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Source Code for Module fuzzy.complement.Parametric

 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  """Abstract base class for any parametric fuzzy complement""" 
19  __revision__ = "$Id: Parametric.py,v 1.9 2010-10-29 19:24:41 rliebscher Exp $" 
20   
21  from fuzzy.complement.Base import Base 
22  from fuzzy.utils import prop 
23   
24 -class Parametric(Base): 
25      """Abstract base class for any parametric fuzzy complement 
26       
27      @ivar p: parameter for complement 
28      @type p: float 
29      """ 
30      _range = None 
31   
32 -    def __init__(self, p, *args, **keywords): 
33          """Initialize type and parameter 
34           
35          @param p: parameter for complement 
36          @type p: float 
37          """ 
38          super(Parametric, self).__init__(*args, **keywords) 
39          self.p = p 
40   
41      # pylint: disable=E0211,E0202 
42      #ID:E0211 Parametric.p: Method has no argument 
43      #ID:E0202 Parametric.p: An attribute inherited from Parametric hide this method 
44      @prop 
45 -    def p(): #@NoSelf 
46          """x 
47          @type: float""" 
48          def fget(self): # pylint: disable=W0612,C0111 
49              return self._p 
50          def fset(self, value): # pylint: disable=W0612,C0111 
51              self._checkParam(value) 
52              self._p = value 
53          return locals() 
54   
55      # pylint: disable=E0211 
56      #ID:E0211 Parametric.p_range: Method has no argument 
57      @prop 
58 -    def p_range(): #@NoSelf 
59          """range(s) of valid values for p""" 
60          def fget(self): # pylint: disable=W0612,C0111 
61              return self._range 
62          return locals() 
63   
64 -    def _checkParam(self, value): 
65          """check parameter if allowed for parameter p 
66          @param value: the value to be checked  
67          @type value: float""" 
68          from fuzzy.utils import checkRange 
69          if not checkRange(value, self._range): 
70              from fuzzy.Exception import FuzzyException 
71              raise FuzzyException("Parameter value %s is not allowed" % str(value)) 
72   
73 -    def __repr__(self): 
74          """Return representation of instance. 
75                      
76             @return: representation of instance 
77             @rtype: string 
78             """ 
79          return "%s.%s(p=%s)" % (self.__class__.__module__, self.__class__.__name__, self._p) 
80   

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