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# Copyright 2016, Tresys Technology, LLC
#
# This file is part of SETools.
#
# SETools is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of
# the License, or (at your option) any later version.
#
# SETools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools. If not, see
# <http://www.gnu.org/licenses/>.
#
from ..policyrep.exception import MLSDisabled
from .difference import SymbolWrapper, Wrapper
from .mls import RangeWrapper
class ContextWrapper(Wrapper):
"""Wrap contexts to allow comparisons."""
def __init__(self, ctx):
self.origin = ctx
self.user = SymbolWrapper(ctx.user)
self.role = SymbolWrapper(ctx.role)
self.type_ = SymbolWrapper(ctx.type_)
try:
self.range_ = RangeWrapper(ctx.range_)
except MLSDisabled:
self.range_ = None
def __eq__(self, other):
return self.user == other.user and \
self.role == other.role and \
self.type_ == other.type_ and \
self.range_ == other.range_
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