Synnefo

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from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from synnefo.db.models import Flavor

from ._common import format_bool

class Command(BaseCommand):

    help = "List flavors"

    option_list = BaseCommand.option_list + (

        make_option('-c',

            action='store_true',

            dest='csv',

            default=False,

            help="Use pipes to separate values"),

        make_option('--deleted',

            action='store_true',

            dest='deleted',

            default=False,

            help="Include deleted flavors"),

        )

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

        if args:

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

        labels = ('id', 'name', 'cpus', 'ram', 'disk', 'template', 'deleted')

        columns = (3, 12, 6, 6, 6, 10, 7)

        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')

        if options['deleted']:

            flavors = Flavor.objects.all()

        else:

            flavors = Flavor.objects.filter(deleted=False)

        for flavor in flavors:

            id = str(flavor.id)

            cpu = str(flavor.cpu)

            ram = str(flavor.ram)

            disk = str(flavor.disk)

            deleted = format_bool(flavor.deleted)

            fields = (id, flavor.name, cpu, ram, disk, flavor.disk_template,

                      deleted)

            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')