Synnefo

from operator import itemgetter

from time import gmtime, strftime

from functools import wraps, partial

from django.conf import settings

    @handle_backend_exceptions

    def add_user(self, image_id, user):

        image = self.get_image(image_id)

        location = image['location']

        permissions = self._get_permissions(location)

    def list_users(self, image_id):

        image = self.get_image(image_id)

        permissions = self._get_permissions(image['location'])

        return [user for user in permissions.get('read', []) if user != '*']

    @handle_backend_exceptions

    def remove_user(self, image_id, user):

        image = self.get_image(image_id)

        location = image['location']

        permissions = self._get_permissions(location)

    @handle_backend_exceptions

    def replace_users(self, image_id, users):

        image = self.get_image(image_id)

        location = image['location']

        permissions = self._get_permissions(location)

    def update(self, image_id, params):

        image = self.get_image(image_id)

        assert image, "Image not found"

        location = image['location']

        is_public = params.pop('is_public', None)

    def unregister(self, image_id):

        """Unregister an image."""

        image = self.get_image(image_id)

        location = image["location"]

        # Unregister the image by removing all metadata from domain

from synnefo.lib.astakos import get_user

from synnefo.plankton.backend import (ImageBackend, BackendException,

                                      NotAllowedError)

log = getLogger('synnefo.plankton')

                return HttpResponseBadRequest(message)

            except NotAllowedError:

                return HttpResponseForbidden()

            except Exception as e:

                if settings.DEBUG:

                    message = format_exc(e)