On Mon, Oct 30, 2017 at 3:35 PM, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote: > On 2017-10-30 15:12, Erik Bray wrote: >> >> My point, however, is baked directly into the file format--the pickle >> format is very Python version-dependent (there are I think 5 different >> pickle formats now) > > > It's true that the format has changed, but always in a backward-compatible > way. For basic Python objects (lists, numbers, strings, ...) I'm pretty sure > that old pickles can still be unpickled correctly. The issue is with > user-defined classes.
Right, I could have been more clear about that. But for Sage it's exactly those user-defined classes that matter most. It would be good to have some serious thought/discussion about portable serialization options for Sage objects. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
