Synnefo

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from astakos.im.models import Group

from snf_django.management.commands import ListCommand

def users_count(group):

    return group.user_set.count()

class Command(ListCommand):

    help = "List available groups"

    object_class = Group

    FIELDS = {

        'id': ('id', 'The id of the group'),

        'name': ('name', 'The name of the group'),

        'users_count': (users_count, 'The number of the group users'),

    }

    fields = ['id', 'name', 'users_count']