# -*- coding: utf-8 -*- from __future__ import unicode_literals from django.db import migrations def move_from_content_type_user_to_foreign_key_field_user(apps, schema_editor): # The model references the use who checked out the document using a # generic.GenericForeignKey. This migrations changes that to a simpler # ForeignKey to the User model DocumentCheckout = apps.get_model('checkouts', 'DocumentCheckout') for document_checkout in DocumentCheckout.objects.all(): document_checkout.user = document_checkout.user_object document_checkout.save() class Migration(migrations.Migration): dependencies = [ ('checkouts', '0002_documentcheckout_user'), ] operations = [ migrations.RunPython( move_from_content_type_user_to_foreign_key_field_user ), ]