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I'm using Django 1.2.4. I have a model that has a field that needs to be validated. When validation fails, I'd like to display a custom error message to the user. Model editing is done in the admin interface.
This is what I'm doing currently:
def clean_fields(self, exclude=None):
# do validation
if problem:
raise ValidationError({'field_name': "error message"})
Unfortunately, all this does is print out a separate validation message on the admin page for each character in the value of field_name.
What is the proper way to signal the error message I want?
538
To create such an error, you can raise a ValidationError from the clean() method. For example: from django import forms from django. core.
To change the admin site header text, login page, and the HTML title tag of our bookstore's instead, add the following code in urls.py . The site_header changes the Django administration text which appears on the login page and the admin site. The site_title changes the text added to the <title> of every admin page.
Without looking, it sounds like the admin is looking for an iterable as the value for field_name. Try:
raise ValidationError({'field_name': ["error message",]})
I think the admin expects any number of validation messages to be associated with each field on a form.
169
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