writer.py 文件源码

def __init__(self, output, columns = None):
        super().__init__(output)

        if columns is None:
            columns, lines = shutil.get_terminal_size((80, 24))

        self.columns = columns

        self.chars_on_line = 0

        self._prefix = ''
        self.prefix_printable_length = 0

        self.break_regex = re.compile(' ')