Class: Magika::FileType

Inherits:
Object
  • Object
show all
Defined in:
lib/magika.rb

Constant Summary collapse

CONTENT_TYPES_PATH = 
File.join(ASSETS_DIR, "content_types_kb.min.json")
CONTENT_TYPES = 
JSON.load_file(CONTENT_TYPES_PATH, symbolize_names: true)
MEDIUM_CONFIDENCE_THRESHOLD = 

      
        
THRESHOLDS =
          
        

        

      
    

  




  
Instance Attribute Summary collapse

  




  
    

      Class Method Summary
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      Instance Method Summary
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Constructor Details

  
    

  

  
    #initialize(label, score)  ⇒ FileType 
  

  

  




  

    

Returns a new instance of FileType.



  





  



  

    
      


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# File 'lib/magika.rb', line 131

def initialize(label, score)
  @inferred_label = label
  @score = score
  @overwritten = nil
  @content_type = nil
end

    		
  





  



  

    
Instance Attribute Details

    
      
      
      

  

  
    #score  ⇒ Object  (readonly)
  

  

  




  

    

Returns the value of attribute score.



  





  



  

    
      


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# File 'lib/magika.rb', line 121

def score
  @score
end

    		
  





    
  



  

    
Class Method Details


    
      

  

  
    .from_inference(inference)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/magika.rb', line 124

def from_inference(inference)
index = inference.argmax
score = inference[index]
FileType.new(TARGET_LABELS_SPACE[index], score)
end

    		
  





    
  


  

    
Instance Method Details


    
      

  

  
    #inspect  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/magika.rb', line 153

def inspect
  "#<#{self.class} label=#{label} score=#{score} #{mime_type} #{description.dump} (#{group})>"
end

    		
  





    
      

  

  
    #label  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/magika.rb', line 138

def label
  content_type
  @overwritten || @inferred_label
end

    		
  





    
      

  

  
    #text?  ⇒ Boolean 
  

  

  




  

    

  





  

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  • 
      
      
        (Boolean)
      
      
      
    
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# File 'lib/magika.rb', line 149

def text?
  content_type[:is_text]
end