#25280: django 1.9 using validators.validate_slug will recreate migrations over
and
over
-------------------------------+------------------------------------------
Reporter: chenull | Owner: nobody
Type: Uncategorized | Status: new
Component: Migrations | Version: master
Severity: Normal | Keywords: migrations, validators, slug
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Using django.core.validators.validate_slug in a model will make the
migration files on that model increment infinitely, allthough no changes
has made in the model.
{{{
from django.core.validators import validate_slug
class Organization(models.Model):
slug = models.SlugField(unique=True, validators=[validate_slug])
}}}
`manage.py makemigrations`
{{{
Migrations for 'organizations':
0009_auto_20150815_2151.py:
- Alter field slug on organization
Migrations for 'organizations':
0010_auto_20150815_2151.py:
- Alter field slug on organization
Migrations for 'organizations':
0011_auto_20150815_2158.py:
- Alter field slug on organization
Migrations for 'organizations':
0012_auto_20150815_2158.py:
- Alter field slug on organization
}}}
A quick fix is to workaround this issue is just copy paste the code in
django.core.validators:
{{{
from django.core.validators import RegexValidator
orgslug_validator = [
RegexValidator(regex=r'^[-a-zA-Z0-9_]+\Z',
message=_("Enter a valid 'slug' consisting of letters,
"
"numbers, underscores or hyphens."),
code='invalid_slug')
]
class Organization(models.Model):
slug = models.SlugField(unique=True, validators=orgslug_validator)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/25280>
Django <https://code.djangoproject.com/>
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