def getPermissionRoles(self):
"""Get a dict of dicts containing the current role->permission
mappings.
"""
prm = IRolePermissionManager(self.context)
result = {}
for perm in self.permissions:
proles = prm.getRolesForPermission(perm.id)
settings = {}
for role, setting in proles:
settings[role] = setting.getName()
nosetting = Unset.getName()
result[perm.id] = {}
for role in self.roles:
result[perm.id][role] = settings.get(role, nosetting)
return result
