forked from PulseFocusPlatform/PulseFocusPlatform
34 lines
1.3 KiB
Python
34 lines
1.3 KiB
Python
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# Copyright (c) 2020 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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from collections import namedtuple
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class ShapeSpec(
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namedtuple("_ShapeSpec", ["channels", "height", "width", "stride"])):
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"""
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A simple structure that contains basic shape specification about a tensor.
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It is often used as the auxiliary inputs/outputs of models,
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to complement the lack of shape inference ability among paddle modules.
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Attributes:
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channels:
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height:
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width:
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stride:
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"""
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def __new__(cls, channels=None, height=None, width=None, stride=None):
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return super(ShapeSpec, cls).__new__(cls, channels, height, width,
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stride)
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