Re: [ZODB-Dev] RFC: Attempts at Python2-compatible pickles cause unpicklable objects

2013-06-12 Thread Tres Seaver
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On 06/08/2013 02:03 AM, Tres Seaver wrote:

 One point to consider is that anybody who has been using ZODB on Py3k 
 since the beta will have to do surgeery on their filestorages to get
 them to load after that change (the code doesn't make any attempt to
 determine if the magic number is later;  it just checks for an exact
 match).  I don't want to make the wait, we have five users, we can't
 take out the tab requirement mistake here:  anybody for whom this
 would be a hardship needs to speak up pretty quickly.

I merged the 'issue_10' branch to trunk and released ZODB 4.0.0b3
yesterday.  Today I found (as I expected) that I couldn't open the
database I created last week under Py3k after updating.

Am I the only person affected?  Or do we need to add fallback code to
permit opening a filestorage with an older magic number in read-only
mode?  In my case, the data is all test stuff, so I can just blow it away
and recreate it.


Tres.
- -- 
===
Tres Seaver  +1 540-429-0999  tsea...@palladion.com
Palladion Software   Excellence by Designhttp://palladion.com
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Re: [ZODB-Dev] RFC: Attempts at Python2-compatible pickles cause unpicklable objects

2013-06-12 Thread Stephan Richter
On Wednesday, June 12, 2013 01:23:35 PM Tres Seaver wrote:
 Am I the only person affected?  Or do we need to add fallback code to
 permit opening a filestorage with an older magic number in read-only
 mode?  In my case, the data is all test stuff, so I can just blow it away
 and recreate it.

We are only testing too and can always easily recreate our ZODBs. I think 
nobody should expect that sort of stability from a beta.

Thanks for your consistent work on this.

Regards,
Stephan
-- 
Entrepreneur and Software Geek
Google me. Zope Stephan Richter
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