109 lines
4.9 KiB
Python
109 lines
4.9 KiB
Python
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# Copyright (c) 2004-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
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#
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# $Id: account.py 1005 2005-07-25 08:41:42Z nicoe $
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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 netsvc
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from osv import fields, osv
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class account_tax(osv.osv):
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_inherit = 'account.tax'
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_description = 'Tax'
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_columns = {
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'python_compute_inv':fields.text('Python Code (VAT Incl)'),
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}
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_defaults = {
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'python_compute_inv': lambda *a: '''# price_unit\n# address : res.partner.address object or False\n# product : product.product object or False\n\nresult = price_unit * 0.10''',
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}
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def _unit_compute_inv(self, cr, uid, taxes, price_unit, address_id=None, product=None):
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taxes = self._applicable(cr, uid, taxes, price_unit, address_id)
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res = []
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taxes.reverse()
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cur_price_unit=price_unit
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for tax in taxes:
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# we compute the amount for the current tax object and append it to the result
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if tax.type=='percent':
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amount = cur_price_unit - (cur_price_unit / (1 + tax.amount))
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res.append({'id':tax.id, 'name':tax.name, 'amount':amount, 'account_collected_id':tax.account_collected_id.id, 'account_paid_id':tax.account_paid_id.id, 'base_code_id': tax.base_code_id.id, 'ref_base_code_id': tax.ref_base_code_id.id, 'sequence': tax.sequence, 'base_sign': tax.base_sign, 'tax_sign': tax.tax_sign, 'ref_base_sign': tax.ref_base_sign, 'ref_tax_sign': tax.ref_tax_sign, 'price_unit': cur_price_unit - amount, 'tax_code_id': tax.tax_code_id.id, 'ref_tax_code_id': tax.ref_tax_code_id.id,})
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elif tax.type=='fixed':
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res.append({'id':tax.id, 'name':tax.name, 'amount':tax.amount, 'account_collected_id':tax.account_collected_id.id, 'account_paid_id':tax.account_paid_id.id, 'base_code_id': tax.base_code_id.id, 'ref_base_code_id': tax.ref_base_code_id.id, 'sequence': tax.sequence, 'base_sign': tax.base_sign, 'tax_sign': tax.tax_sign, 'ref_base_sign': tax.ref_base_sign, 'ref_tax_sign': tax.ref_tax_sign, 'price_unit': 1, 'tax_code_id': tax.tax_code_id.id, 'ref_tax_code_id': tax.ref_tax_code_id.id,})
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elif tax.type=='code':
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address = address_id and self.pool.get('res.partner.address').browse(cr, uid, address_id) or None
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localdict = {'price_unit':cur_price_unit, 'address':address, 'product':product,}
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exec tax.python_compute_inv in localdict
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amount = localdict['result']
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res.append({
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'id': tax.id,
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'name': tax.name,
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'amount': amount,
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'account_collected_id': tax.account_collected_id.id,
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'account_paid_id': tax.account_paid_id.id,
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'base_code_id': tax.base_code_id.id,
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'ref_base_code_id': tax.ref_base_code_id.id,
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'sequence': tax.sequence,
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'base_sign': tax.base_sign,
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'tax_sign': tax.tax_sign,
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'ref_base_sign': tax.ref_base_sign,
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'ref_tax_sign': tax.ref_tax_sign,
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'price_unit': cur_price_unit - amount,
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'tax_code_id': tax.tax_code_id.id,
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'ref_tax_code_id': tax.ref_tax_code_id.id,
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})
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amount2 = res[-1]['amount']
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if len(tax.child_ids):
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if tax.child_depend:
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del res[-1]
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amount = amount2
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else:
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amount = amount2
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for t in tax.child_ids:
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parent_tax = self._unit_compute_inv(cr, uid, [t], amount, address_id)
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res.extend(parent_tax)
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if tax.include_base_amount:
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cur_price_unit-=amount
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taxes.reverse()
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return res
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def compute_inv(self, cr, uid, taxes, price_unit, quantity, address_id=None, product=None):
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"""
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Compute tax values for given PRICE_UNIT, QUANTITY and a buyer/seller ADDRESS_ID.
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Price Unit is a VAT included price
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RETURN:
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[ tax ]
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tax = {'name':'', 'amount':0.0, 'account_collected_id':1, 'account_paid_id':2}
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one tax for each tax id in IDS and their childs
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"""
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res = self._unit_compute_inv(cr, uid, taxes, price_unit, address_id, product)
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for r in res:
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r['amount'] *= quantity
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return res
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account_tax()
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