简单的表单无法验证

2024-03-28

我在 stackoverflow 上找到了一种使用信号扩展 django 内置身份验证的方法。我的基本用户由“电子邮件”和密码定义(因此那里没有用户名)。所以我试图根据我的需要修改它,但我的表单出现验证错误。奇怪的是,错误连接到 User.email 字段,即使我现在刚刚注册,我也收到“已在使用中”的消息。是尝试保存两次还是什么?当我将带有数据的字典发送到 shell 中的表单构造函数时,我发现了它:form = MyForm(data={})。此表单仍然无效后,但将电子邮件更改为不同的值最终给了我 True。

user_created 函数连接到注册信号:

def user_created(sender, user, request, **kwargs):
    form = CustomRegistrationForm(request.POST, request.FILES)
    if form.is_valid():
        data = UserProfile(user=user)
        data.is_active = False
        data.first_name = form.cleaned_data['first_name']
        data.last_name = form.cleaned_data['last_name']
        data.street = form.cleaned_data['street']
        data.city = form.cleaned_data['city']
        data.save()
    else:
        return render_to_response('user/data_operations/error.html', {'errors': form._errors}, context_instance=RequestContext(request))

user_registered.connect(user_created)

我的表格:

class CustomRegistrationForm(RegistrationForm):
    first_name = forms.CharField(widget=forms.TextInput(attrs=attrs_dict), max_length=50)
    last_name = forms.CharField(widget=forms.TextInput(attrs=attrs_dict), max_length=50)
    street = forms.CharField(widget=forms.TextInput(attrs=attrs_dict), max_length=50)
    city = forms.CharField(widget=forms.TextInput(attrs=attrs_dict), max_length=50)

我的模型:

class UserProfile(models.Model):
    first_name = models.CharField(_("Name"), max_length=50, blank=False,)
    last_name = models.CharField(_("Last name"), max_length=50, blank=False,)
    street = models.CharField(_("Street"), max_length=50, blank=False,)
    city = models.CharField(_("City"), max_length=50, blank=False,) 
    user = models.ForeignKey(User, unique=True, related_name='profile',)

报名表格 : 类RegistrationForm(forms.Form):

email = forms.EmailField(widget=forms.TextInput(attrs=dict(attrs_dict,
                                                           maxlength=75)),
                         label=_("Adres email"))
password1 = forms.CharField(widget=forms.PasswordInput(attrs=attrs_dict, render_value=False),
                            label=_("Haslo"))
password2 = forms.CharField(widget=forms.PasswordInput(attrs=attrs_dict, render_value=False),
                            label=_("Haslo powtorzone"))

def clean_email(self):
    email = self.cleaned_data.get("email")
    if email and User.objects.filter(email=email).count() > 0:
        raise forms.ValidationError(
            _(u"Already in use."))
    return email

您的“user_registered”信号在用户保存后发送。所以它已经定义了一个“电子邮件”字段。

UPDATE


使用不安的思维:

form = CustomRegistrationForm(request.POST, request.FILES, notvalidateemail=True)

并以形式:

def __init__(self, *args, **kwargs):
    self.notvalidateemail = kwargs.pop('notvalidateemail',False)
    super(CustomRegistrationForm, self).__init__(*args, **kwargs)

def clean_email(self):
    if self.notvalidateemail:
        return
    else:
        #your cleaning here
        return email
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