# Generated by Django 2.1.2 on 2018-11-18 13:42 from django.db import migrations def populate_logo_filename(apps, schema_editor): Sponsor = apps.get_model("sponsors", "Sponsor") for sponsor in Sponsor.objects.all(): sponsor.logo_filename = sponsor.logo.split("/")[-1] sponsor.save() class Migration(migrations.Migration): dependencies = [("sponsors", "0009_sponsor_logo_filename")] operations = [migrations.RunPython(populate_logo_filename)]