patiencebar.py 文件源码

def _get_terminal_size():
    def ioctl_GWINSZ(fd):
        try:
            import fcntl, termi_os, struct
            cr = struct.unpack('hh', fcntl.ioctl(fd, termi_os.TIOCGWINSZ,'1234'))
        except:
            return
        return cr
    cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
    if not cr:
        try:
            fd = _os.open(_os.ctermid(), _os.O_RDONLY)
            cr = ioctl_GWINSZ(fd)
            _os.cl_ose(fd)
        except:
            pass
    if not cr: cr = (_os.environ.get('LINES', 25), _os.environ.get('COLUMNS', 80))
    return list(map(int, cr))