mirror of
https://github.com/OCA/account-financial-tools.git
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98 lines
4.2 KiB
Python
98 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2011 Numérigraphe SARL.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp.osv import fields, orm
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# XXX: this is used for checking various codes such as credit card
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# numbers: should it be moved to tools.py?
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def _check_luhn(string):
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"""Luhn test to check control keys
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Credits:
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http://rosettacode.org/wiki/Luhn_test_of_credit_card_numbers#Python
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"""
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r = [int(ch) for ch in string][::-1]
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return (sum(r[0::2]) + sum(sum(divmod(d * 2, 10))
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for d in r[1::2])) % 10 == 0
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class Partner(orm.Model):
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"""Add the French official company identity numbers SIREN, NIC and SIRET"""
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_inherit = 'res.partner'
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def _get_siret(self, cr, uid, ids, field_name, arg, context=None):
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"""Concatenate the SIREN and NIC to form the SIRET"""
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return {partner.id: '%s%s' % (partner.siren, partner.nic or '*****')
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if partner.siren else ''
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for partner in self.browse(cr, uid, ids, context=context)}
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def _check_siret(self, cr, uid, ids):
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"""Check the SIREN's and NIC's keys (last digits)"""
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for partner in self.browse(cr, uid, ids, context=None):
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if partner.nic:
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# Check the NIC type and length
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if not partner.nic.isdecimal() or len(partner.nic) != 5:
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return False
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if partner.siren:
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# Check the SIREN type, length and key
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if (not partner.siren.isdecimal()
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or len(partner.siren) != 9
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or not _check_luhn(partner.siren)):
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return False
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# Check the NIC key (you need both SIREN and NIC to check it)
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if partner.nic and not _check_luhn(partner.siren
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+ partner.nic):
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return False
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return True
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_columns = {
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'siren': fields.char('SIREN', size=9,
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help="The SIREN number is the official identity "
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"number of the company in France. It makes "
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"the first 9 digits of the SIRET number."),
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'nic': fields.char('NIC', size=5,
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help="The NIC number is the official rank number "
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"of this office in the company in France. It "
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"makes the last 5 digits of the SIRET "
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"number."),
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'siret': fields.function(
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_get_siret, type="char", string='SIRET',
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method=True, size=14,
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store={
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'res.partner': [lambda self, cr, uid, ids, context=None: ids,
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['siren', 'nic'], 10]},
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help="The SIRET number is the official identity number of this "
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"company's office in France. It is composed of the 9 digits "
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"of the SIREN number and the 5 digits of the NIC number, ie. "
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"14 digits."),
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'company_registry': fields.char(
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'Company Registry', size=64,
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help="The name of official registry where this "
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"company was declared."),
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}
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_constraints = [
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(_check_siret,
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"The SIREN or NIC number is incorrect.",
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["siren", "nic"]),
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]
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