first commit

settings/signals.py

@@ -0,0 +1,17 @@
+from django.core.cache import cache
+from django.db.models.signals import post_save, post_delete
+from django.dispatch import receiver
+
+from settings.models import Setting, SiteSettings
+
+
+def clear_all_cache():
+    cache.clear()
+
+
+@receiver(post_save, sender=Setting)
+@receiver(post_delete, sender=Setting)
+@receiver(post_save, sender=SiteSettings)
+@receiver(post_delete, sender=SiteSettings)
+def clear_settings_cache_on_change(sender, instance, **kwargs):
+    clear_all_cache()