# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.## 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.classLayer(object):def__init__(self):self.op=Noneself.param_attr=dict()self.input=Noneself.output=Noneself.str_code=Nonedefget_code(self):ifself.str_codeisnotNone:returnself.str_codeclassFluidCode(object):def__init__(self):self.codes=list()defadd_layer(self,op,input,output,param_attr=None):