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netbox-community-netbox/netbox/extras/migrations/0066_customfield_name_validation.py

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import django.core.validators
from django.db import migrations, models
import re
class Migration(migrations.Migration):
dependencies = [
('extras', '0065_imageattachment_change_logging'),
]
operations = [
migrations.AlterField(
model_name='customfield',
name='name',
field=models.CharField(
max_length=50,
unique=True,
validators=[
django.core.validators.RegexValidator(
flags=re.RegexFlag['IGNORECASE'],
message='Only alphanumeric characters and underscores are allowed.',
regex='^[a-z0-9_]+$',
),
django.core.validators.RegexValidator(
flags=re.RegexFlag['IGNORECASE'],
inverse_match=True,
message='Double underscores are not permitted in custom field names.',
regex=r'__',
),
],
),
),
]