Issue #29219: Fixed infinite recursion in the repr of uninitialized

ctypes.CDLL instances.

1 files changed, 8 insertions, 2 deletions

diff --git a/Lib/test/test_datetime.py b/Lib/test/test_datetime.py
index 2d4eb52c62..242e1bba03 100644
--- a/Lib/test/test_datetime.py
+++ b/Lib/test/test_datetime.py
@@ -23,9 +23,16 @@ test_suffixes = ["_Pure", "_Fast"]
 test_classes = []
 
 for module, suffix in zip(test_modules, test_suffixes):
+    test_classes = []
     for name, cls in module.__dict__.items():
-        if not (isinstance(cls, type) and issubclass(cls, unittest.TestCase)):
+        if not isinstance(cls, type):
             continue
+        if issubclass(cls, unittest.TestCase):
+            test_classes.append(cls)
+        elif issubclass(cls, unittest.TestSuite):
+            suit = cls()
+            test_classes.extend(type(test) for test in suit)
+    for cls in test_classes:
         cls.__name__ = name + suffix
         @classmethod
         def setUpClass(cls_, module=module):
@@ -39,7 +46,6 @@ for module, suffix in zip(test_modules, test_suffixes):
             sys.modules.update(cls_._save_sys_modules)
         cls.setUpClass = setUpClass
         cls.tearDownClass = tearDownClass
-        test_classes.append(cls)
 
 def test_main():
     run_unittest(*test_classes)