ggroup.py

#!/usr/bin/env python3
# Google Groups v1
# python3 ggroup.py domains.txt
import requests
import re
import sys

with open(sys.argv[1]) as f:
    sites = f.read().splitlines()

msg = ""
for site in sites:
    r = requests.get("https://groups.google.com/a/"+site+"/d/")
    if r.status_code == 500:
        msg = "500 Error: Google Groups not found"
    elif "Redirecting to" in r.text:
        try:
            rr = requests.get("https://accounts.google.com/AccountChooser?continue=https://groups.google.com/a/"+site+"/d/&hl=en&service=groups2&hd="+site)
            if rr.status_code == 200 and "https://accounts.google.com/Service" in rr.url:
                msg = "- redirect to Google"
            else:
                msg = "- redirect to {}".format(rr.url)
        except requests.exceptions.RequestException as e:
            host = re.findall(r"host='(.*?)', port", str(e))[0]
            uri = re.findall(r'url: (.*?) \(Caused', str(e))[0]
            msg = "- redirect to INTERNAL HOST: {}{}".format(host, uri)
    elif r.status_code == 404:
        msg = "- 404"
    else:
        msg = "- Open!"

    print(site, msg)