code: def luid(self):
          
          p_elem = self.parent_pipeline.get('name')
          if not p_elem:
              p_elem = self.parent_pipeline['uid']
  
          s_elem = self.name
          if not s_elem:
              s_elem = self.uid
  
          return '%s.%s' % (p_elem, s_elem)
docs: Unique ID of the current stage (fully qualified).
  
          example:
              >>> stage.luid
              pipe.0001.stage.0004
  
          :getter: Returns the fully qualified uid of the current stage
          :type: String