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| -rw-r--r-- | LICENSE | 350 | ||||
| -rw-r--r-- | irclib.py | 1560 | ||||
| -rw-r--r-- | logbot.py | 188 |
@@ -0,0 +1,350 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. 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You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + <signature of Ty Coon>, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. + + In addition, as a special exception, the copyright holders give + permission to link the code of portions of this program with the OpenSSL + library. + You must obey the GNU General Public License in all respects for all of + the code used other than OpenSSL. If you modify file(s) with this + exception, you may extend this exception to your version of the file(s), + but you are not obligated to do so. If you do not wish to do so, delete + this exception statement from your version. If you delete this exception + statement from all source files in the program, then also delete it here. diff --git a/irclib.py b/irclib.py new file mode 100644 index 0000000..5f7141c --- /dev/null +++ b/irclib.py @@ -0,0 +1,1560 @@ +# Copyright (C) 1999--2002 Joel Rosdahl +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# keltus <keltus@users.sourceforge.net> +# +# $Id: irclib.py,v 1.47 2008/09/25 22:00:59 keltus Exp $ + +"""irclib -- Internet Relay Chat (IRC) protocol client library. + +This library is intended to encapsulate the IRC protocol at a quite +low level. It provides an event-driven IRC client framework. It has +a fairly thorough support for the basic IRC protocol, CTCP, DCC chat, +but DCC file transfers is not yet supported. + +In order to understand how to make an IRC client, I'm afraid you more +or less must understand the IRC specifications. They are available +here: [IRC specifications]. + +The main features of the IRC client framework are: + + * Abstraction of the IRC protocol. + * Handles multiple simultaneous IRC server connections. + * Handles server PONGing transparently. + * Messages to the IRC server are done by calling methods on an IRC + connection object. + * Messages from an IRC server triggers events, which can be caught + by event handlers. + * Reading from and writing to IRC server sockets are normally done + by an internal select() loop, but the select()ing may be done by + an external main loop. + * Functions can be registered to execute at specified times by the + event-loop. + * Decodes CTCP tagging correctly (hopefully); I haven't seen any + other IRC client implementation that handles the CTCP + specification subtilties. + * A kind of simple, single-server, object-oriented IRC client class + that dispatches events to instance methods is included. + +Current limitations: + + * The IRC protocol shines through the abstraction a bit too much. + * Data is not written asynchronously to the server, i.e. the write() + may block if the TCP buffers are stuffed. + * There are no support for DCC file transfers. + * The author haven't even read RFC 2810, 2811, 2812 and 2813. + * Like most projects, documentation is lacking... + +.. [IRC specifications] http://www.irchelp.org/irchelp/rfc/ +""" + +import bisect +import re +import select +import socket +import string +import sys +import time +import types + +VERSION = 0, 4, 8 +DEBUG = 0 + +# TODO +# ---- +# (maybe) thread safety +# (maybe) color parser convenience functions +# documentation (including all event types) +# (maybe) add awareness of different types of ircds +# send data asynchronously to the server (and DCC connections) +# (maybe) automatically close unused, passive DCC connections after a while + +# NOTES +# ----- +# connection.quit() only sends QUIT to the server. +# ERROR from the server triggers the error event and the disconnect event. +# dropping of the connection triggers the disconnect event. + +class IRCError(Exception): + """Represents an IRC exception.""" + pass + + +class IRC: + """Class that handles one or several IRC server connections. + + When an IRC object has been instantiated, it can be used to create + Connection objects that represent the IRC connections. The + responsibility of the IRC object is to provide an event-driven + framework for the connections and to keep the connections alive. + It runs a select loop to poll each connection's TCP socket and + hands over the sockets with incoming data for processing by the + corresponding connection. + + The methods of most interest for an IRC client writer are server, + add_global_handler, remove_global_handler, execute_at, + execute_delayed, process_once and process_forever. + + Here is an example: + + irc = irclib.IRC() + server = irc.server() + server.connect(\"irc.some.where\", 6667, \"my_nickname\") + server.privmsg(\"a_nickname\", \"Hi there!