fork_app command: Also create admin.py

Otherwise the ModelAdmins aren't discovered.

oscar/core/customisation.py

@@ -35,11 +35,13 @@ def fork_app(app_label, folder_path, logger=None):
     os.mkdir(app_folder_path)
 
     # Create minimum app files
-    logger.info("Creating __init__.py and models.py modules")
+    logger.info("Creating __init__.py, admin.py and models.py modules")
     create_file(os.path.join(app_folder_path, '__init__.py'))
+    create_file(os.path.join(app_folder_path, 'admin.py'),
+                "from oscar.apps.%s.admin import *  # noqa" % app_label)
     create_file(
         os.path.join(app_folder_path, 'models.py'),
-        "from oscar.apps.%s.models import *" % app_label)
+        "from oscar.apps.%s.models import *  # noqa" % app_label)
 
     # Migrations
     source = os.path.join(

tests/unit/core/customisation_tests.py

@@ -41,13 +41,15 @@ def test_creates_init_file(self):
         filepath = os.path.join(self.tmp_folder, 'order', '__init__.py')
         self.assertTrue(os.path.exists(filepath))
 
-    def test_creates_models_file(self):
+    def test_creates_models_and_admin_file(self):
         customisation.fork_app('order', self.tmp_folder)
-        filepath = os.path.join(self.tmp_folder, 'order', 'models.py')
-        self.assertTrue(os.path.exists(filepath))
+        for module in ['models', 'admin']:
+            filepath = os.path.join(self.tmp_folder, 'order', '%s.py' % module)
+            self.assertTrue(os.path.exists(filepath))
 
-        contents = open(filepath).read()
-        self.assertTrue('from oscar.apps.order.models import *' in contents)
+            contents = open(filepath).read()
+            expected_string = 'from oscar.apps.order.%s import *' % module
+            self.assertTrue(expected_string in contents)
 
     def test_copies_in_migrations(self):
         customisation.fork_app('order', self.tmp_folder)