#!/usr/bin/env python

#coding=utf8

import sys

import requests

def check_for_redirects(url):

    try:

        r =requests.get(url,allow_redirects=False,timeout=0.5)

        if 300 <= r.status_code < 400:

            return r.headers['location']

        else:

            return '[no redirect]'

    except requests.exceptions.Timeout:

        return '[timeout]'

    except requests.exceptions.ConnectionError:

        return '[connection error]'

def check_domains(urls):

    for url in urls:

        url_to_check = url if url.startswith('http') else "http://%s" %url

        redirect_url = check_for_redirects(url_to_check)

        print ("%s => %s" %(url_to_check,redirect_url))

if __name__ == '___main__':

    fname = 'domains.txt'

    try:

        fname = sys.argv[1]

    except IndexError:

        pass

    urls = (l.strip() for l in open(fname).readlines())

    check_domains(urls)