def set_vendor(self, vendor):
        self.__vendor = vendor
list databases in a databaseinfra
dataset/ETHPy150Open exosite-labs/pyonep/pyonep/portals/endpoints.py/Endpoints.set_vendor--crossover with--dataset/ETHPy150Open globocom/database-as-a-service/dbaas/drivers/mysqldb.py/MySQL.list_databases