from odoo import fields, models, api, _
from odoo.exceptions import AccessError, UserError, ValidationError
import re   

class ProductAttributeValue(models.Model):
    _inherit = 'product.attribute.value'

    @api.constrains('name')
    def _validate_name(self):
        pattern = r'^[a-zA-Z0-9\[\]\(\)\.\s/]+$'
        if not re.match(pattern, self.name):
            raise UserError('Nama hanya bisa menggunakan angka, huruf kecil, huruf besar, titik, kurung lengkung, kurung siku, garis miring.')