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# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import models, api, _
from odoo.exceptions import ValidationError
import logging
_logger = logging.getLogger(__name__)
try:
from stdnum.ar.cbu import validate as validate_cbu
except ImportError:
import stdnum
_logger.warning("stdnum.ar.cbu is avalaible from stdnum >= 1.6. The one installed is %s" % stdnum.__version__)
def validate_cbu(number):
def _check_digit(number):
"""Calculate the check digit."""
weights = (3, 1, 7, 9)
check = sum(int(n) * weights[i % 4] for i, n in enumerate(reversed(number)))
return str((10 - check) % 10)
number = stdnum.util.clean(number, ' -').strip()
if len(number) != 22:
raise ValidationError('Invalid Length')
if not number.isdigit():
raise ValidationError('Invalid Format')
if _check_digit(number[:7]) != number[7]:
raise ValidationError('Invalid Checksum')
if _check_digit(number[8:-1]) != number[-1]:
raise ValidationError('Invalid Checksum')
return number
class ResPartnerBank(models.Model):
_inherit = 'res.partner.bank'
@api.model
def _get_supported_account_types(self):
""" Add new account type named cbu used in Argentina """
res = super()._get_supported_account_types()
res.append(('cbu', _('CBU')))
return res
@api.model
def retrieve_acc_type(self, acc_number):
try:
validate_cbu(acc_number)
except Exception:
return super().retrieve_acc_type(acc_number)
return 'cbu'
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