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annif.corpus.combine.CombinedCorpus.subjects()   A

↳ Parent: annif.corpus.combine

Complexity

Conditions 3

Size

Total Lines 12
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 12
dl 0
loc 12
rs 9.8
c 0
b 0
f 0
cc 3
nop 1
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"""Class for combining multiple corpora so they behave like a single corpus"""
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import itertools

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from .types import DocumentCorpus

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class CombinedCorpus(DocumentCorpus):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Class for combining multiple corpora so they behave like a single

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    corpus"""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def __init__(self, corpora):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self._corpora = corpora

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    @property

            


            
                                                        
            
                                    
            
            

                
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    def documents(self):

            


            
                                                        
            
                                    
            
            

                
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        return itertools.chain.from_iterable(

            


            
                                                        
            
                                    
            
            

                
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            [corpus.documents for corpus in self._corpora])

            


            
                                                        
            
                                    
            
            

                
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    def set_subject_index(self, subject_index):

            


            
                                                        
            
                                    
            
            

                
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        """Set a subject index for looking up labels that are necessary for

            


            
                                                        
            
                                    
            
            

                
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        conversion"""

            


            
                                                        
            
                                    
            
            

                
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        for corpus in self._corpora:

            


            
                                                        
            
                                    
            
            

                
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            if hasattr(corpus, 'set_subject_index'):

            


            
                                                        
            
                                    
            
            

                
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                corpus.set_subject_index(subject_index)

            


            
                                                        
            
                                    
            
            

                
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