Bot code

from Libraries import biblib

server = input("What Server do you want me to connect to?  ")
channel = input("What channel do you want to join on " + server + "?  ")

bot = biblib.bot()
bot.initconnection((server, 6667), "Nyghtbot")

def connected():
    bot.Join(channel)

commands = {}
commandtag = "!"

def set_tag(tag):
    global commandtag
    commandtag = tag

def look_for_command(source, user, message):
    tokens = message.split(" ")
    if len(tokens) < 1:
        return
    command = tokens[0]
    if command.startswith(commandtag):
        command = command.lstrip(commandtag)
        if command in commands:
            commands[command](source, user, message)

def privmsg(user, message):
    look_for_command(user, user, message)

def register_command(command, callback):
    commands[command] = callback

def command_eval(source, user, message):
    message = " ".join(message.split(" ")[1:])
    try:
        bot.Msg(source, "{}: {}".format(user, eval(message)))
    except Exception as e:
        bot.Msg(source, "{}: error: {}".format(user, e))

def command_help(source, user, message):
    bot.Msg(source, "Available commands: {}".format(", ".join(commands.keys())))




bot.ircevents.Connected += connected
bot.ircevents.ChanMsg += look_for_command
bot.ircevents.PrivMsg += privmsg


register_command("eval", command_eval)
register_command("help", command_help)