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authorMiss Islington (bot) <31488909+miss-islington@users.noreply.github.com>2019-10-20 20:25:25 (GMT)
committerRaymond Hettinger <rhettinger@users.noreply.github.com>2019-10-20 20:25:25 (GMT)
commitdb385229645dbaaa9863e259b2fae67b9da873fe (patch)
treefbb917213c1b76c1535b77b17b86a728aedf5438
parentc39bc5c9e8f96a8197d1ce2b70746b7189135566 (diff)
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bpo-38531: document extend action's added version (GH-16865) (GH-16868)
(cherry picked from commit 74142078b3b78fea7b4cd791e5c577c0c0964eb7) Co-authored-by: Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com>
-rw-r--r--Doc/library/argparse.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index ee005594..5a61a5b 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -810,6 +810,8 @@ 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 recommended way to do
this is to extend :class:`Action`, overriding the ``__call__`` method