first django site-ms word/pdf files

[homayoon_hashemi]

def download_course(request, id):
course = Courses.objects.get(pk = id)
path_to_file = get_path_to_course_download(course)

response = HttpResponse(mimetype='application/force-download')
response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(file_name)
response['X-Sendfile'] = smart_str(path_to_file)
return response

Where get_path_to_course_download returns the location of the download in the file system (ex: /path/to/where/handle_uploaded_files/saves/files/the_file.doc)