old_contents: import StringIO
  from django.http import HttpResponse
  
  # Mixin that will change a class based view to render as PDF
  #
  # Dependencies:
  #    - reportlab
  #    - html5lib
  #    - pisa
  #
  class PDFMixin(object):
  
      def render_to_response(self, context, **response_kwargs):
          import ho.pisa as pisa
          response = super(PDFMixin, self).render_to_response(context, **response_kwargs)
          
          # do the actual rendering
          response.render()
  
          # and get the content
          result = StringIO.StringIO()
              
          # now render with pisa as PDF
          pdf = pisa.pisaDocument(StringIO.StringIO(response.rendered_content.encode("ISO-8859-1")), result)
          if not pdf.err:
              return HttpResponse(result.getvalue(), mimetype='application/pdf')
          return HttpResponse('We had some errors<pre>%s</pre>' % escape(html))
  
new_contents: import StringIO
  from django.http import HttpResponse
  from django.conf import settings
  import os
  
  # Mixin that will change a class based view to render as PDF
  #
  # Dependencies:
  #    - reportlab
  #    - html5lib
  #    - pisa
  #
  class PDFMixin(object):
  
      def render_to_response(self, context, **response_kwargs):
          import ho.pisa as pisa
          response = super(PDFMixin, self).render_to_response(context, **response_kwargs)
          
          # do the actual rendering
          response.render()
  
          # and get the content
          result = StringIO.StringIO()
              
          # now render with pisa as PDF
          pdf = pisa.pisaDocument(StringIO.StringIO(response.rendered_content.encode("ISO-8859-1")), result, link_callback=fetch_resource)
          if not pdf.err:
              return HttpResponse(result.getvalue(), mimetype='application/pdf')
          return HttpResponse('We had some errors<pre>%s</pre>' % escape(html))
  
  def fetch_resource(uri, rel):
      path = os.path.join(settings.STATICFILES_DIRS[0], uri.replace(settings.STATIC_URL, ""))
      return path
  
  
subject: tweak to pdf rendering to allow rendering of images