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chore: import upstream snapshot with attribution
2026-07-13 13:37:14 +08:00

135 lines
6.6 KiB
Python

# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
# Copyright 2019 Hugging Face inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import tempfile
import unittest
import paddlenlp
from paddlenlp.transformers import AutoTokenizer
from paddlenlp.transformers.auto.configuration import CONFIG_MAPPING, AutoConfig
from paddlenlp.transformers.auto.tokenizer import TOKENIZER_MAPPING
from paddlenlp.transformers.bert.configuration import BertConfig
from paddlenlp.transformers.bert.tokenizer import BertTokenizer
from paddlenlp.transformers.bert.tokenizer_fast import BertTokenizerFast
from paddlenlp.utils.env import TOKENIZER_CONFIG_NAME
from ...utils.test_module.custom_configuration import CustomConfig
from ...utils.test_module.custom_tokenizer import CustomTokenizer
from ...utils.test_module.custom_tokenizer_fast import (
CustomTokenizerFast,
CustomTokenizerFastWithoutSlow,
)
class AutoTokenizerTest(unittest.TestCase):
@unittest.skip("skipping due to connection error!")
def test_from_aistudio(self):
tokenizer = AutoTokenizer.from_pretrained("PaddleNLP/tiny-random-bert", from_aistudio=True)
self.assertIsInstance(tokenizer, paddlenlp.transformers.BertTokenizer)
def test_from_pretrained_cache_dir(self):
model_name = "__internal_testing__/tiny-random-bert"
with tempfile.TemporaryDirectory() as tempdir:
AutoTokenizer.from_pretrained(model_name, cache_dir=tempdir)
self.assertTrue(os.path.exists(os.path.join(tempdir, model_name, TOKENIZER_CONFIG_NAME)))
# check against double appending model_name in cache_dir
self.assertFalse(os.path.exists(os.path.join(tempdir, model_name, model_name)))
def test_from_pretrained_tokenizer_fast(self):
tokenizer = AutoTokenizer.from_pretrained("intfloat/e5-base-v2", use_fast=True)
self.assertIsInstance(tokenizer, BertTokenizerFast)
def test_new_tokenizer_registration(self):
try:
AutoConfig.register("custom", CustomConfig)
AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizer)
# Trying to register something existing in the PaddleNLP library will raise an error
with self.assertRaises(ValueError):
AutoTokenizer.register(BertConfig, slow_tokenizer_class=BertTokenizer)
tokenizer = CustomTokenizer.from_pretrained("julien-c/bert-xsmall-dummy")
with tempfile.TemporaryDirectory() as tmp_dir:
tokenizer.save_pretrained(tmp_dir)
new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir)
self.assertIsInstance(new_tokenizer, CustomTokenizer)
finally:
if "custom" in CONFIG_MAPPING._extra_content:
del CONFIG_MAPPING._extra_content["custom"]
if CustomConfig in TOKENIZER_MAPPING._extra_content:
del TOKENIZER_MAPPING._extra_content[CustomConfig]
def test_new_tokenizer_fast_registration(self):
try:
# Trying to register nothing
with self.assertRaises(ValueError):
AutoTokenizer.register(CustomConfig)
# Trying to register tokenizer with wrong type
with self.assertRaises(ValueError):
AutoTokenizer.register(CustomConfig, fast_tokenizer_class=CustomTokenizer)
with self.assertRaises(ValueError):
AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizerFast)
with self.assertRaises(ValueError):
AutoTokenizer.register(
CustomConfig,
slow_tokenizer_class=CustomTokenizer,
fast_tokenizer_class=CustomTokenizerFastWithoutSlow,
)
AutoConfig.register("custom", CustomConfig)
# Can register in two steps
AutoTokenizer.register(CustomConfig, slow_tokenizer_class=CustomTokenizer)
self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, None))
AutoTokenizer.register(CustomConfig, fast_tokenizer_class=CustomTokenizerFast)
self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, CustomTokenizerFast))
del TOKENIZER_MAPPING._extra_content[CustomConfig]
# Can register in one step
AutoTokenizer.register(
CustomConfig, slow_tokenizer_class=CustomTokenizer, fast_tokenizer_class=CustomTokenizerFast
)
self.assertEqual(TOKENIZER_MAPPING[CustomConfig], (CustomTokenizer, CustomTokenizerFast))
# Trying to register something existing in the PaddleNLP library will raise an error
with self.assertRaises(ValueError):
AutoTokenizer.register(BertConfig, fast_tokenizer_class=BertTokenizerFast)
with self.assertRaises(ValueError):
AutoTokenizer.register(BertConfig, slow_tokenizer_class=BertTokenizer)
# We pass through a llama tokenizer fast cause there is no converter slow to fast for our new toknizer
# and that model does not have a tokenizer.json
with tempfile.TemporaryDirectory() as tmp_dir:
llama_tokenizer = BertTokenizerFast.from_pretrained("julien-c/bert-xsmall-dummy", from_hf_hub=True)
llama_tokenizer.save_pretrained(tmp_dir)
tokenizer = CustomTokenizerFast.from_pretrained(tmp_dir)
with tempfile.TemporaryDirectory() as tmp_dir:
tokenizer.save_pretrained(tmp_dir, legacy_format=True)
new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir, use_fast=True)
self.assertIsInstance(new_tokenizer, CustomTokenizerFast)
# TODO: fix this test. Now keep loaded tokenizer type
# new_tokenizer = AutoTokenizer.from_pretrained(tmp_dir, use_fast=False)
# self.assertIsInstance(new_tokenizer, CustomTokenizer)
finally:
if "custom" in CONFIG_MAPPING._extra_content:
del CONFIG_MAPPING._extra_content["custom"]
if CustomConfig in TOKENIZER_MAPPING._extra_content:
del TOKENIZER_MAPPING._extra_content[CustomConfig]