Gracefully shutdown the scheduler on pre_collectstatic and post_syncdb

apps/scheduler/__init__.py

@@ -1 +1,24 @@
+from __future__ import absolute_import
 
+import logging
+
+from .runtime import scheduler
+
+from django.db.models.signals import post_syncdb
+from django.dispatch import receiver
+
+from signaler.signals import pre_collectstatic
+
+logger = logging.getLogger(__name__)
+
+
+@receiver(post_syncdb, dispatch_uid='scheduler_shutdown_post_syncdb')
+def scheduler_shutdown_post_syncdb(sender, **kwargs):
+    logger.debug('Scheduler shut down on post syncdb signal')
+    scheduler.shutdown()
+
+
+@receiver(pre_collectstatic, dispatch_uid='sheduler_shutdown_pre_collectstatic')
+def sheduler_shutdown_pre_collectstatic(sender, **kwargs):
+    logger.debug('Scheduler shut down on collectstatic signal')
+    scheduler.shutdown()