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82b9f5ecdd
git revert v2.28.5..v2.28.6
git rebase to combine the resulting revert commits
This reverts commit 3a91dad9dc.
40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
"""Auxiliary definitions used in type annotations.
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"""
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# 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, WITHOUT
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# 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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from typing import Any
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# The typing_extensions module is necessary for type annotations that are
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# checked with mypy. It is only used for type annotations or to define
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# things that are themselves only used for type annotations. It is not
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# available on a default Python installation. Therefore, try loading
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# what we need from it for the sake of mypy (which depends on, or comes
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# with, typing_extensions), and if not define substitutes that lack the
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# static type information but are good enough at runtime.
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try:
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from typing_extensions import Protocol #pylint: disable=import-error
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except ImportError:
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class Protocol: #type: ignore
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#pylint: disable=too-few-public-methods
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pass
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class Writable(Protocol):
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"""Abstract class for typing hints."""
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# pylint: disable=no-self-use,too-few-public-methods,unused-argument
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def write(self, text: str) -> Any:
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...
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