db.py 文件源码

def create_server(dbtype=None):
    if dbtype in (None, 'sqlite3', 'sqlite'):
        return SqliteMemoryDB()
    if dbtype in ('mysql', 'MySQLdb'):
        return MysqlDB()
    if dbtype in ('psycopg2', 'postgres'):
        return PostgresDB()
    pytest.skip('Unknown dbtype: %s' % dbtype)