Source Code for Module diffpy.Structure.StructureErrors

 1  ############################################################################## 
 2  # 
 3  # Structure         by DANSE Diffraction group 
 4  #                   Simon J. L. Billinge 
 5  #                   (c) 2006 trustees of the Michigan State University. 
 6  #                   All rights reserved. 
 7  # 
 8  # File coded by:    Pavol Juhas 
 9  # 
10  # See AUTHORS.txt for a list of people who contributed. 
11  # See LICENSE.txt for license information. 
12  # 
13  ############################################################################## 
14   
15  """Exceptions used in Structure package. 
16  """ 
17   
18  __id__ = "$Id: StructureErrors.py 2825 2009-03-09 04:33:12Z juhas $" 
19   
20 -class StructureFormatError(Exception): 
21      """Exception for failed IO from Structure file 
22      """ 
23   
24 -    def __init__(self, value): 
25          self.value = value 
26   
27 -    def __str__(self): 
28          return self.value 
29   
30  # End of StructureFormatError 
31   
32   
33 -class LatticeError(Exception): 
34      """Exception for impossible lattice parameters. 
35      """ 
36   
37 -    def __init__(self, value): 
38          self.value = value 
39   
40 -    def __str__(self): 
41          return self.value 
42   
43  # End of LatticeError 
44   
45   
46 -class SymmetryError(Exception): 
47      """Exception raised for invalid symmetry operations. 
48      """ 
49   
50 -    def __init__(self, value): 
51          self.value = value 
52   
53 -    def __str__(self): 
54          return self.value 
55   
56  # End of SymmetryError 
57   
58   
59 -class IsotropyError(Exception): 
60      """Exception raised for invalid operations on isotropic atoms. 
61      """ 
62   
63 -    def __init__(self, value): 
64          self.value = value 
65   
66 -    def __str__(self): 
67          return self.value 
68   
69  # End of IsotropyError 
70