[IMP] color setting is now done using, 'web_widget_color' module;

[REM] old behaviour with random colour;
[ADD] Migration script between v 0.4 and v 1.0;

web_dashboard_tile/migrations/7.0.1.0/post-migration-color.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2015-Today GRAP
+#    @author Sylvain LE GAL (https://twitter.com/legalsylvain)
+#
+#    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/>.
+#
+##############################################################################
+
+
+COLOR_NUMERIC_TO_RVB = {
+    0: '#006015',
+    1: '#CD2513',
+    2: '#CDC713',
+    3: '#57158A',
+    4: '#0E9B2D',
+    5: '#7F0C00',
+    6: '#7F7B00',
+    7: '#320455',
+    8: '#CD6E13',
+    9: '#0E6C7E',
+}
+
+
+def migrate_color(cr):
+    for old, new in COLOR_NUMERIC_TO_RVB.iteritems():
+        cr.execute("""
+            UPDATE tile_tile
+            SET color='%s', font_color='#FFFFFF'
+            WHERE color='%s'
+        """ % (new, old))
+
+
+def migrate(cr, installed_version):
+    migrate_color(cr)