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86 lines
3.1 KiB
86 lines
3.1 KiB
2 months ago
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#!/usr/bin/python3 -sB
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# (imports pythondistdeps from /usr/lib/rpm, hence -B)
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#
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# This program is free software.
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#
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# It is placed in the public domain or under the CC0-1.0-Universal license,
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# whichever is more permissive.
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#
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# Alternatively, it may be redistributed and/or modified under the terms of
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# the LGPL version 2.1 (or later) or GPL version 2 (or later).
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#
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# Use this script to generate bundled provides, e.g.:
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# ./pythonbundles.py setuptools-47.1.1/pkg_resources/_vendor/vendored.txt
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import pathlib
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import sys
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import pythondistdeps
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def generate_bundled_provides(path, namespace):
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provides = set()
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for line in path.read_text().splitlines():
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line, _, comment = line.partition('#')
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if comment.startswith('egg='):
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# not a real comment
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# e.g. git+https://github.com/monty/spam.git@master#egg=spam&...
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egg, *_ = comment.strip().partition(' ')
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egg, *_ = egg.strip().partition('&')
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name = pythondistdeps.normalize_name(egg[4:])
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provides.add(f'Provides: bundled({namespace}({name}))')
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continue
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line = line.strip()
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if line:
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name, _, version = line.partition('==')
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name = pythondistdeps.normalize_name(name)
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bundled_name = f"bundled({namespace}({name}))"
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python_provide = pythondistdeps.convert(bundled_name, '==', version)
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provides.add(f'Provides: {python_provide}')
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return provides
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def compare(expected, given):
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stripped = (l.strip() for l in given)
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no_comments = set(l for l in stripped if not l.startswith('#'))
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no_comments.discard('')
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if expected == no_comments:
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return True
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extra_expected = expected - no_comments
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extra_given = no_comments - expected
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if extra_expected:
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print('Missing expected provides:', file=sys.stderr)
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for provide in sorted(extra_expected):
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print(f' - {provide}', file=sys.stderr)
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if extra_given:
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print('Redundant unexpected provides:', file=sys.stderr)
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for provide in sorted(extra_given):
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print(f' + {provide}', file=sys.stderr)
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return False
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser(prog=sys.argv[0],
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument('vendored', metavar='VENDORED.TXT',
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help='Upstream information about vendored libraries')
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parser.add_argument('-c', '--compare-with', action='store',
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help='A string value to compare with and verify')
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parser.add_argument('-n', '--namespace', action='store',
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help='What namespace of provides will used', default='python3dist')
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args = parser.parse_args()
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provides = generate_bundled_provides(pathlib.Path(args.vendored), args.namespace)
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if args.compare_with:
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given = args.compare_with.splitlines()
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same = compare(provides, given)
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if not same:
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sys.exit(1)
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else:
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for provide in sorted(provides):
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print(provide)
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