Source Code for Module duplicity.errors

 1  # -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*- 
 2  # 
 3  # Copyright 2002 Ben Escoto <ben@emerose.org> 
 4  # Copyright 2007 Kenneth Loafman <kenneth@loafman.com> 
 5  # 
 6  # This file is part of duplicity. 
 7  # 
 8  # Duplicity is free software; you can redistribute it and/or modify it 
 9  # under the terms of the GNU General Public License as published by the 
10  # Free Software Foundation; either version 2 of the License, or (at your 
11  # option) any later version. 
12  # 
13  # Duplicity is distributed in the hope that it will be useful, but 
14  # WITHOUT ANY WARRANTY; without even the implied warranty of 
15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
16  # General Public License for more details. 
17  # 
18  # You should have received a copy of the GNU General Public License 
19  # along with duplicity; if not, write to the Free Software Foundation, 
20  # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
21   
22  """ 
23  Error/exception classes that do not fit naturally anywhere else. 
24  """ 
25   
26 -class DuplicityError(Exception): 
27      pass 
28   
29 -class UserError(DuplicityError): 
30      """ 
31      Subclasses use this in their inheritance hierarchy to signal that 
32      the error is a user generated one, and that it is therefore 
33      typically unsuitable to display a full stack trace. 
34      """ 
35      pass 
36   
37 -class NotSupported(DuplicityError): 
38      """ 
39      Exception raised when an action cannot be completed because some 
40      particular feature is not supported by the environment. 
41      """ 
42      pass 
43   
44 -class ConflictingScheme(DuplicityError): 
45      """ 
46      Raised to indicate an attempt was made to register a backend for a 
47      scheme for which there is already a backend registered. 
48      """ 
49      pass 
50   
51 -class InvalidBackendURL(UserError): 
52      """ 
53      Raised to indicate a URL was not a valid backend URL. 
54      """ 
55      pass 
56   
57 -class UnsupportedBackendScheme(InvalidBackendURL, UserError): 
58      """ 
59      Raised to indicate that a backend URL was parsed successfully as a 
60      URL, but was not supported. 
61      """ 
62 -    def __init__(self, url): 
63          InvalidBackendURL.__init__(self, 
64                                     ("scheme not supported in url: %s" % (url,))) 
65          self.url = url 
66   
67 -class BackendException(DuplicityError): 
68      """ 
69      Raised to indicate a backend specific problem. 
70      """ 
71      pass 
72   
73 -class TemporaryLoadException(BackendException): 
74      """ 
75      Raised to indicate a temporary issue on the backend. 
76      Duplicity should back off for a bit and try again. 
77      """ 
78      pass 
79