Fixed #18433 -- Fixed "View on Site" link in inline admin for models with custom PK

tests/regressiontests/admin_inlines/admin.py

@@ -115,6 +115,16 @@ class ProfileInline(admin.TabularInline):
     model = Profile
     extra = 1
 
+
+# admin for #18433
+class ChildModel1Inline(admin.TabularInline):
+    model = ChildModel1
+
+
+class ChildModel2Inline(admin.StackedInline):
+    model = ChildModel2
+
+
 site.register(TitleCollection, inlines=[TitleInline])
 # Test bug #12561 and #12778
 # only ModelAdmin media
@@ -130,4 +140,5 @@ site.register(Fashionista, inlines=[InlineWeakness])
 site.register(Holder4, Holder4Admin)
 site.register(Author, AuthorAdmin)
 site.register(CapoFamiglia, inlines=[ConsigliereInline, SottoCapoInline])
-site.register(ProfileCollection, inlines=[ProfileInline])
+site.register(ProfileCollection, inlines=[ProfileInline])
+site.register(ParentModelWithCustomPk, inlines=[ChildModel1Inline, ChildModel2Inline])

tests/regressiontests/admin_inlines/models.py

@@ -139,6 +139,31 @@ class SottoCapo(models.Model):
     name = models.CharField(max_length=100)
     capo_famiglia = models.ForeignKey(CapoFamiglia, related_name='+')
 
+# Models for #18433
+
+class ParentModelWithCustomPk(models.Model):
+    my_own_pk = models.CharField(max_length=100, primary_key=True)
+    name = models.CharField(max_length=100)
+
+
+class ChildModel1(models.Model):
+    my_own_pk = models.CharField(max_length=100, primary_key=True)
+    name = models.CharField(max_length=100)
+    parent = models.ForeignKey(ParentModelWithCustomPk)
+
+    def get_absolute_url(self):
+        return '/child_model1/'
+
+
+class ChildModel2(models.Model):
+    my_own_pk = models.CharField(max_length=100, primary_key=True)
+    name = models.CharField(max_length=100)
+    parent = models.ForeignKey(ParentModelWithCustomPk)
+
+    def get_absolute_url(self):
+        return '/child_model2/'
+
+
 # Other models
 
 class ProfileCollection(models.Model):

tests/regressiontests/admin_inlines/tests.py

@@ -11,7 +11,7 @@ from django.test.utils import override_settings
 from .admin import InnerInline
 from .models import (Holder, Inner, Holder2, Inner2, Holder3, Inner3, Person,
     OutfitItem, Fashionista, Teacher, Parent, Child, Author, Book, Profile,
-    ProfileCollection)
+    ProfileCollection, ParentModelWithCustomPk, ChildModel1, ChildModel2)
 
 
 @override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
@@ -147,6 +147,21 @@ class TestInline(TestCase):
                 '<input id="id_-2-0-name" type="text" class="vTextField" '
                 'name="-2-0-name" maxlength="100" />', html=True)
 
+    def test_custom_pk_shortcut(self):
+        """
+        Ensure that the "View on Site" link is correct for models with a
+        custom primary key field. Bug #18433.
+        """
+        parent = ParentModelWithCustomPk.objects.create(my_own_pk="foo", name="Foo")
+        child1 = ChildModel1.objects.create(my_own_pk="bar", name="Bar", parent=parent)
+        child2 = ChildModel2.objects.create(my_own_pk="baz", name="Baz", parent=parent)
+        response = self.client.get('/admin/admin_inlines/parentmodelwithcustompk/foo/')
+        child1_shortcut = 'r/%s/%s/'%(ContentType.objects.get_for_model(child1).pk, child1.pk)
+        child2_shortcut = 'r/%s/%s/'%(ContentType.objects.get_for_model(child2).pk, child2.pk)
+        self.assertContains(response, child1_shortcut)
+        self.assertContains(response, child2_shortcut)
+
+
 @override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
 class TestInlineMedia(TestCase):
     urls = "regressiontests.admin_inlines.urls"