def as_revision_number(self, id_):

        if id_ == 'head':
            id_ = self.get_current_head()
        elif id_ == 'base':
            id_ = None
        return id_
Get the message expected to be logged when a UDP port starts listening.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/alembic/script.py/ScriptDirectory.as_revision_number--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/test/test_udp.py/UDPPortMixin.getExpectedStartListeningLogMessage