django - int() 参数必须是字符串或数字，而不是 'SimpleLazyObject'

Question

我收到了错误消息，

TypeError at /save/ int() argument must be a string or a number, not 'SimpleLazyObject'

在执行以下表单时。

---

View .py

def bookmark_save_page(request):
    if request.method == 'POST':
        form = BookmarkSaveForm(request.POST)
        if form.is_valid():
            # create or get link
            link, dummy = Link.objects.get_or_create(
                    url = form.cleaned_data['url']
                    )
            # create or get bookmark
            bookmark, created = Bookmark.objects.get_or_create(
                    user=request.user,
                    link=link
                    )
            # update bookmarks title
            bookmarks.title = form.cleaned_data['title']
            # if the bookmark is being updated, clear old tag list.
            if not created:
                bookmark.tag_set.clear()
            # create new tag list
            tag_names = form.cleaned_data['tags'].split()
            for tag_name in tag_names:
                tag, dummy = Tag.objects.get_or_create(name=tag_name)
                bookmark.tag_set.add(tag)
            # save bookmark to database.
            bookmark.save()
            return HttpResponseRedirect(
                    '/user/%s/' % request.user.username
                    )
    else:
        form = BookmarkSaveForm()
    variables = RequestContext(request, {
        'form': form
    })
    return render_to_response('bookmark_save.html', variables)

---

我以为我出错了，因为我在

传递了链接

bookmark, created = Bookmark.objects.get_or_create(
                    user=request.user,
                    link=link
                    )

但我不知道如何修复它。 我该如何解决？

Answer 1

可能的原因是您正在设置 user = request.user，其中 request.user 不是真正的 User 对象，而是一个 SimpleLazyObject 实例。参见 django: Purpose of django.utils.functional.SimpleLazyObject?了解更多详情，但使用 request.user.id 应该可以解决您的问题。