[Product-Developers] Re: Problem installing products with viewlets.xml in default profile in upgraded site

[Emanuel Sartor]

Alex,

Thanks for your reply! I upgraded the site to Plone 3.1.4 and the problem
persists. I'm moving this thread to product-developers in case someone
could give me some clues there.


Alex Clark wrote:

> Hi Emmanuel,
> 
> Hmmm, first, I would upgrade to Plone 3.1.4 to make sure this "problem"
> has not been fixed already. Then if it persists I would ask again on
> product-developers. While your question is not strictly about product
> development, it may received more attention, and would not be strictly
> off-topic there.
> 
> HTH,
> 
> Alex
> 
> On 2008-07-25, Emanuel Sartor <emanuel at menttes.com> wrote:
>> Hi all,
>>
>> First of all, I'm using Plone 3.1.1 and the site was upgraded from Plone
>> 2.5 a while back.
>>
>> I'm running into a problem to install 3rd party products in a heavily
>> customized Plone site. Well, I only noticed the problem with products
>> that have a viewlets.xml in the default GS profile. Whenever I try to
>> install the product I get a traceback like the one I'm pasting at the
>> bottom of this e-mail.
>>
>> I added 'import pdb; pdb.set_trace()' in zope.component._api, line 207,
>> in getUtility and went step by step and I got this:
>>
>> parts/zope2/lib/python/zope/app/component/hooks.py(80)getSiteManager()
>> -> if context is None:
>> (Pdb) l
>>  75         """A special hook for getting the site manager.
>>  76
>>  77         Here we take the currently set site into account to find the
>> appropriate
>>  78         site manager.
>>  79         """
>>  80  ->     if context is None:
>>  81             return siteinfo.sm
>>  82
>>  83         # We remove the security proxy because there's no way for
>>  84         # untrusted code to get at it without it being proxied again.
>>  85
>> (Pdb) siteinfo.sm
>><BaseGlobalComponents base>
>> (Pdb)
>>
>> On the other hand, if I install the same product in a default Plone site
>> and go step by step when pdb prompts, I get <PersistentComponents
>> /trees/test> for 'siteinfo.sm'.
>>
>> So, looks to me that for some reason the local components registry is
>> skipped in the site bringing about the ComponentLookupError. I don't
>> understand how the 'sm' attribute is properly set in one case and not in
>> the other. Any ideas on this?
>>
>> I would appreciate If someone could give me a clue on what is going on
>> here and/or how to fix it.
>>
>> Thanks in advance,
>> Emanuel
>>
>>
>> Traceback (innermost last):
>>
>>     * Module ZPublisher.Publish, line 119, in publish
>>     * Module ZPublisher.mapply, line 88, in mapply
>>     * Module ZPublisher.Publish, line 42, in call_object
>>     * Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 574,
>>     in
>> installProducts
>>     * Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 511,
>>     in
>> installProduct
>>       __traceback_info__: ('PloneBookmarklets',)
>>     * Module Products.GenericSetup.tool, line 390, in
>> runAllImportStepsFromProfile
>>       __traceback_info__: profile-Products.PloneBookmarklets:default
>>     * Module Products.GenericSetup.tool, line 1179, in
>> _runImportStepsFromContext
>>     * Module Products.GenericSetup.tool, line 1093, in _doRunImportStep
>>       __traceback_info__: viewlets
>>     * Module plone.app.viewletmanager.exportimport.storage, line 17, in
>> importViewletSettingsStorage
>>     * Module zope.component._api, line 207, in getUtility
>>
>> ComponentLookupError: (<InterfaceClass
>> plone.app.viewletmanager.interfaces.IViewletSettingsStorage>, '')
>>
>>
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> 
>