sqlalchemy中的DBAPI连接调用之前的事件

Question

根据文档，直接在调用DBAPI connect方法之后立即调用sqlalchemy中的checkout事件：

  

This event allows one to capture the point directly after which the DBAPI module-level .connect() method has been used in order to produce a new DBAPI connection.

是否在调用DBAPI .connect()方法之前触发了事件？