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rhettinger merged 12 commits into from
Sep 25, 2024
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GH-58058: Add quick reference for ArgumentParser to argparse docs #124227

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add quick reference for ArgumentParser
savannahostrowski Sep 18, 2024
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add quick reference for ArgumentParser
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@savannahostrowski
savannahostrowski committed Sep 18, 2024
commit 8b616934b4da16f932cbe9ca7f9640bfb26048b9
22 changes: 20 additions & 2 deletions Doc/library/argparse.rst
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Expand Up @@ -25,6 +25,25 @@ will figure out how to parse those out of :data:`sys.argv`. The :mod:`argparse`
module also automatically generates help and usage messages. The module
will also issue errors when users give the program invalid arguments.

Quick Links for :class:`ArgumentParser`
--------------------------------
========================= =========================================================================================================== ==================================================================================
Name Description Values
========================= =========================================================================================================== ==================================================================================
prog_ The name of the program Defaults to ``os.path.basename(sys.argv[0])``
usage_ The string describing the program usage
description_ A brief description of what the program does. Displayed between the usage_ and argument help
epilog_ Additional description of the program after the argument help
parents_ A list of :class:`ArgumentParser` objects whose arguments should also be included
formatter_class_ A class for customizing the help output :class:`~argparse.HelpFormatter`
prefix_chars_ The set of characters that prefix optional arguments Defaults to ``'-'``
fromfile_prefix_chars_ The set of characters that prefix files from which additional arguments should be read Defaults to ``None`` (meaning arguments will never be treated as file references)
argument_default_ The global default value for arguments
allow_abbrev_ Allows long options to be abbreviated if the abbreviation is unambiguous ``True`` or ``False`` (default: ``True``)
conflict_handler_ The strategy for resolving conflicting optionals
add_help_ Add a ``-h/--help`` option to the parser ``True`` or ``False`` (default: ``True``)
exit_on_error_ Determines whether or not to exit with error info when an error occurs ``True`` or ``False`` (default: ``True``)
========================= =============================================================================================================

Core Functionality
------------------
Expand Down Expand Up @@ -53,8 +72,7 @@ the extracted data in a :class:`argparse.Namespace` object::
args = parser.parse_args()
print(args.filename, args.count, args.verbose)


Quick Links for add_argument()
Quick Links for :meth:`add_argument`
------------------------------

============================ =========================================================== ==========================================================================================================================
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