account_balance_line: Port to new API

account_balance_line/README.rst

@@ -0,0 +1,55 @@
+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+
+====================
+Account Balance Line
+====================
+
+Add a balance total for grouped lines in move line view.
+
+Balance field will only be shown when move lines are grouped by account
+or filtered by account.
+
+Usage
+=====
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/92/8.0
+
+For further information, please visit:
+
+ * https://www.odoo.com/forum/help-1
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/account-financial-tools/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us smashing it by providing a detailed and welcomed feedback
+`here <https://github.com/OCA/account-financial-tools/issues/new?body=module:%20account_balance_line%0Aversion:%208.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Vincent revaville <vincent.renaville@camptocamp.com>
+* Yannick Vaucher <yannick.vaucher@camptocamp.com>
+
+Maintainer
+----------
+
+.. image:: http://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: http://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.

account_balance_line/__init__.py

@@ -1,21 +1,3 @@
 # -*- coding: utf-8 -*-
-##############################################################################
-#
-#    Author: Vincent Renaville (Camptocamp)
-#    Copyright 2010-2014 Camptocamp SA
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
+
 from . import account_move_line

account_balance_line/__openerp__.py

@@ -18,33 +18,17 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
+
 {'name': 'Balance on lines',
  'summary': 'Display balance totals in move line view',
- 'version': '8.0.1.1.0',
+ 'version': '8.0.1.1.1',
  'author': "Camptocamp,Odoo Community Association (OCA)",
  'maintainter': 'Camptocamp',
  'category': 'Accounting',
  'depends': ['account'],
- 'description': """
-Balance for a line
-==================
-
-Add a balance total for grouped lines in move line view.
-
-Balance field will only be shown when move lines are grouped by account
-or filtered by account.
-
-Contributors
-------------
-
-* Vincent revaville <vincent.renaville@camptocamp.com>
-* Yannick Vaucher <yannick.vaucher@camptocamp.com>
-""",
  'website': 'http://www.camptocamp.com',
  'data': ['account_move_line_view.xml'],
  'tests': [],
  'installable': True,
- 'auto_install': False,
  'license': 'AGPL-3',
- 'application': False,
  }

account_balance_line/account_move_line.py

@@ -18,25 +18,20 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
-from openerp.osv import orm, fields
+
+from openerp import models, fields, api
+import openerp.addons.decimal_precision as dp
 
 
-class account_move_line(orm.Model):
+class AccountMoveLine(models.Model):
     _inherit = "account.move.line"
 
-    def _line_balance(self, cr, uid, ids, field, arg, context=None):
-        res = {}
-        move_lines = self.read(cr, uid, ids,
-                               ['debit', 'credit'],
-                               context=context)
+    @api.multi
+    @api.depends('credit', 'debit')
+    def _line_balance(self):
+        for line in self:
+            line.line_balance = line.debit - line.credit
 
-        for line in move_lines:
-            res[line['id']] = line['debit'] - line['credit']
-        return res
-
-    _columns = {
-        'line_balance': fields.function(
-            _line_balance, method=True,
-            string='Balance',
-            store=True),
-    }
+    line_balance = fields.Float(
+        compute='_line_balance', string='Balance', store=True,
+        digits=dp.get_precision('Account'))