proxycheck.py

import urllib2, socket
import sys

socket.setdefaulttimeout(10)

def is_bad_proxy(pip):
    try:
        proxy_handler = urllib2.ProxyHandler({'https': pip})
        opener = urllib2.build_opener(proxy_handler)
        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
        urllib2.install_opener(opener)
        req=urllib2.Request('https://www.google.com')
        sock=urllib2.urlopen(req)
    except urllib2.HTTPError, e:
        print 'Error code: ', e.code
        return e.code
    except Exception, detail:

        print "ERROR:", detail
        return 1
    return 0


while 1:
     line = sys.stdin.readline()
     line = line.strip()
     if line == '':
         break
     print 'Checking %s...' % line
     if is_bad_proxy(line):
         print '%s is BAD' % line
     else:
         print '**** %s is GOOD ****' % line