100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
##############################################################################
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#
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# Copyright (c) 2005-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
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#
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# WARNING: This program as such is intended to be used by professional
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# programmers who take the whole responsability of assessing all potential
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# consequences resulting from its eventual inadequacies and bugs
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# End users who are looking for a ready-to-use solution with commercial
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# garantees and support are strongly adviced to contract a Free Software
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# Service Company
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#
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# This program is Free Software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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##############################################################################
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import wizard
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import math
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from osv import osv
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from tools.misc import UpdateableStr
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import pooler
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def _is_pair(x):
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return not x%2
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def _get_ean_key(string):
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if not string or string=='':
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return '0'
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if len(string)!=12:
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return '0'
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sum=0
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for i in range(12):
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if _is_pair(i):
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sum+=int(string[i])
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else:
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sum+=3*int(string[i])
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return str(int(math.ceil(sum/10.0)*10-sum))
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#FIXME: this is not concurrent-safe...
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#CHECKME: isn't this the same code as another ean check???
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_check_arch = UpdateableStr()
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_check_fields = {}
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def _check_key(self, cr, uid, data, context):
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product_table=pooler.get_pool(cr.dbname).get('product.product')
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products = product_table.browse(cr, uid, data['ids'])
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_check_arch_lst=['<?xml version="1.0"?>', '<form string="Check EAN13">', '<label string=""/>', '<label string=""/>','<label string="Original" />', '<label string="Computed" />']
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for product in products:
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if product['ean13'] and len(product['ean13'])>11 and len(product['ean13'])<14:
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_check_arch_lst.append('<label colspan="2" string="%s" />' % product['ean13']);
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key=_get_ean_key(product['ean13'][:12])
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_check_arch_lst.append('<label string=""/>')
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if len(product['ean13'])==12:
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_check_arch_lst.append('<label string="" />');
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else:
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_check_arch_lst.append('<label string="%s" />' % product['ean13'][12])
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_check_arch_lst.append('<label string="%s" />' % key)
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_check_arch_lst.append('</form>')
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_check_arch.string = '\n'.join(_check_arch_lst)
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return {}
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def _update_ean(self, cr, uid, data, context):
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product_table=pooler.get_pool(cr.dbname).get('product.product')
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products = product_table.browse(cr, uid, data['ids'])
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for product in products:
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try:
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product_table.write(cr, uid, data['ids'], { 'ean13' : "%s%s" % ( product['ean13'][:12] , _get_ean_key(product['ean13'][:12]) ) })
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except:
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pass
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return {}
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class wiz_ean_check(wizard.interface):
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states = { 'init': { 'actions': [_check_key],
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'result': { 'type': 'form',
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'arch': _check_arch,
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'fields': _check_fields,
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'state': (('end', 'Ignore'),('correct', 'Correct EAN13') )
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}
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},
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'correct' : { 'actions': [_update_ean],
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'result': { 'type': 'state',
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'state' : 'end'
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}
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}
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}
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wiz_ean_check('product.ean13')
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