code: def link(self):
      
      if self._link is None:
        self._link = ''
  
        if not self.IsLink():
          return self._link
  
        location = getattr(self.path_spec, 'location', None)
        if location is None:
          return self._link
  
        self._link = os.readlink(location)
        self._link = os.path.abspath(self._link)
      return self._link
docs: str: full path of the linked file entry.