#29354: ordering inherited from abstract superclass does not get applied to 
admin
inlines
-------------------------------------+-------------------------------------
               Reporter:  Moritz     |          Owner:  nobody
  Pfeiffer                           |
                   Type:  Bug        |         Status:  new
              Component:  Database   |        Version:  1.11
  layer (models, ORM)                |       Keywords:  ordering
               Severity:  Normal     |  inheritance abstract meta
           Triage Stage:             |      Has patch:  0
  Unreviewed                         |
    Needs documentation:  0          |    Needs tests:  0
Patch needs improvement:  0          |  Easy pickings:  0
                  UI/UX:  0          |
-------------------------------------+-------------------------------------
 The attached project illustrates a problem where ```Meta.ordering```
 inherited from an abstract superclass does not get applied to admin
 inlines.

 Suppose we have the following models:

 {{{#!python
 from django.db import models


 class Orderable(models.Model):
     sort_order = models.IntegerField(null=True, blank=True)

     class Meta:
         abstract = True
         ordering = ['sort_order']


 class Foo(models.Model):
     name = models.CharField(max_length=50)

     def __str__(self):
         return self.name

     class Meta:
         verbose_name = 'foo'
         verbose_name_plural = 'foos'


 class Bar(Orderable, models.Model):
     foo = models.ForeignKey(Foo, blank=True, null=True,
 on_delete=models.CASCADE)
     name = models.CharField(max_length=50)

     def __str__(self):
         return '{}-{}'.format(self.name, self.sort_order)

     class Meta:
         verbose_name = 'bar'
         verbose_name_plural = 'bars'
         # ordering = ['sort_order']  # needs to be explicitly set to
 effect admin inline ordering
 }}}

 and the following admin definition:
 {{{#!python
 from django.contrib import admin
 from metainheritance.models import Foo, Bar


 class BarInline(admin.StackedInline):
     model = Bar
     fields = ['foo', 'name', 'sort_order']
     extra = 0


 class FooAdmin(admin.ModelAdmin):
     inlines = [BarInline]

 admin.site.register(Foo, FooAdmin)


 }}}

 Then BarInline objects in the admin interface will only be ordered by
 ```sort_order``` if it is explicitly defined on Bar.Meta.

 In the attached project, there is a custome management command ```python
 manage.py create_data``` to initialize the database.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29354>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

-- 
You received this message because you are subscribed to the Google Groups 
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-updates/058.6ff8d77dd49649e1977d8456fc1f8ae1%40djangoproject.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to