Paddle/python/paddle/fluid/wrapped_decorator.py

# 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.

import decorator
import contextlib

__all__ = ['wrap_decorator', 'signature_safe_contextmanager']


def wrap_decorator(decorator_func):
    @decorator.decorator
    def __impl__(func, *args, **kwargs):
        wrapped_func = decorator_func(func)
        return wrapped_func(*args, **kwargs)

    return __impl__


signature_safe_contextmanager = wrap_decorator(contextlib.contextmanager)