[Zope-dev] Request typing (to get the xmlrpc layer discussion finished)

[Janko Hauser]

Am 17.12.2007 um 15:40 schrieb Jim Fulton:

>
> On Dec 17, 2007, at 8:22 AM, Christian Zagrodnick wrote:
>
>> Hi,
>>
>> a couple of weeks ago there was some discussion about the skin/ 
>> layer support for XML-RPC which I implemented without asking  
>> (shame on me). As some time has passed now everybody could have  
>> some fresh thoughts about it.
>>
>>
>> Let me first summarise:
>>
>> * Skin and layers should be seen as typing the request.
>>
>> * There are no general objections against having layers for XML-RPC.
>
>
> I have a general objection for reasons of complexity.  Why do we  
> need this?

About the specifics with skins for other protocols than http I can  
not say much.

> In fact, I find skins in general to introduce more complexity than  
> they're worth.

This baffles me somewhat. At the moment I see skins/layers as the  
only mechanism to let developers using an application to customize  
it, possibly more than once in the same instance. I find them not  
optimal, because they only allow customizing on the outer most level.  
But overrides is a failure as I understand it. I understand, that  
there is a trend to distinguish between "libraries" (with less zcml)  
and "applications" (with zcml to configure reused libraries). But on  
the level of applications I know of no other mechanism than layers.

So what should be used or invented instead? As a usecase take a forum  
application which should be installed more than once in an instance  
but needs different layouts and also different subset of functionality.

With regards,

__Janko

-- 
Janko Hauser  email:  jhauser at zscout.de
               mobile: +49 1721 641552


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