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authorBarry Warsaw <barry@python.org>2012-09-12 04:12:29 (GMT)
committerBarry Warsaw <barry@python.org>2012-09-12 04:12:29 (GMT)
commit0ae066b28141ec96504f30eb2a32206896853935 (patch)
tree18b4a2b94e61172cebc4e651f8380dcca34fd3dd /Lib/test/test_argparse.py
parent8f49456b4e3afda90b5ee0469d6f7d55f5c79c82 (diff)
parent4b2f9e914d497d6b2b5ec09a03da8b6f171dffed (diff)
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- Issue #15906: Fix a regression in argparse caused by the preceding change,
when action='append', type='str' and default=[].
Diffstat (limited to 'Lib/test/test_argparse.py')
-rw-r--r--Lib/test/test_argparse.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index caf99af..ff02ee7 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -4607,6 +4607,16 @@ class TestTypeFunctionCallWithNonStringDefault(TestCase):
args = parser.parse_args([])
self.assertEqual(NS(foo='foo_converted'), args)
+ def test_issue_15906(self):
+ # Issue #15906: When action='append', type=str, default=[] are
+ # providing, the dest value was the string representation "[]" when it
+ # should have been an empty list.
+ parser = argparse.ArgumentParser()
+ parser.add_argument('--test', dest='test', type=str,
+ default=[], action='append')
+ args = parser.parse_args([])
+ self.assertEqual(args.test, [])
+
# ======================
# parse_known_args tests
# ======================