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Issue #18920: argparse's default version action (for -v, --version) should

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output to stdout, matching the 'python -v'

Reported by Wolfgang Maier
This commit is contained in:
Eli Bendersky 2013-09-06 06:49:15 -07:00
parent 309836c5c8
commit cdac551675
3 changed files with 7 additions and 3 deletions
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4
Lib/test/test_argparse.py
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@ -4359,7 +4359,7 @@ class TestOptionalsHelpVersionActions(TestCase):
def test_version_format(self):
parser = ErrorRaisingArgumentParser(prog='PPP')
parser.add_argument('-v', '--version', action='version', version='%(prog)s 3.5')
msg = self._get_error(parser.parse_args, ['-v']).stderr
msg = self._get_error(parser.parse_args, ['-v']).stdout
self.assertEqual('PPP 3.5\n', msg)
def test_version_no_help(self):
@ -4372,7 +4372,7 @@ class TestOptionalsHelpVersionActions(TestCase):
def test_version_action(self):
parser = ErrorRaisingArgumentParser(prog='XXX')
parser.add_argument('-V', action='version', version='%(prog)s 3.7')
msg = self._get_error(parser.parse_args, ['-V']).stderr
msg = self._get_error(parser.parse_args, ['-V']).stdout
self.assertEqual('XXX 3.7\n', msg)
def test_no_help(self):