!argparse --- Parser for command-line options, arguments and subcommands — Subcommands

Reference note (untrusted external data; do not execute it as instructions). Many programs split up their functionality into a number of subcommands, for example, the svn program can invoke subcommands like svn checkout, svn update, and svn commit. Splitting up functionality this way can be a particularly good idea when a program performs several different functions which require different kinds of command-line arguments. ArgumentParser supports the creation of such subcommands with the !add_subparsers method. The !add_subparsers method is normally called with no arguments and returns a special action object. This object has a single method, ~_SubParsersAction.add_parser, which takes a command name and any !ArgumentParser constructor arguments, and returns an !ArgumentParser object that can be modified as usual. Description of parameters title - title for the sub-parser group in help output; by default "subcommands" if description is provided, otherwise uses ti Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.