##############################################################################
#
# OpenERP, Open Source Management Solution
-# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>). All Rights Reserved
-# Copyright (C) 2008-2009 B2CK, Cedric Krier, Bertrand Chenal (the methods "check_vat_[a-z]{2}"
+# Copyright (C) 2004-2011 OpenERP SA (<http://openerp.com>)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
+
+import logging
import string
+import datetime
+import re
+_logger = logging.getLogger(__name__)
+
+try:
+ import vatnumber
+except ImportError:
+ _logger.warning("VAT validation partially unavailable because the `vatnumber` Python library cannot be found. "
+ "Install it to support more countries, for example with `easy_install vatnumber`.")
+ vatnumber = None
+
from osv import osv, fields
+from tools.misc import ustr
from tools.translate import _
-import vatnumber #User should install "python-vatnumber" package from the Synaptic Package Manager to check valid VAT NUMBER
+
+_ref_vat = {
+ 'at': 'ATU12345675',
+ 'be': 'BE0477472701',
+ 'bg': 'BG1234567892',
+ 'ch': 'CHE-123.456.788 TVA or CH TVA 123456', #Swiss by Yannick Vaucher @ Camptocamp
+ 'cy': 'CY12345678F',
+ 'cz': 'CZ12345679',
+ 'de': 'DE123456788',
+ 'dk': 'DK12345674',
+ 'ee': 'EE123456780',
+ 'el': 'EL12345670',
+ 'es': 'ESA12345674',
+ 'fi': 'FI12345671',
+ 'fr': 'FR32123456789',
+ 'gb': 'GB123456782',
+ 'gr': 'GR12345670',
+ 'hu': 'HU12345676',
+ 'hr': 'HR01234567896', # Croatia, contributed by Milan Tribuson
+ 'ie': 'IE1234567T',
+ 'it': 'IT12345670017',
+ 'lt': 'LT123456715',
+ 'lu': 'LU12345613',
+ 'lv': 'LV41234567891',
+ 'mt': 'MT12345634',
+ 'mx': 'MXABC123456T1B',
+ 'nl': 'NL123456782B90',
+ 'no': 'NO123456785',
+ 'pl': 'PL1234567883',
+ 'pt': 'PT123456789',
+ 'ro': 'RO1234567897',
+ 'se': 'SE123456789701',
+ 'si': 'SI12345679',
+ 'sk': 'SK0012345675',
+}
class res_partner(osv.osv):
_inherit = 'res.partner'
vat_country, vat_number = vat[:2].lower(), vat[2:].replace(' ', '')
return vat_country, vat_number
- def check_vat(self, cr, uid, ids, context=None):
+ def simple_vat_check(self, cr, uid, country_code, vat_number, context=None):
'''
Check the VAT number depending of the country.
http://sima-pc.com/nif.php
'''
+ check_func_name = 'check_vat_' + country_code
+ check_func = getattr(self, check_func_name, None) or \
+ getattr(vatnumber, check_func_name, None)
+ if not check_func:
+ # No VAT validation available, default to check that the country code exists
+ res_country = self.pool.get('res.country')
+ return bool(res_country.search(cr, uid, [('code', '=ilike', country_code)], context=context))
+ return check_func(vat_number)
+
+ def vies_vat_check(self, cr, uid, country_code, vat_number, context=None):
+ try:
+ # Validate against VAT Information Exchange System (VIES)
+ # see also http://ec.europa.eu/taxation_customs/vies/
+ return vatnumber.check_vies(country_code.upper()+vat_number)
+ except Exception:
+ # see http://ec.europa.eu/taxation_customs/vies/checkVatService.wsdl
+ # Fault code may contain INVALID_INPUT, SERVICE_UNAVAILABLE, MS_UNAVAILABLE,
+ # TIMEOUT or SERVER_BUSY. There is no way we can validate the input
+ # with VIES if any of these arise, including the first one (it means invalid
+ # country code or empty VAT number), so we fall back to the simple check.
