prelude.py 文件源码

def progress_bar(n):
    import progressbar
    return progressbar.ProgressBar(
        max_value=n,
        widgets=[
            progressxbar.Percentage(),
            ' ',
            '(',
            progressbar.SimpleProgress(),
            ')',
            ' ',
            progressbar.Bar(),
            ' ',
            progressbar.AdaptiveETA(),
        ])


# http://code.activestate.com/recipes/577058/