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Validators
==========
:synopsis: Validator extensions
Usage
-----
Example::
from django_extensions.validators import HexValidator
class UserKeys(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
public_key = models.CharField(max_length=64, validators=[HexValidator(length=64)])
private_key = models.CharField(max_length=128, validators=[HexValidator(length=128)])
Current Database Model Field Extensions
---------------------------------------
``NoControlCharactersValidator``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Validates that Control Characters like new lines or tabs are not allowed.
Can optionally specify `whitelist` of control characters to allow.
``NoWhitespaceValidator``
~~~~~~~~~~~~~~~~~~~~~~~~~
Validates that leading and trailing whitespace is not allowed.
``HexValidator``
~~~~~~~~~~~~~~~~
Validates that the string is a valid hex string.
Can optionally also specify `length`, `min_length` and `max_length` parameters.
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