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gh-101979: argparse: fix a bug where parentheses in metavar argument of add_argument() were dropped (GH-102318)

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(cherry picked from commit 9a478be1a4)

Co-authored-by: Yeojin Kim <yeojin.dev@gmail.com>
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Miss Islington (bot) 2023-03-05 07:18:34 -08:00 • committed by GitHub
parent 63fd954100
commit e748f9e270
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3 changed files with 34 additions and 3 deletions
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22
Lib/test/test_argparse.py
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@ -3753,6 +3753,28 @@ class TestHelpUsage(HelpTestCase):
version = ''
class TestHelpUsageWithParentheses(HelpTestCase):
parser_signature = Sig(prog='PROG')
argument_signatures = [
Sig('positional', metavar='(example) positional'),
Sig('-p', '--optional', metavar='{1 (option A), 2 (option B)}'),
]
usage = '''\
usage: PROG [-h] [-p {1 (option A), 2 (option B)}] (example) positional
'''
help = usage + '''\
positional arguments:
(example) positional
options:
-h, --help show this help message and exit
-p {1 (option A), 2 (option B)}, --optional {1 (option A), 2 (option B)}
'''
version = ''
class TestHelpOnlyUserGroups(HelpTestCase):
"""Test basic usage messages"""