https://github.com/python/cpython/commit/345fdce1d024f238c53bc355e90ec1c17e12ec20
commit: 345fdce1d024f238c53bc355e90ec1c17e12ec20
branch: main
author: Jelle Zijlstra <jelle.zijls...@gmail.com>
committer: JelleZijlstra <jelle.zijls...@gmail.com>
date: 2025-05-02T19:42:49-07:00
summary:
gh-133037: Add test for shadowing __annotate__ (#133084)
files:
M Lib/test/test_type_annotations.py
diff --git a/Lib/test/test_type_annotations.py
b/Lib/test/test_type_annotations.py
index b72d3dbe516974..2c886bb6d362fa 100644
--- a/Lib/test/test_type_annotations.py
+++ b/Lib/test/test_type_annotations.py
@@ -327,6 +327,25 @@ def check_annotations(self, f):
f.__annotations__ = {"z": 43}
self.assertIs(f.__annotate__, None)
+ def test_user_defined_annotate(self):
+ class X:
+ a: int
+
+ def __annotate__(format):
+ return {"a": str}
+ self.assertEqual(X.__annotate__(annotationlib.Format.VALUE), {"a":
str})
+ self.assertEqual(annotationlib.get_annotations(X), {"a": str})
+
+ mod = build_module(
+ """
+ a: int
+ def __annotate__(format):
+ return {"a": str}
+ """
+ )
+ self.assertEqual(mod.__annotate__(annotationlib.Format.VALUE), {"a":
str})
+ self.assertEqual(annotationlib.get_annotations(mod), {"a": str})
+
class DeferredEvaluationTests(unittest.TestCase):
def test_function(self):
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