django – pisa : adding images to PDF output

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I got the images working. the code is as follows:

from django.http import HttpResponse
from django.template.loader import render_to_string
from django.template import RequestContext
from django.conf import settings
import ho.pisa as pisa
import cStringIO as StringIO
import cgi
import os

def dm_monthly(request, year, month):
    html  = render_to_string('reports/dmmonthly.html', { 'pagesize' : 'A4', }, context_instance=RequestContext(request))
    result = StringIO.StringIO()
    pdf = pisa.pisaDocument(StringIO.StringIO(html.encode("UTF-8")), dest=result, link_callback=fetch_resources )
    if not pdf.err:
        return HttpResponse(result.getvalue(), mimetype="application/pdf")
    return HttpResponse('Gremlins ate your pdf! %s' % cgi.escape(html))

def fetch_resources(uri, rel):
    path = os.path.join(settings.MEDIA_ROOT, uri.replace(settings.MEDIA_URL, ""))

    return path

This was taken liberally from http://groups.google.com/group/xhtml2pdf/browse_thread/thread/4cf4e5e0f4c99f55

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