progress.py 文件源码

def bar(ndigits=3, **kwargs):
    if progressbar.__version__ > '3':
        counterfmt = '%(value)'+str(ndigits)+'d'
    else:
        counterfmt = '%'+str(ndigits)+'d'

    pbar = IncrementingProgressBar(widgets=[
        progressbar.Percentage(), '|', progressbar.Counter(counterfmt),
        progressbar.Bar(), progressbar.ETA()], **kwargs)
    return pbar