Monitors an IRC channel for keywords and e-mails the respective teams with the message

irc_monitor.py

import sys
import socket
import string
import re
import os

import smtplib
from email.mime.text import MIMEText

# IRC settings
CHANNEL = '#raxdrg'
HOST = "irc.freenode.net'
PORT = 6667
NICK = 'test-listener'
IDENT = NICK
REALNAME = NICK

# Email settings
SMTP_HOST = 'smtp.mailgun.org'
SMTP_USER = os.environ.get('SMTP_USER')
SMTP_PASS = os.environ.get('SMTP_PASS')
TO = 'jamie.hannaford@rackspace.com'
FROM  = 'irc-listener@rs13226.mailgun.org'

if SMTP_USER is None or SMTP_PASS is None:
	raise Exception('Both SMTP_USER and SMTP_PASS must be set as env vars')

# Other settings
KEYWORDS = [
	# General
	'sdk', 

	# Languages
	#'php', 'java', 'python', 'ruby', 'javascript',

	# SDK names
	'opencloud', 'pyrax', 'jclouds', 'fog', 'pkgcloud', 'gophercloud', 'knife-rackspace', 'vagrant-rackspace', 'rumm', 'openstack.net', 
]

readbuffer = ''

s = socket.socket()
s.settimeout(None)

s.connect((HOST, PORT))

# Set nickname
s.send("NICK %s\r\n" % NICK)

# Specify username, hostname + real name. Follows RFC1459, rather than RFC2812.
s.send("USER %s %s foo :%s\r\n" % (IDENT, HOST, REALNAME))

# Join channel
s.send("JOIN %s\r\n" % CHANNEL)

pattern = ":(.+)\!.+\sPRIVMSG\s%s\s:(.*(%s).*)" % (CHANNEL, '|'.join(KEYWORDS))
regex = re.compile(pattern, re.IGNORECASE)

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

	for line in temp:

		result = regex.match(line)
		if (result):
			text = "%s has posted something on IRC that might require attention:\n\n%s\n\n" % (result.group(1), result.group(2))
			
			message = MIMEText(text)
			message['Subject'] = '[IRC-HELP] Message notification'
			message['From'] = FROM
			message['To'] = TO

			smtp = smtplib.SMTP(SMTP_HOST)
			smtp.login(SMTP_USER, SMTP_PASS)
			smtp.sendmail(FROM, TO, message.as_string())
			smtp.quit()

Jamie, would it help to use python irclib to abstract away some of the low level irc stuff?

Jamie, I have made your script a bit more pythonic and object oriented.

import sys
import socket
import string
import re
import os

import smtplib
from email.mime.text import MIMEText

class IRCReporter(object):

    # IRC settings
    CHANNEL = "#raxdrg"
    HOST = "irc.freenode.net"
    PORT = 6667
    NICK = "test-listener"
    IDENT = NICK
    REALNAME = NICK

    # Email settings
    SMTP_HOST = 'smtp.mailgun.org'
    SMTP_USER = "such-and-such" #os.environ.get('SMTP_USER')
    SMTP_PASS = "hey hey" #os.environ.get('SMTP_PASS')
    TO = 'jamie.hannaford@rackspace.com'
    FROM  = 'irc-listener@rs13226.mailgun.org'

    if SMTP_USER is None or SMTP_PASS is None:
        raise Exception('Both SMTP_USER and SMTP_PASS must be set as env vars')

    # Other settings
    KEYWORDS = [
        # General
        'sdk', 

        # Languages
        #'php', 'java', 'python', 'ruby', 'javascript',

        # SDK names
        'opencloud', 'pyrax', 'jclouds', 'fog', 'pkgcloud', 'gophercloud', 'knife-rackspace', 'vagrant-rackspace', 'rumm', 'openstack.net', 
    ]


    def start(self):
        readbuffer = ''
        s = socket.socket()
        s.settimeout(None)

        s.connect((self.HOST, self.PORT))

        # Set nickname
        s.send("NICK %s\r\n" % self.NICK)

        # Specify username, hostname + real name. Follows RFC1459, rather than RFC2812.
        s.send("USER %s %s foo :%s\r\n" % (self.IDENT, self.HOST, self.REALNAME))

        # Join channel
        s.send("JOIN %s\r\n" % self.CHANNEL)

        pattern = ":(.+)\!.+\sPRIVMSG\s%s\s:(.*(%s).*)" % (self.CHANNEL, '|'.join(self.KEYWORDS))
        regex = re.compile(pattern, re.IGNORECASE)

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

            for line in temp:

                result = regex.match(line)
                if (result):
                    text = "%s has posted something on IRC that might require attention:\n\n%s\n\n" % (result.group(1), result.group(2))

                    message = MIMEText(text)
                    message['Subject'] = '[IRC-HELP] Message notification'
                    message['From'] = self.FROM
                    message['To'] = self.TO

                    smtp = smtplib.SMTP(self.SMTP_HOST)
                    smtp.login(self.SMTP_USER, self.SMTP_PASS)
                    smtp.sendmail(self.FROM, self.TO, message.as_string())
                    smtp.quit()

if __name__ == '__main__':
    rep = IRCReporter()
    rep.start()