def __init__(self, record, type, title, timestamp=None,
            text=None, unit=None, unit_short=None):
        self.record = record
        self.type = type
        self.title = title
        self.timestamp = timestamp
        self.text = text
        self.unit = unit
        self.unit_short = unit_short


set = Set(title=title, record=record.id, text=text, unit=unit, unit_short=unit_short)