Synnefo

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from snf_django.management.commands import SynnefoCommand, CommandError

from django.db import transaction

from astakos.im.models import Component

class Command(SynnefoCommand):

    args = "<component ID or name>"

    help = "Remove a component along with its registered services"

    @transaction.commit_on_success

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

        if len(args) != 1:

            raise CommandError("Please provide a component ID or name")

        ident = args[0]

        try:

            try:

                ident = int(ident)

                component = Component.objects.get(id=ident)

            except ValueError:

                component = Component.objects.get(name=ident)

        except Component.DoesNotExist:

            raise CommandError(

                "Component does not exist. You may run snf-manage "

                "component-list for available component IDs.")

        component.delete()