Synnefo

class Command(BaseCommand):

    help = "List servers"

    option_list = BaseCommand.option_list + (

        make_option('-c',

            action='store_true',

        make_option('--backend_id', dest='backend_id',

                    help="List only servers of the specified backend")

        )

    def handle(self, *args, **options):

        if args:

            raise CommandError("Command doesn't accept any arguments")

        if options['backend_id']:

        else:

            servers = VirtualMachine.objects

        if options['build']:

            servers = servers.filter(operstate='BUILD')

        labels = ('id', 'name', 'owner', 'flavor', 'image', 'state',

                  'backend')

        columns = (3, 12, 20, 11, 12, 9, 40)

        if not options['csv']:

            line = ' '.join(l.rjust(w) for l, w in zip(labels, columns))

            self.stdout.write(line + '\n')

            sep = '-' * len(line)

            self.stdout.write(sep + '\n')

            id = str(server.id)

            try:

                name = server.name.decode('utf8')

                image = server.imageid

            fields = (id, name, server.userid, flavor, image, server.operstate,

                      str(server.backend))

            if options['csv']:

                line = '|'.join(fields)

            else:

                line = ' '.join(f.rjust(w) for f, w in zip(fields, columns))

            self.stdout.write(line.encode('utf8') + '\n')