Martin Aspeli wrote,

> I am creating a zope 3 style product with this and it seems like there are
>> no setup handlers to manage a reinstall of a product.  Is this correct?  I
>> have methods registered in the "import_steps.xml" file, but haven't figured
>> out how to register handlers for before the local utility is reinstalled.
>>
>
> What do you want to do with a custom handler?
>

I wanted to grab the info in the local utility before it was uninstalled and
set the values back on install.

Martin Aspeli wrote,

> I think the problem is in Products.GenericSetup.components - in
> _initUtilities it does
>
>             elif factory is not None:
>                self.context.registerUtility(factory(), provided, name)
>
> without first checking of a utility with this name for this interface
> already exists.
>

This is not the problem.  I stepped through the code and at this point, the
component is no longer registered.  I'll post to zope-cmf and see what I
come up with.  Thanks

On Fri, Jun 13, 2008 at 5:25 PM, Martin Aspeli <[EMAIL PROTECTED]> wrote:

> Nathan Van Gheem wrote:
>
>> Certainly someone else has come across this issue.  Is this just a
>> limitation of local utilities?  The utility is registered and work fine.  I
>> can restart the server and the data is still there.  It is just on reinstall
>> that I lose it.  The probably is that it re-creates the tool.
>>
>
> I think the problem is in Products.GenericSetup.components - in
> _initUtilities it does
>
>             elif factory is not None:
>                self.context.registerUtility(factory(), provided, name)
>
> without first checking of a utility with this name for this interface
> already exists.
>
> I'd say that by default, it should not overwrite utilities like that,
> though perhaps there should be a purge="true" option on the <utility />
> statement to get this behaviour if required.
>
> Perhaps a post to zope-cmf about this?
>
>
> Martin
>
> --
> Author of `Professional Plone Development`, a book for developers who
> want to work with Plone. See http://martinaspeli.net/plone-book
>
>
> _______________________________________________
> Product-Developers mailing list
> [email protected]
> http://lists.plone.org/mailman/listinfo/product-developers
>
_______________________________________________
Product-Developers mailing list
[email protected]
http://lists.plone.org/mailman/listinfo/product-developers

Reply via email to