Moved most form field initial values from forms to settings.

dav_events/forms/generic.py

@@ -1,10 +1,12 @@
 import logging
 from django import forms
+from django.apps import apps
 from django.core.exceptions import ImproperlyConfigured
 
 from .. import converters
 
 logger = logging.getLogger(__name__)
+app_config = apps.get_containing_app_config(__package__)
 
 
 class ChainedForm(forms.Form):
@@ -40,7 +42,12 @@ class ChainedForm(forms.Form):
                 self._session_data[k] = self._deserialize_value(session_data[k])
 
     def _proceed_session_data(self, session_data):
-        pass
+        form_initials = app_config.settings.form_initials.get(self.__class__.__name__, dict())
+        for fieldname in self.fields:
+            if fieldname in form_initials:
+                value = form_initials[fieldname].get_value(session_data)
+                if value is not None:
+                    self.fields[fieldname].initial = value
 
     def _save_session_data(self):
         if self._request is not None and hasattr(self._request, 'session'):