[Zope] Sequences and SQL

[Sean McMains]

I, Sean McMains, hereby promise to try EVERY STINKING THING with and without
quotes before I bug the list again.

Thanks, Michel! :) That worked beautifully.

Sean

> -----Original Message-----
> From:	Michel Pelletier [SMTP:michel@digicool.com]
> Sent:	Tuesday, July 20, 1999 11:07 AM
> To:	McMains, Sean [RICH4:2V64:EXCH]; 'zope@zope.org'
> Subject:	RE: [Zope] Sequences and SQL
> 
> 
> 
> > -----Original Message-----
> > From: Sean McMains [mailto:smcmains@nortelnetworks.com]
> > Sent: Tuesday, July 20, 1999 11:57 AM
> > To: 'zope@zope.org'
> > Subject: [Zope] Sequences and SQL
> > 
> > 
> > Ok, now that I can get data into a database, I'm working on 
> > getting it out
> > again. A simple table works fine, but I'd like to add alternate-line
> > shading. This is what I'm trying:
> > 
> > <!--#in getData-->
> > <!--#if "sequence-even"-->
> > ...
> 
> It's those quotes again, man.  This time you *don't* need them.
> 
> Quotes cause Zope to *evaluate* a Python expression.  In this case,
> 'sequence-even' looks to Python like 'sequence minus even'.
> 
> What you want is just <!--#if sequence-even-->.  Or, if you want to
> access that value in an expression, try <!--#if "_['sequence-even']"-->.
> The '_' namespace can act like a mapping to all of these DTML variables
> that are illegal in python expressions.
> 
> -Michel
> 
> > shaded line code
> > ...
> > <!--#else-->
> > ...
> > unshaded line code
> > ...
> > <!--#/if-->
> > 
> > I can submit this to Zope no problem, but when I go to view 
> > the page, I get
> > the standard error message with this in the source:
> > 
> > <!--
> >  Error type:  
> >  Error value: sequence
> >  -->
> > 
> > The error is generated by the line with the IF statement, as 
> > I've verified
> > by changing to to test a different expression. I expect that 
> > I'm bumping
> > into something syntactical, but can't figure out how to fix 
> > it! Help from
> > you more experienced Zopers is appreciated.
> > 
> > Thanks,
> > Sean McMains
> > 
> > _______________________________________________
> > Zope maillist  -  Zope@zope.org
> > http://www.zope.org/mailman/listinfo/zope
> > 
> > (For developer-specific issues, use the companion list,
> > zope-dev@zope.org - http://www.zope.org/mailman/listinfo/zope-dev )
> > 
> 
> _______________________________________________
> Zope maillist  -  Zope@zope.org
> http://www.zope.org/mailman/listinfo/zope
> 
> (For developer-specific issues, use the companion list,
> zope-dev@zope.org - http://www.zope.org/mailman/listinfo/zope-dev )