def r_eval(self, code):
        m = self.add_module('__main__')
        return eval(code, m.__dict__)
Notify all mechanism drivers during port update.
dataset/ETHPy150Open ctxis/canape/CANAPE.Scripting/Lib/rexec.py/RExec.r_eval--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/managers.py/MechanismManager.update_port_precommit