请问使用代理情况下,如何用python访问"www.sina.com.cn"

yuonunix

我的机器必须设置代理,才能访问网页,请问这种情况下,如何编程用python访问网页内容.(需要在我的机器上运行)

asnama

这是我下载文件的代码，你可以参考参考

## Download files import sys, os, urllib2 PATH = r'D:\SF\test' def buildproxy():     '''     build a new opener that uses a proxy requiring authorization     '''          username = 'test'     password = 'test1'     proxy_info = {     'user' : username,     'pass' : password,     'host' : 'proxy,     'port' : 8080     }     # build a new opener that uses a proxy requiring authorization     proxy_support = urllib2.ProxyHandler({'http' : \     'http://%(user)s:%(pass)s@%(host)s:%(port)d' % proxy_info})     opener = urllib2.build_opener(proxy_support, urllib2.HTTPHandler)     #print 'http://%(user)s:%(pass)s@%(host)s:%(port)d' % proxy_info          # install it     urllib2.install_opener(opener) def main():          if len(sys.argv) != 2: exit('Please specify the URL to download')     buildproxy()          target = sys.argv[1]     filename = os.path.join(PATH, urllib2.unquote(target.split('/')[-1])) ##    print filename     try:         content = urllib2.urlopen(target).read()         open(filename,'wb').write(content)         print 'Save file to %s' % filename     except:         print 'Failed to get file' if __name__ == '__main__':     main()