On Tue, Jan 25, 2011 at 11:41 AM, Jaroslav Dobrek
<jaroslav.dob...@gmail.com> wrote:
>>> What happens ?
>
> I get this error message when I run manage.py syncdb:
>
> AttributeError: 'ForeignKey' object has no attribute 'producer'
>
>>> And what did you expect to happen ?
>
> I want the 'country_of_origin' of cars to be the string that is stored
> in their producer's 'country_of_origin':
>
> class CarProducer(models.Model):
> country_of_origin = models.CharField(max_length=200)
>
>
> class Car(models.Model):
> producer = models.ForeignKey(CarProducer)
> country_of_origin = producer.country_of_origin
>
class Car(models.Model):
producer = models.ForeignKey(CarProducer)
@property
def country_of_origin(self):
return self.producer.country_of_origin
Cheers
Tom
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