Source Code for Module rocon_hub_client.exceptions

 1  #!/usr/bin/env python 
 2  # 
 3  # License: BSD 
 4  #   https://raw.github.com/robotics-in-concert/rocon_multimaster/master/rocon_hub_client/LICENSE 
 5  # 
 6   
 7  ''' 
 8    Core exceptions raised when interacting with a rocon hub. 
 9  ''' 
10  ############################################################################## 
11  # Imports 
12  ############################################################################## 
13   
14  from gateway_msgs.msg import ErrorCodes 
15   
16  ############################################################################## 
17  # Exceptions 
18  ############################################################################## 
19   
20   
21 -class HubError(Exception): 
22 -    def __init__(self, msg): 
23          super(HubError, self).__init__(msg) 
24          self.id = '' 
25   
26   
27  # Raised when the gateway can't connect to the hub's redis server 
28 -class HubNotFoundError(HubError): 
29 -    def __init__(self, msg): 
30          super(HubNotFoundError, self).__init__(msg) 
31          self.id = ErrorCodes.HUB_CONNECTION_UNRESOLVABLE 
32   
33   
34  # Raised when the hub's redis server has no key setting for the hub name. 
35 -class HubNameNotFoundError(HubError): 
36 -    def __init__(self, msg): 
37          super(HubNameNotFoundError, self).__init__(msg) 
38          self.id = ErrorCodes.HUB_NAME_NOT_FOUND 
39   
40   
41  # When the hub name or uri is in the blacklist 
42 -class HubConnectionBlacklistedError(HubError): 
43 -    def __init__(self, msg): 
44          super(HubConnectionBlacklistedError, self).__init__(msg) 
45          self.id = ErrorCodes.HUB_CONNECTION_BLACKLISTED 
46   
47   
48  # When the hub name or uri is not in a non-empty whitelist 
49 -class HubConnectionNotWhitelistedError(HubError): 
50 -    def __init__(self, msg): 
51          super(HubConnectionNotWhitelistedError, self).__init__(msg) 
52          self.id = ErrorCodes.HUB_CONNECTION_NOT_IN_NONEMPTY_WHITELIST 
53   
54   
55  # When the hub name or uri is not in a non-empty whitelist 
56 -class HubConnectionAlreadyExistsError(HubError): 
57 -    def __init__(self, msg): 
58          super(HubConnectionAlreadyExistsError, self).__init__(msg) 
59          self.id = ErrorCodes.HUB_CONNECTION_NOT_IN_NONEMPTY_WHITELIST 
60   
61   
62  # Raised when a hub client tries an operation on a hub that has lost its 
63  # connection 
64 -class HubConnectionLostError(HubError): 
65 -    def __init__(self, msg): 
66          super(HubConnectionLostError, self).__init__(msg) 
67          self.id = ErrorCodes.HUB_CONNECTION_NOT_IN_NONEMPTY_WHITELIST 
68