\") + irc.process_forever() + + This will connect to the IRC server irc.some.where on port 6667 + using the nickname my_nickname and send the message \"Hi there!\" + to the nickname a_nickname. + """ + + def __init__(self, fn_to_add_socket=None, + fn_to_remove_socket=None, + fn_to_add_timeout=None): + """Constructor for IRC objects. + + Optional arguments are fn_to_add_socket, fn_to_remove_socket + and fn_to_add_timeout. The first two specify functions that + will be called with a socket object as argument when the IRC + object wants to be notified (or stop being notified) of data + coming on a new socket. When new data arrives, the method + process_data should be called. Similarly, fn_to_add_timeout + is called with a number of seconds (a floating point number) + as first argument when the IRC object wants to receive a + notification (by calling the process_timeout method). So, if + e.g. the argument is 42.17, the object wants the + process_timeout method to be called after 42 seconds and 170 + milliseconds. + + The three arguments mainly exist to be able to use an external + main loop (for example Tkinter's or PyGTK's main app loop) + instead of calling the process_forever method. + + An alternative is to just call ServerConnection.process_once() + once in a while. + """ + + if fn_to_add_socket and fn_to_remove_socket: + self.fn_to_add_socket = fn_to_add_socket + self.fn_to_remove_socket = fn_to_remove_socket + else: + self.fn_to_add_socket = None + self.fn_to_remove_socket = None + + self.fn_to_add_timeout = fn_to_add_timeout + self.connections = [] + self.handlers = {} + self.delayed_commands = [] # list of tuples in the format (time, function, arguments) + + self.add_global_handler("ping", _ping_ponger, -42) + + def server(self): + """Creates and returns a ServerConnection object.""" + + c = ServerConnection(self) + self.connections.append(c) + return c + + def process_data(self, sockets): + """Called when there is more data to read on connection sockets. + + Arguments: + + sockets -- A list of socket objects. + + See documentation for IRC.__init__. + """ + for s in sockets: + for c in self.connections: + if s == c._get_socket(): + c.process_data() + + def process_timeout(self): + """Called when a timeout notification is due. + + See documentation for IRC.__init__. + """ + t = time.time() + while self.delayed_commands: + if t >= self.delayed_commands[0][0]: + self.delayed_commands[0][1](*self.delayed_commands[0][2]) + del self.delayed_commands[0] + else: + break + + def process_once(self, timeout=0): + """Process data from connections once. + + Arguments: + + timeout -- How long the select() call should wait if no + data is available. + + This method should be called periodically to check and process + incoming data, if there are any. If that seems boring, look + at the process_forever method. + """ + sockets = map(lambda x: x._get_socket(), self.connections) + sockets = filter(lambda x: x != None, sockets) + if sockets: + (i, o, e) = select.select(sockets, [], [], timeout) + self.process_data(i) + else: + time.sleep(timeout) + self.process_timeout() + + def process_forever(self, timeout=0.2): + """Run an infinite loop, processing data from connections. + + This method repeatedly calls process_once. + + Arguments: + + timeout -- Parameter to pass to process_once. + """ + while 1: + self.process_once(timeout) + + def disconnect_all(self, message=""): + """Disconnects all connections.""" + for c in self.connections: + c.disconnect(message) + + def add_global_handler(self, event, handler, priority=0): + """Adds a global handler function for a specific event type. + + Arguments: + + event -- Event type (a string). Check the values of the + numeric_events dictionary in irclib.py for possible event + types. + + handler -- Callback function. + + priority -- A number (the lower number, the higher priority). + + The handler function is called whenever the specified event is + triggered in any of the connections. See documentation for + the Event class. + + The handler functions are called in priority order (lowest + number is highest priority). If a handler function returns + \"NO MORE\", no more handlers will be called. + """ + if not event in self.handlers: + self.handlers[event] = [] + bisect.insort(self.handlers[event], ((priority, handler))) + + def remove_global_handler(self, event, handler): + """Removes a global handler function. + + Arguments: + + event -- Event type (a string). + + handler -- Callback function. + + Returns 1 on success, otherwise 0. + """ + if not event