[reportlab-users] doc.build empties "story"

[Tim Roberts]

Michael Hipp wrote:

> I've been doing this sort of thing forever:

>

>          doc = SimpleDocTemplate(self.output, pagesize=page_size,

>                                  showBoundary=boundary)

>          doc.build(self.story)

>

> self.story is a python list. But what has started happening is that after that 

> 'build' call the story is empty. All items have been removed - an empty list. I 

> don't ever remember it doing that before. Is this expected behavior?


Yes.  doctemplate.build consumes the items in that list and does not
exit until the list is empty.  See doctemplate.py, handle_flowable:
        f = flowables[0]
        del flowables[0]

-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.