Adds sub-module makemigrations to override django's 'makemigrations'

command

New 'makemigrations' is a proxy for 'makemigrations_translation', it's
role is only to override django's own command and skip any
wagtailcore_page migrations caused by translation. Adding this to it's
own submodule makes this override optional for the user. The original
Django 'makemigrations' command is available by running
'makemigrations_original'

runtests.py

@@ -53,6 +53,7 @@ def runtests():
                 'wagtail.contrib.settings',
                 'wagtail.contrib.wagtailapi',
 
+                'wagtail_modeltranslation.makemigrations',
                 'wagtail_modeltranslation',
             ),
             # remove wagtailcore from serialization as translation columns have not been created at this point

wagtail_modeltranslation/makemigrations/__init__.py

@@ -0,0 +1,3 @@
+# coding: utf-8
+
+default_app_config = 'wagtail_modeltranslation.makemigrations.apps.MakemigrationsConfig'

wagtail_modeltranslation/makemigrations/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class MakemigrationsConfig(AppConfig):
+    name = 'wagtail_modeltranslation.makemigrations'
+    label = 'wagtail_modeltranslation_makemigrations'
+    verbose_name = "Wagtail Modeltranslation makemigrations"

wagtail_modeltranslation/makemigrations/management/commands/makemigrations.py

@@ -0,0 +1,5 @@
+from wagtail_modeltranslation.management.commands.makemigrations_translation import Command as MakeMigrationsCommand
+
+
+class Command(MakeMigrationsCommand):
+    pass

wagtail_modeltranslation/makemigrations/management/commands/makemigrations_original.py

@@ -0,0 +1,5 @@
+from django.core.management.commands.makemigrations import Command as MakeMigrationsCommand
+
+
+class Command(MakeMigrationsCommand):
+    pass

wagtail_modeltranslation/tests/tests.py

@@ -88,7 +88,7 @@ class WagtailModeltranslationTransactionTestBase(TransactionTestCase):
 
                 # 5. makemigrations
                 from django.db import connections, DEFAULT_DB_ALIAS
-                call_command('makemigrations_translation', verbosity=2, interactive=False,
+                call_command('makemigrations', verbosity=2, interactive=False,
                              database=connections[DEFAULT_DB_ALIAS].alias)
 
                 # 6. Syncdb