Add management command to perform steps required after an upgrade.

docs/releases/2.0.rst

@@ -69,7 +69,8 @@ What's new in Mayan EDMS v2.0
 * Normalization of 'title' and 'name' fields to 'label'
 * Split tests files.
 * Document image and intermediate file caching now has it's own storage backend.
-
+* RGB tags
+* ``performupgrade`` management command.
 
 Upgrading from a previous version
 =================================
@@ -102,8 +103,7 @@ Common steps
 
 Migrate existing database schema with::
 
-    $ mayan-edms.py purge_permissions
-    $ mayan-edms.py migrate
+    $ mayan-edms.py performupgrade
 
 During the migration several messages of stale content types can occur:
 

mayan/apps/common/management/commands/performupgrade.py

@@ -0,0 +1,14 @@
+from __future__ import unicode_literals
+
+from django.core import management
+
+from ...signals import perform_upgrade
+
+
+class Command(management.BaseCommand):
+    help = 'Performs the required steps after a version upgrade.'
+
+    def handle(self, *args, **options):
+        management.call_command('migrate', interactive=False)
+        management.call_command('purgeperiodictasks', interactive=False)
+        perform_upgrade.send(sender=self)

mayan/apps/common/signals.py

@@ -3,3 +3,4 @@ from __future__ import unicode_literals
 from django.dispatch import Signal
 
 post_initial_setup = Signal(use_caching=True)
+perform_upgrade = Signal(use_caching=True)

mayan/apps/permissions/apps.py

@@ -5,8 +5,10 @@ from django.utils.translation import ugettext_lazy as _
 from common import (
     MayanAppConfig, menu_multi_item, menu_object, menu_secondary, menu_setup
 )
+from common.signals import perform_upgrade
 from rest_api.classes import APIEndPoint
 
+from .handlers import purge_permissions
 from .models import Role
 from .links import (
     link_permission_grant, link_permission_revoke, link_role_create,
@@ -28,3 +30,5 @@ class PermissionsApp(MayanAppConfig):
         menu_multi_item.bind_links(links=[link_permission_grant, link_permission_revoke], sources=['permissions:role_permissions'])
         menu_secondary.bind_links(links=[link_role_list, link_role_create], sources=[Role, 'permissions:role_create', 'permissions:role_list'])
         menu_setup.bind_links(links=[link_role_list])
+
+        perform_upgrade.connect(purge_permissions, dispatch_uid='purge_permissions')

mayan/apps/permissions/handlers.py

@@ -0,0 +1,7 @@
+from __future__ import unicode_literals
+
+from django.core import management
+
+
+def purge_permissions(**kwargs):
+    management.call_command('purgepermissions')