4 # Thierry Parmentelat - INRIA
8 from PLC.Faults import *
9 from PLC.Method import Method
10 from PLC.Parameter import Parameter, Mixed
11 from PLC.TagTypes import TagType, TagTypes
12 from PLC.Auth import Auth
14 can_update = lambda (field, value): field in \
15 ['tagname', 'description', 'category', 'min_role_id']
17 class UpdateTagType(Method):
19 Updates the parameters of an existing tag type
20 with the values in tag_type_fields.
22 Returns 1 if successful, faults otherwise.
27 tag_type_fields = dict(filter(can_update, TagType.fields.items()))
31 Mixed(TagType.fields['tag_type_id'],
32 TagType.fields['tagname']),
36 returns = Parameter(int, '1 if successful')
38 def call(self, auth, tag_type_id_or_name, tag_type_fields):
39 tag_type_fields = dict(filter(can_update, tag_type_fields.items()))
41 tag_types = TagTypes(self.api, [tag_type_id_or_name])
43 raise PLCInvalidArgument, "No such tag type"
44 tag_type = tag_types[0]
46 tag_type.update(tag_type_fields)
48 self.object_ids = [tag_type['tag_type_id']]