SUMIN/HuggingFace_transformer
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Load dynamic module (remote code) only once if code isn't change (#33162)

Browse Source 
* Load remote code only once

* Use hash as load indicator

* Add a new option `force_reload` for old behavior (i.e. always reload)

* Add test for dynamic module is cached

* Add more type annotations to improve code readability

* Address comments from code review
This commit is contained in:
Xuehai Pan
2024-09-06 19:49:35 +08:00
committed by GitHub
parent 1bd9d1c899
commit e1c2b69c34
6 changed files with 139 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
tests/models/auto/test_tokenization_auto.py
View File

@@ -314,6 +314,13 @@ class AutoTokenizerTest(unittest.TestCase):
tokenizer = AutoTokenizer.from_pretrained("hf-internal-testing/test_dynamic_tokenizer", trust_remote_code=True)
self.assertTrue(tokenizer.special_attribute_present)
# Test the dynamic module is loaded only once.
reloaded_tokenizer = AutoTokenizer.from_pretrained(
"hf-internal-testing/test_dynamic_tokenizer", trust_remote_code=True
)
self.assertIs(tokenizer.__class__, reloaded_tokenizer.__class__)
# Test tokenizer can be reloaded.
with tempfile.TemporaryDirectory() as tmp_dir:
tokenizer.save_pretrained(tmp_dir)
@@ -340,6 +347,18 @@ class AutoTokenizerTest(unittest.TestCase):
self.assertEqual(tokenizer.__class__.__name__, "NewTokenizer")
self.assertEqual(reloaded_tokenizer.__class__.__name__, "NewTokenizer")
# The tokenizer file is cached in the snapshot directory. So the module file is not changed after dumping
# to a temp dir. Because the revision of the module file is not changed.
# Test the dynamic module is loaded only once if the module file is not changed.
self.assertIs(tokenizer.__class__, reloaded_tokenizer.__class__)
# Test the dynamic module is reloaded if we force it.
reloaded_tokenizer = AutoTokenizer.from_pretrained(
"hf-internal-testing/test_dynamic_tokenizer", trust_remote_code=True, force_download=True
)
self.assertIsNot(tokenizer.__class__, reloaded_tokenizer.__class__)
self.assertTrue(reloaded_tokenizer.special_attribute_present)
@require_tokenizers
def test_from_pretrained_dynamic_tokenizer_conflict(self):
class NewTokenizer(BertTokenizer):