# Generated by Django 2.1.15 on 2020-07-01 13:42 from django.db import migrations from users.managers import RoleManager STUDENT_4Y_ISBN = '978-3-0355-1397-4' TEACHER_1Y_ISBN = '978-3-0355-1823-8' def add_isbn_to_license(apps, schema_editor): License = apps.get_model('users', 'License') for existing_license in License.objects.all(): if existing_license.for_role.key == RoleManager.TEACHER_KEY: existing_license.isbn = TEACHER_1Y_ISBN else: existing_license.isbn = STUDENT_4Y_ISBN existing_license.save() class Migration(migrations.Migration): dependencies = [ ('users', '0021_license_isbn'), ] operations = [ migrations.RunPython(add_isbn_to_license, migrations.RunPython.noop), ]