def update_images(request): """ Rereads the images from :param request: :return: """ Image.objects.all().delete() files = os.listdir('images') files = [f for f in files if f[-3:] == 'png'] for f in files: image = Image() image.filename = 'images/%s' % f image.save() return HttpResponse("Update images (Count: %d)" % len(files))