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tokenization_electra_fast.py
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Sun, May 5, 12:35

tokenization_electra_fast.py
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# coding=utf-8
# Copyright 2020 The Google AI Team, Stanford University and The HuggingFace Inc. team.
#
# 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.
from ..bert.tokenization_bert_fast import BertTokenizerFast
from .tokenization_electra import ElectraTokenizer
VOCAB_FILES_NAMES = {"vocab_file": "vocab.txt", "tokenizer_file": "tokenizer.json"}
PRETRAINED_VOCAB_FILES_MAP = {
"vocab_file": {
"google/electra-small-generator": "https://huggingface.co/google/electra-small-generator/resolve/main/vocab.txt",
"google/electra-base-generator": "https://huggingface.co/google/electra-base-generator/resolve/main/vocab.txt",
"google/electra-large-generator": "https://huggingface.co/google/electra-large-generator/resolve/main/vocab.txt",
"google/electra-small-discriminator": "https://huggingface.co/google/electra-small-discriminator/resolve/main/vocab.txt",
"google/electra-base-discriminator": "https://huggingface.co/google/electra-base-discriminator/resolve/main/vocab.txt",
"google/electra-large-discriminator": "https://huggingface.co/google/electra-large-discriminator/resolve/main/vocab.txt",
},
"tokenizer_file": {
"google/electra-small-generator": "https://huggingface.co/google/electra-small-generator/resolve/main/tokenizer.json",
"google/electra-base-generator": "https://huggingface.co/google/electra-base-generator/resolve/main/tokenizer.json",
"google/electra-large-generator": "https://huggingface.co/google/electra-large-generator/resolve/main/tokenizer.json",
"google/electra-small-discriminator": "https://huggingface.co/google/electra-small-discriminator/resolve/main/tokenizer.json",
"google/electra-base-discriminator": "https://huggingface.co/google/electra-base-discriminator/resolve/main/tokenizer.json",
"google/electra-large-discriminator": "https://huggingface.co/google/electra-large-discriminator/resolve/main/tokenizer.json",
},
}
PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES = {
"google/electra-small-generator": 512,
"google/electra-base-generator": 512,
"google/electra-large-generator": 512,
"google/electra-small-discriminator": 512,
"google/electra-base-discriminator": 512,
"google/electra-large-discriminator": 512,
}
PRETRAINED_INIT_CONFIGURATION = {
"google/electra-small-generator": {"do_lower_case": True},
"google/electra-base-generator": {"do_lower_case": True},
"google/electra-large-generator": {"do_lower_case": True},
"google/electra-small-discriminator": {"do_lower_case": True},
"google/electra-base-discriminator": {"do_lower_case": True},
"google/electra-large-discriminator": {"do_lower_case": True},
}
class ElectraTokenizerFast(BertTokenizerFast):
r"""
Construct a "fast" ELECTRA tokenizer (backed by HuggingFace's `tokenizers` library).
:class:`~transformers.ElectraTokenizerFast` is identical to :class:`~transformers.BertTokenizerFast` and runs
end-to-end tokenization: punctuation splitting and wordpiece.
Refer to superclass :class:`~transformers.BertTokenizerFast` for usage examples and documentation concerning
parameters.
"""
vocab_files_names = VOCAB_FILES_NAMES
pretrained_vocab_files_map = PRETRAINED_VOCAB_FILES_MAP
max_model_input_sizes = PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
pretrained_init_configuration = PRETRAINED_INIT_CONFIGURATION
slow_tokenizer_class = ElectraTokenizer

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