def get_or_none(cls, mail_log_id):
mail_log = database.get_or_none("mail_log", mail_log_id)
if mail_log:
mail_log = cls.from_flat(mail_log)
return mail_log
def get_or_none(cls, person_id):
person = database.get_or_none("person", person_id)
if person:
person = cls.from_flat(person)
return person