def _post_v6(self, request, recipe_id): """Schedules a recipe for reprocessing and returns it in JSON form :param request: the HTTP GET request :type request: :class:`rest_framework.request.Request` :param recipe_id: The id of the recipe :type recipe_id: int encoded as a str :rtype: :class:`rest_framework.response.Response` :returns: the HTTP response to send back to the user """ forced_nodes_json = rest_util.parse_dict(request, 'forced_nodes', required=True) revision_num = rest_util.parse_dict(request, 'revision_num', required=False) try: forced_nodes = ForcedNodesV6(forced_nodes_json, do_validate=True) except InvalidDiff as ex: logger.exception('Unable to reprocess recipe. Invalid input: %s', forced_nodes_json) raise BadParameter(unicode(ex)) try: recipe = Recipe.objects.select_related('recipe_type').get( id=recipe_id) if revision_num: recipe.recipe_type_rev = RecipeTypeRevision.objects.get_revision( recipe.recipe_type.name, revision_num) else: revision_num = recipe.recipe_type.revision_num recipe.recipe_type_rev = RecipeTypeRevision.objects.get_revision( recipe.recipe_type.name, recipe.recipe_type.revision_num) except Recipe.DoesNotExist: raise Http404 except RecipeTypeRevision.DoesNotExist: raise Http404 if recipe.is_superseded: raise BadParameter('Cannot reprocess a superseded recipe') validation = recipe.recipe_type_rev.validate_forced_nodes( forced_nodes_json) if not validation.is_valid: raise BadParameter( 'Unable to reprocess recipe. Errors in validating forced_nodes: %s' % validation.errors) if validation.warnings: logger.warning('Warnings encountered when reprocessing: %s' % validation.warnings) event = TriggerEvent.objects.create_trigger_event( 'USER', None, {'user': '******'}, now()) root_recipe_id = recipe.root_superseded_recipe_id if recipe.root_superseded_recipe_id else recipe.id recipe_type_name = recipe.recipe_type.name # Execute all of the messages to perform the reprocess messages = create_reprocess_messages( [root_recipe_id], recipe_type_name, revision_num, event.id, forced_nodes=forced_nodes.get_forced_nodes()) CommandMessageManager().send_messages(messages) return Response(status=status.HTTP_202_ACCEPTED)