我真的不知道還能做什麼,只是來這裏問問你們。繼承人的情況:在django中驗證表單的問題
models.py
class Vote(models.Model):
""" Generic vote model """
user = models.ForeignKey(User)
question = models.ForeignKey(Question)
created = models.DateTimeField(auto_now_add=True)
objects = models.Manager()
cache = CacheVoteManager()
class Meta:
abstract = True
def __unicode__(self):
return '%s : %s' % (self.user.username, self.question.question)
class OptionVote(Vote):
option = models.ForeignKey(Option)
forms.py
class OptionChoiceField(forms.ModelChoiceField):
""" Custom model choice field for options """
widget = forms.RadioSelect(attrs={'class': 'c-opt'})
def label_from_instance(self, obj):
return mark_safe(
'<span class="c-opt-img">%s</span><span class="c-opt-name">%s</span>'
% (obj.media_content.draw_create_widget() , obj.name))
class OptionVoteForm(ModelForm):
""" Form to vote in a option-based question """
option = OptionChoiceField(queryset=OptionVote.objects.none(),
empty_label=None)
class Meta:
model = OptionVote
exclude = ['user', 'question']
def __init__(self, options=None, *args, **kwargs):
super(OptionVoteForm, self).__init__(*args, **kwargs)
if options:
self.fields['option'].queryset = options
views.py
form = OptionVoteForm(request.POST)
form.is_valid()
>> FALSE!!!!!!!!!!!!!!!
我試圖看到的形式和存在的錯誤似乎沒有人。我在窗體的乾淨方法上放了一些標誌,並且不會被調用。 Sames適用於OptionChoiceField中的乾淨方法。
視圖下面的代碼
print 'PRINTING ERRORS: ' + str(form.errors)
for field in form:
print str(field.label_tag()) + ': ' + str(field.errors)
回報:
PRINTING ERRORS:
<label for="id_option_0">Option</label>:
請幫我在這裏,i'm reaaally停留在這一個。
編輯 當我嘗試做
form = OptionVoteForm(request.POST)
print form
我得到以下錯誤:
Exception Type: AttributeError
Exception Value: 'QueryDict' object has no attribute 'all'
ExceptionLocation: /opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/forms/models.py in __iter__, line 882
哦,順便說一句和,I'm使用Django 1.3
您是否在form.is_valid()之後嘗試過使用form.errors? – 2011-05-13 20:06:30
是的,請檢查'PRINTING ERRORS'聲明。這就是所謂的如果form.is_valid():... else:[here] – fceruti 2011-05-13 20:08:47
如果您在'form = OptionVoteForm(request.POST)'後面執行'print form',您會看到什麼樣的輸出' – 2011-05-13 20:25:27