knotty.py 文件源码

def __init__(self, msg, maxval, widgets=None, extrapos=-1):
        self.msg = msg
        self.extrapos = extrapos
        if not widgets:
            widgets = [progressbar.Percentage(), ' ', progressbar.Bar(), ' ',
            progressbar.ETA()]
            self.extrapos = 4

        try:
            self._resize_default = signal.getsignal(signal.SIGWINCH)
        except:
            self._resize_default = None
        progressbar.ProgressBar.__init__(self, maxval, [self.msg + ": "] + widgets, fd=sys.stdout)