From 5bc8790861ecdf21f9f37df5eb2d3fc31bca9f63 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 14 May 2012 15:36:34 +0200
Subject: [PATCH] Remove required on sequence

review348001
---
 dashboard.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/dashboard.py b/dashboard.py
index 83eb03a4a1..56111d393c 100644
--- a/dashboard.py
+++ b/dashboard.py
@@ -1,6 +1,8 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 from trytond.model import ModelView, ModelSQL, fields
+from trytond.transaction import Transaction
+from trytond.backend import TableHandler
 
 
 class DashboardAction(ModelSQL, ModelView):
@@ -9,7 +11,9 @@ class DashboardAction(ModelSQL, ModelView):
 
     user = fields.Many2One('res.user', 'User', required=True,
             select=True)
-    sequence = fields.Integer('Sequence', required=True)
+    sequence = fields.Integer('Sequence',
+        order_field='(%(table)s.sequence IS NULL) %(order)s, '
+        '%(table)s.sequence %(order)s')
     act_window = fields.Many2One('ir.action.act_window', 'Action',
             required=True, ondelete='CASCADE', domain=[
                 ('res_model', '!=', None),
@@ -20,4 +24,13 @@ class DashboardAction(ModelSQL, ModelView):
         super(DashboardAction, self).__init__()
         self._order.insert(0, ('sequence', 'ASC'))
 
+    def init(self, module_name):
+        cursor = Transaction().cursor
+        table = TableHandler(cursor, self, module_name)
+
+        super(DashboardAction, self).init(module_name)
+
+        # Migration from 2.4: drop required on sequence
+        table.not_null_action('sequence', action='remove')
+
 DashboardAction()