python API 和 脚本中的database 函数定义是不一样的，

python API中定义方法如下：

db1 = s.database(dbName='db1', partitionType=keys.VALUE, partitions=dates)

db2 = s.database(dbName='db2', partitionType=keys.HASH, partitions=[keys.DT_SYMBOL, 10])

db = s.database(dbName='mydb', partitionType=keys.COMPO, partitions=[db1, db2], dbPath=dbPath)