Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/django/contrib/sessions/management/commands/clearsessions.py

@@ -0,0 +1,19 @@
+from importlib import import_module
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    help = (
+        "Can be run as a cronjob or directly to clean out expired sessions "
+        "(only with the database backend at the moment)."
+    )
+
+    def handle(self, **options):
+        engine = import_module(settings.SESSION_ENGINE)
+        try:
+            engine.SessionStore.clear_expired()
+        except NotImplementedError:
+            self.stderr.write("Session engine '%s' doesn't support clearing "
+                              "expired sessions.\n" % settings.SESSION_ENGINE)