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0344c602ea
git-subtree-dir: lib/mbedtls/external/mbedtls git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
29 lines
1.0 KiB
Python
29 lines
1.0 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 OR GPL-2.0-or-later
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#
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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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