[Zope-CMF] Re: Five's local sitemanager, CMF, etc

Tres Seaver tseaver at palladion.com
Fri Feb 23 09:04:26 EST 2007

Hash: SHA1

yuppie wrote:
> Hi!
> Tres Seaver wrote:
>> yuppie wrote:
>>> Jens Vagelpohl wrote:
>>>> On 23 Feb 2007, at 00:39, Rocky wrote:
>>>>> So... what's next?
>>>> Figuring out how to deal with existing sites that need to be modified on 
>>>> the fly somehow so they don't break completely.
>>> I propose to hardcode PortalObjectBase as IObjectManagerSite. AFAICS 
>>> getSiteManager() could create a component registry on the fly if 
>>> necessary. So for that part we would neither need the new code in 
>>> importVarious nor migration code.
>> Hmm, I won't quibble about "migration code". +1.
> Ok. I can have a closer look at this part.

I just meant that "creating a component registry on th fly" sounded
suspiciously like "migration code" to me.

>>> For registering the tools as utilities you still need to run the 
>>> componentregistry import step. I would not use on-the-fly magic for that 
>>> part, I think people should do that explicitly.
>> If the code which *used* to work using 'getToolByName' now breaks beofre
>> that step is done, then we have a problem.  If there is a clear, simple
>> step to perform after upgrade, then we should be OK.
>> E.g., we might tell folks to do something like:
>>  $ ./bin/zopectl run Products/CMFCore/scripts/updateSites foo bar/baz
>> To upgrade the 'foo', and 'bar/baz' site objects.  I see no benefit to
>> trying to do any migration from within the ZMI here.
> I'll leave that part to someone else.

The script would something like the attached file:  I'm not up on the
details of what would need to be done, but I have used the skeleton a
fair bit.

- --
Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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