我有两个应用程序(ook
和eek
说),我想从eek
中的模型中使用外键到ook
中的模型。第一个是INSTALLED_APPS
,第二个是ook
。ValueError:相关模型u'app.model'无法解析
在ook.models.py
,我有:
class Fubar(models.Model):
...
在eek.models.py
,我有:
class monkey(models.Model):
external = models.ForeignKey('ook.Fubar', blank=True, null=True)
...
迁移产生的是:
class Migration(migrations.Migration):
dependencies = [
('eek', '0002_auto_20151029_1040'),
]
operations = [
migrations.AlterField(
model_name='monkey',
name='external',
field=models.ForeignKey(blank=True, to='ook.Fubar', null=True),
),
]
当我运行迁移,我得到此错误:
...
1595 raise ValueError('Foreign Object from and to fields must be
the same non-zero length')
1596 if isinstance(self.rel.to, six.string_types):
-> 1597 raise ValueError('Related model %r cannot be resolved' % self.rel.to)
1598 related_fields = []
1599 for index in range(len(self.from_fields)):
ValueError: Related model u'ook.Fubar' cannot be resolved
我在做什么错?
是'ook'和'eek'包含在''中settings.py' INSTALLED_APPS'? – Leistungsabfall
@Leistungsabfall:是的,他们和'ook'在'eek'之前。 – Sardathrion
'ook.models.Foobar'也许? – cdvv7788