adopted OCA file layout

base_usability/models/users.py

@@ -0,0 +1,40 @@
+# Copyright 2018 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, api, SUPERUSER_ID, _
+from odoo.exceptions import UserError
+import logging
+logger = logging.getLogger(__name__)
+
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    @api.model
+    def default_get(self, fields_list):
+        res = super(ResUsers, self).default_get(fields_list)
+        # For a new partner auto-created when you create a new user, we prefer
+        # customer=False and supplier=True by default
+        res.update({
+            'customer': False,
+            'supplier': True,
+            })
+        return res
+
+    @api.model
+    def _script_partners_linked_to_users_no_company(self):
+        if self.env.user.id != SUPERUSER_ID:
+            raise UserError(_('You must run this script as admin user'))
+        logger.info(
+            'START to set company_id=False on partners related to users')
+        users = self.search(
+            ['|', ('active', '=', True), ('active', '=', False)])
+        for user in users:
+            if user.partner_id.company_id:
+                user.partner_id.company_id = False
+                logger.info(
+                    'Wrote company_id=False on user %s ID %d',
+                    user.login, user.id)
+        logger.info(
+            'END setting company_id=False on partners related to users')
+        return True