On Fri, 12 Oct 2012 06:42:03 -0400 Neal Becker <ndbeck...@gmail.com> wrote:
> I wonder if there is a recommended approach to handle this issue. > > Suppose objects of a class C are serialized using python standard pickling. > Later, suppose class C is changed, perhaps by adding a data member and a new > constructor argument. > > It would see the pickling protocol does not directly provide for this - but > is > there a recommended method? > > I could imagine that a class could include a class __version__ property that > might be useful - although I would further expect that it would not have been > defined in the original version of class C (but only as an afterthought when > it > became necessary). > > -- > http://mail.python.org/mailman/listinfo/python-list i guess a easy answer is to say to try python 3.3 but how would this translate in python (2) code ? -- http://mail.python.org/mailman/listinfo/python-list