in self.handlers: + return 0 + for h in self.handlers[event]: + if handler == h[1]: + self.handlers[event].remove(h) + return 1 + + def execute_at(self, at, function, arguments=()): + """Execute a function at a specified time. + + Arguments: + + at -- Execute at this time (standard \"time_t\" time). + + function -- Function to call. + + arguments -- Arguments to give the function. + """ + self.execute_delayed(at-time.time(), function, arguments) + + def execute_delayed(self, delay, function, arguments=()): + """Execute a function after a specified time. + + Arguments: + + delay -- How many seconds to wait. + + function -- Function to call. + + arguments -- Arguments to give the function. + """ + bisect.insort(self.delayed_commands, (delay+time.time(), function, arguments)) + if self.fn_to_add_timeout: + self.fn_to_add_timeout(delay) + + def dcc(self, dcctype="chat"): + """Creates and returns a DCCConnection object. + + Arguments: + + dcctype -- "chat" for DCC CHAT connections or "raw" for + DCC SEND (or other DCC types). If "chat", + incoming data will be split in newline-separated + chunks. If "raw", incoming data is not touched. + """ + c = DCCConnection(self, dcctype) + self.connections.append(c) + return c + + def _handle_event(self, connection, event): + """[Internal]""" + h = self.handlers + for handler in h.get("all_events", []) + h.get(event.eventtype(), []): + if handler[1](connection, event) == "NO MORE": + return + + def _remove_connection(self, connection): + """[Internal]""" + self.connections.remove(connection) + if self.fn_to_remove_socket: + self.fn_to_remove_socket(connection._get_socket()) + +_rfc_1459_command_regexp = re.compile("^(:(?P<prefix>[^ ]+) +)?(?P<command>[^ ]+)( *(?P<argument> .+))?") + +class Connection: + """Base class for IRC connections. + + Must be overridden. + """ + def __init__(self, irclibobj): + self.irclibobj = irclibobj + + def _get_socket(): + raise IRCError, "Not overridden" + + ############################## + ### Convenience wrappers. + + def execute_at(self, at, function, arguments=()): + self.irclibobj.execute_at(at, function, arguments) + + def execute_delayed(self, delay, function, arguments=()): + self.irclibobj.execute_delayed(delay, function, arguments) + + +class ServerConnectionError(IRCError): + pass + +class ServerNotConnectedError(ServerConnectionError): + pass + + +# Huh!? Crrrrazy EFNet doesn't follow the RFC: their ircd seems to +# use \n as message separator! :P +_linesep_regexp = re.compile("\r?\n") + +class ServerConnection(Connection): + """This class represents an IRC server connection. + + ServerConnection objects are instantiated by calling the server + method on an IRC object. + """ + + def __init__(self, irclibobj): + Connection.__init__(self, irclibobj) + self.connected = 0 # Not connected yet. + self.socket = None + self.ssl = None + + def connect(self, server, port, nickname, password=None, username=None, + ircname=None, localaddress="", localport=0, ssl=False, ipv6=False): + """Connect/reconnect to a server. + + Arguments: + + server -- Server name. + + port -- Port number. + + nickname -- The nickname. + + password -- Password (if any). + + username -- The username. + + ircname -- The IRC name ("realname"). + + localaddress -- Bind the connection to a specific local IP address. + + localport -- Bind the connection to a specific local port. + + ssl -- Enable support for ssl. + + ipv6 -- Enable support for ipv6. + + This function can be called to reconnect a closed connection. + + Returns the ServerConnection object. + """ + if self.connected: + self.disconnect("Changing servers") + + self.previous_buffer = "" + self.handlers = {} + self.real_server_name = "" + self.real_nickname = nickname + self.server = server + self.port = port + self.nickname = nickname + self.username = username or nickname + self.ircname = ircname or nickname + self.password = password + self.localaddress = localaddress + self.localport = localport + self.localhost = socket.gethostname() + if ipv6: + self.socket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM) + else: + self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + try: + self.socket.bind((self.localaddress, self.localport)) + self.socket.connect((self.server, self.port)) + if ssl: + self.ssl = socket.ssl(self.socket) + except socket.error, x: + self.socket.close() + self.socket = None + raise ServerConnectionError, "Couldn't connect to socket: %s" % x + self.connected = 1 + if self.irclibobj.fn_to_add_socket: + self.irclibobj.fn_to_add_socket(self.socket) + + # Log on... + if self.password: + self.pass_(self.password) + self.nick(self.nickname) + self.user(self.username, self.ircname) + return