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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/argparse.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index a469554..c5882c2 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -192,6 +192,12 @@ arguments it contains. The default message can be overridden with the The ``%(prog)s`` format specifier is available to fill in the program name in your usage messages. +When a custom usage message is specified for the main parser, you may also want to +consider passing the ``prog`` argument to :meth:`~ArgumentParser.add_subparsers` +or the ``prog`` and the ``usage`` arguments to +:meth:`~_SubParsersAction.add_parser`, to ensure consistent command prefixes and +usage information across subparsers. + .. _description: @@ -1810,6 +1816,10 @@ Sub-commands .. versionchanged:: 3.7 New *required* keyword-only parameter. + .. versionchanged:: 3.14 + Subparser's *prog* is no longer affected by a custom usage message in + the main parser. + FileType objects ^^^^^^^^^^^^^^^^ |