text: class Constants(object):
  
      PATH_DATASET = "./recognition/datasets"
      PATH_FACES = "./recognition/faces"
      
      FILE_DATABASE = "./database.db"
      FILE_MODEL = "./recognition/model.xml"
      FILE_CONFIG = "./config.json"
  
      def __setattr__(self, *vars):
          raise NotImplementedError("Constants may not be changed.")
  