2 # Thierry Parmentelat - INRIA
7 from PLC.Faults import *
8 from PLC.Method import Method
9 from PLC.Parameter import Parameter, Mixed
10 from PLC.Auth import Auth
12 from PLC.NodeTags import NodeTag, NodeTags
13 from PLC.Nodes import Node, Nodes
15 from PLC.Nodes import Nodes
16 from PLC.Sites import Sites
18 class UpdateNodeTag(Method):
20 Updates the value of an existing node tag
22 Access rights depend on the node tag type.
24 Returns 1 if successful, faults otherwise.
27 roles = ['admin', 'pi', 'tech', 'user']
31 NodeTag.fields['node_tag_id'],
32 NodeTag.fields['tagvalue']
35 returns = Parameter(int, '1 if successful')
39 def call(self, auth, node_tag_id, value):
40 node_tags = NodeTags(self.api, [node_tag_id])
42 raise PLCInvalidArgument, "No such node tag %r"%node_tag_id
43 node_tag = node_tags[0]
45 ### reproducing a check from UpdateSliceAttribute, looks dumb though
46 nodes = Nodes(self.api, [node_tag['node_id']])
48 raise PLCInvalidArgument, "No such node %r"%node_tag['node_id']
51 assert node_tag['node_tag_id'] in node['tag_ids']
53 # check permission : it not admin, is the user affiliated with the right site
54 if 'admin' not in self.caller['roles']:
56 node = Nodes (self.api,[node['node_id']])[0]
58 site = Sites (self.api, [node['site_id']])[0]
59 # check caller is affiliated with this site
60 if self.caller['person_id'] not in site['person_ids']:
61 raise PLCPermissionDenied, "Not a member of the hosting site %s"%site['abbreviated_site']
63 required_min_role = tag_type ['min_role_id']
64 if required_min_role is not None and \
65 min(self.caller['role_ids']) > required_min_role:
66 raise PLCPermissionDenied, "Not allowed to modify the specified node tag, requires role %d",required_min_role
68 node_tag['tagvalue'] = value
71 self.object_ids = [node_tag['node_tag_id']]