Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> writes: > (By the way, I have to question the design of an exception with error > codes. That seems pretty poor design to me. Normally the exception *type* > acts as equivalent to an error code.)
Have a look at Python's built-in OSError. The various errors from the operating system can only be distinguished by the numeric code the OS returns, so that's what to test on in one's unit tests. -- \ “In the long run, the utility of all non-Free software | `\ approaches zero. All non-Free software is a dead end.” —Mark | _o__) Pilgrim, 2006 | Ben Finney -- http://mail.python.org/mailman/listinfo/python-list
