misc: increase allowed size for exceptions URL (#20067)

chrono/agendas/migrations/0023_auto_20171202_1835.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agendas', '0022_auto_20171202_1828'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='desk',
+            name='timeperiod_exceptions_remote_url',
+            field=models.URLField(max_length=500, verbose_name='URL to fetch time period exceptions from', blank=True),
+        ),
+    ]

chrono/agendas/models.py

@@ -364,8 +364,9 @@ class Desk(models.Model):
     agenda = models.ForeignKey(Agenda)
     label = models.CharField(_('Label'), max_length=150)
     slug = models.SlugField(_('Identifier'), max_length=160)
-    timeperiod_exceptions_remote_url = models.URLField(_('URL to fetch time period exceptions from'),
-                                    blank=True)
+    timeperiod_exceptions_remote_url = models.URLField(
+            _('URL to fetch time period exceptions from'),
+            blank=True, max_length=500)
 
     def __unicode__(self):
         return self.label