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[3.13] gh-58573: Fix conflicts between abbreviated long options in the parent parser and subparsers in argparse (GH-124631) (GH-124760)

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Check for ambiguous options if the option is consumed, not when it is
parsed.
(cherry picked from commit 3f27153e07)
This commit is contained in:
Serhiy Storchaka 2024-10-08 01:55:27 +03:00 • committed by GitHub
parent 0a046771c0
commit 6925e5b5c7
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GPG key ID: B5690EEEBB952194
3 changed files with 52 additions and 34 deletions
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22
Lib/test/test_argparse.py
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@ -2377,6 +2377,28 @@ class TestAddSubparsers(TestCase):
self.assertEqual(C.w, 7)
self.assertEqual(C.x, 'b')
def test_abbreviation(self):
parser = ErrorRaisingArgumentParser()
parser.add_argument('--foodle')
parser.add_argument('--foonly')
subparsers = parser.add_subparsers()
parser1 = subparsers.add_parser('bar')
parser1.add_argument('--fo')
parser1.add_argument('--foonew')
self.assertEqual(parser.parse_args(['--food', 'baz', 'bar']),
NS(foodle='baz', foonly=None, fo=None, foonew=None))
self.assertEqual(parser.parse_args(['--foon', 'baz', 'bar']),
NS(foodle=None, foonly='baz', fo=None, foonew=None))
self.assertArgumentParserError(parser.parse_args, ['--fo', 'baz', 'bar'])
self.assertEqual(parser.parse_args(['bar', '--fo', 'baz']),
NS(foodle=None, foonly=None, fo='baz', foonew=None))
self.assertEqual(parser.parse_args(['bar', '--foo', 'baz']),
NS(foodle=None, foonly=None, fo=None, foonew='baz'))
self.assertEqual(parser.parse_args(['bar', '--foon', 'baz']),
NS(foodle=None, foonly=None, fo=None, foonew='baz'))
self.assertArgumentParserError(parser.parse_args, ['bar', '--food', 'baz'])
def test_parse_known_args_with_single_dash_option(self):
parser = ErrorRaisingArgumentParser()
parser.add_argument('-k', '--known', action='count', default=0)