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:
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proc
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thread-self
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root
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usr
/
share
/
crypto-policies
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python
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cryptopolicies
/
validation
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files >> //proc/thread-self/root/usr/share/crypto-policies/python/cryptopolicies/validation/scope.py
# SPDX-License-Identifier: LGPL-2.1-or-later # Copyright (c) 2021 Red Hat, Inc. import fnmatch from .general import PolicySyntaxError class ScopeSyntaxError(PolicySyntaxError): pass class ScopeUnknownError(ScopeSyntaxError): def __init__(self, scope_glob): super().__init__(f'unknown scope {scope_glob}') class ScopeSelectorEmptyError(ScopeSyntaxError): def __init__(self): super().__init__('empty scope selector') class ScopeSelectorIllegalCharacterError(ScopeSyntaxError): def __init__(self, selector): super().__init__(f'illegal character in scope selector `{selector}`') class ScopeSelectorCurlyBracketsError(ScopeSyntaxError): def __init__(self, pattern): super().__init__(f'unsupported curly brackets usage in `{pattern}`') class ScopeSelectorCommaError(ScopeSyntaxError): def __init__(self, pattern): super().__init__(f'unsupported comma usage in `{pattern}`') class ScopeSelectorMatchedNothingError(ScopeSyntaxError): def __init__(self, pattern): super().__init__(f'scope selector `{pattern}` matches no scope') def illegal_characters(p, original_pattern): if not all(c.isalnum() or c in '{,}*_-' for c in p): raise ScopeSelectorIllegalCharacterError(original_pattern) def curly_brackets(p, original_pattern): if ((p.count('{'), p.count('}')) not in [(0, 0), (1, 1)] or p.startswith('{') and not p.endswith('}') or not p.startswith('{') and p.endswith('}')): raise ScopeSelectorCurlyBracketsError(original_pattern) def resulting_globs(globs, all_scopes, original_pattern): if any(',' in g for g in globs): raise ScopeSelectorCommaError(original_pattern) for g in globs: if not g: raise ScopeSelectorEmptyError() if not fnmatch.filter(all_scopes, g): if '*' in g: raise ScopeSelectorMatchedNothingError(g) raise ScopeUnknownError(g)
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