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50 lines
1.8 KiB
50 lines
1.8 KiB
4 years ago
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# Copyright 2020 The Meson development team
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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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# http://www.apache.org/licenses/LICENSE-2.0
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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 sys
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import typing as T
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# Python 3.5 does not have the strict kwarg for resolve and always
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# behaves like calling resolve with strict=True in Python 3.6+
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#
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# This module emulates the behavior of Python 3.6+ by in Python 3.5 by
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# overriding the resolve method with a bit of custom logic
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#
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# TODO: Drop this module as soon as Python 3.5 support is dropped
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if T.TYPE_CHECKING:
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from pathlib import Path
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else:
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if sys.version_info.major <= 3 and sys.version_info.minor <= 5:
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# Inspired by https://codereview.stackexchange.com/questions/162426/subclassing-pathlib-path
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import pathlib
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import os
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# Can not directly inherit from pathlib.Path because the __new__
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# operator of pathlib.Path() returns a {Posix,Windows}Path object.
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class Path(type(pathlib.Path())):
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def resolve(self, strict: bool = False) -> 'Path':
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try:
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return super().resolve()
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except FileNotFoundError:
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if strict:
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raise
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return Path(os.path.normpath(str(self)))
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else:
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from pathlib import Path
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from pathlib import PurePath, PureWindowsPath, PurePosixPath
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