[Zope] Sort a list with ZPT

hans hans@beehive.de
Mon, 03 Jun 2002 15:22:39 +0100


Nico de Boer wrote:

> Hi all,
>
> I want to sort my objectValues('News') at date_add, the date that the
> News objects were added.
>
> I have written a python method to do this:
>
>     def list_peers(self, sortkey='id'):
>         """returns a listing of peer news objects sorted on sortkey"""
>         itemlist = []
>         for item in self.REQUEST['PARENTS'][1].objectValues('GNAW'):
>             itemlist.append(
>                 (getattr(item,sortkey),item)
>                 )
>         itemlist.sort()
>         return itemlist
>
> I can give the sortkey as an argument to the method.
>
> Now I want to implement this in ZPT as follows:
>
> <div tal:define="itemlist python:here.list_peers()">
> <div tal:repeat="item itemlist">
>     <a href="#"
>     tal:attributes="href item/absolute_url"
>     tal:content="item/title">Title news</a> </div>
> </div>
>
> But this doesn't work. What am I doing wrong?

maybe
<div tal:define="itemlist python:here.list_peers(id='date_add')">
?
--
-------------------------------------------------------------
Who's got only a hammer sees the world as a nail
hans augustin  (software developer)           hans@beehive.de
beehive elektronische medien GmbH       http://www.beehive.de
phone: +49 30 847-82 0                  fax: +49 30 847-82 299