[IMP] remove the fucking auto_delete!!!

mail_usability/__init__.py

@@ -1,3 +1,4 @@
 # -*- coding: utf-8 -*-
 
 from . import mail
+from . import mail_template

mail_usability/mail.py

@@ -43,6 +43,13 @@ class ResPartner(models.Model):
             send_after_commit=send_after_commit,
             user_signature=user_signature)
 
+    def _notify_prepare_email_values(self, message):
+        res = super(ResPartner, self)._notify_prepare_email_values(message)
+        # Never auto delete notification email
+        # fucking to hard to debug when message have been delete
+        res['auto_delete'] = False
+        return res
+
 
 class TemplatePreview(models.TransientModel):
     _inherit = "email_template.preview"

mail_usability/mail_template.py

@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 Akretion (http://www.akretion.com).
+# @author Sébastien BEAU <sebastien.beau@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import fields, models
+
+
+class MailTemplate(models.Model):
+    _inherit = 'mail.template'
+
+    auto_delete = fields.Boolean(default=False)