BIG UPD: migrate to python 3.10 and django 3.2

dav_registration/migrations/0011_auto_20220607_1345.py

@@ -0,0 +1,30 @@
+# Generated by Django 3.2.13 on 2022-06-07 11:45
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dav_events', '0042_auto_20220607_1345'),
+        ('dav_registration', '0010_registration_apply_reduced_fee'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='registration',
+            name='event',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='registrations', to='dav_events.event'),
+        ),
+        migrations.AlterField(
+            model_name='registration',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='registrationstatus',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+    ]

dav_registration/models.py

@@ -6,7 +6,6 @@ from django.core.exceptions import ValidationError
 from django.db import models
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
 from dav_base.validators import DAVNumberValidator
@@ -19,9 +18,8 @@ logger = logging.getLogger(__name__)
 midnight = datetime.time(00, 00, 00)
 
 
-@python_2_unicode_compatible
 class Registration(models.Model):
-    event = models.ForeignKey(Event, related_name='registrations')
+    event = models.ForeignKey(Event, related_name='registrations', on_delete=models.PROTECT)
     created_at = models.DateTimeField(auto_now_add=True)
 
     personal_names = models.CharField(max_length=1024,
@@ -219,11 +217,11 @@ Anmerkung:
         return timezone.make_aware(datetime.datetime.combine(purge_date, midnight))
 
 
-@python_2_unicode_compatible
 class RegistrationStatus(models.Model):
     registration = models.OneToOneField(Registration, on_delete=models.CASCADE, related_name='status')
     updated_at = models.DateTimeField(auto_now=True)
     answered = models.BooleanField(_('Durch Tourleitung beantwortet'), default=False)
+    # TODO: NullBooleanField is marked deprecated
     accepted = models.NullBooleanField(_('Zusage erteilt'))
 
     class Meta:

dav_registration/urls.py

@@ -2,6 +2,8 @@ from django.conf.urls import url
 
 from . import views
 
+app_name = 'dav_registration'
+
 urlpatterns = [
     url(r'^$', views.RootView.as_view(), name='root'),
     url(r'^finished', views.RegistrationSuccessView.as_view(), name='registered'),