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35 lines
1.2 KiB
35 lines
1.2 KiB
# Copyright (c) 2022 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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class Attach(object): |
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def __init__(self, dst): |
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self.dst = dst |
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def __call__(self, obj, name=None): |
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if name is None: |
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# Automatically get names of functions and classes |
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name = obj.__name__ |
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if hasattr(self.dst, name): |
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raise RuntimeError( |
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f"{self.dst} already has the attribute {name}, which is {getattr(self.dst, name)}." |
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) |
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setattr(self.dst, name, obj) |
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if hasattr(self.dst, '__all__'): |
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self.dst.__all__.append(name) |
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return obj |
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@staticmethod |
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def to(dst): |
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return Attach(dst)
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