@classmethod
    def change_db(cls, dbname):
        setattr(cls, 'db', staticmethod(lambda: Db(dbname)))
Return the key to be used in external maps for this object
dataset/ETHPy150Open mekarpeles/waltz/waltz/__init__.py/User.change_db--crossover with--dataset/ETHPy150Open perseas/Pyrseas/pyrseas/dbobject/__init__.py/DbObject.extern_key