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