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[FIX]Product:EAN code validation fails 

lp bug: https://launchpad.net/bugs/606325 fixed

bzr revid: ron@tinyerp.com-20101119100551-gwmlsdp1md2b7z93
This commit is contained in:
ron@tinyerp.com 2010-11-19 15:35:51 +05:30
parent b5a5314fc0
commit 5b647eb30c
1 changed files with 17 additions and 8 deletions
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25
addons/product/product.py
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@ -430,7 +430,7 @@ class product_product(osv.osv):
'active': fields.boolean('Active', help="If the active field is set to true, it will allow you to hide the product without removing it."),
'variants': fields.char('Variants', size=64),
'product_tmpl_id': fields.many2one('product.template', 'Product Template', required=True, ondelete="cascade"),
'ean13': fields.char('EAN13', size=13),
'ean13': fields.char('EAN13', size=14),
'packaging' : fields.one2many('product.packaging', 'product_id', 'Logistical Units', help="Gives the different ways to package the same product. This has no impact on the picking order and is mainly used if you use the EDI module."),
'price_extra': fields.float('Variant Price Extra', digits_compute=dp.get_precision('Sale Price')),
'price_margin': fields.float('Variant Price Margin', digits_compute=dp.get_precision('Sale Price')),
@ -450,20 +450,29 @@ class product_product(osv.osv):
for partner in self.browse(cr, uid, ids):
if not partner.ean13:
continue
if len(partner.ean13) <> 13:
if len(partner.ean13) not in [13,14,8]:
return False
try:
int(partner.ean13)
except:
return False
sum=0
for i in range(12):
oddsum=0
evensum=0
total=0
eanvalue=partner.ean13
reversevalue = eanvalue[::-1]
finalean=reversevalue[1:]
for i in range(len(finalean)):
if is_pair(i):
sum += int(partner.ean13[i])
oddsum += int(finalean[i])
else:
sum += 3 * int(partner.ean13[i])
check = int(math.ceil(sum / 10.0) * 10 - sum)
if check != int(partner.ean13[12]):
evensum += int(finalean[i])
total=(oddsum * 3) + evensum
check = int(10 - math.ceil(total % 10.0))
if check != int(partner.ean13[-1]):
return False
return True