self + + def close(self): + """Close the connection. + + This method closes the connection permanently; after it has + been called, the object is unusable. + """ + + self.disconnect("Closing object") + self.irclibobj._remove_connection(self) + + def _get_socket(self): + """[Internal]""" + return self.socket + + def get_server_name(self): + """Get the (real) server name. + + This method returns the (real) server name, or, more + specifically, what the server calls itself. + """ + + if self.real_server_name: + return self.real_server_name + else: + return "" + + def get_nickname(self): + """Get the (real) nick name. + + This method returns the (real) nickname. The library keeps + track of nick changes, so it might not be the nick name that + was passed to the connect() method. """ + + return self.real_nickname + + def process_data(self): + """[Internal]""" + + try: + if self.ssl: + new_data = self.ssl.read(2**14) + else: + new_data = self.socket.recv(2**14) + except socket.error, x: + # The server hung up. + self.disconnect("Connection reset by peer") + return + if not new_data: + # Read nothing: connection must be down. + self.disconnect("Connection reset by peer") + return + + lines = _linesep_regexp.split(self.previous_buffer + new_data) + + # Save the last, unfinished line. + self.previous_buffer = lines.pop() + + for line in lines: + if DEBUG: + print "FROM SERVER:", line + + if not line: + continue + + prefix = None + command = None + arguments = None + self._handle_event(Event("all_raw_messages", + self.get_server_name(), + None, + [line])) + + m = _rfc_1459_command_regexp.match(line) + if m.group("prefix"): + prefix = m.group("prefix") + if not self.real_server_name: + self.real_server_name = prefix + + if m.group("command"): + command = m.group("command").lower() + + if m.group("argument"): + a = m.group("argument").split(" :", 1) + arguments = a[0].split() + if len(a) == 2: + arguments.append(a[1]) + + # Translate numerics into more readable strings. + if command in numeric_events: + command = numeric_events[command] + + if command == "nick": + if nm_to_n(prefix) == self.real_nickname: + self.real_nickname = arguments[0] + elif command == "welcome": + # Record the nickname in case the client changed nick + # in a nicknameinuse callback. + self.real_nickname = arguments[0] + + if command in ["privmsg", "notice"]: + target, message = arguments[0], arguments[1] + messages = _ctcp_dequote(message) + + if command == "privmsg": + if is_channel(target): + command = "pubmsg" + else: + if is_channel(target): + command = "pubnotice" + else: + command = "privnotice" + + for m in messages: + if type(m) is types.TupleType: + if command in ["privmsg", "pubmsg"]: + command = "ctcp" + else: + command = "ctcpreply" + + m = list(m) + if DEBUG: + print "command: %s, source: %s, target: %s, arguments: %s" % ( + command, prefix, target, m) + self._handle_event(Event(command, prefix, target, m)) + if command == "ctcp" and m[0] == "ACTION": + self._handle_event(Event("action", prefix, target, m[1:])) + else: + if DEBUG: + print "command: %s, source: %s, target: %s, arguments: %s" % ( + command, prefix, target, [m]) + self._handle_event(Event(command, prefix, target, [m])) + else: + target = None + + if command == "quit": + arguments = [arguments[0]] + elif command == "ping": + target = arguments[0] + else: + target = arguments[0] + arguments = arguments[1:] + + if command == "mode": + if not is_channel(target): + command = "umode" + + if DEBUG: + print "command: %s, source: %s, target: %s, arguments: %s" % ( + command, prefix, target, arguments) + self._handle_event(Event(command, prefix, target, arguments)) + + def _handle_event(self, event): + """[Internal]""" + self.irclibobj._handle_event(self, event) + if event.eventtype() in self.handlers: + for fn in self.handlers[event.eventtype()]: + fn(self, event) + + def is_connected(self): + """Return connection status. + + Returns true if connected, otherwise false. + """ + return self.connected + + def add_global_handler(self, *args): + """Add global handler. + + See documentation for IRC.add_global_handler. + """ + self.irclibobj.add_global_handler(*args) + + def remove_global_handler(self, *args): + """Remove global handler. + + See documentation for IRC.remove_global_handler. + """ + self.irclibobj.remove_global_handler(*args) + + def action(self, target, action): + """Send a CTCP ACTION command.""" + self.ctcp("ACTION", target, action) + + def admin(self, server=""): + """Send an ADMIN command.""" + self.send_raw(" ".join(["ADMIN", server]).strip()) + + def ctcp(self, ctcptype, target, parameter=""): + """Send a CTCP