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DTA/InfoFlow: change exclude to handle None

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This is a little clearer than having an empty list, from the caller side.
This commit is contained in:
Chris PeBenito 2015-03-27 09:06:16 -04:00
parent ec9de08ac6
commit 84217f0d73
2 changed files with 11 additions and 4 deletions
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8
setools/dta.py
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@ -27,7 +27,7 @@ class DomainTransitionAnalysis(object):
"""Domain transition analysis."""
def __init__(self, policy, reverse=False, exclude=[]):
def __init__(self, policy, reverse=False, exclude=None):
"""
Parameter:
policy The policy to analyze.
@ -128,7 +128,11 @@ class DomainTransitionAnalysis(object):
exclude A list of types.
"""
self.exclude = [self.policy.lookup_type(t) for t in exclude]
if exclude:
self.exclude = [self.policy.lookup_type(t) for t in exclude]
else:
self.exclude = []
self.rebuildsubgraph = True
def shortest_path(self, source, target):

7
setools/infoflow.py
View File

@ -30,7 +30,7 @@ class InfoFlowAnalysis(object):
"""Information flow analysis."""
def __init__(self, policy, perm_map, minweight=1, exclude=[]):
def __init__(self, policy, perm_map, minweight=1, exclude=None):
"""
Parameters:
policy The policy to analyze.
@ -92,7 +92,10 @@ class InfoFlowAnalysis(object):
exclude A list of types.
"""
self.exclude = [self.policy.lookup_type(t) for t in exclude]
if exclude:
self.exclude = [self.policy.lookup_type(t) for t in exclude]
else:
self.exclude = []
self.rebuildsubgraph = True