def load_file(cls, file_path):
        """Load a Sudoku from file.

        :param file_path: The path to the file to load_file.
        :type file_path: str, unicode
        :return: A Sudoku instance with the parsed
                 information from the file.
        :rtype: :py:class:`dlxsudoku.sudoku.Sudoku`

        """
        with open(os.path.abspath(file_path), 'rt') as f:
            s = Sudoku(f.read().strip())
        return s
Load a Sudoku from file.

        :param file_path: The path to the file to load_file.
        :type file_path: str, unicode
        :return: A Sudoku instance with the parsed
                 information from the file.
        :rtype: :py:class:`dlxsudoku.sudoku.Sudoku`