[reportlab-users] Newby-question: Cannot initialize Table-objects

[Robin Becker]

Joost Behrends wrote:

> Hi,

> 

> i will use reportlab in our small enterprise

> dealing historical picture postcards. A lot 

> of work is done with my software - that means

> i need a lot of tables.

> 

> The code of that software is fully portable and shall stay so.

> I'd strongly like to make all printing (including

> invoices etc. as e-mail attachments) through reportlab.

> end enjoyed my first experiences with the canvas. 

> Everything worked from the first moment on -

> and exactly as described in the documentation. Seems

> to be great software - thanks for that.

> 

> But getting to tables, i do not get them 

> initialized correctly. Here is a very reduced

> example for isolating the problem:

> 

> from reportlab.pdfgen import canvas

> from reportlab.platypus import Table

> 

> atb = (('Hamburg', 'Germany', '1,760,322'),

>        ('Paris', 'France', '9,644,507'),

>        ('London', 'England', '8.278.251'))

> 

> def drawTb(larg):

>     cnv = canvas.Canvas('C:\\tmp\\tb.pdf', 

>                          pagesize = (595.27, 841.89))

>     tbOnPage = Table(larg)

>     tbOnPage.drawOn(cnv, 0, 0)

>     cnv.showPage()

>     cnv.save()

> drawTb(atb)

> 

> This produces:

> 

.......
Table is a flowable and needs to be wrapped to determine the size. 
Normally this is done by the doctemplate layout mechanism, but you're 
not using that. Try using

tw, th = tbOnPage.wrapOn(cnv, 595.27, 841.89 )
prior to doing the drawOn
-- 
Robin Becker