^^^^^^^^^^^^^^^^^^
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 argume... | trusted_official_docs | CPython Docs | fromfile_prefix_chars ^^^^^^^^^^^^^^^^^^^^^
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 argume... | fromfile_prefix_chars ^^^^^^^^^^^^^^^^^^^^^
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 argume... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a284a9a8-b36e-4974-8ca1-d644c15eae6e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,236 | supabase-export-v2 | 243e8efb0821a5a0 | Argument abbreviations (prefix matching) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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):: | trusted_official_docs | CPython Docs | Argument abbreviations (prefix matching) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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):: | Argument abbreviations (prefix matching) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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):: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a331c115-9a2d-45d0-9405-f7f5534791e8 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,030 | supabase-export-v2 | a187e45ac549b40d | .. method:: ArgumentParser.add_argument(name or flags..., *, [action], [nargs], \ [const], [default], [type], [choices], [required], \ [help], [metavar], [dest], [deprecated])
Define how a single command-line argument should be parsed. Each parameter
has its own more detailed description below, but in short they are: | trusted_official_docs | CPython Docs | .. method:: ArgumentParser.add_argument(name or flags..., *, [action], [nargs], \ [const], [default], [type], [choices], [required], \ [help], [metavar], [dest], [deprecated])
Define how a single command-line argument should be parsed. Each parameter
has its own more detailed description below, but in short they are: | .. method:: ArgumentParser.add_argument(name or flags..., *, [action], [nargs], \ [const], [default], [type], [choices], [required], \ [help], [metavar], [dest], [deprecated])
Define how a single command-line argument should be parsed. Each parameter
has its own more detailed description below, but in short they are: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a3581abb-73d1-4beb-865d-b6d926ab333e | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,947 | supabase-export-v2 | 05312f42a845a1d4 | >>> bar_parser = argparse.ArgumentParser(parents=[parent_parser]) >>> bar_parser.add_argument('--bar') >>> bar_parser.parse_args(['--bar', 'YYY']) Namespace(bar='YYY', parent=None)
Note that most parent parsers will specify ``add_help=False``. Otherwise, the
:class:`ArgumentParser` will see two ``-h/--help`` options (o... | trusted_official_docs | CPython Docs | >>> bar_parser = argparse.ArgumentParser(parents=[parent_parser]) >>> bar_parser.add_argument('--bar') >>> bar_parser.parse_args(['--bar', 'YYY']) Namespace(bar='YYY', parent=None)
Note that most parent parsers will specify ``add_help=False``. Otherwise, the
:class:`ArgumentParser` will see two ``-h/--help`` options (o... | >>> bar_parser = argparse.ArgumentParser(parents=[parent_parser]) >>> bar_parser.add_argument('--bar') >>> bar_parser.parse_args(['--bar', 'YYY']) Namespace(bar='YYY', parent=None)
Note that most parent parsers will specify ``add_help=False``. Otherwise, the
:class:`ArgumentParser` will see two ``-h/--help`` options (o... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a47cc3cf-95ac-45cd-8605-1f5eacedcd27 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,230 | supabase-export-v2 | 8b24073f03bc142a | >>> # negative number options present, so -2 is an option >>> parser.parse_args(['-2']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: no such option: -2
>>> # negative number options present, so both -1s are options
>>> parser.parse_args(['-1', '-1'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: argument -1: expected... | trusted_official_docs | CPython Docs | >>> # negative number options present, so -2 is an option >>> parser.parse_args(['-2']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: no such option: -2
>>> # negative number options present, so both -1s are options
>>> parser.parse_args(['-1', '-1'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: argument -1: expected... | >>> # negative number options present, so -2 is an option >>> parser.parse_args(['-2']) usage: PROG [-h] [-1 ONE] [foo] PROG: error: no such option: -2
>>> # negative number options present, so both -1s are options
>>> parser.parse_args(['-1', '-1'])
usage: PROG [-h] [-1 ONE] [foo]
PROG: error: argument -1: expected... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a55e4a51-2eab-4cc5-8710-d709f09fd98b | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,184 | supabase-export-v2 | c93414d1ffc3313f | 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.
Instances of :class:`!Action` (or return value of any callable to the
``action`` parameter) should have attributes :attr:... | trusted_official_docs | CPython Docs | 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.
Instances of :class:`!Action` (or return value of any callable to the
``action`` parameter) should have attributes :attr:... | 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.
