[Zope-CMF] GenericSetup fails to import site structure

[Roché Compaan]

On Sun, 2006-11-26 at 09:45 +0200, Roché Compaan wrote:
> Hi there
> 
> I'm trying to convert a CustomizationPolicy to a GenericSetup extension
> profile for one of our products. I've got it working mostly except for
> importing the site structure. One class fails to adapt to
> IFileSystemImporter:
> 
>   Module Products.CMFCore.exportimport.content, line 44, in
> importSiteStructure
>   Module Products.CMFCore.exportimport.content, line 183, in import_
>   Module zope.interface.interface, line 682, in __call__
> TypeError: ('Could not adapt', <ClientFolder at /bika3/clients>,
> <InterfaceClass Products.GenericSetup.interfaces.IFilesystemImporter>)
> 
> The "ClientFolder" subclasses BrowserDefaultMixin, UniqueObject and
> BaseBTreeFolder. I looked at other CMF classes and zcml and couldn't
> find anything special that makes them adaptable to IFilesystemImporter.
> The other odd thing is if I create the class in the ZMI programmatically
> the export doesn't fail. I would have expected it to fail since the same
> adapter is used on export.
> 
> What must I do to get this class to import? Any help would be greatly
> appreciated.

Looks like ATContentTypes have StructureFolderWalkingAdapter registered
as an adapter, where bases classes from the Archetypes package doesn't.
Sorry for the noise.

-- 
Roché Compaan
Upfront Systems                   http://www.upfrontsystems.co.za