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Add warning for weights_only (#129239)

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Also changes default for `weights_only` to `None` per comment below (hence the `suppress-bc-linter` tag)

Pull Request resolved: https://github.com/pytorch/pytorch/pull/129239
Approved by: https://github.com/albanD
ghstack dependencies: #129244, #129251
This commit is contained in:
Mikayla Gawarecki
2024-06-24 18:08:27 -07:00
committed by PyTorch MergeBot
parent c5f7755e86
commit 381ce0821c
3 changed files with 37 additions and 9 deletions
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8
test/test_serialization.py
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@ -837,7 +837,6 @@ class TestBothSerialization(TestCase):
test(f_new, f_old)
self.assertTrue(len(w) == 0, msg=f"Expected no warnings but got {[str(x) for x in w]}")
class TestOldSerialization(TestCase, SerializationMixin):
# unique_key is necessary because on Python 2.7, if a warning passed to
# the warning module is the same, it is not raised again.
@ -865,7 +864,8 @@ class TestOldSerialization(TestCase, SerializationMixin):
loaded = torch.load(checkpoint)
self.assertTrue(isinstance(loaded, module.Net))
if can_retrieve_source:
self.assertEqual(len(w), 0)
self.assertEqual(len(w), 1)
self.assertEqual(w[0].category, FutureWarning)
# Replace the module with different source
fname = get_file_path_2(os.path.dirname(os.path.dirname(torch.__file__)), 'torch', 'testing',
@ -876,8 +876,8 @@ class TestOldSerialization(TestCase, SerializationMixin):
loaded = torch.load(checkpoint)
self.assertTrue(isinstance(loaded, module.Net))
if can_retrieve_source:
self.assertEqual(len(w), 1)
self.assertTrue(w[0].category, 'SourceChangeWarning')
self.assertEqual(len(w), 2)
self.assertTrue(w[1].category, 'SourceChangeWarning')
def test_serialization_container(self):
self._test_serialization_container('file', tempfile.NamedTemporaryFile)