transformers/docs/source/internal/tokenization_utils.rst
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Doc tokenizer (#6110)
* Start doc tokenizers

* Tokenizer documentation

* Start doc tokenizers

* Tokenizer documentation

* Formatting after rebase

* Formatting after merge

* Update docs/source/main_classes/tokenizer.rst

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

* Address comment

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Thomas Wolf <thomwolf@users.noreply.github.com>

* Address Thom's comments

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>
Co-authored-by: Thomas Wolf <thomwolf@users.noreply.github.com>
2020-07-30 14:51:19 -04:00

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Utilities for Tokenizers
------------------------
This page lists all the utility functions used by the tokenizers, mainly the class
:class:`~transformers.tokenization_utils_base.PreTrainedTokenizerBase` that implements the common methods between
:class:`~transformers.PreTrainedTokenizer` and :class:`~transformers.PreTrainedTokenizerFast` and the mixin
:class:`~transformers.tokenization_utils_base.SpecialTokensMixin`.
Most of those are only useful if you are studying the code of the tokenizers in the library.
``PreTrainedTokenizerBase``
~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. autoclass:: transformers.tokenization_utils_base.PreTrainedTokenizerBase
:special-members: __call__
:members:
``SpecialTokensMixin``
~~~~~~~~~~~~~~~~~~~~~~
.. autoclass:: transformers.tokenization_utils_base.SpecialTokensMixin
:members:
Enums and namedtuples
~~~~~~~~~~~~~~~~~~~~~
.. autoclass:: transformers.tokenization_utils_base.ExplicitEnum
.. autoclass:: transformers.tokenization_utils_base.PaddingStrategy
.. autoclass:: transformers.tokenization_utils_base.TensorType
.. autoclass:: transformers.tokenization_utils_base.TruncationStrategy
.. autoclass:: transformers.tokenization_utils_base.CharSpan
.. autoclass:: transformers.tokenization_utils_base.TokenSpan