Django validate_comma_separated_integer_list

validate_comma_separated_integer_list is a built-in validator provided by Django that is used to ensure that a given value is a comma-separated list of integers. This validator can be used to validate values provided by users.

Usage

To use the validate_comma_separated_integer_list validator in your Django project, you need to import it from the django.core.validators module. You can then pass it to the validators argument of a field in your model.

from django.db import models
from django.core.validators import validate_comma_separated_integer_list

class MyModel(models.Model):
    my_field = models.CharField(max_length=100, validators=[validate_comma_separated_integer_list])

In the above example, my_field is a CharField that will be validated using the validate_comma_separated_integer_list validator.

If the value of my_field is not a comma-separated list of integers, a ValidationError will be raised.

Example

Here is an example of how to use the validate_comma_separated_integer_list validator:

from django.core.validators import validate_comma_separated_integer_list
from django import forms

class MyForm(forms.Form):
    my_field = forms.CharField(validators=[validate_comma_separated_integer_list])

In the above example, my_field is a CharField in a form that will be validated using the validate_comma_separated_integer_list validator. If the value of my_field is not a comma-separated list of integers, a ValidationError will be raised.

Conclusion

The validate_comma_separated_integer_list validator is a useful tool in Django for ensuring that a given value is a comma-separated list of integers. This validator can be used in any Django project and can help ensure data integrity and prevent errors caused by incorrect input.