[Twisted-Python] Woven application, objects not collected.

[Syver Enstad]

Jp Calderone <exarkun at intarweb.us> writes:

> On Tue, Nov 25, 2003 at 02:56:26PM +0100, Syver Enstad wrote:
> > Pseudo code:
> > class Page:
> >    def initialize(self, ...):
> >        self._deferred = defer.succeed([1, 2, 3])
> > 
> >    def wmfactory_oneTwoThree(self, request):
> >        return self._deferred
> > 
> 

Hi Jp. It seems that changing the wmfactory_method to do:

        def wmfactory_oneTwoThree(self, request):
            deferred = defer.Deferred()
            self._deferred.chainDeferred(deferred)
            return deferred

Does the trick.


>   Presumably at some later point you will have a line like
> "self._deferred.callback(value)".  Immediately after this (actually,
> before
> 
> is preferable, how is left as an exercise for the reader), you
> should "self._deferred = None".  The cycle will be broken and the
> garbage will be collectable.

-- 

Syver Enstad