#!/usr/bin/python
import praw, time, subprocess

def send_message(notify_text):
    subprocess.Popen(["notify-send", "Reddit Notifier", notify_text])
    return

r = praw.Reddit('Reddit Monitor for /u/YourUsername')

USER = 'YourUsername'
PASS = 'YourPassword'

r.login(USER, PASS)

names = []

send_message("Reddit Notifier started.")

while True:
    inbox = r.get_unread()
    messages = []
    new_names = []
    for i in inbox:
        if not i.name in names:
            new_names.append(i.name)
            messages.append((i.subject, i.author.name))
    names = new_names
    count = len(messages)
    if count > 0:
        send_message("You have %d unread message%s in your inbox.\n\n%s" % (count, "" if count == 1 else "s", "\n".join(["'%s' from /u/%s" % (m[0], m[1]) for m in messages])))
    time.sleep(10)