def on_pre_migrate(self, sender, **kwargs):
        self._in_migration = True
Looks up the component link with the given name defined or None if none.
dataset/ETHPy150Open django-ddp/django-ddp/dddp/api.py/DDP.on_pre_migrate--crossover with--dataset/ETHPy150Open DevTable/gantryd/runtime/manager.py/RuntimeManager.lookupComponentLink