python查看方法帮助(from dive into python)

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def info(object, spanding=10, collapse=1):
    """Print methods doc string.
    
    Takes Module, class, list or string"""
    methodList = [method for method in dir(object) if callable(getattr(object,method))]
    processFunc = collapse and (lambda s: " ".join(s.split())) or (lambda s:s)
    print "\n".join(["%s %s" %(method.ljust(spanding),processFunc(str(getattr(object,method).__doc__))) for method in methodList])
    
if __name__ == "__main__":
    li="abc"
    import __builtin__
    info(__builtin__,20,2)
 

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