utils.py 文件源码

def sub(self, msg=None, **kwargs):
        """Creates a new progress bar for tracking a sub-process.

        Parameters
        ----------
        msg : str, optional
            Description of sub-process
        """

        if self.sub_bar is not None and self.sub_bar.finished is False:
            self.sub_bar.finish()

        self.sub_bar = ProgressBar(
            present="%s: %s" % (self.present, msg) if msg else self.present,
            **kwargs)
        self.sub_bar.finish = partial(self.sub_bar.finish, end="\r")

        return self.sub_bar