def pre_save(self, model_instance, add):
        value = getattr(model_instance, self.attname)
        if value is None:
            return None

        return self._map(lambda item: self.item_field_type.pre_save(_FakeModel(self.item_field_type, item), add), value)
The "ravello save" command.
dataset/ETHPy150Open potatolondon/djangae/djangae/fields/iterable.py/IterableField.pre_save--crossover with--dataset/ETHPy150Open ravello/testmill/lib/testmill/command_save.py/do_save