def validate_handle(self, field):
if not (self.instance and self.instance.handle == field.data):
try:
MeetingType.select().get(handle=field.data)
raise ValidationError('A meeting type with the same handle '
'already exists')
except MeetingType.DoesNotExist:
pass
def meeting_types():
meeting_types = MeetingType.select().order_by('id')
return {
'meeting_types': meeting_types,
}
def value_labels(self):
return {i.handle: i.name for i in MeetingType.select()}
def valid_values(self):
return [i.handle for i in MeetingType.select()]