Django: errore di convalida del modello ManyTomanyfield
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12-11-2019 - |
Domanda
Ricevo questo errore durante l'esecuzione di syncdb
Non riesco a capire il problema. Per favore aiuto.
Error: One or more models did not validate:
store.business: Reverse query name for field 'logo' clashes with field 'ImageBank.business'. Add a related_name argument to the definition for 'logo'.
Ecco i miei modelli:
class Business(models.Model):
business_type = models.ManyToManyField(BusinessType)
business_service_type = models.ManyToManyField(ServiceType)
establishment_type = models.ForeignKey(EstablishmentType)
logo = models.ForeignKey(ImageBank, related_name = '%(class)s_logocreated',)
phone = PhoneNumberField()
address = models.ForeignKey(Address)
website = models.URLField()
name = models.CharField(max_length=64)
def __unicode__(self):
return self.name
class ImageBank(models.Model):
business = models.ForeignKey('Business', related_name='%(class)s_business')
image = models.ImageField(upload_to="images/bank")
def url(self):
return self.image.url
def __unicode__(self):
return unicode(self.business) + " : " + unicode(self.image)
Modello del negozio:
class Store(models.Model):
business = models.ForeignKey(Business,null=True, related_name='business_creator_set')
condition = models.CharField(verbose_name='What do customers have to do?',max_length = 50)
reward = models.CharField(verbose_name='What do customers win?',max_length = 50)
display = models.BooleanField(default=True)
date_created = models.DateTimeField(default=datetime.now)
def __unicode__(self):
return self.condition + ", " + self.reward
Nessuna soluzione corretta
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