1 # Copyright 2015-2016, 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 from .difference import Wrapper 20 21 22 class ConditionalExprWrapper(Wrapper): 23 24 """Wrap conditional policy expressions to allow comparisons by truth table.""" 25 26 def __init__(self, cond): 27 self.origin = cond 28 self.truth_table = cond.truth_table() 29 30 def __eq__(self, other): 31 return self.truth_table == other.truth_table 32
