from __future__ import unicode_literals from django.db import models from django.utils import six # The models definitions below used to crash. Generating models dynamically # at runtime is a bad idea because it pollutes the app cache. This doesn't # integrate well with the test suite but at least it prevents regressions. class CustomBaseModel(models.base.ModelBase): pass class MyModel(six.with_metaclass(CustomBaseModel, models.Model)): """Model subclass with a custom base using six.with_metaclass.""" if not six.PY3: class MyModel(models.Model): """Model subclass with a custom base using __metaclass__.""" __metaclass__ = CustomBaseModel