chore: import upstream snapshot with attribution

2026-07-13 11:57:37 +08:00
commit e06fe8e8c6
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+<!--Copyright 2020 The HuggingFace Team. All rights reserved.
+
+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.
+
+⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
+rendered properly in your Markdown viewer.
+
+-->
+
+# Tokenizers的工具
+
+并保留格式：此页面列出了tokenizers使用的所有实用函数，主要是类
+[`~tokenization_utils_base.PreTrained TokenizerBase`] 实现了常用方法之间的
+[`PreTrained Tokenizer`] 和 [`PreTrained TokenizerFast`] 以及混合类
+[`~tokenization_utils_base.SpecialTokens Mixin`]。
+
+其中大多数只有在您研究库中tokenizers的代码时才有用。
+
+
+## PreTrainedTokenizerBase
+
+[[autodoc]] tokenization_utils_base.PreTrainedTokenizerBase
+    - __call__
+    - all
+
+
+## Enums和namedtuples(命名元组)
+
+[[autodoc]] tokenization_utils_base.TruncationStrategy
+
+[[autodoc]] tokenization_utils_base.CharSpan
+
+[[autodoc]] tokenization_utils_base.TokenSpan