[FIX mail: decorator issue

A method was designed to work in multi, but used sometimes as model
and sometimes as one.

addons/mail/models/mail_thread.py

@@ -1328,7 +1328,7 @@ class MailThread(models.AbstractModel):
                 obj._message_add_suggested_recipient(result, partner=obj.user_id.partner_id, reason=self._fields['user_id'].string)
         return result
 
-    @api.model
+    @api.multi
     def _find_partner_from_emails(self, emails, res_model=None, res_id=None, check_followers=True):
         """ Utility method to find partners from email addresses. The rules are :
             1 - check in document (model | self, id) followers

addons/project/project.py

@@ -775,7 +775,7 @@ class task(osv.osv):
         new_task = self.browse(cr, uid, res, context=context)
         if new_task.project_id and new_task.project_id.alias_name:  # check left-part is not already an alias
             email_list = filter(lambda x: x.split('@')[0] != new_task.project_id.alias_name, email_list)
-        partner_ids = filter(lambda x: x, self._find_partner_from_emails(cr, uid, email_list, check_followers=False))
+        partner_ids = filter(lambda x: x, self._find_partner_from_emails(cr, uid, [], email_list, check_followers=False))
         self.message_subscribe(cr, uid, [res], partner_ids, context=context)
         return res
 

addons/website_slides/controllers/main.py

@@ -173,7 +173,6 @@ class website_slides(http.Controller):
         right partner. Their comments are not published by default. Logged
         users can post as usual. """
         # TDE TODO :
-        # - fix _find_partner_from_emails -> is an api.one + strange results + should work as public user
         # - subscribe partner instead of user writing the message ?
         # - public user -> cannot create mail.message ?
         if not post.get('comment'):
@@ -187,7 +186,7 @@ class website_slides(http.Controller):
             # be investigated - using SUPERUSER_ID meanwhile
             contextual_slide = slide.sudo().with_context(mail_create_nosubcribe=True)
             # TDE FIXME: check in mail_thread, find partner from emails should maybe work as public user
-            partner_id = slide.sudo()._find_partner_from_emails([post.get('email')])[0][0]
+            partner_id = slide.sudo()._find_partner_from_emails([post.get('email')])[0]
             if partner_id:
                 partner = request.env['res.partner'].sudo().browse(partner_id)
             else: