R: [Python-Dev] Deprecating string exceptions (original) (raw)

Barry A. Warsaw barry@zope.com
Wed, 27 Mar 2002 23:35:06 -0500

"MvL" == Martin v Loewis <martin@v.loewis.de> writes:

MvL> Also, I believe that using your class Z as an exception class
MvL> should not be supported: a "proper" exception should not just
MvL> merely inherit from Exception - it should have Exception as
MvL> its only root class (Z has both object and Exception as root
MvL> classes).

Can you explain why you think the rule should be so strict? I don't see a problem with using multiple inheritance to satisfy the "must derive" rule.

-Barry