UPD: more registration staff on dav_events.

dav_events/forms/__init__.py

@@ -1,2 +1,3 @@
 from . import generic
 from . import events
+from . import participant

dav_events/forms/participant.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+from django import forms
+
+from ..models import Participant
+
+
+class ParticipantForm(forms.ModelForm):
+    class Meta:
+        model = Participant
+        exclude = ['event', 'created_at', 'position', 'purge_at']
+        widgets = {
+            'emergency_contact': forms.Textarea(attrs={'rows': 4}),
+            'experience': forms.Textarea(attrs={'rows': 5}),
+            'note': forms.Textarea(attrs={'rows': 5}),
+        }