db.auth_user.username.requires.insert(0, MyStrangeRequirement()) is the same of
db.auth_user.username.requires = [MyStrangeRequirement(), IS_NOT_EMPTY(), IS_NOT_IN_DB(..)] MyStrangeRequirement() is your custom validator. db.table.field.requires is a list of validators, so you can use "insert" method of list. -- Bruno Rocha [http://rochacbruno.com.br]
