[Zope-CMF] Generic Setup upgrade steps

[yuppie]

Hi!


Godefroid Chapelle wrote:
> I am surprised that `manage_doUpgrades` method of the tool does not 
> check if the step is applicable : AFAICS the `isProposed` method is only 
> used by the ZPT UI.
> 
> I would suggest that `doStep` method of `upgradeStep` class should check 
> applicability or at least that the tool should check before running the 
> step.
> 
> Opinions ?

-1

'isProposed' just gives a recommendation. Sometimes it is useful to 
(re-)run steps that are not proposed. The ZMI page and 
'manage_doUpgrades' intentionally allow to ignore 'isProposed' restrictions.


Cheers,

	Yuppie