Ticket #7923: 0001-Add-links-when-using-raw_id_fields-in-admin.patch

django/contrib/admin/widgets.py

@@ -11 +11 @@
 from django.forms.widgets import RadioFieldRenderer
 from django.template.loader import render_to_string
 from django.urls import reverse
+from django.urls.exceptions import NoReverseMatch
 from django.utils import six
 from django.utils.encoding import force_text
 from django.utils.html import (
@@ -194 +195 @@
         key = self.rel.get_related_field().name
         try:
             obj = self.rel.model._default_manager.using(self.db).get(**{key: value})
-            return '&nbsp;<strong>%s</strong>' % escape(Truncator(obj).words(14, truncate='...'))
+            change_url = reverse(
+                '%s:%s_%s_change' % (
+                    self.admin_site.name,
+                    obj._meta.app_label,
+                    obj._meta.object_name.lower(),
+                ),
+                args=(obj.pk,)
+            )
+            return '&nbsp;<strong><a href="%s">%s</a></strong>' % (
+                change_url,
+                escape(Truncator(obj).words(14, truncate='...')),
+            )
+        except NoReverseMatch:
+            # Admin not registered for target model:
+            return '&nbsp;<strong>%s</strong>' % (
+                escape(Truncator(obj).words(14, truncate='...')),
+            )
         except (ValueError, self.rel.model.DoesNotExist):
             return ''
 

tests/admin_widgets/tests.py

@@ -480 +480 @@
             '<input type="text" name="test" value="%(bandpk)s" '
             'class="vForeignKeyRawIdAdminField" />'
             '<a href="/admin_widgets/band/?_to_field=id" class="related-lookup" '
-            'id="lookup_id_test" title="Lookup"></a>&nbsp;<strong>Linkin Park</strong>'
+            'id="lookup_id_test" title="Lookup"></a>&nbsp;<strong>'
+            '<a href="/admin_widgets/band/1/change/">Linkin Park</a></strong>'
             % {'bandpk': band.pk}
         )
 
@@ -500 +501 @@
             'class="vForeignKeyRawIdAdminField" />'
             '<a href="/admin_widgets/inventory/?_to_field=barcode" '
             'class="related-lookup" id="lookup_id_test" title="Lookup"></a>'
-            '&nbsp;<strong>Apple</strong>'
+            '&nbsp;<strong><a href="/admin_widgets/inventory/1/change/">'
+            'Apple</a></strong>'
         )
 
     def test_fk_related_model_not_in_admin(self):
@@ -549 +551 @@
             '<input type="text" name="test" value="93" class="vForeignKeyRawIdAdminField" />'
             '<a href="/admin_widgets/inventory/?_to_field=barcode" '
             'class="related-lookup" id="lookup_id_test" title="Lookup"></a>'
-            '&nbsp;<strong>Hidden</strong>'
+            '&nbsp;<strong><a href="/admin_widgets/inventory/1/change/">'
+            'Hidden</a></strong>'
         )