Increase maximum filename size of FileFields

src/pretix/base/migrations/0086_auto_20180320_1219.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-03-20 12:19
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+import pretix.base.models.invoices
+import pretix.base.models.orders
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0085_auto_20180312_1119'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='cachedcombinedticket',
+            name='file',
+            field=models.FileField(blank=True, max_length=255, null=True, upload_to=pretix.base.models.orders.cachedcombinedticket_name),
+        ),
+        migrations.AlterField(
+            model_name='cachedticket',
+            name='file',
+            field=models.FileField(blank=True, max_length=255, null=True, upload_to=pretix.base.models.orders.cachedticket_name),
+        ),
+        migrations.AlterField(
+            model_name='invoice',
+            name='file',
+            field=models.FileField(blank=True, max_length=255, null=True, upload_to=pretix.base.models.invoices.invoice_filename),
+        ),
+        migrations.AlterField(
+            model_name='question',
+            name='identifier',
+            field=models.CharField(help_text='You can enter any value here to make it easier to match the data with other sources. If you do not input one, we will generate one automatically.', max_length=190, verbose_name='Internal identifier'),
+        ),
+        migrations.AlterField(
+            model_name='questionanswer',
+            name='file',
+            field=models.FileField(blank=True, max_length=255, null=True, upload_to=pretix.base.models.orders.answerfile_name),
+        ),
+    ]

src/pretix/base/models/invoices.py

@@ -84,7 +84,7 @@ class Invoice(models.Model):
     foreign_currency_rate = models.DecimalField(decimal_places=4, max_digits=10, null=True, blank=True)
     foreign_currency_rate_date = models.DateField(null=True, blank=True)
 
-    file = models.FileField(null=True, blank=True, upload_to=invoice_filename)
+    file = models.FileField(null=True, blank=True, upload_to=invoice_filename, max_length=255)
     internal_reference = models.TextField(blank=True)
 
     @staticmethod

src/pretix/base/models/orders.py

@@ -471,7 +471,8 @@ class QuestionAnswer(models.Model):
     )
     answer = models.TextField()
     file = models.FileField(
-        null=True, blank=True, upload_to=answerfile_name
+        null=True, blank=True, upload_to=answerfile_name,
+        max_length=255
     )
 
     @property
@@ -969,7 +970,7 @@ class CachedTicket(models.Model):
     provider = models.CharField(max_length=255)
     type = models.CharField(max_length=255)
     extension = models.CharField(max_length=255)
-    file = models.FileField(null=True, blank=True, upload_to=cachedticket_name)
+    file = models.FileField(null=True, blank=True, upload_to=cachedticket_name, max_length=255)
     created = models.DateTimeField(auto_now_add=True)
 
 
@@ -978,7 +979,7 @@ class CachedCombinedTicket(models.Model):
     provider = models.CharField(max_length=255)
     type = models.CharField(max_length=255)
     extension = models.CharField(max_length=255)
-    file = models.FileField(null=True, blank=True, upload_to=cachedcombinedticket_name)
+    file = models.FileField(null=True, blank=True, upload_to=cachedcombinedticket_name, max_length=255)
     created = models.DateTimeField(auto_now_add=True)