wehub-resource-sync
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76 lines
2.9 KiB
Python
76 lines
2.9 KiB
Python
# Copyright 2025 The HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import tempfile
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import unittest
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from transformers import Siglip2Tokenizer
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from transformers.testing_utils import require_tokenizers
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@require_tokenizers
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class Siglip2TokenizerTest(unittest.TestCase):
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"""
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Integration test for Siglip2Tokenizer:
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- verify hub loading,
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- default lowercasing behavior,
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- save/load roundtrip.
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"""
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from_pretrained_id = "google/siglip2-base-patch16-224"
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def test_tokenizer(self):
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tokenizer = Siglip2Tokenizer.from_pretrained(self.from_pretrained_id)
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texts_uc = [
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"HELLO WORLD!",
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"Hello World!!",
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"A Picture Of Zürich",
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"San Francisco",
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"MIXED-case: TeSt 123",
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]
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texts_lc = [t.lower() for t in texts_uc]
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# default lowercasing (single + batch paths)
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for t_uc, t_lc in zip(texts_uc, texts_lc):
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with self.subTest(text=t_uc):
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enc_uc = tokenizer(t_uc, truncation=True)
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enc_lc = tokenizer(t_lc, truncation=True)
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self.assertListEqual(enc_uc["input_ids"], enc_lc["input_ids"])
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batch_uc = tokenizer(texts_uc, truncation=True)
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batch_lc = tokenizer(texts_lc, truncation=True)
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self.assertListEqual(batch_uc["input_ids"], batch_lc["input_ids"])
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# padding/truncation path (avoid relying on model_max_length)
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max_len = 64
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padded = tokenizer(texts_uc, padding="max_length", truncation=True, max_length=max_len)
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# ensure every sequence is padded/truncated to max_len
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for seq in padded["input_ids"]:
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self.assertEqual(len(seq), max_len)
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# save/load roundtrip preserves behavior
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with tempfile.TemporaryDirectory() as tmpdir:
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tokenizer.save_pretrained(tmpdir)
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tokenizer_reloaded = Siglip2Tokenizer.from_pretrained(tmpdir)
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batch_uc_2 = tokenizer_reloaded(texts_uc, truncation=True)
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batch_lc_2 = tokenizer_reloaded(texts_lc, truncation=True)
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self.assertListEqual(batch_uc_2["input_ids"], batch_lc_2["input_ids"])
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self.assertListEqual(batch_uc["input_ids"], batch_uc_2["input_ids"])
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padded_2 = tokenizer_reloaded(texts_uc, padding="max_length", truncation=True, max_length=max_len)
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for seq in padded_2["input_ids"]:
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self.assertEqual(len(seq), max_len)
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