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34 lines
1.1 KiB
34 lines
1.1 KiB
# Copyright (c) 2021 PaddlePaddle Authors. 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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# TODO(karita): add this to all the transform impl.
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class TransformInterface:
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"""Transform Interface"""
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def __call__(self, x):
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raise NotImplementedError("__call__ method is not implemented")
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@classmethod
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def add_arguments(cls, parser):
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return parser
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def __repr__(self):
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return self.__class__.__name__ + "()"
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class Identity(TransformInterface):
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"""Identity Function"""
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def __call__(self, x):
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return x
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