#23616: 'GenericRel' object has no attribute 'get_related_field'
-------------------------------------+-------------------------------------
Reporter: ranjur | Owner: nobody
Type: Bug | Status: new
Component: | Version: 1.7
contrib.contenttypes | Keywords: GenericRel, django 1.7,
Severity: Normal | admin, get_related_field,
Triage Stage: Unreviewed | GenericRelation
Easy pickings: 0 | Has patch: 0
| UI/UX: 0
-------------------------------------+-------------------------------------
I have a model:
#models.py
class TaggedItem(models.Model):
tag = models.SlugField()
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey('content_type', 'object_id')
def __str__(self): # __unicode__ on Python 2
return self.tag
And model with GenericRelation
class Bookmark(models.Model):
url = models.URLField()
tags = GenericRelation(TaggedItem)
#admin.py
class BookmarkAdmin(admin.ModelAdmin):
list_filter = ('tags__tag')
admin.site.register(models.Bookmark, BookmarkAdmin)
It will list all the `tag` in the filter, but when I try to filter it
throws error `'GenericRel' object has no attribute 'get_related_field'`
Full stack:
{{{
AttributeError at /admin/app/bookmark
'GenericRel' object has no attribute 'get_related_field'
Request Method: GET
Request URL:
http://127.0.0.1:8000/admin/app/bookmark/?q=&tags__tag__id__exact=1
Django Version: 1.7
Exception Type: AttributeError
Exception Value:
'GenericRel' object has no attribute 'get_related_field'
Exception Location: /home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/options.py in lookup_allowed, line 416
Python Executable: /home/user/virtual/test/bin/python
Python Version: 2.7.6
Python Path:
['/home/user/projects/ptest',
'/home/user/virtual/test/local/lib/python2.7/site-
packages/Pillow-2.5.1-py2.7-linux-x86_64.egg',
'/home/user/virtual/test/src/cmsplugin-bootstrap-carousel',
'/home/user/virtual/test/src/cmsplugin-contact',
'/home/user/virtual/test/src/django-faq',
'/home/user/virtual/test/src/python-varnish',
'/home/user/virtual/test/src/cmsplugin-text-ng',
'/home/user/virtual/test/src/django-balancer',
'/home/user/virtual/test/src/django-nose',
'/home/user/virtual/test/lib/python2.7',
'/home/user/virtual/test/lib/python2.7/plat-x86_64-linux-gnu',
'/home/user/virtual/test/lib/python2.7/lib-tk',
'/home/user/virtual/test/lib/python2.7/lib-old',
'/home/user/virtual/test/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu',
'/usr/lib/python2.7/lib-tk',
'/home/user/virtual/test/local/lib/python2.7/site-packages',
'/home/user/virtual/test/local/lib/python2.7/site-packages/PIL',
'/home/user/virtual/test/local/lib/python2.7/site-
packages/newrelic-2.28.0.26',
'/home/user/projects/y1/test']
Server time: Wed, 8 Oct 2014 13:28:38 +0800
Traceback Switch to copy-and-paste view
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/core/handlers/base.py in get_response
response = wrapped_callback(request, *callback_args,
**callback_kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/options.py in wrapper
return self.admin_site.admin_view(view)(*args, **kwargs)
...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/utils/decorators.py in _wrapped_view
response = view_func(request, *args, **kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/views/decorators/cache.py in _wrapped_view_func
response = view_func(request, *args, **kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/sites.py in inner
return view(request, *args, **kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/utils/decorators.py in _wrapper
return bound_func(*args, **kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/utils/decorators.py in _wrapped_view
response = view_func(request, *args, **kwargs) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/utils/decorators.py in bound_func
return func.__get__(self, type(self))(*args2, **kwargs2)
...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/options.py in changelist_view
self.list_max_show_all, self.list_editable, self) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/views/main.py in __init__
self.queryset = self.get_queryset(request) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/views/main.py in get_queryset
filters_use_distinct) = self.get_filters(request) ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/views/main.py in get_filters
if not self.model_admin.lookup_allowed(key, value): ...
▶ Local vars
/home/user/virtual/test/local/lib/python2.7/site-
packages/django/contrib/admin/options.py in lookup_allowed
rel_name = field.rel.get_related_field().name ...
▶ Local vars
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/23616>
Django <https://code.djangoproject.com/>
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