tch*_*ore 2 django validation django-forms
我有一个基本的注册表单,其中包括一个BooleanField供人们接受条款和隐私政策的表格。我想要做的是更改用户不检查时引发的 ValidationError 的语言。
class RegisterForm(forms.Form):
username = forms.CharField(label="Username")
email = forms.EmailField(label="Email")
location = forms.CharField(label="Location",required=False)
headline = forms.CharField(label="Headline",required=False)
password = forms.CharField(widget=forms.PasswordInput,label="Password")
confirm_password = forms.CharField(widget=forms.PasswordInput,label="Confirm Password")
terms = TermsField(label=mark_safe("I have read and understand the <a href='/terms'>Terms of Service</a> and <a href='/privacy'>Privacy Policy</a>."),required=True)
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TermsField子类来自BooleanField:
class TermsField(forms.BooleanField):
"Check that user agreed, return custom message."
def validate(self,value):
if not value:
raise forms.ValidationError('You must agree to the Terms of Service and Privacy Policy to use this site.')
else:
super(TermsField, self).validate(value)
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它可以正确验证,因为如果用户不检查它们的 TermsField 表单不会验证,但它会返回通用的“此字段是必需的”错误。这似乎是一项非常简单的任务,而且我确信我在做一些基本的错误。有任何想法吗?
这是因为 Django 认为该字段是必需的并且没有提供任何值,所以它甚至不会调用您的validate方法(在内置验证之后)。
完成你想要完成的事情的方法是:
class RegisterForm(forms.Form):
# ...other fields
terms = forms.BooleanField(
required=True,
label=mark_safe('I have read and understand the <a href=\'/terms\'>Terms of Service</a> and <a href=\'/privacy\'>Privacy Policy</a>.')
error_messages={'required': 'You must agree to the Terms of Service and Privacy Policy to use Prospr.me.'}
)
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这将覆盖Field.default_error_messages.
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