command.""" + ctcptype = ctcptype.upper() + self.privmsg(target, "\001%s%s\001" % (ctcptype, parameter and (" " + parameter) or "")) + + def ctcp_reply(self, target, parameter): + """Send a CTCP REPLY command.""" + self.notice(target, "\001%s\001" % parameter) + + def disconnect(self, message=""): + """Hang up the connection. + + Arguments: + + message -- Quit message. + """ + if not self.connected: + return + + self.connected = 0 + + self.quit(message) + + try: + self.socket.close() + except socket.error, x: + pass + self.socket = None + self._handle_event(Event("disconnect", self.server, "", [message])) + + def globops(self, text): + """Send a GLOBOPS command.""" + self.send_raw("GLOBOPS :" + text) + + def info(self, server=""): + """Send an INFO command.""" + self.send_raw(" ".join(["INFO", server]).strip()) + + def invite(self, nick, channel): + """Send an INVITE command.""" + self.send_raw(" ".join(["INVITE", nick, channel]).strip()) + + def ison(self, nicks): + """Send an ISON command. + + Arguments: + + nicks -- List of nicks. + """ + self.send_raw("ISON " + " ".join(nicks)) + + def join(self, channel, key=""): + """Send a JOIN command.""" + self.send_raw("JOIN %s%s" % (channel, (key and (" " + key)))) + + def kick(self, channel, nick, comment=""): + """Send a KICK command.""" + self.send_raw("KICK %s %s%s" % (channel, nick, (comment and (" :" + comment)))) + + def links(self, remote_server="", server_mask=""): + """Send a LINKS command.""" + command = "LINKS" + if remote_server: + command = command + " " + remote_server + if server_mask: + command = command + " " + server_mask + self.send_raw(command) + + def list(self, channels=None, server=""): + """Send a LIST command.""" + command = "LIST" + if channels: + command = command + " " + ",".join(channels) + if server: + command = command + " " + server + self.send_raw(command) + + def lusers(self, server=""): + """Send a LUSERS command.""" + self.send_raw("LUSERS" + (server and (" " + server))) + + def mode(self, target, command): + """Send a MODE command.""" + self.send_raw("MODE %s %s" % (target, command)) + + def motd(self, server=""): + """Send an MOTD command.""" + self.send_raw("MOTD" + (server and (" " + server))) + + def names(self, channels=None): + """Send a NAMES command.""" + self.send_raw("NAMES" + (channels and (" " + ",".join(channels)) or "")) + + def nick(self, newnick): + """Send a NICK command.""" + self.send_raw("NICK " + newnick) + + def notice(self, target, text): + """Send a NOTICE command.""" + # Should limit len(text) here! + self.send_raw("NOTICE %s :%s" % (target, text)) + + def oper(self, nick, password): + """Send an OPER command.""" + self.send_raw("OPER %s %s" % (nick, password)) + + def part(self, channels, message=""): + """Send a PART command.""" + if type(channels) == types.StringType: + self.send_raw("PART " + channels + (message and (" " + message))) + else: + self.send_raw("PART " + ",".join(channels) + (message and (" " + message))) + + def pass_(self, password): + """Send a PASS command.""" + self.send_raw("PASS " + password) + + def ping(self, target, target2=""): + """Send a PING command.""" + self.send_raw("PING %s%s" % (target, target2 and (" " + target2))) + + def pong(self, target, target2=""): + """Send a PONG command.""" + self.send_raw("PONG %s%s" % (target, target2 and (" " + target2))) + + def privmsg(self, target, text): + """Send a PRIVMSG command.""" + # Should limit len(text) here! + self.send_raw("PRIVMSG %s :%s" % (target, text)) + + def privmsg_many(self, targets, text): + """Send a PRIVMSG command to multiple targets.""" + # Should limit len(text) here! + self.send_raw("PRIVMSG %s :%s" % (",".join(targets), text)) + + def quit(self, message=""): + """Send a QUIT command.""" + # Note that many IRC servers don't use your QUIT message + # unless you've been connected for at least 5 minutes! + self.send_raw("QUIT" + (message and (" :" + message))) + + def send_raw(self, string): + """Send raw string to the server. + + The string will be padded with appropriate CR LF. + """ + if self.socket is None: + raise ServerNotConnectedError, "Not connected." + try: + if self.ssl: + self.ssl.write(string + "\r\n") + else: + self.socket.send(string + "\r\n") + if DEBUG: + print "TO SERVER:", string + except socket.error, x: + # Ouch! + self.disconnect("Connection reset by peer.") + + def squit(self, server, comment=""): + """Send an SQUIT command.""" + self.send_raw("SQUIT %s%s" % (server, comment and (" :" + comment))) + + def stats(self, statstype, server=""): + """Send a STATS command.""" + self.send_raw("STATS %s%s" % (statstype, server and (" " + server))) + + def time(self, server=""): + """Send