gistfile1.py

def all_objects(request, admin):
    from my_project.my_app.admin import ThisAdmin
    
    class AllItemsAdmin(ThisAdmin):
        list_display = ('item_name', 'start_date', 'press_summaries', 'photos', 'owner', 'output', 'visible')
        list_display_links = (None,)
        actions = None

        def __init__(self, model, admin_site, request):
            self.request = request
            super(AllItemsAdmin, self).__init__(model, admin_site)
            
        def check_owner(self, object):
            user = self.request.user
            if user.is_superuser or self.request.user == object.owner or self.request.user in object.editors.all():
                return True
            return False
            
        def item_name(self, object):
            if self.check_owner(object):
                return "<a href=\"%s\">%s</a>" % (reverse('admin:my_app_my_object_change', args=(object.id,)), object.name)
            return object.name
        item_name.allow_tags = True
        item_name.short_description = "name"
            
        def press_summaries(self, object):
            if self.check_owner(object):
                return object.press_summaries()
            return "%d press summaries" % object.presssummary_set.all().count()
        press_summaries.allow_tags = True
            
        def photos(self, object):
            if self.check_owner(object):
                return object.photos()
            return "%d photos" % object.photo_set.all().count()
        photos.allow_tags = True

        def queryset(self, request):
            return Item.objects.all()
    
    return AllItemsAdmin(admin.model, admin.admin_site, request).changelist_view(request, extra_context={'all': True,})