2 # Thierry Parmentelat - INRIA
4 from PLC.Faults import *
5 from PLC.Method import Method
6 from PLC.Parameter import Parameter, Mixed
7 from PLC.Auth import Auth
9 from PLC.Sites import Sites
10 from PLC.Nodes import Nodes
11 from PLC.Interfaces import Interface, Interfaces
12 from PLC.TagTypes import TagType, TagTypes
13 from PLC.InterfaceTags import InterfaceTag, InterfaceTags
15 # need to import so the core classes get decorated with caller_may_write_tag
16 from PLC.AuthorizeHelpers import AuthorizeHelpers
18 class DeleteInterfaceTag(Method):
20 Deletes the specified interface setting
22 Admins have full access. Non-admins need to
23 (1) have at least one of the roles attached to the tagtype,
24 and (2) belong in the same site as the tagged subject.
26 Returns 1 if successful, faults otherwise.
29 roles = ['admin', 'pi', 'user', 'tech']
33 InterfaceTag.fields['interface_tag_id']
36 returns = Parameter(int, '1 if successful')
38 def call(self, auth, interface_tag_id):
39 interface_tags = InterfaceTags(self.api, [interface_tag_id])
40 if not interface_tags:
41 raise PLCInvalidArgument, "No such interface tag %r"%interface_tag_id
42 interface_tag = interface_tags[0]
44 tag_type_id = interface_tag['tag_type_id']
45 tag_type = TagTypes (self.api,[tag_type_id])[0]
47 interfaces = Interfaces (self.api, interface_tag['interface_id'])
49 raise PLCInvalidArgument, "No such interface %d"%interface_tag['interface_id']
50 interface=interfaces[0]
52 # check authorizations
53 interface.caller_may_write_tag(self.api,self.caller,tag_type)
55 interface_tag.delete()
56 self.object_ids = [interface_tag['interface_tag_id']]