Source Code for Module nltk.stem.api

 1  # Natural Language Toolkit: Stemmer Interface 
 2  # 
 3  # Copyright (C) 2001-2008 NLTK Project 
 4  # Author: Trevor Cohn <[email protected]> 
 5  #         Edward Loper <[email protected]> 
 6  #         Steven Bird <[email protected]> 
 7  # URL: <http://nltk.org> 
 8  # For license information, see LICENSE.TXT 
 9   
10 -class StemmerI(object): 
11      """ 
12      A processing interface for removing morphological affixes from 
13      words.  This process is known as X{stemming}. 
14       
15      """ 
16 -    def stem(self, token): 
17          """ 
18          Strip affixes from the token and return the stem. 
19   
20          @param token: The token that should be stemmed. 
21          @type token: C{str} 
22          """ 
23          raise NotImplementedError() 
24