Cheetah/Utils/optik/errors.py

   1 """optik.errors
   2
   3 Exception classes used by Optik.
   4 """
   5
   6 __revision__ = "$Id: errors.py,v 1.1 2002/08/24 17:10:06 hierro Exp $"
   7
   8 # Copyright (c) 2001 Gregory P. Ward.  All rights reserved.
   9 # See the README.txt distributed with Optik for licensing terms.
  10
  11 # created 2001/10/17 GPW (from optik.py)
  12
  13
  14 class OptikError (Exception):
  15     def __init__ (self, msg):
  16         self.msg = msg
  17
  18     def __str__ (self):
  19         return self.msg
  20
  21
  22 class OptionError (OptikError):
  23     """
  24     Raised if an Option instance is created with invalid or
  25     inconsistent arguments.
  26     """
  27
  28     def __init__ (self, msg, option):
  29         self.msg = msg
  30         self.option_id = str(option)
  31
  32     def __str__ (self):
  33         if self.option_id:
  34             return "option %s: %s" % (self.option_id, self.msg)
  35         else:
  36             return self.msg
  37
  38 class OptionConflictError (OptionError):
  39     """
  40     Raised if conflicting options are added to an OptionParser.
  41     """
  42
  43 class OptionValueError (OptikError):
  44     """
  45     Raised if an invalid option value is encountered on the command
  46     line.
  47     """
  48
  49 class BadOptionError (OptikError):
  50     """
  51     Raised if an invalid or ambiguous option is seen on the command-line.
  52     """