created python twitch chat bot, keeps timing out and disconnecting.
any ideas why?
reddit / irc

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Phildos · 2017-02-01 19:28

Here's the simple twitch module:

    import string
    import socket
    import time
    from collections import deque
    from config import HOST, PORT, PASS, IDENT, CHANNEL

    class Twitch():

        def __init__(self):
            pass

        def sendMessage(self, message):
            messageTemp = "PRIVMSG #" + CHANNEL + " :" + message
            self.s.send(messageTemp + "\r\n")

        def getMessage(self, line):
            separate = line.split(":", 2)
            message = separate[2]
            return message

        def initialize(self):

            # opens socket
            self.s = socket.socket()
            self.s.connect((HOST, PORT))
            self.s.send("PASS " + PASS + "\r\n")
            self.s.send("NICK " + IDENT + "\r\n")
            self.s.send("JOIN #" + CHANNEL + "\r\n")

            # joins room
            self.readbuffer = ""
            Loading = True
            while Loading:
                self.readbuffer = self.readbuffer + self.s.recv(1024)
                temp = string.split(self.readbuffer, "\n")
                self.readbuffer = temp.pop()

                for line in temp:
                    Loading = not ("End of /NAMES list" in line)

            # initialize properties
            self.readbuffer = ""
            self.q = deque([])

        def tick(self):
            self.readbuffer = self.readbuffer + self.s.recv(1024)
            temp = string.split(self.readbuffer, "\n")
            self.readbuffer = temp.pop()

            for line in temp:
                if "PING" in line:
                    self.s.send(line.replace("PING", "PONG"))
                else:
                    self.q.appendleft(self.getMessage(line))

        def next(self):
            if len(self.q) > 0:
                return self.q.pop()
            else:
                return None

My code is a simplified version of this:
https://github.com/BadNidalee/ChatBot

and the main loop that runs it is just this:

    from twitch import Twitch
    import re
    import time

    t = Twitch()
    t.initialize()

    while True:
        try:
            t.tick()
            line = t.next()

            val = 0.0
            while line is not None:
                words = line.split()
                if words[0] == "hello":
                    t.sendMessage("hi there")

                line = t.next()
        except:
            print "gave up!"
            time.sleep(1)
            break


After around 10-20 minutes, it just hangs. Is there something about
the IRC protocol I'm not getting? Or is there something regarding
python sockets I'm doing wrong?

Any help would be great!

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jhoneycutt · 2017-02-01 21:09

if "PING" in line:
                self.s.send(line.replace("PING", "PONG"))

I think this is your issue. Your PONGs are never processed by the
server because you forgot to terminate this line with a "\r\n". You
should add a "sendToServer" method that always appends a "\r\n" so you
can't make this mistake in the future (and so you don't have to
clutter your code with "\r\n" for every line you send).

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Phildos · 2017-02-01 23:11

aha! ok I'll try that.

But, since "temp" is split on "\n", doesn't that mean the line will
still have the "\r"? so all I should need to add back is the "\n"-
right?

(Trying now, will get back with results. Just need to wait and am
thinking out loud hah. Thanks!)

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Phildos · 2017-02-02 02:38

alright! appended the "\n" and it seems to work! thanks! :)