def maximum_address(self):
        """The maximum address of the data, or ``None`` if the file is empty.

        """

        maximum_address = self._segments.maximum_address

        if maximum_address is not None:
            maximum_address //= self.word_size_bytes

        return maximum_address
def maximum_address ( self ) : maximum_address = self . _segments . maximum_address if maximum_address is not None : maximum_address //= self . word_size_bytes return maximum_address
The maximum address of the data, or ``None`` if the file is empty.