Add custom thumbnailer

src/pretix/helpers/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-03-20 07:36
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Thumbnail',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('source', models.CharField(max_length=255)),
+                ('size', models.CharField(max_length=255)),
+                ('thumb', models.FileField(upload_to='')),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name='thumbnail',
+            unique_together=set([('source', 'size')]),
+        ),
+    ]