code: def set_data_length(self, length):
          # type: (int) -> None
          '''
          A method to set the length of data for this El Torito Entry.
  
          Parameters:
           length - The new length for the El Torito Entry.
          Returns:
           Nothing.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('El Torito Entry not initialized')
          self.sector_count = utils.ceiling_div(length, 512f set_data_length(self, length):
          # type: (int) -> None
          '''
          A method to set the length of data for this El Torito Entry.
  
          Parameters:
           length - The new length for the El Torito Entry.
          Returns:
           Nothing.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('El Torito Entry not initialized')
          self.sector_count = utils.ceiling_div(length, 512)
docs: A method to set the length of data for this El Torito Entry.
  
          Parameters:
           length - The new length for the El Torito Entry.
          Returns:
           Nothing.