Dear Raphael,

Thank you very much for this! I will look at it soon.

Best
Torsten

--
Torsten Anders
Interdisciplinary Centre for Computer Music Research
University of Plymouth
Office: +44-1752-586219
Private: +44-1752-558917
http://strasheela.sourceforge.net
http://www.torsten-anders.de





On Mar 8, 2009, at 10:03 AM, Raphael Collet wrote:

Dear Torsten,

I checked in a change in the svn trunk of Mozart. Can you give it a try? I personally tested it with the Oz Minesweeper applet, which was still in the former pickle format, and it worked :-)

If testing succeeds, I will include it in the maintenance branch, and maybe push for a Mozart 1.4.1 release.

Cheers,
raph

On Tue, Mar 3, 2009 at 12:20 PM, Torsten Anders <[email protected]> wrote:
Dear Raphael,


On Mar 3, 2009, at 10:00 AM, Raphael Collet wrote:
I had a look at the changes between releases. The only change in the pickle format is its extension to pickle failed values. The other changes simply reflect the reorganization of the internal class hierarchy of values, they do not affect the format itself.

I will give it a try soon (probably during the weekend). If it works, I will commit it to the svn trunk, and ask people to test it. If testing is successful, I will call for a minor release of Mozart (1.4.1).

Thank you very much indeed! You are actually suggesting more than I even hoped for :)

Best
Torsten



Cheers,
raph

On Tue, Mar 3, 2009 at 10:33 AM, Raphael Collet <[email protected]> wrote: Yes, this is exactly what I am suggesting. I don't pretend that it is possible for all former pickler versions. But I think that backward compatibility with version 3#3 of the pickler (Mozart 1.3.x) is feasible.

This requires a careful review of the diff between both versions of the pickler. This is not an easy task, since that part of Mozart is quite low-level and a bit obscure (to me at least). And one must make sure that the compatibility test only applies to pickles.

Cheers,
raph



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