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为django 1.5自定义用户模型子类化django-registration 1.0表单

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django-registration 1.0现在支持django 1.5自定义用户模型 . django-registration文档只有以下FAQ项目:

我正在使用Django 1.5和自定义用户模型;我该如何工作?尽管随django-registration提供的两个内置后端都假设是Django的默认User模型,但基本视图类是故意与用户模型无关的 . 简单地将它们子类化,并为您的自定义用户模型实现逻辑 .

我'm not sure which views I need to subclass and what should go in them. I' ve也注意到django-registration中的 ProfileManager 仍假定一个单独的用户名字段 .

在我的具体情况下,我删除了'用户名'字段,添加了'display_name',并将'email'作为识别字段:

class MyUser(AbstractBaseUser, PermissionsMixin):
    email = models.EmailField(
        verbose_name="Email Address",
        max_length=384,
        unique=True,
        db_index=True,)
    display_name = models.CharField(max_length=128, blank=True)
    date_joined = models.DateTimeField(default=timezone.now)
    is_active = models.BooleanField(default=True)
    is_admin = models.BooleanField(default=False)

    objects = MyUserManager()

    USERNAME_FIELD = 'email'

    def get_full_name(self):
        return self.email

    def get_short_name(self):
        return self.email

    def __unicode__(self):
        return self.email

    def has_perm(self, perm, obj=None):
        return True

    def has_module_perms(self, app_label):
        return True

    @property
    def is_staff(self):
        return self.is_admin

如果没有子类化任何django-registration类,则注册表单的默认呈现会从 User 而不是 MyUser 中提取字段 .

我见过以下SO线程django-registration app and Django 1.5 custom user model,但它没有帮助 .

Update

我注意到RegistrationForm是用'username'字段硬编码的 . FAQ只提到了后端的子类,所以我不确定这里的目的是什么 . 我是否应该对表单进行子类化?

1 回答

  • 1

    部分零件绝对不兼容Django 1.5:https://bitbucket.org/ubernostrum/django-registration/src/8f242e35ef7c004e035e54b4bb093c32bf77c29f/registration/forms.py?at=default#cl-48

    class RegistrationForm(forms.Form):
        # ...
    
        def clean_username(self):
            # ...
            # The line below needs fixing
            existing = User.objects.filter(username__iexact=self.cleaned_data['username'])
            if existing.exists():
                raise forms.ValidationError(_("A user with that username already exists."))
            else:
                return self.cleaned_data['username']
    

    因此,除非这些方法被更改和/或您将它们子类化,否则它将无法工作 .

    对于您的具体情况,此注册表应该可以解决问题:

    from registration import forms as registration_forms
    from django.contrib import auth
    
    class RegistrationForm(registration_forms.RegistrationForm):
        def clean_username(self):
            '''
            Validate that the username is alphanumeric and is not already
            in use.
            '''
            User = auth.get_user_model()
            existing = User.objects.filter(display_name__iexact=self.cleaned_data['username'])
            if existing.exists():
                raise forms.ValidationError(_("A user with that name already exists."))
            else:
                return self.cleaned_data['username']
    

    除了模型上的自定义属性:

    class MyUser(AbstractBaseUser, PermissionsMixin):
        # ...
    
        def get_username(self):
            return self.display_name
    
        def set_username(self, username):
            self.display_name = username
    
        def del_username(self):
            del self.display_name
    
        username = property(get_username, set_username, del_username)
    

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