# Generated by Django 2.0.2 on 2018-02-05 16:15 from django.db import migrations from django.contrib.contenttypes.models import ContentType def fwrd_func(apps, schema_editor): CourseComment = apps.get_model('course', 'CourseComment') LessonComment = apps.get_model('course', 'LessonComment') db_alias = schema_editor.connection.alias if CourseComment.objects.using(db_alias).all().exists(): coursecomment_content_type = ContentType.objects.get( app_label='course', model='coursecomment', ) CourseComment.objects.using(db_alias).all().update( polymorphic_ctype=coursecomment_content_type, ) if LessonComment.objects.using(db_alias).all().exists(): lessoncomment_content_type = ContentType.objects.get( app_label='course', model='lessoncomment', ) LessonComment.objects.using(db_alias).all().update( polymorphic_ctype=lessoncomment_content_type, ) class Migration(migrations.Migration): dependencies = [ ('course', '0021_auto_20180205_1559'), ] operations = [ migrations.RunPython(fwrd_func) ]