views.py 文件源码

def find_random_image(request):
    """
    Randomly get an image and return the relative url
    """
    item = KioskItem.objects.filter(active=True).order_by('?').first()
    if item is None:
        raise Http404("No active kiosk items found")

    response_data = {
        "id": item.id,
        "url": item.image.url,
    }
    return HttpResponse(
        json.dumps(response_data),
        content_type="application/json"
    )