mirror of
https://github.com/storytold/storyteller-ml.git
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56 lines
1.4 KiB
Python
56 lines
1.4 KiB
Python
# Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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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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from abc import ABC, abstractmethod
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from typing import List
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__all__ = ['TokenizerSpec']
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class TokenizerSpec(ABC):
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"""
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Inherit this class to implement a new tokenizer.
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"""
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@abstractmethod
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def text_to_tokens(self, text):
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pass
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@abstractmethod
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def tokens_to_text(self, tokens):
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pass
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@abstractmethod
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def tokens_to_ids(self, tokens):
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pass
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@abstractmethod
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def ids_to_tokens(self, ids):
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pass
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@abstractmethod
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def text_to_ids(self, text):
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pass
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@abstractmethod
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def ids_to_text(self, ids):
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pass
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def add_special_tokens(self, special_tokens: List[str]):
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raise NotImplementedError("To be implemented")
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@property
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def name(self):
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return type(self).__name__
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