Misago/misago/management/commands/rebuildacls.py

from django.core.management.base import BaseCommand
from misago.monitor import Monitor

class Command(BaseCommand):
    help = 'Rebuilds ACLs for all users'

    def handle(self, *args, **options):
        Monitor().increase('acl_version')
        self.stdout.write('\nUser ACLs cache has been set as outdated and will be rebuild when needed.\n')