1 from PLC.Faults import *
2 from PLC.Method import Method
3 from PLC.Parameter import Parameter, Mixed
4 from PLC.PCUProtocolTypes import PCUProtocolType, PCUProtocolTypes
5 from PLC.PCUTypes import PCUType, PCUTypes
6 from PLC.Auth import Auth
8 can_update = lambda (field, value): field in \
9 ['pcu_type_id', 'port', 'protocol', 'supported']
11 class AddPCUProtocolType(Method):
13 Adds a new pcu protocol type.
15 Returns the new pcu_protocol_type_id (> 0) if successful, faults otherwise.
20 protocol_type_fields = dict(filter(can_update, PCUProtocolType.fields.items()))
24 Mixed(PCUType.fields['pcu_type_id'],
25 PCUType.fields['model']),
29 returns = Parameter(int, 'New pcu_protocol_type_id (> 0) if successful')
31 def call(self, auth, pcu_type_id_or_model, protocol_type_fields):
33 # Check if pcu type exists
34 pcu_types = PCUTypes(self.api, [pcu_type_id_or_model])
36 raise PLCInvalidArgument, "No such pcu type"
37 pcu_type = pcu_types[0]
40 # Check if this port is already used
41 if 'port' not in protocol_type_fields:
42 raise PLCInvalidArgument, "Must specify a port"
44 protocol_types = PCUProtocolTypes(self.api, {'pcu_type_id': pcu_type['pcu_type_id']})
45 for protocol_type in protocol_types:
46 if protocol_type['port'] == protocol_type_fields['port']:
47 raise PLCInvalidArgument, "Port alreay in use"
49 protocol_type_fields = dict(filter(can_update, protocol_type_fields.items()))
50 protocol_type = PCUProtocolType(self.api, protocol_type_fields)
51 protocol_type['pcu_type_id'] = pcu_type['pcu_type_id']
53 self.event_object = {'PCUProtocolType': [protocol_type['pcu_protocol_type_id']]}
55 return protocol_type['pcu_protocol_type_id']