[Twisted-Python] Deferred model

[Hegedus, Matthew S]

Oops, sorry Chris, I did not see your response. My message will surely
displease you. Please disregard since you have already made your case
defending the Twisted archives and opposing a forum.

Matthew

-----Original Message-----
From: Christopher Armstrong [mailto:radix at twistedmatrix.com] 
Sent: Thursday, November 13, 2003 4:04 PM
To: twisted-python at twistedmatrix.com
Subject: Re: [Twisted-Python] Deferred model


On Thu, Nov 13, 2003 at 10:14:16PM +0100, Philippe Lafoucri?re wrote:
> 
> > I'm sure this has been answered a million times before, but here 
> > goes...
> 
> I'm sure too. But I proposed a long time ago (and several times) to 
> use a forum instead of a mailing list...

This is a terrible excuse. Not only do we have our *own* archives:

http://twistedmatrix.com/pipermail/twisted-python 

which, of course, are searchable via google: 

"deferred blocking code site:twistedmatrix.com"

there are *multiple* archives elsewhere that have a built-in search
functionality as well:

http://marc.free.net.ph/list/twisted-python.html

http://news.gmane.org/gmane.comp.python.twisted

I found these with a trivial amount of googling: "twisted-python mailing
list"

Having searchable archives is obviously no reason to switch to a web forum
(ugh), as we have that right now.

> > If you give more detail about what you're trying to do, I'm sure one 
> > of the Twisted gurus can explain what the best approach(es) might 
> > be.
> 
> I thought of using the setUp method of page. I can start the 
> calculation when the page loads, but I don't know what to call (in the 
> callback) when it's done (a wmfactory_xxx ?). I'll check the threading 
> part you gave me. Thank you !

Unfortunately, I don't think there's any special support in Woven to handle
Deferreds from setUp. You can return Deferreds from wmfactory_XXX and Woven
will handle them correctly: it will not finish rendering the page until that
Deferred has fired and the model is ready.

-- 
 Twisted | Christopher Armstrong: International Man of Twistery
  Radix  |          Release Manager,  Twisted Project
---------+           http://radix.twistedmatrix.com/

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