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# -*- coding: utf-8 -*-
import datetime
import re
from osv import osv, fields
from tools.misc import ustr
from tools.translate import _
_ref_vat = {
'mx': 'MXABC123456T1B',
}
class res_partner(osv.osv):
_inherit = 'res.partner'
# Mexican VAT verification, contributed by <moylop260@vauxoo.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
res_partner()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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