Differential D9768 Diff 31678 films/migrations/0057_unique_collection_slug.py

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				# Generated by Django 3.0.9 on 2020-12-07 11:29

				from django.db import migrations, models
				from django.db.models.query_utils import Q
				import common.upload_paths


				def fill_collection_slugs(apps, schema_editor):
				Collection = apps.get_model('films', 'Collection')
				for collection in Collection.objects.filter(
				Q(slug__isnull=True) \| Q(slug='')
				):
				collection.slug = common.upload_paths.shortuid()
				collection.save(update_fields=['slug'])


				class Migration(migrations.Migration):

				dependencies = [
				('films', '0056_allow_blank_summary'),
				]

				operations = [
				migrations.RunPython(fill_collection_slugs, reverse_code=migrations.RunPython.noop),
				migrations.RemoveConstraint(
				model_name='collection',
				name='unique_slug_per_collection',
				),
				migrations.AlterField(
				model_name='collection',
				name='slug',
				field=models.SlugField(blank=True, default=common.upload_paths.shortuid, unique=True),
				),
				]