Package fuzzy :: Package complement :: Module Base
Source Code for Module fuzzy.complement.Base

 1  # -*- coding: utf-8 -*- 
 2  # 
 3  # Copyright (C) 2009  Rene Liebscher 
 4  # 
 5  # This program is free software; you can redistribute it and/or modify it under 
 6  # the terms of the GNU Lesser General Public License as published by the Free  
 7  # Software Foundation; either version 3 of the License, or (at your option) any 
 8  # later version. 
 9  # 
10  # This program is distributed in the hope that it will be useful, but WITHOUT  
11  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
12  # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 
13  # details. 
14  #  
15  # You should have received a copy of the GNU Lesser General Public License 
16  # along with this program; if not, see <http://www.gnu.org/licenses/>.  
17  # 
18  """Base class for all complement methods""" 
19  __revision__ = "$Id: Base.py,v 1.7 2010-10-29 19:24:41 rliebscher Exp $" 
20   
21  import fuzzy.Exception 
22   
23 -class ComplementException(fuzzy.Exception.FuzzyException): 
24      """An own exception type for complements.""" 
25      pass 
26   
27   
28 -class Base(object): # pylint: disable=R0903 
29      """Base class for all complement methods""" 
30   
31 -    def __init__(self, *args, **keywords): 
32          """Initialize the complement instance""" 
33          super(Base, self).__init__(*args, **keywords) 
34   
35 -    def __call__(self, value): 
36          """Calculate the complement of the value. 
37          @param value: the value to complement 
38          @type value: float 
39          @return: the complemented value 
40          @rtype: float 
41          """ 
42          raise NotImplementedError("don't use the abstract base class") # pragma: no coverage 
43   
44 -    def __repr__(self): 
45          """Return representation of instance. 
46              
47             @return: representation of instance 
48             @rtype: string 
49             """ 
50          return "%s.%s()" % (self.__class__.__module__, self.__class__.__name__) 
51