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Diffstat (limited to 'Doc/library/argparse.rst')
| -rw-r--r-- | Doc/library/argparse.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index b2eb9ef..a1b4bd0 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -853,6 +853,8 @@ is available in ``argparse`` and adds support for boolean actions such as >>> parser.parse_args(['--no-foo']) Namespace(foo=False) +.. versionadded:: 3.9 + The recommended way to create a custom action is to extend :class:`Action`, overriding the ``__call__`` method and optionally the ``__init__`` and ``format_usage`` methods. |