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List: zope-cmf
Subject: [Zope-CMF] Re: PersistentComponents: wrapped or not?
From: Hanno Schlichting <plone () hannosch ! info>
Date: 2007-03-14 11:30:40
Message-ID: 45F7DCE0.7050405 () hannosch ! info
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Hi,
yuppie wrote:
> Apparently I'm missing something because this doesn't make much sense to
> me:
>
> ComponentRegistryXMLAdapterTests use
> z.c.persistentregistry.PersistentComponents. These tests register
> wrapped tools, the registry returns them with their original wrapper.
>
> If I add transaction.commit(), I get a TypeError: "Can't pickle objects
> in acquisition wrappers."
>
> This is what I'd expect.
Me too.
> But:
>
> Importing componentregistry.xml in CMF, wrapped tools are registered as
> well. No error in that case, but unless re-wrapped by
> five.localsitemanager's PersistentComponents, the registry returns
> unwrapped tools.
>
> Any idea what's different in the second case? Why does registerUtility()
> work in that case, removing the wrapper without raising an error?
Actually I don't know why this works at all and I think it is a bug. We
should probably add an aq_base to the registerUtility call in the
handler to make sure we are not going to be screwed later on with some
obscure bugs.
Hanno
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