def cached_prinper(self, parent, principal, groups, permission):
# Compute the permission, if any, for the principal.
cache = self.cache(parent)
try:
cache_prin = cache.prin
except AttributeError:
cache_prin = cache.prin = {}
cache_prin_per = cache_prin.get(principal)
if not cache_prin_per:
cache_prin_per = cache_prin[principal] = {}
try:
return cache_prin_per[permission]
except KeyError:
pass
if parent is None:
prinper = SettingAsBoolean[
globalPrincipalPermissionSetting(permission, principal, None)]
cache_prin_per[permission] = prinper
return prinper
prinper = IPrincipalPermissionMap(parent, None)
if prinper is not None:
prinper = SettingAsBoolean[
prinper.getSetting(permission, principal, None)]
if prinper is not None:
cache_prin_per[permission] = prinper
return prinper
parent = removeSecurityProxy(getattr(parent, '__parent__', None))
prinper = self.cached_prinper(parent, principal, groups, permission)
cache_prin_per[permission] = prinper
return prinper
def cached_prinper(self, parent, principal, groups, permission):
cache = self.cache(parent)
try:
cache_prin = cache.prin
except AttributeError:
cache_prin = cache.prin = {}
cache_prin_per = cache_prin.get(principal)
if not cache_prin_per:
cache_prin_per = cache_prin[principal] = {}
try:
return cache_prin_per[permission]
except KeyError:
pass
if parent is None:
prinper = SettingAsBoolean[globalPrincipalPermissionSetting(
permission, principal, None)]
cache_prin_per[permission] = prinper
return prinper
prinper = IPrincipalPermissionMap(parent, None)
if prinper is not None:
prinper = SettingAsBoolean[prinper.getSetting(
permission, principal, None)]
if prinper is not None:
cache_prin_per[permission] = prinper
return prinper
if getattr(parent, 'inherit_permissions', None):
parent = removeSecurityProxy(getattr(parent, '__parent__', None))
prinper = self.cached_prinper(parent, principal, groups,
permission)
cache_prin_per[permission] = prinper
return prinper
prinper = SettingAsBoolean[globalPrincipalPermissionSetting(
permission, principal, None)]
cache_prin_per[permission] = prinper
return prinper
