IRC.py

import irc.client
import sys

class IRCCat(irc.client.SimpleIRCClient):
	def __init__(self, target):
		irc.client.SimpleIRCClient.__init__(self)
		self.target = target

	def on_welcome(self, connection, event):
		if irc.client.is_channel(self.target):
			connection.join(self.target)
		else:
			self.send_it()

	def on_join(self, connection, event):
		self.send_it()

	def on_disconnect(self, connection, event):
		sys.exit(0)

	def send_it(self):
		while 1:
			line = sys.stdin.readline().strip()
			if not line:
				break
			self.connection.privmsg(self.target, line)
		self.connection.quit("Using irc.client.py")


def main():

	server, nickname, target = 'irc.rizon.net', 'william68435138', '#subplease'
	s = server.split(":", 1)
	server = s[0]
	if len(s) == 2:
		try:
			port = int(s[1])
		except ValueError:
			print("Error: Erroneous port.")
			sys.exit(1)
	else:
		port = 6667

	c = IRCCat(target)
	try:
		c.connect(server, port, nickname)
	except irc.client.ServerConnectionError as x:
		print(x)
		sys.exit(1)
	c.start()


if __name__ == "__main__":
	main()