Synnefo

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

from astakos.im.models import Component

class Command(BaseCommand):

    args = "<name> <component URL>"

    help = "Register a component"

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

        if len(args) < 2:

            raise CommandError("Invalid number of arguments")

        name = args[0]

        url = args[1]

        try:

            s = Component.objects.get(name=name)

            m = "There already exists a component named '%s'." % name

            raise CommandError(m)

        except Component.DoesNotExist:

            pass

        components = list(Component.objects.filter(url=url))

        if components:

            m = "Component URL '%s' is registered for another service." % url

            raise CommandError(m)

        try:

            c = Component.objects.create(name=name, url=url)

        except BaseException:

            raise CommandError("Failed to register component.")

        else:

            self.stdout.write('Token: %s\n' % c.auth_token)