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Merged revisions 86092 via svnmerge from

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  r86092 | steven.bethard | 2010-11-01 17:29:26 +0100 (Mon, 01 Nov 2010) | 1 line

  Fix for issue 9355 where with multiple mutually exclusive arguments, some brackets were being lost in the usage messages
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This commit is contained in:
Steven Bethard 2010-11-01 16:30:24 +00:00
parent 784dd51ad2
commit 68c3678253
2 changed files with 27 additions and 2 deletions
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19
Lib/test/test_argparse.py
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@ -2174,6 +2174,25 @@ class TestMutuallyExclusiveGroupErrors(TestCase):
raises(ValueError, add_argument, 'bar', nargs=1)
raises(ValueError, add_argument, 'bar', nargs=argparse.PARSER)
def test_help(self):
parser = ErrorRaisingArgumentParser(prog='PROG')
group1 = parser.add_mutually_exclusive_group()
group1.add_argument('--foo', action='store_true')
group1.add_argument('--bar', action='store_false')
group2 = parser.add_mutually_exclusive_group()
group2.add_argument('--soup', action='store_true')
group2.add_argument('--nuts', action='store_false')
expected = '''\
usage: PROG [-h] [--foo | --bar] [--soup | --nuts]
optional arguments:
-h, --help show this help message and exit
--foo
--bar
--soup
--nuts
'''
self.assertEqual(parser.format_help(), textwrap.dedent(expected))
class MEMixin(object):