Re: Fwd: r23837 - in ATContentTypes/branches/photoimagemerge-branch: adapters interface skins/ATContentTypes

On Tue, 2006-23-05 at 08:41 +0100, Martin Aspeli wrote:
> Bear with me here, but I seem to remember that this doesn't work as you  
> may think:
> 
> photo = zapi.queryAdapter(obj,IScalable,default=None)
> 
> will return None if obj directly provides or its class implements the  
> interface. I believe the better syntax (which also avoids the import of  
> (soon-)deprecated zapi) is:
> 
> photo = IScalable(obj, None)
> 
> ... which is also easier to read. :)

I thought I read someplace that the new zope3.3 local compoennt
(adapter) customization stuff isn't fully realized with IScalable(obj,
None) (so queryAdapter was better) but I could be mistaken.

- Rocky

-- 
Rocky Burt
ServerZen Software -- http://www.serverzen.com
News About The Server (blog) -- http://www.serverzen.net

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