if required_min_role is not None and \
min(self.caller['role_ids']) > required_min_role:
raise PLCPermissionDenied, "Not allowed to modify the specified node tag, requires role %d",required_min_role
if required_min_role is not None and \
min(self.caller['role_ids']) > required_min_role:
raise PLCPermissionDenied, "Not allowed to modify the specified node tag, requires role %d",required_min_role