Source Code for Module command_system.errors

 1  # Copyright (C) 2009-2010  Alexander Cherniuk <ts33kr@gmail.com> 
 2  # 
 3  # This program is free software: you can redistribute it and/or modify 
 4  # it under the terms of the GNU General Public License as published by 
 5  # the Free Software Foundation, either version 3 of the License, or 
 6  # (at your option) any later version. 
 7  # 
 8  # This program is distributed in the hope that it will be useful, 
 9  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
10  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
11  # GNU General Public License for more details. 
12  # 
13  # You should have received a copy of the GNU General Public License 
14  # along with this program.  If not, see <http://www.gnu.org/licenses/>. 
15   
16 -class BaseError(Exception): 
17      """ 
18      Common base for errors which relate to a specific command. 
19      Encapsulates everything needed to identify a command, by either its 
20      object or name. 
21      """ 
22   
23 -    def __init__(self, message, command=None, name=None): 
24          self.message = message 
25   
26          self.command = command 
27          self.name = name 
28   
29          if command and not name: 
30              self.name = command.first_name 
31   
32          super(BaseError, self).__init__() 
33   
34 -    def __str__(self): 
35          return self.message 
36   
37 -class DefinitionError(BaseError): 
38      """ 
39      Used to indicate errors occured on command definition. 
40      """ 
41      pass 
42   
43 -class CommandError(BaseError): 
44      """ 
45      Used to indicate errors occured during command execution. 
46      """ 
47      pass 
48   
49 -class NoCommandError(BaseError): 
50      """ 
51      Used to indicate an inability to find the specified command. 
52      """ 
53      pass 
54