[reportlab-users] Return a file object rather than save afile...

[Brower Jason]

Don't worry about web2py. Unless you want to use a cool web framework. :D
I can return the object as a streamable item.  And the web2py part is working properly.
But I don't think I am doing the pdf generation properly.
Here are the important bits...

def create_report():
    from reportlab.pdfgen.canvas import Canvas
    from reportlab.lib.pagesizes import A4, landscape
    from reportlab.lib.units import cm, mm, pica
    from reportlab.platypus import Paragraph, SimpleDocTemplate, Spacer
    from reportlab.lib.styles import getSampleStyleSheet
    from reportlab.graphics.shapes import Drawing 
    from reportlab.graphics.charts.barcharts import VerticalBarChart
    import StringIO
    output = StringIO.StringIO()
    #My programming bits...
    pdf.showPage()
    pdf.save()
    return response.stream(output,chunk_size=64*1024)

Somehow I need to make the save work with the output and I am am just to know with this file object stuff to know what to do.
Regards,
Jason Brower


-----Original Message-----
From: reportlab-users-bounces at lists2.reportlab.com [mailto:reportlab-users-bounces at lists2.reportlab.com] On Behalf Of Andy Robinson
Sent: 02/10/2009 11:04
To: For users of Reportlab open source software
Subject: Re: [reportlab-users] Return a file object rather than save afile...

2009/10/2 Brower Jason <Jason.Brower at kone.com>:

> After a look through the main documentation I found section 2.2 and it

> shoulds how to open a file like object and insert a pdf into that.  But I

> would like to have just the file object itself to return as a downloadable

> stream. (I am using web2py)


I am not familiar with web2py, but if there is some kind of file-like
response object you can write to, then pass that to the Canvas
constructor.   Alternatively, create a StringIO object (which is
file-like) and use that.

Best Regards,

Andy Robinson
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