The Meson Build System
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83 lines
2.7 KiB
83 lines
2.7 KiB
5 years ago
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#!/usr/bin/env python3
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# Copyright 2012-2019 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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# some simple checks on the file format of:
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# - python code
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# - code samples in tests
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# - markdown documentation
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#
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# checks are:
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# - no use of tabs
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# - no use of DOS line endings
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import os
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import re
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from pathlib import Path
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def check_file(file: Path) -> None:
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lines = file.read_bytes().split(b'\n')
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tabdetector = re.compile(br' *\t')
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for i, line in enumerate(lines):
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if re.match(tabdetector, line):
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raise SystemExit("File {} contains a tab indent on line {:d}. Only spaces are permitted.".format(file, i + 1))
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if line.endswith(b'\r'):
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raise SystemExit("File {} contains DOS line ending on line {:d}. Only unix-style line endings are permitted.".format(file, i + 1))
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def check_format() -> None:
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check_suffixes = {'.c',
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'.cpp',
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'.cxx',
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'.cc',
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'.rs',
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'.f90',
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'.vala',
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'.d',
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'.s',
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'.m',
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'.mm',
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'.asm',
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'.java',
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'.txt',
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'.py',
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'.swift',
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'.build',
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'.md',
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}
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skip_dirs = {
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'.dub', # external deps are here
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'.pytest_cache',
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'meson-logs', 'meson-private',
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'work area',
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'.eggs', '_cache', # e.g. .mypy_cache
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'venv', # virtualenvs have DOS line endings
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}
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for (root, _, filenames) in os.walk('.'):
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if any([x in root for x in skip_dirs]):
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continue
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for fname in filenames:
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file = Path(fname)
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if file.suffix.lower() in check_suffixes:
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if file.name in ('sitemap.txt', 'meson-test-run.txt'):
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continue
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check_file(root / file)
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if __name__ == '__main__':
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script_dir = os.path.split(__file__)[0]
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if script_dir != '':
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os.chdir(script_dir)
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check_format()
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