[Twisted-web] Redirect with deferred

[Tommi Virtanen]

Vicky Lupien wrote:

>      I have a little problem.  I have a deferred and I want to 
> redirect after the defered is done.  But it seems that my page is 
> rendered and my redirect is never done.  Can someone help me.

...

> class HousesQuickSearch(pagelib.QuebecPage, sqlQueries):
>
>     def render_content(self, context, data):
>     request = context.locate(inevow.IRequest)
>          def _(data):
>         print data
>                 ses = request.getSession()
>                 self.houseSR = sessions.ISessionPrefs(ses).get('houseSR')
>                 sessions.ISessionPrefs(ses).set(self.houseSR[0], data)
>                 sessions.ISessionPrefs(ses).set(self.houseSR[4], 0)
>                 lengthPage = 
> sessions.ISessionPrefs(ses).get(self.houseSR[2])
>                 widthPage = 
> sessions.ISessionPrefs(ses).get(self.houseSR[3])
>                 currentPage, pageBatchItems = self.nextPage(data, 
> lengthPage, widthPage, 0)
>                 sessions.ISessionPrefs(ses).set(self.houseSR[4], 
> currentPage)
>                 sessions.ISessionPrefs(ses).set(self.houseSR[1], 
> pageBatchItems)
>                 dir = '/'.join(['', '/'.join(request.prepath[0:-1]), 
> "search", "results"])
>                 #this is not done
>         return request.redirect(dir)
>
>          conditions = " where 1"
>     if request.args.get('plan_number')[0]:
>                 conditions += " and 
> plan_number='"+str(request.args.get('plan_number')[0])+"'"
>                 sql = self.getHouseSearchResultsInfo(conditions)
>                dbpool = 
> request.getSession().guard.resource.portal.realm.dbpool
>                 searchResults = dbpool.runQueryDict(sql)
>                 searchResults.addCallback(_)

Your indentation seems to be really all over the place, I'm assuming
your "return request.redirect(dir)" is inside def _. Try adding a
"return searchResults" at the bottom of render_content.