It seems to be a web2py issue: generic view is sanitizing the html to
much, so it is removing needed attributes (align, widht, etc.).
A workaround to bypass generic html sanitization is calling pyfpdf
directly:
def pdf_test():
import os
from gluon.contrib.fpdf import FPDF, HTMLMixin
from gluon.sanitizer import sanitize
filename = '%s/%s.html' % (request.controller,request.function)
html=response.render(filename)
def image_map(path):
if path.startswith('/%s/static/' % request.application):
return os.path.join(request.folder, path.split('/', 2)[2])
return 'http%s://%s%s' % (request.is_https and 's' or '',
request.env.http_host, path)
class MyFPDF(FPDF, HTMLMixin):
pass
pdf = MyFPDF()
pdf.add_page()
# pyfpdf needs some attributes to render the table correctly:
html = sanitize(
html, allowed_attributes={
'a': ['href', 'title'],
'img': ['src', 'alt'],
'blockquote': ['type'],
'td': ['align', 'bgcolor', 'colspan', 'height', 'width'],
'tr': ['bgcolor', 'height', 'width'],
'table': ['border', 'bgcolor', 'height', 'width'],
}, escape=False)
pdf.write_html(html, image_map=image_map)
return XML(pdf.output(dest='S'))
I've made a Pull Request with the fix:
https://github.com/web2py/web2py/pull/447
Best regards
Mariano Reingart
http://www.sistemasagiles.com.ar
http://reingart.blogspot.com
On Wed, May 21, 2014 at 2:04 PM, Carlos Cesar Caballero Díaz
<desarro...@spicm.cfg.sld.cu <mailto:desarro...@spicm.cfg.sld.cu>> wrote:
Thanks Mariano and Carlos, there is a simple code:
controller default.py:
def pdf_test:
return dict(hello="hello")
view default/pdf_test.html:
<body>
<h1>{{=hello}}</h1>
<p>This is a text</p>
<table width="100%">
<thead>
<tr>
<th width="40%">name</th>
<th width="60%">lastame</th>
</tr>
</thead>
<tbody>
<tr>
<td width="40%">pepe</td>
<td width="60%">paco</td>
</tr>
</tbody>
</table>
</body>
"http://localhost:8000/myapp/default/pdf_test.pdf";
<http://localhost:8000/myapp/default/pdf_test.pdf> shows a "Table
column/cell width not specified, unable to continue" error. and
removing the table, return a blank pdf
El 21/05/14 11:33, Mariano Reingart escribió:
Yes, pyfpdf has a basic html parser (based on python stdlib) and
needs some conventions to translate tables to PDF.
Could you make a minimal example to test and debug it?
That way it would be easy to reproduce and see how to adapt the
html to be rendered.
You can look at the documented examples, using <thead> and <th>
tags will help, and you need to specify the total table and cell
widths:
https://code.google.com/p/pyfpdf/wiki/WriteHTML
Best regards,
Mariano Reingart
http://www.sistemasagiles.com.ar
http://reingart.blogspot.com
On Wed, May 21, 2014 at 12:26 PM, Carlos Costa
<yamandu.co...@gmail.com <mailto:yamandu.co...@gmail.com>> wrote:
It uses pyfpdf to convert it.
But there are some restrictions as I remember.
You check it here https://code.google.com/p/pyfpdf/
2014-05-21 12:13 GMT-03:00 Carlos Cesar Caballero Díaz
<desarro...@spicm.cfg.sld.cu
<mailto:desarro...@spicm.cfg.sld.cu>>:
Hi, I need some help, when I call a view with ".pdf" this:
<html>
<head>
<title>Report</title>
</head>
<body>
<table>
<tr>
<td width="50%">name</td>
<td width="50%">pepe</td>
</tr>
</table>
</body>
</html>
or this:
<body>
<table>
<tr>
<td width="50%">name</td>
<td width="50%">pepe</td>
</tr>
</table>
</body>
returns a blank one page pdf. Now if I put the content
before the body tag, it is rendered, but the table
allways throw a
"Table column/cell width not specified, unable to
continue" error.
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