On Aug 5, 2010, at 3:15 PM, Roald de Vries wrote:
On Aug 5, 2010, at 3:00 PM, Emily Rodgers wrote:
On Aug 5, 1:50 pm, Roald de Vries <downa...@gmail.com> wrote:
Dear all,
I have the following error, and don't know what it means:
Error: One or more models did not validate:
update.personupdate: 'address' has a relation with model
Address,
which has either not been installed or is abstract.
I did a pretty big refactoring, but I think the problems started
when
I separated my Person class into an abstract base class
PersonProfile
and a derived class Person, and added the class PersonUpdate,
deriving
from PersonProfile too.
Can anybody help?
Thanks in advance, cheers,
Roald
Can you provide some code snippets from your model definitions?
I had adapted the error a little, but here the real code (in Dutch)
and the corresponding errors. I can help you with the Dutch if it's
necessary ;-).
#################
# in core.models:
#################
# ...
class Persoonprofiel(models.Model):
geslacht = models.CharField(max_length=8, choices=(('M',
'Man'), ('V', 'Vrouw')))
voorletters = models.CharField(max_length=12, blank=False)
# ...
class Meta:
abstract = True
# ...
class Persoon(Persoonprofiel):
foto = models.ImageField(upload_to="personen_fotos",
blank=True)
titel = models.CharField(max_length=100, blank=True)
# ...
class Meta:
verbose_name = 'Persoon'
verbose_name_plural = 'Personen'
ordering = ['achternaam']
###################
# in update.models:
###################
# ...
class PersoonUpdate(Persoonprofiel):
persoon = models.ForeignKey('Persoon')
bezoekadres = models.ForeignKey('Adres',
related_name='persoonupdates_als_bezoekadres', blank=True, null=True)
# ...
#########
# errors:
#########
Error: One or more models did not validate:
update.persoonupdate: 'persoon' has a relation with model Persoon,
which has either not been installed or is abstract.
update.persoonupdate: 'bezoekadres' has a relation with model Adres,
which has either not been installed or is abstract.
# ...
Solved. Solution: omit the quotes the referenced models that foreign
keys refer to.
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