• 解决办法:

    import urllib.request
    
    proxy_support = urllib.request.ProxyHandler({"http" : "http://127.0.0.1:8080"})
    opener = urllib.request.build_opener(proxy_support)
    urllib.request.install_opener(opener)
    
    url = "http://127.0.0.1/../../../../a"
    f = urllib.request.urlopen(url)
    print(f.read())