Add migration script.

base_contact/migrations/8.0.2.0/pre-migrate.py

@@ -0,0 +1,38 @@
+# -*- encoding: utf-8 -*-
+
+# Odoo, Open Source Management Solution
+# Copyright (C) 2014-2015  Grupo ESOC <www.grupoesoc.es>
+#
+# 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/>.
+
+
+def migrate(cr, version):
+    """Update fields owner module to avoid Odoo deleting them on uninstall."""
+    # partner_contact_birthdate
+    cr.execute("""UPDATE ir_model_data
+                  SET module='partner_contact_birthdate'
+                  WHERE module='base_contact'
+                    AND name in ('field_res_partner_birthdate_date')""")
+
+    # partner_contact_nationality
+    cr.execute("""UPDATE ir_model_data
+                  SET module='partner_contact_nationality'
+                  WHERE module='base_contact'
+                    AND name in ('field_res_partner_nationality_id')""")
+
+    # partner_contact_in_several_companies
+    cr.execute("""UPDATE ir_model_data
+                  SET module='partner_contact_in_several_companies'
+                  WHERE module='base_contact'
+                    AND name LIKE 'field_%'""")