Fixed #16918 -- Ensured that custom querysets are used when provided to `BaseDateDetailView.get_object()`. Thanks to mitar for the report, to koenb for the patch and to Preston Holmes for the review.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16974 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/generic/dates.py

@@ -459,7 +459,8 @@ class BaseDateDetailView(YearMixin, MonthMixin, DayMixin, DateMixin, BaseDetailV
                                  month, self.get_month_format(),
                                  day, self.get_day_format())
 
-        qs = self.get_queryset()
+        # Use a custom queryset if provided
+        qs = queryset or self.get_queryset()
 
         if not self.get_allow_future() and date > datetime.date.today():
             raise Http404(_(u"Future %(verbose_name_plural)s not available because %(class_name)s.allow_future is False.") % {

tests/regressiontests/generic_views/dates.py

@@ -412,3 +412,19 @@ class DateDetailViewTests(TestCase):
     def test_invalid_url(self):
         self.assertRaises(AttributeError, self.client.get, "/dates/books/2008/oct/01/nopk/")
 
+    def test_get_object_custom_queryset(self):
+        """
+        Ensure that custom querysets are used when provided to
+        BaseDateDetailView.get_object()
+        Refs #16918.
+        """
+        res = self.client.get(
+            '/dates/books/get_object_custom_queryset/2006/may/01/2/')
+        self.assertEqual(res.status_code, 200)
+        self.assertEqual(res.context['object'], Book.objects.get(pk=2))
+        self.assertEqual(res.context['book'], Book.objects.get(pk=2))
+        self.assertTemplateUsed(res, 'generic_views/book_detail.html')
+
+        res = self.client.get(
+            '/dates/books/get_object_custom_queryset/2008/oct/01/1/')
+        self.assertEqual(res.status_code, 404)

tests/regressiontests/generic_views/urls.py

@@ -216,6 +216,9 @@ urlpatterns = patterns('',
     (r'^dates/books/(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\d{1,2})/byslug/(?P<slug>[\w-]+)/$',
         views.BookDetail.as_view()),
 
+    (r'^dates/books/get_object_custom_queryset/(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\d{1,2})/(?P<pk>\d+)/$',
+        views.BookDetailGetObjectCustomQueryset.as_view()),
+
     # Useful for testing redirects
     (r'^accounts/login/$',  'django.contrib.auth.views.login')
 )

tests/regressiontests/generic_views/views.py

@@ -177,3 +177,8 @@ class BookDetail(BookConfig, generic.DateDetailView):
 class AuthorGetQuerySetFormView(generic.edit.ModelFormMixin):
     def get_queryset(self):
         return Author.objects.all()
+
+class BookDetailGetObjectCustomQueryset(BookDetail):
+    def get_object(self, queryset=None):
+        return super(BookDetailGetObjectCustomQueryset,self).get_object(
+            queryset=Book.objects.filter(pk=2))