[ADD] migration script

and a module that takes care of saving imported files (+migration)

account_bank_statement_import_save_file/models/__init__.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    This module copyright (C) 2015 Therp BV <http://therp.nl>.
+#
+#    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_bank_statement
+from . import account_bank_statement_import

account_bank_statement_import_save_file/models/account_bank_statement.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    This module copyright (C) 2015 Therp BV (<http://therp.nl>).
+#
+#    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, fields, api
+
+
+class AccountBankStatement(models.Model):
+    _inherit = 'account.bank.statement'
+
+    import_file = fields.Many2one(
+        'ir.attachment', 'Import file', readonly=True)
+    import_date = fields.Datetime(
+        related=['import_file', 'create_date'], readonly=True)
+    import_user = fields.Many2one(
+        related=['import_file', 'create_uid'], readonly=True)
+    import_log = fields.Text(
+        related=['import_file', 'description'], readonly=True)

account_bank_statement_import_save_file/models/account_bank_statement_import.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    This module copyright (C) 2015 Therp BV (<http://therp.nl>).
+#
+#    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 base64
+import inspect
+from openerp import models, fields, api
+
+
+class AccountBankStatementImport(models.Model):
+    _inherit = 'account.bank.statement.import'
+
+    @api.model
+    def _import_statement(self, statement):
+        (statement_id, notifications) = \
+            super(AccountBankStatementImport, self)._import_statement(
+                statement)
+        if statement_id:
+            # get raw file data from the stack
+            def get_data_file(frame):
+                if 'data_file' in frame.f_locals:
+                    return frame.f_locals['data_file']
+                if frame.f_back:
+                    return get_data_file(frame.f_back)
+                return None
+            data_file = get_data_file(inspect.currentframe())
+            self.env['account.bank.statement'].browse([statement_id]).write({
+                'import_file': self.env['ir.attachment'].create(
+                    self._create_import_file_attachment_data(
+                        data_file, statement_id, notifications)).id,
+            })
+        return (statement_id, notifications)
+
+    @api.model
+    def _create_import_file_attachment_data(self, data_file, statement_id,
+                                            notifications):
+        return {
+            'name': '<unknown>',
+            'res_model': 'account.bank.statement',
+            'res_id': statement_id,
+            'type': 'binary',
+            'datas': base64.b64encode(data_file),
+            'description': notifications,
+        }