tmp

def check_update_via_link():
    now = time.ctime()
    url = "http://xxx"
    try:
        r = requests.get(url=url, verify=False, timeout=3)
        if r.status_code==200:
            print 'Update user OK at ' + now
            #sys.exit(0)
        else :
            print 'Update user FAILED at ' + now
            sys.exit(2)
    except requests.exceptions.HTTPError, err:
        return 'Update user FAILED at ' + now + str(err)
        sys.exit(1)
    except requests.exceptions.RequestException as err:
        print 'Update user FAILED OOps: Something Else: ' + str(err)
        sys.exit(1)
    except requests.exceptions.ConnectionError as errc:
        print 'Update user FAILED Error Connecting: ' + str(errc)
        sys.exit(1)
    except requests.exceptions.Timeout:
        print 'Update user FAILED Timeout Error: '  + str(errt)
        sys.exit(1)