new command to cleanup old settings in db

InvenTree/InvenTree/management/commands/clean_settings.py

@@ -0,0 +1,40 @@
+"""
+Custom management command to cleanup old settings that are not defined anymore
+"""
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    """
+    Cleanup old (undefined) settings in the database
+    """
+
+    def handle(self, *args, **kwargs):
+
+        print("Collecting settings")
+        from common.models import InvenTreeSetting, InvenTreeUserSetting
+
+        # general settings
+        db_settings = InvenTreeSetting.objects.all()
+        model_settings = InvenTreeSetting.GLOBAL_SETTINGS
+
+        # check if key exist and delete if not
+        for setting in db_settings:
+            print(setting.key)
+            if setting.key not in model_settings:
+                setting.delete()
+                print(f"deleted setting '{setting.key}'")
+
+        # user settings
+        db_settings = InvenTreeUserSetting.objects.all()
+        model_settings = InvenTreeUserSetting.GLOBAL_SETTINGS
+
+        # check if key exist and delete if not
+        for setting in db_settings:
+            print(setting.key)
+            if setting.key not in model_settings:
+                setting.delete()
+                print(f"deleted user setting '{setting.key}'")
+
+        print("checked all settings")