Adds a WelcomeBot master privilege to StackExchange chatroom user

priv.py

#!/usr/bin/env python

import sys
import shelve

host_id = "stackoverflow.com"
room_id = "22091"

if len(sys.argv) == 1:
    print("""
        usage: %s <user-id>
        """ % (sys.argv[0],))
    exit(1)

user_to_priv = sys.argv[1]
priv_users = shelve.open("privileged_users.txt")

if (host_id + room_id) not in priv_users:
    priv_users[host_id + room_id] = []

if user_to_priv in priv_users[host_id + room_id]:
    print("User already privileged")
    exit(0)
else:
    priv_users[host_id + room_id] += [user_to_priv]
    print("User " + user_to_priv + " added to privileged users for room " + room_id + " on chat." + host_id)