+ return self.simple_vat_check(cr, uid, country_code, vat_number, context=context)
+
+ def button_check_vat(self, cr, uid, ids, context=None):
+ if not self.check_vat(cr, uid, ids, context=context):
+ msg = self._construct_constraint_msg(cr, uid, ids, context=context)
+ raise osv.except_osv(_('Error!'), msg)
+ return True
+
+ def check_vat(self, cr, uid, ids, context=None):
+ user_company = self.pool.get('res.users').browse(cr, uid, uid).company_id
+ if user_company.vat_check_vies:
+ # force full VIES online check
+ check_func = self.vies_vat_check
+ else:
+ # quick and partial off-line checksum validation
+ check_func = self.simple_vat_check
for partner in self.browse(cr, uid, ids, context=context):
if not partner.vat:
continue
vat_country, vat_number = self._split_vat(partner.vat)
- if not hasattr(vatnumber, 'check_vat_' + vat_country):
- if vat_country.upper() in vatnumber.countries():
- continue
- return False
- check = getattr(vatnumber, 'check_vat_' + vat_country)
- if not check(vat_number):
+ if not check_func(cr, uid, vat_country, vat_number, context=context):
return False
return True
def _construct_constraint_msg(self, cr, uid, ids, context=None):
def default_vat_check(cn, vn):
+ # by default, a VAT number is valid if:
+ # it starts with 2 letters
+ # has more than 3 characters
return cn[0] in string.ascii_lowercase and cn[1] in string.ascii_lowercase
vat_country, vat_number = self._split_vat(self.browse(cr, uid, ids)[0].vat)
+ vat_no = "'CC##' (CC=Country Code, ##=VAT Number)"
if default_vat_check(vat_country, vat_number):
- vat_no = vat_country in vatnumber.countries() and vatnumber.countries() or 'Country Code + Vat Number'
- return _('The Vat does not seems to be correct. You should have entered something like this %s'), (vat_no)
- return _('The VAT is invalid, It should begin with the country code'), ()
+ vat_no = _ref_vat[vat_country] if vat_country in _ref_vat else vat_no
+ return '\n' + _('This VAT number does not seem to be valid.\nNote: the expected format is %s') % vat_no
_constraints = [(check_vat, _construct_constraint_msg, ["vat"])]
-
+
+
+ __check_vat_ch_re1 = re.compile(r'(MWST|TVA|IVA)[0-9]{6}$')
+ __check_vat_ch_re2 = re.compile(r'E([0-9]{9}|-[0-9]{3}\.[0-9]{3}\.[0-9]{3})(MWST|TVA|IVA)$')
+
+ def check_vat_ch(self, vat):
+ '''
+ Check Switzerland VAT number.
+ '''
+ # VAT number in Switzerland will change between 2011 and 2013
+ # http://www.estv.admin.ch/mwst/themen/00154/00589/01107/index.html?lang=fr
+ # Old format is "TVA 123456" we will admit the user has to enter ch before the number
+ # Format will becomes such as "CHE-999.999.99C TVA"
+ # Both old and new format will be accepted till end of 2013
+ # Accepted format are: (spaces are ignored)
+ # CH TVA ######
+ # CH IVA ######
+ # CH MWST #######
+ #
+ # CHE#########MWST
+ # CHE#########TVA
+ # CHE#########IVA
+ # CHE-###.###.### MWST
+ # CHE-###.###.### TVA
+ # CHE-###.###.### IVA
+ #
+ if self.__check_vat_ch_re1.match(vat):
+ return True
+ match = self.__check_vat_ch_re2.match(vat)
+ if match:
+ # For new TVA numbers, do a mod11 check
+ num = filter(lambda s: s.isdigit(), match.group(1)) # get the digits only
+ factor = (5,4,3,2,7,6,5,4)
+ csum = sum([int(num[i]) * factor[i] for i in range(8)])
+ check = 11 - (csum % 11)
+ return check == int(num[8])
+ return False
+
+
+ # Mexican VAT verification, contributed by <moylop260@hotmail.com>
+ # and Panos Christeas <p_christ@hol.gr>
+ __check_vat_mx_re = re.compile(r"(?P<primeras>[A-Za-z\xd1\xf1&]{3,4})" \
+ r"[ \-_]?" \
+ r"(?P<ano>[0-9]{2})(?P<mes>[01][0-9])(?P<dia>[0-3][0-9])" \
+ r"[ \-_]?" \
+ r"(?P<code>[A-Za-z0-9&\xd1\xf1]{3})$")
+ def check_vat_mx(self, vat):
+ ''' Mexican VAT verification
+
+ Verificar RFC México
+ '''
+ # we convert to 8-bit encoding, to help the regex parse only bytes
+ vat = ustr(vat).encode('iso8859-1')
+ m = self.__check_vat_mx_re.match(vat)
+ if not m:
+ #No valid format
+ return False
+ try:
+ ano = int(m.group('ano'))
+ if ano > 30:
+ ano = 1900 + ano
+ else:
+ ano = 2000 + ano
+ datetime.date(ano, int(m.group('mes')), int(m.group('dia')))
+ except ValueError:
+ return False
+
+ #Valid format and valid date
+ return True
+
+
+ # Norway VAT validation, contributed by Rolv Råen (adEgo) <rora@adego.no>
+ def check_vat_no(self, vat):
+ '''
+ Check Norway VAT number.See http://www.brreg.no/english/coordination/number.html
+ '''
+ if len(vat) != 9:
+ return False
+ try:
+ int(vat)
+ except ValueError:
+ return False
+
+ sum = (3 * int(vat[0])) + (2 * int(vat[1])) + \
+ (7 * int(vat[2])) + (6 * int(vat[3])) + \
+ (5 * int(vat[4])) + (4 * int(vat[5])) + \
+ (3 * int(vat[6])) + (2 * int(vat[7]))
+
+ check = 11 -(sum % 11)
+ if check == 11:
+ check = 0
+ if check == 10:
+ # 10 is not a valid check digit for an organization number
+ return False
+ return check == int(vat[8])
+
res_partner()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
projects / odoo / odoo.git / blobdiff