-def download_custom_pdf(request, slug, method='GET'):
-    book = get_object_or_404(models.Book, slug=slug)
-
-    if request.method == method:
-        form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST)
-        if form.is_valid():
-            cust = form.customizations
-            pdf_file = models.get_customized_pdf_path(book, cust)
-
-            if not path.exists(pdf_file):
-                result = async_build_pdf.delay(book.id, cust, pdf_file)
-                result.wait()
-            return AttachmentHttpResponse(file_name=("%s.pdf" % book.slug), file_path=pdf_file, mimetype="application/pdf")
-        else:
-            raise Http404(_('Incorrect customization options for PDF'))
-    else:
-        raise Http404(_('Bad method'))
-
-