bpo-38531: document extend action's added version (GH-16865)

This commit is contained in:
Batuhan Taşkaya 2019-10-20 23:13:54 +03:00 committed by Raymond Hettinger
parent c93883c6af
commit 74142078b3
1 changed files with 2 additions and 0 deletions

View File

@ -838,6 +838,8 @@ how the command-line arguments should be handled. The supplied actions are:
>>> parser.parse_args(["--foo", "f1", "--foo", "f2", "f3", "f4"])
Namespace(foo=['f1', 'f2', 'f3', 'f4'])
.. versionadded:: 3.8
You may also specify an arbitrary action by passing an Action subclass or
other object that implements the same interface. The ``BooleanOptionalAction``
is available in ``argparse`` and adds support for boolean actions such as