Quoth Guido van Rossum:
As an aside, is it planned that sys.exc_traceback,type and value will start emitting DeprecationWarnings any time soon? [...]
It's hard to put a deprecation warning on these, because they're just module attributes.
This came up a day or two ago in c.l.py too. Bernhard Herzog suggested: What you could do, I think, is turn sys into an instance of a subclass of module and make exc_traceback and friends properties in that new subclass whose get functions simply return the appropriate value from sys.exc_info(). That would actually solve the bug wrt. threading and the get function could also issue a warning. [1] Seems feasible; but also seems to incur a cost for every attribute lookup in sys, and might be a bad precedent for fancy attribute access for modules. [1] <http://groups.google.com/groups?selm=6qn0gp23kr.fsf%40salmakis.intevation.de> -- Steven Taschuk Aral: "Confusion to the enemy, boy." staschuk@telusplanet.net Mark: "Turn-about is fair play, sir." -- _Mirror Dance_, Lois McMaster Bujold