[ZODB-Dev] ZODB 3.3 alpha 3 released

Kapil Thangavelu hazmat at objectrealms.net
Sun Apr 18 04:17:50 EDT 2004


could some with permissions on zope.org pls fix the workflow on this..
as a logged in member to zope.org i get an insufficient privileges
redirect when trying to go to 

http://zope.org/Products/ZODB3.3/

although attaching /folder_contents to the url seems to work fine...

-k

On Sat, 2004-04-17 at 14:02, Jeremy Hylton wrote:
> I'm pleased to announce the release of ZODB2 3.3 alpha 3. This release
> includes support for new-style persistent classes and multi-version
> concurrency control. It's an alpha release, so we could use feedback on
> the new features and helping testing them.
> 
> The 3.3a3 release requires Python 2.3. It contains the code that is
> slated to be in Zope 2.8.  This version of ZODB supports Zope 2 and Zope
> 3.
> 
> You can download a source tarball or Windows installer from
> http://zope.org/Products/ZODB3.3
> 
> This release contains a lot of changes and improvements since the
> previous alpha releases.  The transaction API and implementation have
> been overhauled and the persistence API has seen some changes to
> accommodate Zope 3.  New features include persistent weak references, an
> add() method for ZODB connections, and explicit transaction manager
> objects.
> 
> The news file lists the changes in more detail:
> http://zope.org/Products/ZODB3.3/NEWS.html
> 
> The new features in 3.3 represent major changes to ZODB. Support for
> new-style classes means that ZODB programmers can use the new class
> features introduced in Python 2.2, like properties and descriptors. It
> also means that ZODB no longer uses ExtensionClass, which caused many
> subtle incompatibilities with other classes.
> 
> The multi-version concurrency control feature represents the end of read
> conflicts. If a transaction encounters a conflict, it reads older
> revisions of the object rather than raising a ReadConflictError. This
> feature allows read-only transactions to see a consistent view of the
> database without need to handle read conflicts and restart the
> transaction.
> 
> I'd also like to include a personal note:  This is the last ZODB release
> that I will be actively involved in.  I will be starting a new job next
> month at Google in New York City.  I've enjoyed working with everyone in
> the ZODB and Zope communities; I'll be looking forward to the ZODB 3.3
> final release along with you.
> 
> Enjoy!
> 
> -- Jeremy Hylton <http://www.python.org/~jeremy/>
> 
> 
> _______________________________________________
> For more information about ZODB, see the ZODB Wiki:
> http://www.zope.org/Wikis/ZODB/
> 
> ZODB-Dev mailing list  -  ZODB-Dev at zope.org
> http://mail.zope.org/mailman/listinfo/zodb-dev
> 




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