use a invalid name for the __class__ closure for super() (closes #12370)
This prevents the assignment of __class__ in the class body from breaking
super. (Although a determined person could do locals()["@__class__"] = 4)
diff --git a/Lib/test/test_super.py b/Lib/test/test_super.py
index 914216d..298cae0 100644
--- a/Lib/test/test_super.py
+++ b/Lib/test/test_super.py
@@ -81,6 +81,16 @@
self.assertEqual(E().f(), 'AE')
+ def test___class___set(self):
+ # See issue #12370
+ class X(A):
+ def f(self):
+ return super().f()
+ __class__ = 413
+ x = X()
+ self.assertEqual(x.f(), 'A')
+ self.assertEqual(x.__class__, 413)
+
def test_main():
support.run_unittest(TestSuper)