3 # Thierry Parmentelat - INRIA
8 from PLC.Faults import *
9 from PLC.Method import Method
10 from PLC.Parameter import Parameter, Mixed
11 from PLC.Auth import Auth
13 from PLC.NodeTags import NodeTag, NodeTags
14 from PLC.Nodes import Node, Nodes
16 from PLC.Nodes import Nodes
17 from PLC.Sites import Sites
19 class UpdateNodeTag(Method):
21 Updates the value of an existing node tag
23 Access rights depend on the node tag type.
25 Returns 1 if successful, faults otherwise.
28 roles = ['admin', 'pi', 'tech', 'user']
32 NodeTag.fields['node_tag_id'],
33 NodeTag.fields['tagvalue']
36 returns = Parameter(int, '1 if successful')
40 def call(self, auth, node_tag_id, value):
41 node_tags = NodeTags(self.api, [node_tag_id])
43 raise PLCInvalidArgument, "No such node tag %r"%node_tag_id
44 node_tag = node_tags[0]
46 ### reproducing a check from UpdateSliceAttribute, looks dumb though
47 nodes = Nodes(self.api, [node_tag['node_id']])
49 raise PLCInvalidArgument, "No such node %r"%node_tag['node_id']
52 assert node_tag['node_tag_id'] in node['tag_ids']
54 # check permission : it not admin, is the user affiliated with the right site
55 if 'admin' not in self.caller['roles']:
57 node = Nodes (self.api,[node['node_id']])[0]
59 site = Sites (self.api, [node['site_id']])[0]
60 # check caller is affiliated with this site
61 if self.caller['person_id'] not in site['person_ids']:
62 raise PLCPermissionDenied, "Not a member of the hosting site %s"%site['abbreviated_site']
64 required_min_role = tag_type ['min_role_id']
65 if required_min_role is not None and \
66 min(self.caller['role_ids']) > required_min_role:
67 raise PLCPermissionDenied, "Not allowed to modify the specified node tag, requires role %d",required_min_role
69 node_tag['tagvalue'] = value
72 self.object_ids = [node_tag['node_tag_id']]