How can I use Django Form Extensions for validation?

How can I use Django Form Extensions for validation?

Django Form Extensions provides additional validation features for Django forms. You can use it to enhance your form validation by adding custom validators or using built-in ones.

Can you give me an example of a custom validator?

Sure! You can create a custom validator by defining a function that raises a ValidationError if the input doesn't meet your criteria. For example:

from django.core.exceptions import ValidationError

def validate_even(value):
    if value % 2 != 0:
        raise ValidationError('The number must be even.')

How do I apply this validator to a form field?

You can apply the validator by adding it to the validators list of the form field. For example:

from django import forms

class MyForm(forms.Form):
    number = forms.IntegerField(validators=[validate_even])

What other features does Django Form Extensions offer?

Django Form Extensions offers features like additional field types, improved error handling, and enhanced form rendering options.