a TIME command.""" + self.send_raw("TIME" + (server and (" " + server))) + + def topic(self, channel, new_topic=None): + """Send a TOPIC command.""" + if new_topic is None: + self.send_raw("TOPIC " + channel) + else: + self.send_raw("TOPIC %s :%s" % (channel, new_topic)) + + def trace(self, target=""): + """Send a TRACE command.""" + self.send_raw("TRACE" + (target and (" " + target))) + + def user(self, username, realname): + """Send a USER command.""" + self.send_raw("USER %s 0 * :%s" % (username, realname)) + + def userhost(self, nicks): + """Send a USERHOST command.""" + self.send_raw("USERHOST " + ",".join(nicks)) + + def users(self, server=""): + """Send a USERS command.""" + self.send_raw("USERS" + (server and (" " + server))) + + def version(self, server=""): + """Send a VERSION command.""" + self.send_raw("VERSION" + (server and (" " + server))) + + def wallops(self, text): + """Send a WALLOPS command.""" + self.send_raw("WALLOPS :" + text) + + def who(self, target="", op=""): + """Send a WHO command.""" + self.send_raw("WHO%s%s" % (target and (" " + target), op and (" o"))) + + def whois(self, targets): + """Send a WHOIS command.""" + self.send_raw("WHOIS " + ",".join(targets)) + + def whowas(self, nick, max="", server=""): + """Send a WHOWAS command.""" + self.send_raw("WHOWAS %s%s%s" % (nick, + max and (" " + max), + server and (" " + server))) + +class DCCConnectionError(IRCError): + pass + + +class DCCConnection(Connection): + """This class represents a DCC connection. + + DCCConnection objects are instantiated by calling the dcc + method on an IRC object. + """ + def __init__(self, irclibobj, dcctype): + Connection.__init__(self, irclibobj) + self.connected = 0 + self.passive = 0 + self.dcctype = dcctype + self.peeraddress = None + self.peerport = None + + def connect(self, address, port): + """Connect/reconnect to a DCC peer. + + Arguments: + address -- Host/IP address of the peer. + + port -- The port number to connect to. + + Returns the DCCConnection object. + """ + self.peeraddress = socket.gethostbyname(address) + self.peerport = port + self.socket = None + self.previous_buffer = "" + self.handlers = {} + self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + self.passive = 0 + try: + self.socket.connect((self.peeraddress, self.peerport)) + except socket.error, x: + raise DCCConnectionError, "Couldn't connect to socket: %s" % x + self.connected = 1 + if self.irclibobj.fn_to_add_socket: + self.irclibobj.fn_to_add_socket(self.socket) + return self + + def listen(self): + """Wait for a connection/reconnection from a DCC peer. + + Returns the DCCConnection object. + + The local IP address and port are available as + self.localaddress and self.localport. After connection from a + peer, the peer address and port are available as + self.peeraddress and self.peerport. + """ + self.previous_buffer = "" + self.handlers = {} + self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + self.passive = 1 + try: + self.socket.bind((socket.gethostbyname(socket.gethostname()), 0)) + self.localaddress, self.localport = self.socket.getsockname() + self.socket.listen(10) + except socket.error, x: + raise DCCConnectionError, "Couldn't bind socket: %s" % x + return self + + def disconnect(self, message=""): + """Hang up the connection and close the object. + + Arguments: + + message -- Quit message. + """ + if not self.connected: + return + + self.connected = 0 + try: + self.socket.close() + except socket.error, x: + pass + self.socket = None + self.irclibobj._handle_event( + self, + Event("dcc_disconnect", self.peeraddress, "", [message])) + self.irclibobj._remove_connection(self) + + def process_data(self): + """[Internal]""" + + if self.passive and not self.connected: + conn, (self.peeraddress, self.peerport) = self.socket.accept() + self.socket.close() + self.socket = conn + self.connected = 1 + if DEBUG: + print "DCC connection from %s:%d" % ( + self.peeraddress, self.peerport) + self.irclibobj._handle_event( + self, + Event("dcc_connect", self.peeraddress, None, None)) + return + + try: + new_data = self.socket.recv(2**14) + except socket.error, x: + # The server hung up. + self.disconnect("Connection reset by peer") + return + if not new_data: + # Read nothing: connection must be down. + self.disconnect("Connection reset by peer") + return + + if self.dcctype == "chat": + # The specification says lines are terminated with LF, but + # it seems safer to handle CR LF terminations too. + chunks = _linesep_regexp.split(self.previous_buffer + new_data) + + # Save the last, unfinished line. + self.previous_buffer = chunks[-1] + if len(self.previous_buffer) > 2**14: + # Bad