135 lines
6.6 KiB
Python
135 lines
6.6 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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# Copyright 2019 Hugging Face inc.
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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 os
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import tempfile
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import unittest
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import paddlenlp
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from paddlenlp.transformers import AutoTokenizer
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from paddlenlp.transformers.auto.configuration import CONFIG_MAPPING, AutoConfig
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from paddlenlp.transformers.auto.tokenizer import TOKENIZER_MAPPING
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from paddlenlp.transformers.bert.configuration import BertConfig
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from paddlenlp.transformers.bert.tokenizer import BertTokenizer
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from paddlenlp.transformers.bert.tokenizer_fast import BertTokenizerFast
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from paddlenlp.utils.env import TOKENIZER_CONFIG_NAME
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from ...utils.test_module.custom_configuration import CustomConfig
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from ...utils.test_module.custom_tokenizer import CustomTokenizer
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from ...utils.test_module.custom_tokenizer_fast import (
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CustomTokenizerFast,
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CustomTokenizerFastWithoutSlow,
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)
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class AutoTokenizerTest(unittest.TestCase):
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@unittest.skip("skipping due to connection error!")
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def test_from_aistudio(self):
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tokenizer = AutoTokenizer.from_pretrained("PaddleNLP/tiny-random-bert", from_aistudio=True)
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self.assertIsInstance(tokenizer, paddlenlp.transformers.BertTokenizer)
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def test_from_pretrained_cache_dir(self):
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model_name = "__internal_testing__/tiny-random-bert"
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with tempfile.TemporaryDirectory() as tempdir:
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AutoTokenizer.from_pretrained(model_name, cache_dir=tempdir)
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self.assertTrue(os.path.exists(os.path.join(tempdir, model_name, TOKENIZER_CONFIG_NAME)))
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# check against double appending model_name in cache_dir
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self.assertFalse(os.path.exists(os.path.join(tempdir, model_name, model_name)))
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def test_from_pretrained_tokenizer_fast(self):
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tokenizer = AutoTokenizer.from_pretrained("intfloat/e5-base-v2", use_fast=True)
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self.assertIsInstance(tokenizer, BertTokenizerFast)
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def test_new_tokenizer_registration(self):
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try:
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AutoConfig.register("custom", CustomConfig)
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AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizer)
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# Trying to register something existing in the PaddleNLP library will raise an error
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with self.assertRaises(ValueError):
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AutoTokenizer.register(BertConfig, slow_tokenizer_class=BertTokenizer)
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tokenizer = CustomTokenizer.from_pretrained("julien-c/bert-xsmall-dummy")
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with tempfile.TemporaryDirectory() as tmp_dir:
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tokenizer.save_pretrained(tmp_dir)
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new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir)
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self.assertIsInstance(new_tokenizer, CustomTokenizer)
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finally:
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if "custom" in CONFIG_MAPPING._extra_content:
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del CONFIG_MAPPING._extra_content["custom"]
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if CustomConfig in TOKENIZER_MAPPING._extra_content:
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del TOKENIZER_MAPPING._extra_content[CustomConfig]
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def test_new_tokenizer_fast_registration(self):
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try:
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# Trying to register nothing
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with self.assertRaises(ValueError):
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AutoTokenizer.register(CustomConfig)
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# Trying to register tokenizer with wrong type
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with self.assertRaises(ValueError):
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AutoTokenizer.register(CustomConfig, fast_tokenizer_class=CustomTokenizer)
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with self.assertRaises(ValueError):
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AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizerFast)
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with self.assertRaises(ValueError):
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AutoTokenizer.register(
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CustomConfig,
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slow_tokenizer_class=CustomTokenizer,
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fast_tokenizer_class=CustomTokenizerFastWithoutSlow,
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)
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AutoConfig.register("custom", CustomConfig)
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# Can register in two steps
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AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizer)
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self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, None))
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AutoTokenizer.register(CustomConfig, fast_tokenizer_class=CustomTokenizerFast)
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self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, CustomTokenizerFast))
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del TOKENIZER_MAPPING._extra_content[CustomConfig]
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# Can register in one step
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AutoTokenizer.register(
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CustomConfig, slow_tokenizer_class=CustomTokenizer, fast_tokenizer_class=CustomTokenizerFast
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)
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self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, CustomTokenizerFast))
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# Trying to register something existing in the PaddleNLP library will raise an error
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with self.assertRaises(ValueError):
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AutoTokenizer.register(BertConfig, fast_tokenizer_class=BertTokenizerFast)
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with self.assertRaises(ValueError):
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AutoTokenizer.register(BertConfig, slow_tokenizer_class=BertTokenizer)
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# We pass through a llama tokenizer fast cause there is no converter slow to fast for our new toknizer
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# and that model does not have a tokenizer.json
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with tempfile.TemporaryDirectory() as tmp_dir:
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llama_tokenizer = BertTokenizerFast.from_pretrained("julien-c/bert-xsmall-dummy", from_hf_hub=True)
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llama_tokenizer.save_pretrained(tmp_dir)
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tokenizer = CustomTokenizerFast.from_pretrained(tmp_dir)
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with tempfile.TemporaryDirectory() as tmp_dir:
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tokenizer.save_pretrained(tmp_dir, legacy_format=True)
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new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir, use_fast=True)
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self.assertIsInstance(new_tokenizer, CustomTokenizerFast)
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# TODO: fix this test. Now keep loaded tokenizer type
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# new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir, use_fast=False)
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# self.assertIsInstance(new_tokenizer, CustomTokenizer)
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finally:
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if "custom" in CONFIG_MAPPING._extra_content:
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del CONFIG_MAPPING._extra_content["custom"]
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if CustomConfig in TOKENIZER_MAPPING._extra_content:
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del TOKENIZER_MAPPING._extra_content[CustomConfig]
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