# Copyright (c) 2018 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.importcontextlibimportunittestimportnumpyasnpimportpaddle.fluidasfluidfrompaddle.fluidimportcore@contextlib.contextmanagerdefnew_program_scope():prog=fluid.Program()startup_prog=fluid.Program()scope=fluid.core.Scope()withfluid.scope_guard(scope):withfluid.program_guard(prog,startup_prog):yield