peer! Naughty peer! + self.disconnect() + return + chunks = chunks[:-1] + else: + chunks = [new_data] + + command = "dccmsg" + prefix = self.peeraddress + target = None + for chunk in chunks: + if DEBUG: + print "FROM PEER:", chunk + arguments = [chunk] + if DEBUG: + print "command: %s, source: %s, target: %s, arguments: %s" % ( + command, prefix, target, arguments) + self.irclibobj._handle_event( + self, + Event(command, prefix, target, arguments)) + + def _get_socket(self): + """[Internal]""" + return self.socket + + def privmsg(self, string): + """Send data to DCC peer. + + The string will be padded with appropriate LF if it's a DCC + CHAT session. + """ + try: + self.socket.send(string) + if self.dcctype == "chat": + self.socket.send("\n") + if DEBUG: + print "TO PEER: %s\n" % string + except socket.error, x: + # Ouch! + self.disconnect("Connection reset by peer.") + +class SimpleIRCClient: + """A simple single-server IRC client class. + + This is an example of an object-oriented wrapper of the IRC + framework. A real IRC client can be made by subclassing this + class and adding appropriate methods. + + The method on_join will be called when a "join" event is created + (which is done when the server sends a JOIN messsage/command), + on_privmsg will be called for "privmsg" events, and so on. The + handler methods get two arguments: the connection object (same as + self.connection) and the event object. + + Instance attributes that can be used by sub classes: + + ircobj -- The IRC instance. + + connection -- The ServerConnection instance. + + dcc_connections -- A list of DCCConnection instances. + """ + def __init__(self): + self.ircobj = IRC() + self.connection = self.ircobj.server() + self.dcc_connections = [] + self.ircobj.add_global_handler("all_events", self._dispatcher, -10) + self.ircobj.add_global_handler("dcc_disconnect", self._dcc_disconnect, -10) + + def _dispatcher(self, c, e): + """[Internal]""" + m = "on_" + e.eventtype() + if hasattr(self, m): + getattr(self, m)(c, e) + + def _dcc_disconnect(self, c, e): + self.dcc_connections.remove(c) + + def connect(self, server, port, nickname, password=None, username=None, + ircname=None, localaddress="", localport=0, ssl=False, ipv6=False): + """Connect/reconnect to a server. + + Arguments: + + server -- Server name. + + port -- Port number. + + nickname -- The nickname. + + password -- Password (if any). + + username -- The username. + + ircname -- The IRC name. + + localaddress -- Bind the connection to a specific local IP address. + + localport -- Bind the connection to a specific local port. + + ssl -- Enable support for ssl. + + ipv6 -- Enable support for ipv6. + + This function can be called to reconnect a closed connection. + """ + self.connection.connect(server, port, nickname, + password, username, ircname, + localaddress, localport, ssl, ipv6) + + def dcc_connect(self, address, port, dcctype="chat"): + """Connect to a DCC peer. + + Arguments: + + address -- IP address of the peer. + + port -- Port to connect to. + + Returns a DCCConnection instance. + """ + dcc = self.ircobj.dcc(dcctype) + self.dcc_connections.append(dcc) + dcc.connect(address, port) + return dcc + + def dcc_listen(self, dcctype="chat"): + """Listen for connections from a DCC peer. + + Returns a DCCConnection instance. + """ + dcc = self.ircobj.dcc(dcctype) + self.dcc_connections.append(dcc) + dcc.listen() + return dcc + + def start(self): + """Start the IRC client.""" + self.ircobj.process_forever() + + +class Event: + """Class representing an IRC event.""" + def __init__(self, eventtype, source, target, arguments=None): + """Constructor of Event objects. + + Arguments: + + eventtype -- A string describing the event. + + source -- The originator of the event (a nick mask or a server). + + target -- The target of the event (a nick or a channel). + + arguments -- Any event specific arguments. + """ + self._eventtype = eventtype + self._source = source + self._target = target + if arguments: + self._arguments = arguments + else: + self._arguments = [] + + def eventtype(self): + """Get the event type.""" + return self._eventtype + + def source(self): + """Get the event source.""" + return self._source + + def target(self): + """Get the event target.""" + return self._target + + def arguments(self): + """Get the event arguments.""" + return self._arguments + +_LOW_LEVEL_QUOTE = "\020" +_CTCP_LEVEL_QUOTE = "\134" +_CTCP_DELIMITER = "\001" + +_low_level_mapping = { + "0": "\000", + "n": "\n", + "r": "\r", + _LOW_LEVEL_QUOTE: _LOW_LEVEL_QUOTE +} + +_low_level_regexp = re.compile(_LOW_LEVEL_QUOTE + "(.)") + +def mask_matches(nick, mask): + """Check if a nick matches a mask. + + Returns true if the nick matches, otherwise false. + """ + nick = irc_lower(nick) + mask = irc_lower(mask) + mask = mask.replace("\\", "\\\\") + for ch in ".