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bpo-38438: Simplify argparse "star nargs" usage. (GH-17106)

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Brandt Bucher 2019-11-11 12:47:48 -08:00 • committed by Raymond Hettinger
parent 84ac437658
commit a0ed99bca8
6 changed files with 20 additions and 15 deletions
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14
Lib/test/test_argparse.py
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@ -2163,7 +2163,7 @@ class TestAddSubparsers(TestCase):
def test_subparser2_help(self):
self._test_subparser_help('5.0 2 -h', textwrap.dedent('''\
usage: PROG bar 2 [-h] [-y {1,2,3}] [z [z ...]]
usage: PROG bar 2 [-h] [-y {1,2,3}] [z ...]
2 description
@ -2697,10 +2697,10 @@ class TestMutuallyExclusiveOptionalAndPositional(MEMixin, TestCase):
]
usage_when_not_required = '''\
usage: PROG [-h] [--foo | --spam SPAM | badger [badger ...]]
usage: PROG [-h] [--foo | --spam SPAM | badger ...]
'''
usage_when_required = '''\
usage: PROG [-h] (--foo | --spam SPAM | badger [badger ...])
usage: PROG [-h] (--foo | --spam SPAM | badger ...)
'''
help = '''\
@ -3494,11 +3494,11 @@ class TestHelpUsage(HelpTestCase):
])
]
usage = '''\
usage: PROG [-h] [-w W [W ...]] [-x [X [X ...]]] [--foo | --no-foo]
usage: PROG [-h] [-w W [W ...]] [-x [X ...]] [--foo | --no-foo]
[--bar | --no-bar]
[-f | --foobar | --no-foobar | --barfoo | --no-barfoo] [-y [Y]]
[-z Z Z Z]
a b b [c] [d [d ...]] e [e ...]
a b b [c] [d ...] e [e ...]
'''
help = usage + '''\
@ -3510,7 +3510,7 @@ class TestHelpUsage(HelpTestCase):
optional arguments:
-h, --help show this help message and exit
-w W [W ...] w
-x [X [X ...]] x
-x [X ...] x
--foo, --no-foo Whether to foo
--bar, --no-bar Whether to bar (default: True)
-f, --foobar, --no-foobar, --barfoo, --no-barfoo
@ -5113,7 +5113,7 @@ class TestAddArgumentMetavar(TestCase):
self.do_test_exception(nargs="*", metavar=tuple())
def test_nargs_zeroormore_metavar_length1(self):
self.do_test_exception(nargs="*", metavar=("1",))
self.do_test_no_exception(nargs="*", metavar=("1",))
def test_nargs_zeroormore_metavar_length2(self):
self.do_test_no_exception(nargs="*", metavar=("1", "2"))