formset有效，但表單沒有屬性cleared_data！

Question

好的，所以我有一個有效的formset。但給了我一個錯誤在於，形成有沒有屬性cleaned_data ..

老實說，我完全不知道發生了什麼事..
我想我的終端代碼，並返回一個空字典..沒有錯誤..

形式：

class Clinical(forms.Form): 
    _names = list(ClinicalForm.objects.values_list('form_id', 'form_name')) 
    _names.append(("New", u'Nova entrada')) 

    cliform_name = forms.ChoiceField(widget=RadioSelect(), choices=_names, label 
     ="", required=True) 

觀點：

ClinicalSet = formset_factory(Clinical, extra=2) 

formset2 = ClinicalSet(request.POST) 
if formset2.is_valid(): 
    choice1 = formset2.cleaned_data 
    return render_to_response('valid_test.html', 
           { 
            'formset2': formset2, 
            'wrongs1': wrongs1, 
            'choice1': choice1 
            }) 
else: 
    formset2 = ClinicalSet() 
return render_to_response('valid_test.html', 
          { 
           'formset2': formset2, 
           'wrongs1': wrongs1, 
           })  

模板：

<form method="post" action=""> 
<div> 
{{ formset2.management_form }} 
    {% for form in formset2.forms %} 
     {{ form }} 
    {% endfor %} 
    <input type="submit" value="save" /> 
</div> 

如果我評論在cleaned_data被稱爲（選擇1）行，我沒有收到任何錯誤，我能看到的形式..
如果我選擇一些選項和去掉這一行，它的工作原理..

我有一個類似的formset：both forms in formset need to be selected和這一個工程..

其工作原理是在第一表單集（上面鏈接）的形式。崗位參數：

form-0-pres_name 1 
form-1-pres_name 2 
form-INITIAL_FORMS 0 
form-TOTAL_FORMS 2 

用戶選擇每個窗體一個選項，他重定向到另一個觀點（這一個 - formset2）。

任何幫助都更受歡迎..

Answer 1

formset_factory返回一個迭代器的形式，即基本形式的列表，它不是一個形式本身。 cleaned_data只是形式，所以你必須遍歷formset2：

for form in formset2: 
    form.cleaned_data # Here I am! 

Answer 2

如果有人需要，這裏有我的觀點做了修改：

ClinicalSet = formset_factory(Clinical, extra=tamanh) 

#size of this list will determine number of forms 
wrongs = iter(wrong) 
formset = ClinicalSet(request.POST) 
dic = {} 
if formset.is_valid(): 
    if len(request.POST.keys()) == 0: 
     return render_to_response('valid.html', 
             { 
              'formset': formset, 
              'wrongs': wrongs }) 
    else: 
     #+ 2 because of TOTAL_FORMS and MAX_NUM_FORMS 
     if len(request.POST.keys()) != len(wrongs) + 2: 
      msg = "You have to select something in all forms!!" 
      return render_to_response('valid.html', 
              { 
               'formset': formset, 
               'wrongs': wrongs, 
               'msg': msg }) 
     else: 
      for n in range(tamanh): 
       #result post into a dictionary, since cleaned_data doesn't work 
       dic[wrongs.next()] = request.POST['form-' + str(n) + '-cliform_name'] 
       return HttpResponseRedirect(reverse('valid2', args=[word])) 
    else: 
     formset = ClinicalSet() 
    return render_to_response('valid.html', 
           { 
            'formset': formset, 
            'wrongs': wrongs, 
            'msg': msg 
            })