django-wkhtmltopdf STATIC_URL hack to make static files work on both local and remote hosting.

django-wkhtmltopdf-static-url-hack.py

def render_to_response(self, context, **response_kwargs):
    from django.conf import settings
    STATIC_URL = settings.STATIC_URL
  
    if 'http' not in STATIC_URL:
        # wkhtmltopdf requires full uri to load css
        from urlparse import urlparse
        parsed = urlparse(self.request.META.get('HTTP_REFERER'))
        parsed = '{uri.scheme}://{uri.netloc}'.format(uri=parsed)
        context["STATIC_URL"] = "{}{}".format(parsed, settings.STATIC_URL)
    else:
        context["STATIC_URL"] = settings.STATIC_URL
  
    return PDFTemplateResponse(
        request=self.request,
        template=self.template_name,
        context=context,
        filename='valuation-#{}.pdf'.format(self.object.code),
    )