Init

app/db/apps.py

@@ -0,0 +1,13 @@
+from django.apps import AppConfig
+from django.db.models import signals as db_signals
+
+
+class DbConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'db'
+
+    def ready(self):
+        from . import signals, models
+
+        db_signals.post_save.connect(signals.on_backupdb_save, sender=models.DBBackup)
+        db_signals.post_delete.connect(signals.on_backupdb_delete, sender=models.DBBackup)