[Zope] External Methods

[Shaw, Howard]

Try

> <!--#in sequence -->
>   <td><!--#var pic_key null=""--></td>
>   <td><!--#var "getPic(pic_key)" --></td>
> <!--#/in -->
> 
You can't nest the <!--#var-->'s.
Howard C. Shaw III
Programmer/SysAdmin
St. Thomas High School


> ----------
> From: 	JB[SMTP:jimbag@kw.igs.net]
> Sent: 	Tuesday, March 30, 1999 1:27 PM
> To: 	zope@zope.org
> Subject: 	[Zope] External Methods
> 
> Please excuse my lack of zoping intuition but I hoped someone could
> help
> with this problem. I read all the doc's I could find but seem to be
> missing something. It goes like this...
> I have a ZSQLMethod that returns some tuples. There is a field in the
> tuple which I wish to use to lookup an external file and return a
> jpeg,
> if available.
> I've created an external method called 'getPic' which I wish to pass
> the
> key field to locate the file with but I can't seem to get at the
> variable.
> e.g
> ----------
> <!--#in sequence -->
>   <td><!--#var pic_key null=""--></td>
>   <td><!--#var "getPic( <!--#var pic_key --> )" --></td>
> <!--#/in -->
> ----------
> 
> This doesn't work for reasons not obvious to me.
> 
> I've tried creating a class to handle the records. No go.
> Basically, the External method can't get at the vars defined on each
> loop thru the sequence returnd from the SQLMethod.
> 
> Any insight would be appreciated.
> 
> thanks
> jb
> 
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