On Tue, Jul 5, 2011 at 5:14 PM, candlerb <b.cand...@pobox.com> wrote:
> I have a model defined as follows with an IPAddressField:
>
> ~~~~
> class Nas(models.Model):
> name = models.CharField(max_length=128)
> ip = models.IPAddressField('IP Address', max_length=15,
> unique=True)
> nas_type = models.CharField('NAS Type', max_length=32, blank=True)
> huntgroup = models.ForeignKey(Huntgroup)
>
> class Meta:
> verbose_name = "NAS"
> verbose_name_plural = "NASes"
>
> def __unicode__(self):
> return self.name + " (" + self.ip + ")"
> ~~~~
>
> However, the model doesn't seem to validate that the ip field is a
> valid IP address. Example:
>
No, it doesn't have any model level validation. If you check the
source, it is simply a char field with max length of 15 characters.
It's form field does have validation though, and you can add the same
validator used there as a validator on the model field:
from django.core.validators import validate_ipv4_address
...
ip = models.IPAddressField(..., validators=[validate_ipv4_address])
Also, as you can see in the name, this only supports IPv4. For a more
complete solution (requires postgres) I use the excellent
django-postgresql-netfields -
https://github.com/adamcik/django-postgresql-netfields
Cheers
Tom
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