The Meson Build System
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77 lines
2.5 KiB
77 lines
2.5 KiB
3 years ago
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#!/usr/bin/env python3
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from pathlib import Path
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import typing as T
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root = Path(__file__).absolute().parent
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mesonbuild = root / 'mesonbuild'
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whitelist = ['mesonbuild/', 'run_', 'ci/', 'tools/', 'docs/']
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def check_missing_encoding(lines: T.List[str], path: str) -> int:
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errors = 0
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functions = ['read_text', 'write_text', 'open']
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for num, line in enumerate(lines):
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for func in functions:
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l = line
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# Skip ignored lines
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if '[ignore encoding]' in l:
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continue
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# Do we have a match?
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loc = l.find(func + '(')
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if loc < 0:
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continue
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if loc > 0 and ord(l[loc-1].lower()) in [*range(ord('a'), ord('z')), *range(ord('0'), ord('9')), '_']:
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continue
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loc += len(func) + 1
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# Some preprocessign to make parsing easier
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l = l[loc:]
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l = l.replace(' ', '')
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l = l.replace('\t', '')
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l = l.replace('\n', '')
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l = l.replace('\'', '"')
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# Parameter begin
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args = ''
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b_open = 1
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while l:
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c = l[0]
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l = l[1:]
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if c == ')':
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b_open -= 1
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if b_open == 0:
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break
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elif b_open == 1:
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args += c
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if c == '(':
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b_open += 1
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binary_modes = ['rb', 'br', 'r+b', 'wb', 'bw', 'ab', 'ba']
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is_binary = any([f'"{x}"' in args for x in binary_modes])
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if 'encoding=' not in args and not (func == 'open' and is_binary):
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location = f'\x1b[33;1m[\x1b[0;1m{path}:{num+1}\x1b[33m]\x1b[0m'
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#print(f'{location:<64}: \x1b[31;1mERROR:\x1b[0m Missing `encoding=` parameter in "{line.strip()}"')
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print(f'{location:<72}: \x1b[31;1mERROR:\x1b[0m Missing `encoding=` parameter in `{func}` call')
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errors += 1
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return errors
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def main() -> int:
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print('Scanning mesonbuild...')
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errors = 0
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for i in sorted(root.glob('**/*.py')):
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raw = i.read_text(encoding='utf-8')
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lines = raw.splitlines()
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filename = i.relative_to(root).as_posix()
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if not any([filename.startswith(x) for x in whitelist]):
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continue
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errors += check_missing_encoding(lines, filename)
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print(f'Found {errors} errors while scanning mesonbuild')
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return 0 if errors == 0 else 1
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if __name__ == '__main__':
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raise SystemExit(main())
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