wehub-resource-sync
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
# Copyright (c) 2019 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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import contextlib
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import functools
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import inspect
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from collections.abc import Callable
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from typing import TypeVar
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from typing_extensions import ParamSpec
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_InputT = ParamSpec("_InputT")
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_RetT1 = TypeVar("_RetT1")
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_RetT2 = TypeVar("_RetT2")
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__all__ = []
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def copy_signature(
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src: Callable[_InputT, _RetT1], dst: Callable[_InputT, _RetT1]
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):
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src_signature = inspect.signature(src)
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dst.__signature__ = src_signature.replace(
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parameters=list(src_signature.parameters.values())
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)
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def wrap_decorator(
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decorator_func: Callable[
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[Callable[_InputT, _RetT1]], Callable[_InputT, _RetT2]
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],
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) -> Callable[[Callable[_InputT, _RetT1]], Callable[_InputT, _RetT2]]:
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@functools.wraps(decorator_func)
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def __impl__(func: Callable[_InputT, _RetT1]) -> Callable[_InputT, _RetT2]:
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decorated = decorator_func(func)
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@functools.wraps(func)
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def wrapper(*args: _InputT.args, **kwargs: _InputT.kwargs) -> _RetT2:
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return decorated(*args, **kwargs)
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copy_signature(func, wrapper)
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return wrapper
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return __impl__
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signature_safe_contextmanager = wrap_decorator(contextlib.contextmanager)
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