zoukankan      html  css  js  c++  java
  • [python]通过urllib2设置代理访问网址

    #!/usr/bin/env python
    import urllib2

    # change followings before use
    user = 'foo'
    passwd = 'bar'
    proxyserver = '1.2.3.4:5'
    url = 'http://www.google.com/'

    def proxy1():
    # work
    proxy = 'http://%s:%s@%s' % (user, passwd, proxyserver)
    opener = urllib2.build_opener( urllib2.ProxyHandler({'http':proxy}) )
    urllib2.install_opener( opener )

    sContent = urllib2.urlopen(url)
    print sContent.read()

    def proxy2():
    # work for someone, but not for me
    passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
    passmgr.add_password('realm', proxyserver, user, passwd)
    authinfo = urllib2.ProxyBasicAuthHandler(passmgr)

    proxy = 'http://%s' % proxyserver
    opener = urllib2.build_opener(urllib2.ProxyHandler( {'http':proxy} ), authinfo)
    urllib2.install_opener(opener)

    sContent = urllib2.urlopen(url)
    print sContent.read()

    def proxy3():
    # work for someone, but not for me
    authinfo = urllib2.HTTPBasicAuthHandler()
    authinfo.add_password('realm', proxyserver, user, passwd)

    proxy = 'http://%s' % proxyserver
    opener = urllib2.build_opener(urllib2.ProxyHandler( {'http':proxy} ), authinfo)
    urllib2.install_opener(opener)

    sContent = urllib2.urlopen(url)
    print sContent.read()

    在linux系统中,假设urllib2设置的代理不好用能够试试环境变量:
    export http_proxy='protocol://user:passwd@proxyserver:port'
    export https_proxy='protocol://user:passwd@proxyserver:port'
    比方通过代理上传appengine文件,其SDK中的rpc不提供代理设置,就能够用这招。

  • 相关阅读:
    C#心得与经验(二)
    C#心得与经验(一)
    与C#的第一次~
    2014应届生面试经验详谈。
    Block基本用法
    OC中得那些“点”
    PCH文件的使用
    UIScrollView的subViews使用小注意
    分享一下本人录制图像处理与OpenCV学习视频
    OpenCV 3.2正式发布啦
  • 原文地址:https://www.cnblogs.com/mfryf/p/3753575.html
Copyright © 2011-2022 走看看