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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
An example IRC log bot - logs a channel's events to a file.
If someone says the bot's name in the channel followed by a ':',
e.g.
<foo> logbot: hello!
the bot will reply:
<logbot> foo: I am a log bot
Run this script with two arguments, the channel name the bot should
connect to, and file to log to, e.g.:
$ python ircLogBot.py test test.log
will log channel #test to the file 'test.log'.
To run the script:
$ python ircLogBot.py <channel> <file>
"""
import sys
# system imports
import time
from twisted.internet import protocol, reactor
from twisted.python import log
# twisted imports
from twisted.words.protocols import irc
class MessageLogger:
"""
An independent logger class (because separation of application
and protocol logic is a good thing).
"""
def __init__(self, file):
self.file = file
def log(self, message):
"""Write a message to the file."""
timestamp = time.strftime("[%H:%M:%S]", time.localtime(time.time()))
self.file.write(f"{timestamp} {message}\n")
self.file.flush()
def close(self):
self.file.close()
class LogBot(irc.IRCClient):
"""A logging IRC bot."""
nickname = "twistedbot"
def connectionMade(self):
irc.IRCClient.connectionMade(self)
self.logger = MessageLogger(open(self.factory.filename, "a"))
self.logger.log("[connected at %s]" % time.asctime(time.localtime(time.time())))
def connectionLost(self, reason):
irc.IRCClient.connectionLost(self, reason)
self.logger.log(
"[disconnected at %s]" % time.asctime(time.localtime(time.time()))
)
self.logger.close()
# callbacks for events
def signedOn(self):
"""Called when bot has successfully signed on to server."""
self.join(self.factory.channel)
def joined(self, channel):
"""This will get called when the bot joins the channel."""
self.logger.log("[I have joined %s]" % channel)
def privmsg(self, user, channel, msg):
"""This will get called when the bot receives a message."""
user = user.split("!", 1)[0]
self.logger.log(f"<{user}> {msg}")
# Check to see if they're sending me a private message
if channel == self.nickname:
msg = "It isn't nice to whisper! Play nice with the group."
self.msg(user, msg)
return
# Otherwise check to see if it is a message directed at me
if msg.startswith(self.nickname + ":"):
msg = "%s: I am a log bot" % user
self.msg(channel, msg)
self.logger.log(f"<{self.nickname}> {msg}")
def action(self, user, channel, msg):
"""This will get called when the bot sees someone do an action."""
user = user.split("!", 1)[0]
self.logger.log(f"* {user} {msg}")
# irc callbacks
def irc_NICK(self, prefix, params):
"""Called when an IRC user changes their nickname."""
old_nick = prefix.split("!")[0]
new_nick = params[0]
self.logger.log(f"{old_nick} is now known as {new_nick}")
# For fun, override the method that determines how a nickname is changed on
# collisions. The default method appends an underscore.
def alterCollidedNick(self, nickname):
"""
Generate an altered version of a nickname that caused a collision in an
effort to create an unused related name for subsequent registration.
"""
return nickname + "^"
class LogBotFactory(protocol.ClientFactory):
"""A factory for LogBots.
A new protocol instance will be created each time we connect to the server.
"""
def __init__(self, channel, filename):
self.channel = channel
self.filename = filename
def buildProtocol(self, addr):
p = LogBot()
p.factory = self
return p
def clientConnectionLost(self, connector, reason):
"""If we get disconnected, reconnect to server."""
connector.connect()
def clientConnectionFailed(self, connector, reason):
print("connection failed:", reason)
reactor.stop()
if __name__ == "__main__":
# initialize logging
log.startLogging(sys.stdout)
# create factory protocol and application
f = LogBotFactory(sys.argv[1], sys.argv[2])
# connect factory to this host and port
reactor.connectTCP("irc.freenode.net", 6667, f)
# run bot
reactor.run()
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