23 messages in net.sourceforge.lists.plone-developersRe: [Plone-developers] The reinstall ...| From | Sent On | Attachments |
|---|---|---|
| Martin Aspeli | Feb 26, 2009 6:19 pm | |
| Hanno Schlichting | Feb 27, 2009 2:54 am | |
| Martin Aspeli | Feb 27, 2009 2:59 am | |
| Hanno Schlichting | Feb 27, 2009 3:25 am | |
| Martin Aspeli | Feb 27, 2009 3:47 am | |
| Matthew Wilkes | Feb 27, 2009 3:53 am | |
| Ricardo Alves | Feb 27, 2009 4:18 am | |
| Wichert Akkerman | Feb 27, 2009 4:59 am | |
| Hanno Schlichting | Feb 27, 2009 5:09 am | |
| Martin Aspeli | Feb 27, 2009 5:29 am | |
| Daniel Nouri | Feb 27, 2009 5:35 am | |
| Chris Rossi | Feb 27, 2009 6:34 am | |
| Ricardo Alves | Feb 27, 2009 6:39 am | |
| Wichert Akkerman | Feb 27, 2009 7:48 am | |
| Rob Miller | Feb 27, 2009 11:25 am | |
| Maurits van Rees | Feb 28, 2009 2:19 pm | |
| Hanno Schlichting | Mar 14, 2009 8:22 am | |
| Lennart Regebro | Mar 14, 2009 8:42 am | |
| Hanno Schlichting | Mar 14, 2009 9:06 am | |
| Gilles Lenfant | Mar 14, 2009 11:33 am | |
| Martin Aspeli | Mar 14, 2009 11:33 pm | |
| Wichert Akkerman | Mar 14, 2009 11:51 pm | |
| Alexander Limi | Mar 16, 2009 4:47 am |
| Subject: | Re: [Plone-developers] The reinstall button problem | |
|---|---|---|
| From: | Martin Aspeli (opti...@gmail.com) | |
| Date: | Mar 14, 2009 11:33:30 pm | |
| List: | net.sourceforge.lists.plone-developers | |
Hi Hanno,
3. GenericSetup offers upgrade profiles specifically created for the upgrade use-case.
Note that they're not upgrade *profiles*, just upgrade *steps*. You give the name of a callable, and it's called during the upgrade process.
Some people have used that callable to invoke a separate extension profile that does the actual work of upgrading, but this is an implementation detail that may work better in some cases than others.
I think this is a reasonable approach to take for Plone 3.3 even though we have already made a first beta release. I tried to implement the code for this on a branch of Plone today.
What is missing here is clear documentation about how to write those upgrade profiles and what the exact purpose of the metadata.xml version is and when to increase it.
Does this sound reasonable?
+1, but it's Wichert's call.
The sooner we get people used to this, the better.
Martin
-- Author of `Professional Plone Development`, a book for developers who want to work with Plone. See http://martinaspeli.net/plone-book
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