get_terminal_size.py 文件源码

def _get_terminal_size(fd):
        handle = windll.kernel32.GetStdHandle(_handle_ids[fd])
        if handle == 0:
            raise OSError('handle cannot be retrieved')
        if handle == -1:
            raise WinError()
        csbi = create_string_buffer(22)
        res = windll.kernel32.GetConsoleScreenBufferInfo(handle, csbi)
        if res:
            res = struct.unpack("hhhhHhhhhhh", csbi.raw)
            left, top, right, bottom = res[5:9]
            columns = right - left + 1
            lines = bottom - top + 1
            return terminal_size(columns, lines)
        else:
            raise WinError()