[Zope] "Picture of the day" product

[Tres Seaver]

On Mon, 29 Jan 2001, Timothy Wilson wrote:

> On Mon, 29 Jan 2001, Tres Seaver wrote:
> 
> > > I'd like to grab all instances with a display_date <= today's
> > > date. I can't figure out exactly how to do that in DTML or a
> > > Python Script. Once I have that list of instances, I'll simply
> > > pull off the latest one as you suggested.
> 
> > I don't know where it would be in the book it would be, but
> > I do this something like::
> > 
> >   <dtml-in expr="theCatalog( meta_type='Photo'
> >                            , display_date=ZopeTime()
> >                            , display_date_usage='range:max'
> >                            , sort_on='display_date'
> >                            , sort_order='reverse'
> >                            )">
> > 
> > The expression would be basically the same in a PythonScript::
> > 
> >   return context.theCatalog( meta_type='Photo'
> >                            , display_date=ZopeTime()
> >                            , display_date_usage='range:max'
> >                            , sort_on='display_date'
> >                            , sort_order='reverse'
> >                            )
> 
> Great! The first DTML example works perfectly. The second,
> however, throws up an error. In fact, I have yet to figure out
> how to use ZopeTime() in a PythonScript. Do I have to pass
> anything in? 
> 
> I get:
> 
> Error Type: NameError
> Error Value: ZopeTime
> 
> when I try it.

Oops!  ZopeTime is acquired from the application object;
in a PythonScript, it should be called via the 'context'
binding:

  context.ZopeTime()

> Thanks again. I should have those pictures up in no time.

Great!

Tres.
-- 
===============================================================
Tres Seaver                                tseaver@digicool.com
Digital Creations     "Zope Dealers"       http://www.zope.org