Synnefo

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from optparse import make_option

from astakos.im.models import Resource

from snf_django.management.commands import ListCommand

from ._common import show_resource_value, style_options, check_style

class Command(ListCommand):

    help = "List resources"

    object_class = Resource

    option_list = ListCommand.option_list + (

        make_option('--unit-style',

                    default='mb',

                    help=("Specify display unit for resource values "

                          "(one of %s); defaults to mb") % style_options),

    )

    FIELDS = {

        "id": ("id", "ID"),

        "name": ("name", "Resource Name"),

        "service type": ("service_type", "Service type"),

        "service origin": ("service_origin", "Service"),

        "limit": ("limit_with_unit", "Base Quota"),

        "description": ("desc", "Description"),

        "allow_in_projects": ("allow_in_projects",

                              "Make resource available in projects"),

    }

    fields = ["id", "name", "service origin", "limit",

              "description"]

    def show_limit(self, resource):

        limit = resource.uplimit

        return show_resource_value(limit, resource.name, self.unit_style)

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

        self.unit_style = options['unit_style']

        check_style(self.unit_style)

    def handle_db_objects(self, rows, *args, **kwargs):

        for resource in rows:

            resource.limit_with_unit = self.show_limit(resource)