57 lines
2.7 KiB
Python
57 lines
2.7 KiB
Python
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2011
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# Associazione OpenERP Italia (<http://www.openerp-italia.org>)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from osv import fields, osv
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import decimal_precision as dp
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from decimal import *
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class account_tax(osv.osv):
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_inherit = 'account.tax'
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def compute_all(self, cr, uid, taxes, price_unit, quantity, address_id=None, product=None, partner=None):
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res = super(account_tax, self).compute_all(cr, uid, taxes, price_unit, quantity, address_id, product, partner)
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precision = self.pool.get('decimal.precision').precision_get(cr, uid, 'Account')
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tax_list = res['taxes']
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totalex = res['total']
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if len(tax_list) == 2:
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for tax in tax_list:
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if tax.get('balance',False): # Calcolo di imponibili e imposte per l'IVA parzialmente detraibile
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deductible_base = totalex
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ind_tax = tax_list[abs(tax_list.index(tax)-1)]
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ind_tax_obj = self.browse(cr, uid, ind_tax['id'])
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ded_tax_obj = self.browse(cr, uid, tax['id'])
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base_ind = float(Decimal(str(totalex * ind_tax_obj.amount)).quantize(Decimal('1.'+precision*'0'), rounding=ROUND_HALF_UP))
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base_ded = float(Decimal(str(totalex - base_ind)).quantize(Decimal('1.'+precision*'0'), rounding=ROUND_HALF_UP))
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tax_total = float(Decimal(str(tax['balance'])).quantize(Decimal('1.'+precision*'0'), rounding=ROUND_HALF_UP))
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tax_ind = float(Decimal(str(tax_total * ind_tax_obj.amount)).quantize(Decimal('1.'+precision*'0'), rounding=ROUND_HALF_UP))
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tax_ded = tax_total - tax_ind
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ind_tax['price_unit'] = base_ind
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tax['price_unit'] = base_ded
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ind_tax['amount'] = tax_ind
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tax['amount'] = tax_ded
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return res
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account_tax()
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