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- from django.core.exceptions import ValidationError
- from django.utils.translation import ugettext_lazy as _
- from .utils import slugify
- class validate_sluggable(object):
- def __init__(self, error_short=None, error_long=None):
- self.error_short = error_short or _("Value has to contain alpha-numerical characters.")
- self.error_long = error_long or _("Value is too long.")
- def __call__(self, value):
- slug = slugify(value)
- if not slug.replace('-', ''):
- raise ValidationError(self.error_short)
- if len(slug) > 255:
- raise ValidationError(self.error_long)
|
