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91 lines
3.4 KiB
91 lines
3.4 KiB
#!/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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# inject parse_version import to pythondistdeps |
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# not the nicest API, but :/ |
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from pkg_resources import parse_version |
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import pythondistdeps |
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pythondistdeps.parse_version = parse_version |
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def generate_bundled_provides(paths, namespace): |
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provides = set() |
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for path in paths: |
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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', nargs='+', type=pathlib.Path, |
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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(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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