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GH-95707: Fix uses of Py_TPFLAGS_MANAGED_DICT (GH-95854)

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* Make sure that tp_dictoffset is correct with Py_TPFLAGS_MANAGED_DICT is set.

* Avoid traversing managed dict twice when subclassing class with Py_TPFLAGS_MANAGED_DICT set.
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Mark Shannon 2022-08-15 12:29:27 +01:00 • committed by GitHub
parent 4a7f5a55dc
commit 3ef3c6306d
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7 changed files with 137 additions and 25 deletions
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Lib/test/test_sys.py
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@ -1287,7 +1287,7 @@ class SizeofTest(unittest.TestCase):
def __sizeof__(self):
return int(self)
self.assertEqual(sys.getsizeof(OverflowSizeof(sys.maxsize)),
sys.maxsize + self.gc_headsize)
sys.maxsize + self.gc_headsize*2)
with self.assertRaises(OverflowError):
sys.getsizeof(OverflowSizeof(sys.maxsize + 1))
with self.assertRaises(ValueError):