Instances of :class:`!Action` (or return value of any callable to the
``action`` parameter) should have attributes :attr:... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a5b39726-f4ab-488d-a3cf-6e8f11932599 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,209 | supabase-export-v2 | 9811a07f9ef946a9 | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('--foo')
>>> parser.parse_args(['-x', 'X'])
Namespace(foo=None, x='X')
>... | trusted_official_docs | CPython Docs | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('--foo')
>>> parser.parse_args(['-x', 'X'])
Namespace(foo=None, x='X')
>... | 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::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('--foo')
>>> parser.parse_args(['-x', 'X'])
Namespace(foo=None, x='X')
>... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a6b6b3d1-19a5-4ea8-b7a1-773dcaafabfb | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 20,986 | supabase-export-v2 | 554abe66c053041a | 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``::
>>> parser = argparse.ArgumentParser(argument_default=argparse.SUPPRESS)
... | trusted_official_docs | CPython Docs | 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``::
>>> parser = argparse.ArgumentParser(argument_default=argparse.SUPPRESS)
... | 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``::
>>> parser = argparse.ArgumentParser(argument_default=argparse.SUPPRESS)
... | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a753f907-a777-4b01-8e50-9de66c946144 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,319 | supabase-export-v2 | 3a5404c4dd6056c5 | Note that any arguments not in your user-defined groups will end up back in the usual "positional arguments" and "optional arguments" sections.
Within each argument group, arguments are displayed in help output in the
order in which they are added. | trusted_official_docs | CPython Docs | Note that any arguments not in your user-defined groups will end up back in the usual "positional arguments" and "optional arguments" sections.
Within each argument group, arguments are displayed in help output in the
order in which they are added. | Note that any arguments not in your user-defined groups will end up back in the usual "positional arguments" and "optional arguments" sections.
Within each argument group, arguments are displayed in help output in the
order in which they are added. | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
a83dd6b9-2298-4e94-bea9-0aee3c4c573b | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,023 | supabase-export-v2 | 26e806da19528adc | To highlight inline code in your description or epilog text, you can use backticks::
>>> parser = argparse.ArgumentParser(
... formatter_class=argparse.RawDescriptionHelpFormatter,
... epilog='''Examples:
... `python -m myapp --verbose`
... `python -m myapp --config settings.json`
... ''') | trusted_official_docs | CPython Docs | To highlight inline code in your description or epilog text, you can use backticks::
>>> parser = argparse.ArgumentParser(
... formatter_class=argparse.RawDescriptionHelpFormatter,
... epilog='''Examples:
... `python -m myapp --verbose`
... `python -m myapp --config settings.json`
... ''') | To highlight inline code in your description or epilog text, you can use backticks::
>>> parser = argparse.ArgumentParser(
... formatter_class=argparse.RawDescriptionHelpFormatter,
... epilog='''Examples:
... `python -m myapp --verbose`
... `python -m myapp --config settings.json`
... ''') | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
ab4e2621-2ce2-4b3c-abc9-2fee89851f98 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,081 | supabase-export-v2 | 7b683bc0b4d2d375 | nargs ^^^^^
: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: | trusted_official_docs | CPython Docs | nargs ^^^^^
: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: | nargs ^^^^^
: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: | python, official-docs, cpython, P0 | Local_Trusted_Corpus | |
abcedb45-f682-4b12-b798-eedea78067a9 | CPython Docs | file://datasets/cpython/Doc/library/argparse.rst | unknown | 001a8019-557f-4048-beb6-3b9035272f92 | 21,285 | supabase-export-v2 | b3e338c6a37c3b7c | -x 2'.split()) >>> args.func(args) 2.0 >>> >>> # parse the args and call whatever function was selected >>> args = parser.parse_args('bar XYZYX'.split()) >>> args.func(args) ((XYZYX))
This way, you can let :meth:`~ArgumentParser.parse_args` do the job of calling the
appropriate function after argument parsing is compl... | trusted_official_docs | CPython Docs | -x 2'.split()) >>> args.func(args) 2.0 >>> >>> # parse the args and call whatever function was selected >>> args = parser.parse_args('bar XYZYX'.split()) >>> args.func(args) ((XYZYX))
This way, you can let :meth:`~ArgumentParser.parse_args` do the job of calling the
appropriate function after argument parsing is compl... | -x 2'.split()) >>> args.func(args) 2.0 >>> >>> # parse the args and call whatever function was selected >>> args = parser.parse_args('bar XYZYX'.split()) >>> args.func(args) ((XYZYX))
This way, you can let :meth:`~ArgumentParser.parse_args` do the job of calling the
appropriate function after argument parsing is compl... | python, official-docs, cpython, P0 | Local_Trusted_Corpus |
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