# This is necessary because model forms store changes to self.instance in their clean method.
# Mutter mutter.
value = self.instance.value
- self._cached_value_ct = self.instance.value_content_type
+ self._cached_value_ct_id = self.instance.value_content_type_id
self._cached_value = value
# If there is a value, pull in its fields.
def save(self, *args, **kwargs):
# At this point, the cleaned_data has already been stored on self.instance.
- if self.instance.value_content_type != self._cached_value_ct:
+ if self.instance.value_content_type_id != self._cached_value_ct_id:
# The value content type has changed. Clear the old value, if there was one.
if self._cached_value:
self._cached_value.delete()
# Now create a new value instance so that on next instantiation, the form will
# know what fields to add.
- if self.instance.value_content_type is not None:
- self.instance.value = self.instance.value_content_type.model_class().objects.create()
+ if self.instance.value_content_type_id is not None:
+ self.instance.value = ContentType.objects.get_for_id(self.instance.value_content_type_id).model_class().objects.create()
elif self.instance.value is not None:
# The value content type is the same, but one of the value fields has changed.