Fixed #14803 -- Corrected an inconsistency in redirection handling between…

Fixed #14803 -- Corrected an inconsistency in redirection handling between old-style generic views and class-based views. Thanks to gg for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14808 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/generic/edit.py

@@ -97,7 +97,7 @@ class ModelFormMixin(FormMixin, SingleObjectMixin):
 
     def get_success_url(self):
         if self.success_url:
-            url = self.success_url
+            url = self.success_url % self.object.__dict__
         else:
             try:
                 url = self.object.get_absolute_url()

docs/ref/class-based-views.txt

@@ -481,6 +481,11 @@ ModelFormMixin
 
         The URL to redirect to when the form is successfully processed.
 
+        ``success_url`` may contain dictionary string formatting, which
+        will be interpolated against the object's field attributes. For
+        example, you could use ``success_url="/polls/%(slug)s/"`` to
+        redirect to a URL composed out of the ``slug`` field on a model.
+
     .. method:: get_form_class()
 
         Retrieve the form class to instantiate. If

docs/topics/generic-views-migration.txt

@@ -113,6 +113,13 @@ For example::
             })
             return context
 
+``post_save_redirect`` argument to create and update views
+----------------------------------------------------------
+
+The ``post_save_redirect`` argument to the create and update views
+has been renamed ``success_url`` on the
+:class:`~django.views.generic.edit.ModelFormMixin`.
+
 ``mimetype``
 ------------
 

tests/regressiontests/generic_views/edit.py

@@ -47,6 +47,14 @@ class CreateViewTests(TestCase):
         self.assertRedirects(res, 'http://testserver/edit/authors/create/')
         self.assertQuerysetEqual(Author.objects.all(), ['<Author: Randall Munroe>'])
 
+    def test_create_with_interpolated_redirect(self):
+        res = self.client.post('/edit/authors/create/interpolate_redirect/',
+                            {'name': 'Randall Munroe', 'slug': 'randall-munroe'})
+        self.assertQuerysetEqual(Author.objects.all(), ['<Author: Randall Munroe>'])
+        self.assertEqual(res.status_code, 302)
+        pk = Author.objects.all()[0].pk
+        self.assertRedirects(res, 'http://testserver/edit/author/%d/update/' % pk)
+
     def test_create_with_special_properties(self):
         res = self.client.get('/edit/authors/create/special/')
         self.assertEqual(res.status_code, 200)
@@ -145,6 +153,18 @@ class UpdateViewTests(TestCase):
         self.assertRedirects(res, 'http://testserver/edit/authors/create/')
         self.assertQuerysetEqual(Author.objects.all(), ['<Author: Randall Munroe (author of xkcd)>'])
 
+    def test_update_with_interpolated_redirect(self):
+        a = Author.objects.create(
+            name='Randall Munroe',
+            slug='randall-munroe',
+        )
+        res = self.client.post('/edit/author/%d/update/interpolate_redirect/' % a.pk,
+                        {'name': 'Randall Munroe (author of xkcd)', 'slug': 'randall-munroe'})
+        self.assertQuerysetEqual(Author.objects.all(), ['<Author: Randall Munroe (author of xkcd)>'])
+        self.assertEqual(res.status_code, 302)
+        pk = Author.objects.all()[0].pk
+        self.assertRedirects(res, 'http://testserver/edit/author/%d/update/' % pk)
+
     def test_update_with_special_properties(self):
         a = Author.objects.create(
             name='Randall Munroe',

tests/regressiontests/generic_views/urls.py

@@ -51,6 +51,8 @@ urlpatterns = patterns('',
         views.NaiveAuthorCreate.as_view()),
     (r'^edit/authors/create/redirect/$',
         views.NaiveAuthorCreate.as_view(success_url='/edit/authors/create/')),
+    (r'^edit/authors/create/interpolate_redirect/$',
+        views.NaiveAuthorCreate.as_view(success_url='/edit/author/%(id)d/update/')),
     (r'^edit/authors/create/restricted/$',
         views.AuthorCreateRestricted.as_view()),
     (r'^edit/authors/create/$',
@@ -62,6 +64,8 @@ urlpatterns = patterns('',
         views.NaiveAuthorUpdate.as_view()),
     (r'^edit/author/(?P<pk>\d+)/update/redirect/$',
         views.NaiveAuthorUpdate.as_view(success_url='/edit/authors/create/')),
+    (r'^edit/author/(?P<pk>\d+)/update/interpolate_redirect/$',
+        views.NaiveAuthorUpdate.as_view(success_url='/edit/author/%(id)d/update/')),
     (r'^edit/author/(?P<pk>\d+)/update/$',
         views.AuthorUpdate.as_view()),
     (r'^edit/author/(?P<pk>\d+)/update/special/$',