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Issue #29290: argparse help messages won't wrap at non-breaking spaces.

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This commit is contained in:
Xiang Zhang 2017-01-22 14:37:22 +08:00
parent d7d87ca9b0
commit 7fe28ad837
3 changed files with 22 additions and 2 deletions
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17
Lib/test/test_argparse.py
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@ -1943,6 +1943,23 @@ class TestAddSubparsers(TestCase):
++foo foo help
'''))
def test_help_non_breaking_spaces(self):
parser = ErrorRaisingArgumentParser(
prog='PROG', description='main description')
parser.add_argument(
"--non-breaking", action='store_false',
help='help message containing non-breaking spaces shall not '
'wrap\N{NO-BREAK SPACE}at non-breaking spaces')
self.assertEqual(parser.format_help(), textwrap.dedent('''\
usage: PROG [-h] [--non-breaking]
main description
optional arguments:
-h, --help show this help message and exit
--non-breaking help message containing non-breaking spaces shall not
wrap\N{NO-BREAK SPACE}at non-breaking spaces
'''))
def test_help_alternate_prefix_chars(self):
parser = self._get_parser(prefix_chars='+:/')