https://github.com/python/cpython/commit/88d95c352965d92a9916bccc3b0dac65ab83c532
commit: 88d95c352965d92a9916bccc3b0dac65ab83c532
branch: 3.13
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: AlexWaygood <alex.wayg...@gmail.com>
date: 2025-04-16T15:45:29Z
summary:
[3.13] typing: Add missing test case for Protocol inheritance (GH-132597)
(#132603)
Co-authored-by: Jelle Zijlstra <jelle.zijls...@gmail.com>
files:
M Lib/test/test_typing.py
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 9dc719a27575a3..e1115809d4f390 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -2935,6 +2935,23 @@ class E(C, BP): pass
self.assertNotIsInstance(D(), E)
self.assertNotIsInstance(E(), D)
+ def test_inheritance_from_object(self):
+ # Inheritance from object is specifically allowed, unlike other
nominal classes
+ class P(Protocol, object):
+ x: int
+
+ self.assertEqual(typing.get_protocol_members(P), {'x'})
+
+ class OldGeneric(Protocol, Generic[T], object):
+ y: T
+
+ self.assertEqual(typing.get_protocol_members(OldGeneric), {'y'})
+
+ class NewGeneric[T](Protocol, object):
+ z: T
+
+ self.assertEqual(typing.get_protocol_members(NewGeneric), {'z'})
+
def test_no_instantiation(self):
class P(Protocol): pass
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