Check for internet connectivity

# Check for internet connectivity:

#Example 1

import sys, time, urllib2

print ("Checking internet activity")
time.sleep (3.0)
try:
    con = urllib2.urlopen('http://www.google.com/')
    data = con.read()
    print 'Checking for internet connectivity please wait ...'
    print 'Internet connectivity ... OK!'
    print 'Starting update script!'
except:
    print 'No internet :('
    sys.exit()




#Example 2

#!/usr/bin/python2

import urllib
try :
    stri = "https://www.google.com"
    data = urllib.urlopen(stri)
    print "Connectivity to www found"
except e:
    print "not connected" ,e