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@ -22,14 +22,19 @@ def parse_args():
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'input', nargs='?', metavar='TOMLFILE', default=Path(__file__).parent.parent / 'pyproject.toml',
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help='input file (default: %(default)s)')
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parser.add_argument(
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'-e', '--exclude', metavar='DEPENDENCY', action='append',
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help='exclude a dependency')
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'-e', '--exclude-dependency', metavar='DEPENDENCY', action='append',
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help='exclude a dependency (can be used multiple times)')
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parser.add_argument(
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'-i', '--include', metavar='GROUP', action='append',
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help='include an optional dependency group')
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'-i', '--include-group', metavar='GROUP', action='append',
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help='include an optional dependency group (can be used multiple times)')
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parser.add_argument(
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'-o', '--only-optional', action='store_true',
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help='only install optional dependencies')
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'-c', '--cherry-pick', metavar='DEPENDENCY', action='append',
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help=(
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'only include a specific dependency from the resulting dependency list '
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'(can be used multiple times)'))
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parser.add_argument(
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'-o', '--only-optional-groups', action='store_true',
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help='omit default dependencies unless the "default" group is specified with --include-group')
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parser.add_argument(
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'-p', '--print', action='store_true',
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help='only print requirements to stdout')
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@ -39,30 +44,41 @@ def parse_args():
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return parser.parse_args()
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def uniq(arg) -> dict[str, None]:
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return dict.fromkeys(map(str.lower, arg or ()))
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def main():
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args = parse_args()
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project_table = parse_toml(read_file(args.input))['project']
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recursive_pattern = re.compile(rf'{project_table["name"]}\[(?P<group_name>[\w-]+)\]')
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optional_groups = project_table['optional-dependencies']
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excludes = args.exclude or []
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excludes = uniq(args.exclude_dependency)
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only_includes = uniq(args.cherry_pick)
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include_groups = uniq(args.include_group)
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def yield_deps(group):
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for dep in group:
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if mobj := recursive_pattern.fullmatch(dep):
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yield from optional_groups.get(mobj.group('group_name'), [])
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yield from optional_groups.get(mobj.group('group_name'), ())
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else:
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yield dep
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targets = []
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if not args.only_optional: # `-o` should exclude 'dependencies' and the 'default' group
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targets.extend(project_table['dependencies'])
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if 'default' not in excludes: # `--exclude default` should exclude entire 'default' group
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targets.extend(yield_deps(optional_groups['default']))
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targets = {}
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if not args.only_optional_groups:
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# legacy: 'dependencies' is empty now
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targets.update(dict.fromkeys(project_table['dependencies']))
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targets.update(dict.fromkeys(yield_deps(optional_groups['default'])))
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for include in filter(None, map(optional_groups.get, include_groups)):
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targets.update(dict.fromkeys(yield_deps(include)))
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for include in filter(None, map(optional_groups.get, args.include or [])):
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targets.extend(yield_deps(include))
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def target_filter(target):
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name = re.match(r'[\w-]+', target).group(0).lower()
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return name not in excludes and (not only_includes or name in only_includes)
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targets = [t for t in targets if re.match(r'[\w-]+', t).group(0).lower() not in excludes]
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targets = list(filter(target_filter, targets))
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if args.print:
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for target in targets:
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bashonly
1 month ago
committed by