Source Code for Module mvpa.misc.exceptions

 1  # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*- 
 2  # vi: set ft=python sts=4 ts=4 sw=4 et: 
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 4  # 
 5  #   See COPYING file distributed along with the PyMVPA package for the 
 6  #   copyright and license terms. 
 7  # 
 8  ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ## 
 9  """Exception classes which might get thrown""" 
10   
11  __docformat__ = 'restructuredtext' 
12   
13 -class UnknownStateError(Exception): 
14      """Thrown if the internal state of the class is not yet defined. 
15   
16      Classifiers and Algorithms classes might have properties, which 
17      are not defined prior to training or invocation has happened. 
18      """ 
19   
20 -    def __init__(self, msg=""): 
21          Exception.__init__(self) 
22          self.__msg = msg 
23   
24 -    def __str__(self): 
25          return "Exception: " + self.__msg 
26   
27   
28 -class DatasetError(Exception): 
29      """Thrown if there is an internal problem with a Dataset. 
30   
31      ValueError exception is too generic to be used for any needed case, 
32      thus this one is created 
33      """ 
34   
35 -    def __init__(self, msg=""): 
36          Exception.__init__(self) 
37          self.__msg = msg 
38   
39 -    def __str__(self): 
40          return "Dataset handling exception: " + self.__msg 
41   
42   
43 -class ConvergenceError(Exception): 
44      """Thrown if some algorithm does not converge to a solution. 
45      """ 
46 -    def __init__(self): 
47          Exception.__init__(self) 
48   
49   
50 -class InvalidHyperparameterError(Exception): 
51      """Generic exception to be raised when setting improper values 
52      as hyperparameters.""" 
53 -    def __init__(self): 
54          Exception.__init__(self) 
55