add management command to clear cache

lametro/management/commands/clear_cache.py

@@ -0,0 +1,19 @@
+# Adapted from https://github.com/rdegges/django-clear-cache
+from django.conf import settings
+from django.core.cache import cache
+from django.core.management.base import BaseCommand, CommandError
+
+
+class Command(BaseCommand):
+    """A simple management command which clears the site-wide cache."""
+
+    help = "Fully clear your site-wide cache."
+
+    def handle(self, *args, **kwargs):
+        try:
+            assert settings.CACHES
+        except AttributeError:
+            raise CommandError("No cache configured. Check CACHES in settings.py.")
+
+        cache.clear()
+        self.stdout.write("Successfully cleared the cache.")