# Generated by Django 2.1.3 on 2018-11-20 20:04 import json from django.db import migrations def combine_channel_names(apps, schema_editor): Channel = apps.get_model("api", "Channel") for channel in Channel.objects.filter(kind="sms"): if channel.value.startswith("{"): doc = json.loads(channel.value) channel.name = doc.get("label", "") channel.save() class Migration(migrations.Migration): dependencies = [("api", "0043_channel_name")] operations = [migrations.RunPython(combine_channel_names)]