Use key_name instead of link_id
Some entities do not have a link_id, but all entities are guaranteed
to have a key_name (or an id).
import datetime
from django.core.management.base import NoArgsCommand
class Command(NoArgsCommand):
help = "Can be run as a cronjob or directly to clean out old data from the database (only expired sessions at the moment)."
def handle_noargs(self, **options):
from django.db import transaction
from django.contrib.sessions.models import Session
Session.objects.filter(expire_date__lt=datetime.datetime.now()).delete()
transaction.commit_unless_managed()