[Zope] Setting object properties

[Kevin Dangoor]

-----Original Message-----
From: Victor Ng <v2ng@home.com>
To: zope@zope.org <zope@zope.org>
Date: Tuesday, August 31, 1999 10:28 PM
Subject: [Zope] Setting object properties


>I think this is a general problem I'm having with Zope - but anyway...
>
>I'm using the ZClasses Tutorial with the CDClass and I'm having
>problems trying to set the properties of the object.  The result set gives
>me the 'old' artist value that I used when I first added the myCD object.
>
><P>CD Info:</P>
><dtml-call "myCD.manage_changeProperties({'artist':'Victor Ng'})">
><dtml-with myCD>
> <p>Title: <dtml-var title></P>
> <P>Artist: <dtml-var artist></P>
> <P>Description: <dtml-var description html_quote newline_to_br></P>
></dtml-with>

This is normal. The new property value isn't really set until the whole
transaction has completed, which is after the DTML Method is done.

>More generally, is there a facility in Zope so that I can create variables
>in the DTML document that are _not_ properties of the DTML document?   I
>just want to create a temporary local variable that I can assign things
>to, and then toss out.

There are two ways...
<dtml-call "REQUEST.set('variable', 'value')">

or

<dtml-let variable=value>
...some commands...
</dtml-let>

Kevin