Misago/misago/users/management/commands/populateonlinetracker.py

from django.contrib.auth import get_user_model
from django.core.management.base import BaseCommand

from misago.users.models import Online


UserModel = get_user_model()


class Command(BaseCommand):
    help = 'Populates online tracker for user accounts that lack it.'

    def handle(self, *args, **options):
        entries_created = 0
        queryset = UserModel.objects.filter(online_tracker__isnull=True)
        for user in queryset.iterator():
            Online.objects.create(
                user=user,
                current_ip=user.joined_from_ip,
                last_click=user.last_login,
            )
            entries_created += 1

        self.stdout.write('Tracker entries created: %s' % entries_created)