[Twisted-web] OT: ajax in zope3

Donovan Preston dp at ulaluma.com
Thu Jul 21 02:14:24 MDT 2005

On Jul 20, 2005, at 4:26 PM, Siegmund Fuehringer wrote:

> hi!
> there is a thread on the Z3labs-lists about how ajax for zope might  
> look
> like.
> http://lists.nuxeo.com/pipermail/z3lab/2005-July/thread.html#550
> i didn't read every message, but it doesn't look like there is much
> consensus.
> maybe fzZzy should advertise livepage to them.

Perhaps. LivePage doesn't really sound too much like anything that is  
being discussed there. LivePage is two-way asynchronous JavaScript/ 
Python RPC; that's all. Client-side Javascript event handlers use  
XMLHttpRequest to route an event (such as onclick) to the server,  
where a Python event handler is located and invoked. The result is  
sent back to the browser and evaluated as Javascript.

There's not really any XML involved, unless you count XHTML embedded  
in Javascript strings; it's debatable whether the XML really belongs  
in the Asynchronous Javascript And Xml technique anyway. Neither are  
there any libraries for doing drag and drop or fading colors or  
simulating "classes" in a language that doesn't need them, like those  
other Javascript libraries have.

So, until Zope 3 is hosted on a twisted.web server instead of the  
homegrown HTTP server it uses, I don't think LivePage has much to  
contribute to this discussion, other than suggesting a useful  
implementation technique for creating interactive web applications.


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