# $Id# # # Thierry Parmentelat - INRIA # # $Revision: 9423 $ # from PLC.Faults import * from PLC.Method import Method from PLC.Parameter import Parameter, Mixed from PLC.Auth import Auth from PLC.NodeTags import NodeTag, NodeTags from PLC.Nodes import Node, Nodes from PLC.Nodes import Nodes from PLC.Sites import Sites class UpdateNodeTag(Method): """ Updates the value of an existing node tag Access rights depend on the node tag type. Returns 1 if successful, faults otherwise. """ roles = ['admin', 'pi', 'tech', 'user'] accepts = [ Auth(), NodeTag.fields['node_tag_id'], NodeTag.fields['tagvalue'] ] returns = Parameter(int, '1 if successful') object_type = 'Node' def call(self, auth, node_tag_id, value): node_tags = NodeTags(self.api, [node_tag_id]) if not node_tags: raise PLCInvalidArgument, "No such node tag %r"%node_tag_id node_tag = node_tags[0] ### reproducing a check from UpdateSliceAttribute, looks dumb though nodes = Nodes(self.api, [node_tag['node_id']]) if not nodes: raise PLCInvalidArgument, "No such node %r"%node_tag['node_id'] node = nodes[0] assert node_tag['node_tag_id'] in node['tag_ids'] # check permission : it not admin, is the user affiliated with the right site if 'admin' not in self.caller['roles']: # locate node node = Nodes (self.api,[node['node_id']])[0] # locate site site = Sites (self.api, [node['site_id']])[0] # check caller is affiliated with this site if self.caller['person_id'] not in site['person_ids']: raise PLCPermissionDenied, "Not a member of the hosting site %s"%site['abbreviated_site'] required_min_role = tag_type ['min_role_id'] if required_min_role is not None and \ min(self.caller['role_ids']) > required_min_role: raise PLCPermissionDenied, "Not allowed to modify the specified node tag, requires role %d",required_min_role node_tag['tagvalue'] = value node_tag.sync() self.object_ids = [node_tag['node_tag_id']] return 1