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bug fix for checking parents

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git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2807 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2008-08-13 17:36:13 +00:00
parent d9fe18cdc1
commit 6436f3f401
1 changed files with 4 additions and 2 deletions
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6
security/policy.py
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@ -64,7 +64,8 @@ class LoopsSecurityPolicy(ZopeSecurityPolicy):
for p in self.getParents(obj, checked):
# TODO: care for correct combination if there is more than
# one parent
roles.update(self.cached_principal_roles(p, principal))
if p is not None:
roles.update(self.cached_principal_roles(p, principal, checked))
prinrole = IPrincipalRoleMap(obj, None)
if prinrole:
roles = roles.copy()
@ -76,7 +77,8 @@ class LoopsSecurityPolicy(ZopeSecurityPolicy):
def getParents(self, obj, checked):
if obj in checked: # cycle - leave the concept map
return [getattr(obj, '__parent__', None)]
parent = getattr(obj, '__parent__', None)
return [parent]
# keep concept parents in cache
cache = self.cache(obj)
try: