I am porting an app to the latest SVN trunk of Django and am running
into a problem with the admin interface not currectly processing
objects which are subclasses of a more generic model. I've written up a
small testcase model that demonstrates this problem:
from django.db import models
class Ticket(models.Model):
amount = models.IntegerField()
class MovieTicket(Ticket):
movie = models.CharField(maxlength=100)
def __repr__(self):
return "$%s ticket for %s" % (self.amount, self.movie)
class Admin:
pass
class ConcertTicket(Ticket):
band = models.CharField(maxlength=100)
venue = models.CharField(maxlength=100)
def __repr__(self):
return "$%s ticket for %s at %s" % (self.amount,
self.band,self.venue)
class Admin:
pass
When this model is loaded into the latest (rev 2868) django, I can
create a ConcertTicket with the admin interface with no problem, but
when I select it from the Concert ticket change page
(http://localhost:8000/admin/testcase/concertticket/), the URL that is
traversed (URL: http://localhost:8000/admin/testcase/concertticket/1/)
returns a 404 error. Additionally, when accessing the objects through
the python prompt, I get an empty list for MovieTicket.objects.all(),
even though the admin index page lists the object and even utilizes the
objects __repr__. Additionally, a look at the database tables will also
show the data. Even in the list recent actions shows the new object,
but selecting the object returns a 404.
This is massivily simplified code, but a more complex object
configuration with similar inheritance pattern *did* work prior to the
unification of the magic removal branch (circa revision 2747).
Any assistance would be appreciated.
-- William
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