Brett Cannon wrote: > > > On Tue, Mar 3, 2009 at 17:30, Eric Smith <e...@trueblade.com > <mailto:e...@trueblade.com>> wrote: > > We need a really long lead time before we can remove these. I > recommend starting with a *silent* deprecation in 3.1 combined > with a > PR offensive for the new names. > > > I think the old names basically have to live forever in some way, > due to loading old pickles. Remember the problems we had when we > tried to restructure the library in 2.6? > > > Forever is a long time. =) If we keep the PendingDeprecationWarning for > a long time and really get the word out of the renames then people can > migrate their pickles over time. The real problem with the 2.6 reorg was > that people didn't want to have zero lead time to update their pickles > and they way the transition was being handled. In this case the old > names and simply subclass the new names and have no issues with old code. > There's also no reason why someone couldn't write a pickle updater for when such problems do rear their ugly heads.
regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/ _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
