Convert the data migration to a Django migration

edxval/migrations/0001_initial.py

@@ -6,28 +6,6 @@ import django.core.validators
 import edxval.models
 
 
-def forwards_default_profiles(apps, schema_editor):
-    """ Add default profiles """
-    Profile = apps.get_model("edxval", "Profile")
-    db_alias = schema_editor.connection.alias
-    Profile.objects.using(db_alias).bulk_create([
-        Profile(profile_name="desktop_mp4"),
-        Profile(profile_name="desktop_webm"),
-        Profile(profile_name="mobile_high"),
-        Profile(profile_name="mobile_low"),
-        Profile(profile_name="youtube"),
-    ])
-
-
-def reverse_default_profiles(apps, schema_editor):
-    """ Remove default profiles """
-    Profile = apps.get_model("edxval", "Profile")
-    db_alias = schema_editor.connection.alias
-    Profile.objects.using(db_alias).filter(
-        profile_name__in=["desktop_mp4", "desktop_webm", "mobile_high", "mobile_low", "youtube"]
-    ).delete()
-
-
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -106,5 +84,4 @@ class Migration(migrations.Migration):
             name='coursevideo',
             unique_together=set([('course_id', 'video')]),
         ),
-        migrations.RunPython(forwards_default_profiles, reverse_default_profiles, atomic=False),
     ]

edxval/migrations/0002_data__default_profiles.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+DEFAULT_PROFILES = [
+    "desktop_mp4",
+    "desktop_webm",
+    "mobile_high",
+    "mobile_low",
+    "youtube",
+]
+
+
+def create_default_profiles(apps, schema_editor):
+    """ Add default profiles """
+    Profile = apps.get_model("edxval", "Profile")
+    db_alias = schema_editor.connection.alias
+    for profile in DEFAULT_PROFILES:
+        Profile.objects.using(db_alias).get_or_create(profile_name=profile)
+
+
+def delete_default_profiles(apps, schema_editor):
+    """ Remove default profiles """
+    Profile = apps.get_model("edxval", "Profile")
+    db_alias = schema_editor.connection.alias
+    Profile.objects.using(db_alias).filter(profile_name__in=DEFAULT_PROFILES).delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('edxval', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RunPython(create_default_profiles, delete_default_profiles),
+    ]