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#9351: set_defaults on subparser is no longer ignored if set on parent.

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Before, if a default was set on the parent parser, any default for that
variable set via set_defaults on a subparser would be ignored.  Now
the subparser set_defaults is honored.

Patch by Jyrki Pullianinen.
This commit is contained in:
R David Murray 2014-10-17 19:55:11 -04:00
parent 685b3495e1
commit 7570cbdc6b
3 changed files with 18 additions and 1 deletions
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7
Lib/test/test_argparse.py
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@ -2795,6 +2795,13 @@ class TestSetDefaults(TestCase):
parser = ErrorRaisingArgumentParser(parents=[parent])
self.assertEqual(NS(x='foo'), parser.parse_args([]))
def test_set_defaults_on_parent_and_subparser(self):
parser = argparse.ArgumentParser()
xparser = parser.add_subparsers().add_parser('X')
parser.set_defaults(foo=1)
xparser.set_defaults(foo=2)
self.assertEqual(NS(foo=2), parser.parse_args(['X']))
def test_set_defaults_same_as_add_argument(self):
parser = ErrorRaisingArgumentParser()
parser.set_defaults(w='W', x='X', y='Y', z='Z')