updater.py

import praw
import time
from urllib.request import urlopen
import urllib.request
import json

username = [Reddit Name]
password = [Reddit Password]
userAgent = [User Agent]
subreddit = [Subredit]
twitch_ClientID = [Twitch Api Key]

channels =["adlingtontplays","anderzel","mc_arkas",
           "aureylian","avidyazen","coestar",
           "docm77live","guude","jsano19",
           "kurtjmac","supermcgamer","mhykol",
           "millbee","nebris","omgchad",
           "pakratt0013","pauseunpause","pyropuncher",
           "sethbling","sevadus","vechs",
           "vintagebeef","w92baj","zisteau",
           "mindcrack"]

def TurnOn(twitchname, sidetext):
    replaceString = "(http://twitch.tv/" + twitchname + "/#l" + ")"
    regString = "(http://twitch.tv/" + twitchname + ")"
    sidetext = sidetext.replace(regString, replaceString)
    return sidetext

def TurnOff(twitchname, sidetext):
    regString = "(http://twitch.tv/" + twitchname + "/#l" + ")"
    replaceString = "(http://twitch.tv/" + twitchname + ")"
    sidetext = sidetext.replace(regString, replaceString)
    return sidetext
        
def IsTwitchLive(twitchname):
    try:
        url = str('https://api.twitch.tv/kraken/streams/' + twitchname)
        streamID = -1
        req = urllib.request.Request(url)
        req.add_header("Client-ID",twitch_ClientID)
        response = urllib.request.urlopen(req)
        html = response.read()
        data = json.loads(html.decode())
        try:
           streamID = data['stream']['_id']
        except:
           streamID = -1
        return int(streamID)
    except:
        return -1
    return -1;

def CheckChannels(sidetext):
    for ch in channels:
        if(IsTwitchLive(ch) != -1):
            sidetext = TurnOn(ch, sidetext)
        else:
            sidetext = TurnOff(ch, sidetext)
    return sidetext

try:
    r = praw.Reddit(user_agent=userAgent)

    r.login(username, password)


    settings = r.get_settings(subreddit)
    sidetext = settings['description']
    original = sidetext
except:
    print("reddit is broke")
    
while True:
    try:
        settings = r.get_settings(subreddit)
        sidetext = settings['description']
        original = sidetext
        sidetext = CheckChannels(sidetext)
        if(sidetext != original):
            r.update_settings(r.get_subreddit(subreddit), description=sidetext)
        time.sleep(120)
    except:
        print("something broke")

Hey,

thanks again for the code. I've updated it to use PRAW4 and did some other minor things for my subreddit.

In case you want to update to PRAW4 as well I hope I can save you some time. :D

https://gist.github.com/l3d00m/d757c5444545162b8823114d521297db