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[IMP] base_vat - Swiss vat check : use of regexp. courtesy of Raphael Collet 

bzr revid: yannick.vaucher@camptocamp.com-20120126155934-k5qdt9ufho48qrzh
This commit is contained in:
Yannick Vaucher 2012-01-26 16:59:34 +01:00
parent dffe46e585
commit a0ba5d8254
1 changed files with 17 additions and 27 deletions
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44
addons/base_vat/base_vat.py
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@ -151,6 +151,9 @@ class res_partner(osv.osv):
r"[ \-_]?" \
r"(?P<code>[A-Za-z0-9&\xd1\xf1]{3})$")
__check_vat_ch_re1 = re.compile(r'(MWST|TVA|IVA)[0-9]{6}$')
__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.
@ -160,9 +163,10 @@ class res_partner(osv.osv):
# 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:
# CHTVA######
# Accepted format are: (spaces are ignored)
# CH TVA ######
# CH IVA ######
# CH MWST #######
#
# CHE#########MWST
# CHE#########TVA
@ -171,31 +175,17 @@ class res_partner(osv.osv):
# CHE-###.###.### TVA
# CHE-###.###.### IVA
#
vat = vat.replace('-','').replace('.','')
if len(vat) in (13,14):
if not vat[0] == 'E':
return False
if vat[10:] not in ('TVA','IVA','MWST'):
return False
num = vat[1:10]
elif len(vat) in (9,10):
if vat[:-6] not in ('TVA','IVA','MWST'):
return False
num = vat[-6:]
else:
return False
# For new TVA numbers, do a mod11 check
if len(num) == 9:
def is_mod11(num):
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])
if not is_mod11(num):
return False
return True
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
def check_vat_mx(self, vat):