Assign tasks to specific queues. Add support for transient queues. gh-issue #222, gh-issue #230.

mayan/apps/common/apps.py

@@ -2,6 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 import logging
 
+from kombu import Exchange, Queue
+
 from django import apps
 from django.conf import settings
 from django.conf.urls import include, url
@@ -9,6 +11,8 @@ from django.contrib.auth.signals import user_logged_in
 from django.db.models.signals import post_save
 from django.utils.translation import ugettext_lazy as _
 
+from mayan.celery import app
+
 from .handlers import (
     user_locale_profile_session_config, user_locale_profile_create
 )
@@ -47,6 +51,10 @@ class CommonApp(MayanAppConfig):
     def ready(self):
         super(CommonApp, self).ready()
 
+        app.conf.CELERY_QUEUES.append(
+            Queue('tools', Exchange('tools'), routing_key='tools'),
+        )
+
         menu_facet.bind_links(links=[link_current_user_details, link_current_user_locale_profile_details, link_tools, link_setup], sources=['common:current_user_details', 'common:current_user_edit', 'common:current_user_locale_profile_details', 'common:current_user_locale_profile_edit', 'authentication:password_change_view', 'common:setup_list', 'common:tools_list'])
         menu_main.bind_links(links=[link_about], position=-1)
         menu_secondary.bind_links(