[Zope-CMF] GenericSetup: Apply profile dependencies only once

[Maurits van Rees]

Op 10-09-15 om 23:09 schreef Maurits van Rees:
>
> I guess we could add an extra option in the UI, making use of these new
> options.  The user already has the option 'Include dependencies' there,
> default Yes.  An extra option might be 'Apply upgrade steps of already
> applied profiles instead of reapplying them completely', with default
> Yes.  We might then need to make it possible to select all possible
> combinations of what I now made possible.  Danger is that it gets
> confusing for the end user (well, site admin).
>
> Unrelated profiles should be left alone.  Possibly a method
> 'applyAllUpgradeStepsOfAllProfile' could be useful, with a big button on
> the Upgrades tab.  But not in this pull request.
>
>> I would just raise an error if the dependencies are not up to date and
>> ignoring the problem or running upgrades or re-applying profiles is not
>> explicitly specified. If only one option is allowed, why not using one
>> argument? outdated_dependencies=None|ignore|upgrade|reapply
>
> Maybe 'upgrade_strategy=...'  It *does* mean one keyword argument less,
> which can be nice.


I have updated the pull request. See this commit:
https://github.com/zopefoundation/Products.GenericSetup/commit/a8ec44fea23d3222445e49c27b451ce9b180d36f

The result is best shown with a screen shot of the Import tab. It makes 
the strategies available in the ZMI. And it makes it obvious which 
option influences which button, because the original form was unclear.

I am not sure if the screen shot as attachment is visible on the mailing 
list.  If not, then see the pull request at
https://github.com/zopefoundation/Products.GenericSetup/pull/16
or the file directly:
https://cloud.githubusercontent.com/assets/210587/9806576/7c196534-5846-11e5-9fda-47f3cba1bd63.png

I thought I would add a link to my branch on Launchpad, but apparently 
only the master and 1.6 branches are synced, so mine is not visible:
https://code.launchpad.net/zope-genericsetup


-- 
Maurits van Rees: http://maurits.vanrees.org/
Zest Software: http://zestsoftware.nl
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