1 # Copyright 2015, Tresys Technology, LLC 2 # 3 # This file is part of SETools. 4 # 5 # SETools is free software: you can redistribute it and/or modify 6 # it under the terms of the GNU Lesser General Public License as 7 # published by the Free Software Foundation, either version 2.1 of 8 # the License, or (at your option) any later version. 9 # 10 # SETools is distributed in the hope that it will be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU Lesser General Public License for more details. 14 # 15 # You should have received a copy of the GNU Lesser General Public 16 # License along with SETools. If not, see 17 # <http://www.gnu.org/licenses/>. 18 # 19 import logging 20 21 from . import compquery 22 from . import mixins 23 24 25 class CategoryQuery(mixins.MatchAlias, compquery.ComponentQuery): 26 27 """ 28 Query MLS Categories 29 30 Parameter: 31 policy The policy to query. 32 33 Keyword Parameters/Class attributes: 34 name The name of the category to match. 35 name_regex If true, regular expression matching will 36 be used for matching the name. 37 alias The alias name to match. 38 alias_regex If true, regular expression matching 39 will be used on the alias names. 40 """ 41 42 def results(self): 43 """Generator which yields all matching categories.""" 44 self.log.info("Generating results from {0.policy}".format(self)) 45 self.log.debug("Name: {0.name!r}, regex: {0.name_regex}".format(self)) 46 self.log.debug("Alias: {0.alias}, regex: {0.alias_regex}".format(self)) 47 48 for cat in self.policy.categories(): 49 if not self._match_name(cat): 50 continue 51 52 if not self._match_alias(cat): 53 continue 54 55 yield cat 56
