2 from PLC.Faults import *
3 from PLC.Method import Method
4 from PLC.Parameter import Parameter, Mixed
5 from PLC.PCUProtocolTypes import PCUProtocolType, PCUProtocolTypes
6 from PLC.PCUTypes import PCUType, PCUTypes
7 from PLC.Auth import Auth
9 can_update = lambda (field, value): field in \
10 ['pcu_type_id', 'port', 'protocol', 'supported']
12 class AddPCUProtocolType(Method):
14 Adds a new pcu protocol type.
16 Returns the new pcu_protocol_type_id (> 0) if successful, faults otherwise.
21 protocol_type_fields = dict(filter(can_update, PCUProtocolType.fields.items()))
25 Mixed(PCUType.fields['pcu_type_id'],
26 PCUType.fields['model']),
30 returns = Parameter(int, 'New pcu_protocol_type_id (> 0) if successful')
32 def call(self, auth, pcu_type_id_or_model, protocol_type_fields):
34 # Check if pcu type exists
35 pcu_types = PCUTypes(self.api, [pcu_type_id_or_model])
37 raise PLCInvalidArgument, "No such pcu type"
38 pcu_type = pcu_types[0]
41 # Check if this port is already used
42 if 'port' not in protocol_type_fields:
43 raise PLCInvalidArgument, "Must specify a port"
45 protocol_types = PCUProtocolTypes(self.api, {'pcu_type_id': pcu_type['pcu_type_id']})
46 for protocol_type in protocol_types:
47 if protocol_type['port'] == protocol_type_fields['port']:
48 raise PLCInvalidArgument, "Port alreay in use"
50 protocol_type_fields = dict(filter(can_update, protocol_type_fields.items()))
51 protocol_type = PCUProtocolType(self.api, protocol_type_fields)
52 protocol_type['pcu_type_id'] = pcu_type['pcu_type_id']
54 self.event_object = {'PCUProtocolType': [protocol_type['pcu_protocol_type_id']]}
56 return protocol_type['pcu_protocol_type_id']