Upgraded manage.py cleanup to be compatible with time zone support. See also r17121.

import datetime

from django.core.management.base import NoArgsCommand

from django.utils import timezone

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()

        Session.objects.filter(expire_date__lt=timezone.now()).delete()

        transaction.commit_unless_managed()