Verifica que el campo RUC sea unico

__init__.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
+#
+#    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/>.
+#
+##############################################################################
+
+import partner_unique
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

__openerp__.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
+#
+#    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/>.
+#
+##############################################################################
+
+
+{
+    'name': 'Partners Unique RUC',
+    'version': '1.0',
+    'category': 'Tools',
+    'description': """Controla el R.U.C./C.I. del cliente sea único.""",
+    'author': 'Eiru Software',
+    'website': 'http://www.paraguayenlaweb.com/',
+    'depends': ['base'],
+    'data': [
+    ],
+    'installable': True,
+}
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

partner_unique.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
+#
+#    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 openerp import models, api
+from openerp.exceptions import ValidationError
+
+class res_partner(models.Model):
+    _name = 'res.partner'
+    _inherit = 'res.partner'
+
+    @api.one
+    @api.constrains('ruc')
+    def _controla_ruc(self):
+        part_obj = self.env['res.partner'].search([('ruc','=',self.ruc)])
+        if len(part_obj) > 1:
+            raise ValidationError('El campo R.U.C./C.I. debe ser único')