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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-10-06 19:14:49 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-06 19:14:49 -0700 |
| commit | 50b8d579421e621130806e62d6108f5f83d4be7f (patch) | |
| tree | 479e2d8aead0df503559528acc4349c6f33e69d8 | |
| parent | b40442ba88fec5e64ab1802ce37df0afec59fa53 (diff) | |
| download | cpython-git-50b8d579421e621130806e62d6108f5f83d4be7f.tar.gz | |
bpo-26510: Add versionchanged for required arg of add_subparsers (GH-16588)
The `required` argument to `argparse.add_subparsers` was added in GH-3027. This PR specifies the earliest version of Python where it is available.
https://bugs.python.org/issue26510
Automerge-Triggered-By: @merwok
(cherry picked from commit 9e71917e0290972f65711f75510078f799cf0b59)
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>
| -rw-r--r-- | Doc/library/argparse.rst | 5 | ||||
| -rw-r--r-- | Doc/whatsnew/3.7.rst | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index cef197f305..a2baa077cd 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -1583,7 +1583,7 @@ Sub-commands stored; by default ``None`` and no value is stored * required_ - Whether or not a subcommand must be provided, by default - ``False``. + ``False`` (added in 3.7) * help_ - help for sub-parser group in help output, by default ``None`` @@ -1739,6 +1739,9 @@ Sub-commands >>> parser.parse_args(['2', 'frobble']) Namespace(subparser_name='2', y='frobble') + .. versionchanged:: 3.7 + New *required* keyword argument. + FileType objects ^^^^^^^^^^^^^^^^ diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index 54c7b8f37d..f6476a30f8 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -2414,6 +2414,10 @@ Changes in the Python API instead of a :class:`bytes` instance. (Contributed by Victor Stinner in :issue:`21071`.) +* :mod:`argparse` subparsers can now be made mandatory by passing ``required=True`` + to :meth:`ArgumentParser.add_subparsers() <argparse.ArgumentParser.add_subparsers>`. + (Contributed by Anthony Sottile in :issue:`26510`.) + * :meth:`ast.literal_eval()` is now stricter. Addition and subtraction of arbitrary numbers are no longer allowed. (Contributed by Serhiy Storchaka in :issue:`31778`.) |