-
- value_class = field.value_class
- if isinstance(attribute.value, value_class):
- value = attribute.value
- else:
- if isinstance(attribute.value, models.Model):
- attribute.value.delete()
- value = value_class()
-
- value.set_value(getattr(instance, field.name, None))
- value.save()
-
- attribute.value = value
- attribute.save()
+ attribute.set_value(value=getattr(instance, field.name, None), value_class=field.value_class)