Source Code for Module rospy.exceptions

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34   
35  """rospy exception types""" 
36   
37 -class ROSException(Exception):  
38      """ 
39      Base exception class for ROS clients 
40      """ 
41      pass     
42   
43 -class ROSSerializationException(ROSException): 
44      """ 
45      Exception for message serialization errors 
46      """     
47      pass 
48   
49 -class ROSInitException(ROSException): 
50      """ 
51      Exception for errors initializing ROS state 
52      """     
53      pass 
54   
55 -class ROSInterruptException(ROSException, KeyboardInterrupt): 
56      """ 
57      Exception for operations that interrupted, e.g. due to shutdown. 
58   
59      This is a subclass of both L{ROSException} and KeyboardInterrupt 
60      so that it can be used in logic tht expects either. 
61      """     
62      pass 
63   
64 -class ROSTimeMovedBackwardsException(ROSInterruptException):  
65      """ 
66      Exception if time moved backwards 
67      """ 
68 -    def __init__(self, time): 
69          self.time = time 
70          """The amount of time in seconds.""" 
71          super(ROSTimeMovedBackwardsException, self).__init__("ROS time moved backwards") 
72   
73 -class ROSInternalException(Exception): 
74      """ 
75      Base class for exceptions that are internal to the ROS system 
76      """     
77      pass 
78   
79 -class TransportException(ROSInternalException): 
80      """ 
81      Base class for transport-related exceptions 
82      """     
83      pass 
84   
85 -class TransportTerminated(TransportException): 
86      """ 
87      Internal class for representing broken connections 
88      """     
89      pass 
90   
91 -class TransportInitError(TransportException): 
92      """ 
93      Internal exception for representing exceptions that occur 
94      establishing transports 
95      """ 
96      pass 
97