The Meson Build System
http://mesonbuild.com/
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38 lines
1.2 KiB
38 lines
1.2 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# Copyright 2021 The Meson development team |
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from __future__ import annotations |
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import importlib.resources |
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from pathlib import PurePosixPath, Path |
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import typing as T |
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if T.TYPE_CHECKING: |
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from .environment import Environment |
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class DataFile: |
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def __init__(self, path: str) -> None: |
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self.path = PurePosixPath(path) |
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def write_once(self, path: Path) -> None: |
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if not path.exists(): |
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data = importlib.resources.read_text( # [ignore encoding] it's on the next lines, Mr. Lint |
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('mesonbuild' / self.path.parent).as_posix().replace('/', '.'), |
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self.path.name, |
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encoding='utf-8') |
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path.write_text(data, encoding='utf-8') |
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def write_to_private(self, env: 'Environment') -> Path: |
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try: |
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resource = importlib.resources.files('mesonbuild') / self.path |
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if isinstance(resource, Path): |
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return resource |
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except AttributeError: |
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# fall through to python 3.7 compatible code |
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pass |
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out_file = Path(env.scratch_dir) / 'data' / self.path.name |
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out_file.parent.mkdir(exist_ok=True) |
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self.write_once(out_file) |
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return out_file
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