Python WTForms:渲染时动态设置值

Python WTForms:渲染时动态设置值,python,flask,wtforms,Python,Flask,Wtforms,我想将“items”设置为变量。如何设置?它显示AttributeError AttributeError:“ProductForm”对象没有属性“items” elif request.method==“GET”: table_object=table_name.query.get_或_404(id) form_value = {} for items, value in table_object.__dict__.items(): print(items)

我想将“items”设置为变量。如何设置?它显示AttributeError AttributeError:“ProductForm”对象没有属性“items”

elif request.method==“GET”: table_object=table_name.query.get_或_404(id)

    form_value = {}
    for items, value in table_object.__dict__.items():
        print(items)
        form.items.data = "table_object.productName"

return render_template('add.html', title=tables, form=form, table_head=table_head)