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Index of /ALFA_DATA/alfasymlink/root/usr/lib64/python2.7/Demo/zlib
Index of /ALFA_DATA/alfasymlink/root/usr/lib64/python2.7/Demo/zlib
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ƒyÆÜÂÁ !Ð # Authors: Karl MacMillan
#
# Copyright (C) 2006 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Classes and algorithms for matching requested access to access vectors.
"""
import itertools
from . import access
from . import objectmodel
from . import util
class Match(util.Comparison):
def __init__(self, interface=None, dist=0):
self.interface = interface
self.dist = dist
self.info_dir_change = False
# when implementing __eq__ also __hash__ is needed on py2
# if object is muttable __hash__ should be None
self.__hash__ = None
def _compare(self, other, method):
try:
a = (self.dist, self.info_dir_change)
b = (other.dist, other.info_dir_change)
return method(a, b)
except (AttributeError, TypeError):
# trying to compare to foreign type
return NotImplemented
class MatchList:
DEFAULT_THRESHOLD = 150
def __init__(self):
# Match objects that pass the threshold
self.children = []
# Match objects over the threshold
self.bastards = []
self.threshold = self.DEFAULT_THRESHOLD
self.allow_info_dir_change = False
self.av = None
def best(self):
if len(self.children):
return self.children[0]
if len(self.bastards):
return self.bastards[0]
return None
def __len__(self):
# Only return the length of the matches so
# that this can be us