# 問題5　(v)
###### tags: `Flask`
## InterfaceError

sqlalchemy.exc.InterfaceError: <unprintable InterfaceError object>

:::warning
已解決
---
將 `author=current_user._get_current_object()` 改為`author = current_user.id`

---
`model` 中設定 `author = Int`，但 `current_user._get_current_object()` 會回傳 `帳號：litchiMIAU email：[e-mail]`
:::

### view

@blog.route('/postedit', methods=['GET', 'POST'])
@login_required
def post_edit():
    form = FormBlogPost()
    if form.validate_on_submit():
        post = BlogPost(
            title = form.title.data,
            body = form.body.data,
            category = form.category.data,
            author = current_user._get_current_object(),
            blog = form.blog.data,
            slug = '{}-{}-{}-{}-{}'.format(current_user.id,
                                           datetime.now().year,
                                           datetime.now().month,
                                           datetime.now().day,
                                           slugify(form.title.data))
        )
        print(current_user._get_current_object())
        db.session.add(post)
        db.session.commit()

        return redirect(url_for('blog.post_edit'))
    return render_template('blog/post_edit.html', form=form)