[reportlab-users] number of pages

[Andy Robinson]

Michael Schulz wrote:
> Hi,
> 
> thanks for your replies. Yeah i think i found the old threat about the 
> "x of y pages" but haven't used forms yet and also realized that this 
> seems only to work with BaseDocTemplate not with SimpleDocTemplate. So I 
> would have to switch to BaseDocTemplate?
Yes.  SimpleDocTemplate is a "getting started" tool
> 
> That's what i tried now:
> Create a new derived SimpleDocTemplate and override the _endBuild method 
> (is that possible here?). Add the proposed code snipplet (3) and add the 
> doForm command to the onFirstPage method of the derived SimpleDocTemplate.
> 
> But i get an error:
> 
> KeyError: "forward reference to 'FormXob.pageCount' not resolved upon 
> final formatting"
> 
> which following the source code is raised when the form is not defined 
> upon saving, so i assume the overriding of endBuild hasn't worked. Hmpf!

Did you call the parent class's _endBuild AFTER or BEFORE your own code?
You'd need to do it after, so that your form is defined before
the document gets saved to disk.

Hope this helps,

Andy