Move prefix_validator() to ipam.validators

netbox/ipam/fields.py

@@ -2,15 +2,10 @@ from django.core.exceptions import ValidationError
 from django.db import models
 from netaddr import AddrFormatError, IPNetwork
 
-from . import lookups
+from . import lookups, validators
 from .formfields import IPFormField
 
 
-def prefix_validator(prefix):
-    if prefix.ip != prefix.cidr.ip:
-        raise ValidationError("{} is not a valid prefix. Did you mean {}?".format(prefix, prefix.cidr))
-
-
 class BaseIPField(models.Field):
 
     def python_type(self):
@@ -51,7 +46,7 @@ class IPNetworkField(BaseIPField):
     IP prefix (network and mask)
     """
     description = "PostgreSQL CIDR field"
-    default_validators = [prefix_validator]
+    default_validators = [validators.prefix_validator]
 
     def db_type(self, connection):
         return 'cidr'

netbox/ipam/validators.py

@@ -1,6 +1,12 @@
+from django.core.exceptions import ValidationError
 from django.core.validators import BaseValidator, RegexValidator
 
 
+def prefix_validator(prefix):
+    if prefix.ip != prefix.cidr.ip:
+        raise ValidationError("{} is not a valid prefix. Did you mean {}?".format(prefix, prefix.cidr))
+
+
 class MaxPrefixLengthValidator(BaseValidator):
     message = 'The prefix length must be less than or equal to %(limit_value)s.'
     code = 'max_prefix_length'