diagnose.py 文件源码

def profile(num_elements=100000, parser="lxml"):

    filehandle = tempfile.NamedTemporaryFile()
    filename = filehandle.name

    data = rdoc(num_elements)
    vars = dict(bs4=bs4, data=data, parser=parser)
    cProfile.runctx('bs4.BeautifulSoup(data, parser)' , vars, vars, filename)

    stats = pstats.Stats(filename)
    # stats.strip_dirs()
    stats.sort_stats("cumulative")
    stats.print_stats('_html5lib|bs4', 50)