Source Code for Module jazzparser.taggers.fail.tagger

 1  """A completely null tagger that always fails to assign any tags. 
 2   
 3  This tagger should not be used in practice. It is useful for tests where  
 4  you don't want the parser to succeed, but just check that the scripts work. 
 5   
 6  """ 
 7  """ 
 8  ============================== License ======================================== 
 9   Copyright (C) 2008, 2010-12 University of Edinburgh, Mark Granroth-Wilding 
10    
11   This file is part of The Jazz Parser. 
12    
13   The Jazz Parser is free software: you can redistribute it and/or modify 
14   it under the terms of the GNU General Public License as published by 
15   the Free Software Foundation, either version 3 of the License, or 
16   (at your option) any later version. 
17    
18   The Jazz Parser is distributed in the hope that it will be useful, 
19   but WITHOUT ANY WARRANTY; without even the implied warranty of 
20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
21   GNU General Public License for more details. 
22    
23   You should have received a copy of the GNU General Public License 
24   along with The Jazz Parser.  If not, see <http://www.gnu.org/licenses/>. 
25   
26  ============================ End license ====================================== 
27   
28  """ 
29  __author__ = "Mark Granroth-Wilding <mark.granroth-wilding@ed.ac.uk>"  
30   
31  from jazzparser import settings 
32  from jazzparser.utils.input import assign_durations, strip_input 
33  from jazzparser.taggers import Tagger 
34  from jazzparser.data import Fraction 
35  from jazzparser.utils.options import ModuleOption 
36   
37 -class FailTagger(Tagger): 
38      """ 
39      The input doesn't matter. No tags will ever be returned. 
40       
41      """ 
42      COMPATIBLE_FORMALISMS = [ 
43          'music_roman', 
44          'music_keyspan', 
45          'music_halfspan', 
46      ] 
47      TAGGER_OPTIONS = [] 
48      INPUT_TYPES = ['db', 'chords','segmidi'] 
49       
50 -    def __init__(self, *args, **kwargs): 
51          super(FailTagger, self).__init__(*args, **kwargs) 
52       
53 -    def get_signs(self, offset=0): 
54          return [] 
55               
56 -    def get_word(self, index): 
57          return self.input[index] 
58