On Wednesday, August 19, 2020 at 5:24:48 AM UTC-7, Paul Leopardi wrote: > > See also > https://groups.google.com/g/sage-support/c/3WKui-LojKs/m/DgEPBGF3AQAJ and > https://trac.sagemath.org/ticket/28444 > > On Wednesday, 19 August 2020 at 22:17:40 UTC+10 Paul Leopardi wrote: > >> Hello, >> I am currently trying to convert my Boolean-Cayley-graphs project from >> Python 2 to Python 3 Sage. >> https://github.com/penguian/Boolean-Cayley-graphs/tree/23-port-to-python-3 >> >> I have succeeded in converting the code, but am having a tough time >> trying to load objects that were saved by my previous Python 2-based code. >> These objects contain matrices as members.What do I need to do to be able >> to load these objects? >> >> As far as I can tell, load(...,encoding='latin-1') doesn't work with a >> dict containing a matrix but load(...,encoding='bytes') does. See the >> attachment. >> Thanks! >> > Yes, we know how to fix it and it's not complicated: if "bytes" is expected in a pickle and a "str" is found, we should assume it represents the bytes-object via latin-1. It's come up in matrices elsewhere and we should just make this change. We've already determined that "encoding='bytes'" is a lot harder to get to work.
Please open a ticket. Fixing this should save a LOT of pickles. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/017828a5-9275-463f-aa14-852ec95b3a9do%40googlegroups.com.
