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authorRaymond Hettinger <python@rcn.com>2014-05-26 07:44:35 (GMT)
committerRaymond Hettinger <python@rcn.com>2014-05-26 07:44:35 (GMT)
commit79cae680a3c84477fdcadeed14f8392842d93c01 (patch)
tree208da89811792eb440f9914fc2cdf77fca43a5a6 /Lib
parentaa92d342f1249d3f8b5b7ca28a6efe43dd7e1eb5 (diff)
parentdea46ec9654a6412e74a6f8dfbdf97ff97516670 (diff)
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Diffstat (limited to 'Lib')
-rw-r--r--Lib/argparse.py4
-rw-r--r--Lib/test/test_argparse.py6
2 files changed, 10 insertions, 0 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py
index 5ad7e13..83878b1 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -1198,9 +1198,13 @@ class Namespace(_AttributeHolder):
setattr(self, name, kwargs[name])
def __eq__(self, other):
+ if not isinstance(other, Namespace):
+ return NotImplemented
return vars(self) == vars(other)
def __ne__(self, other):
+ if not isinstance(other, Namespace):
+ return NotImplemented
return not (self == other)
def __contains__(self, key):
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index 5c77ec8..8a4fdb9 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -4551,6 +4551,12 @@ class TestNamespace(TestCase):
self.assertTrue(ns2 != ns3)
self.assertTrue(ns2 != ns4)
+ def test_equality_returns_notimplemeted(self):
+ # See issue 21481
+ ns = argparse.Namespace(a=1, b=2)
+ self.assertIs(ns.__eq__(None), NotImplemented)
+ self.assertIs(ns.__ne__(None), NotImplemented)
+
# ===================
# File encoding tests