def update_neume_head_shape(request, page_id): if request.method == 'POST': id = str(request.POST.get('id')) head_shape = str(request.POST.get('shape')) try: ulx = str(request.POST['ulx']) uly = str(request.POST['uly']) lrx = str(request.POST['lrx']) lry = str(request.POST['lry']) except KeyError: ulx = uly = lrx = lry = None p = get_object_or_404(Page, pk=page_id) fname = p.get_job_path(j, 'mei') md = ModifyDocument(fname) md.update_neume_head_shape(id, head_shape, ulx, uly, lrx, lry) md.write_doc() return {}