$|[](){}+": + mask = mask.replace(ch, "\\" + ch) + mask = mask.replace("?", ".") + mask = mask.replace("*", ".*") + r = re.compile(mask, re.IGNORECASE) + return r.match(nick) + +_special = "-[]\\`^{}" +nick_characters = string.ascii_letters + string.digits + _special +_ircstring_translation = string.maketrans(string.ascii_uppercase + "[]\\^", + string.ascii_lowercase + "{}|~") + +def irc_lower(s): + """Returns a lowercased string. + + The definition of lowercased comes from the IRC specification (RFC + 1459). + """ + return s.translate(_ircstring_translation) + +def _ctcp_dequote(message): + """[Internal] Dequote a message according to CTCP specifications. + + The function returns a list where each element can be either a + string (normal message) or a tuple of one or two strings (tagged + messages). If a tuple has only one element (ie is a singleton), + that element is the tag; otherwise the tuple has two elements: the + tag and the data. + + Arguments: + + message -- The message to be decoded. + """ + + def _low_level_replace(match_obj): + ch = match_obj.group(1) + + # If low_level_mapping doesn't have the character as key, we + # should just return the character. + return _low_level_mapping.get(ch, ch) + + if _LOW_LEVEL_QUOTE in message: + # Yup, there was a quote. Release the dequoter, man! + message = _low_level_regexp.sub(_low_level_replace, message) + + if _CTCP_DELIMITER not in message: + return [message] + else: + # Split it into parts. (Does any IRC client actually *use* + # CTCP stacking like this?) + chunks = message.split(_CTCP_DELIMITER) + + messages = [] + i = 0 + while i < len(chunks)-1: + # Add message if it's non-empty. + if len(chunks[i]) > 0: + messages.append(chunks[i]) + + if i < len(chunks)-2: + # Aye! CTCP tagged data ahead! + messages.append(tuple(chunks[i+1].split(" ", 1))) + + i = i + 2 + + if len(chunks) % 2 == 0: + # Hey, a lonely _CTCP_DELIMITER at the end! This means + # that the last chunk, including the delimiter, is a + # normal message! (This is according to the CTCP + # specification.) + messages.append(_CTCP_DELIMITER + chunks[-1]) + + return messages + +def is_channel(string): + """Check if a string is a channel name. + + Returns true if the argument is a channel name, otherwise false. + """ + return string and string[0] in "#&+!" + +def ip_numstr_to_quad(num): + """Convert an IP number as an integer given in ASCII + representation (e.g. '3232235521') to an IP address string + (e.g. '192.168.0.1').""" + n = long(num) + p = map(str, map(int, [n >> 24 & 0xFF, n >> 16 & 0xFF, + n >> 8 & 0xFF, n & 0xFF])) + return ".".join(p) + +def ip_quad_to_numstr(quad): + """Convert an IP address string (e.g. '192.168.0.1') to an IP + number as an integer given in ASCII representation + (e.g. '3232235521').""" + p = map(long, quad.split(".")) + s = str((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]) + if s[-1] == "L": + s = s[:-1] + return s + +def nm_to_n(s): + """Get the nick part of a nickmask. + + (The source of an Event is a nickmask.) + """ + return s.split("!")[0] + +def nm_to_uh(s): + """Get the userhost part of a nickmask. + + (The source of an Event is a nickmask.) + """ + return s.split("!")[1] + +def nm_to_h(s): + """Get the host part of a nickmask. + + (The source of an Event is a nickmask.) + """ + return s.split("@")[1] + +def nm_to_u(s): + """Get the user part of a nickmask. + + (The source of an Event is a nickmask.) + """ + s = s.split("!")[1] + return s.split("@")[0] + +def parse_nick_modes(mode_string): + """Parse a nick mode string. + + The function returns a list of lists with three members: sign, + mode and argument. The sign is \"+\" or \"-\". The argument is + always None. + + Example: + + >>> irclib.parse_nick_modes(\"+ab-c\") + [['+', 'a', None], ['+', 'b', None], ['-', 'c', None]] + """ + + return _parse_modes(mode_string, "") + +def parse_channel_modes(mode_string): + """Parse a channel mode string. + + The function returns a list of lists with three members: sign, + mode and argument. The sign is \"+\" or \"-\". The argument is + None if mode isn't one of \"b\", \"k\", \"l\", \"v\" or \"o\". + + Example: + + >>> irclib.parse_channel_modes(\"+ab-c foo\") + [['+', 'a', None], ['+', 'b', 'foo'], ['-', 'c', None]] + """ + + return _parse_modes(mode_string, "bklvo") + +def _parse_modes(mode_string, unary_modes=""): + """[Internal]""" + modes = [] + arg_count = 0 + + # State variable. + sign = "" + + a = mode_string.split() + if len(a) == 0: + return [] + else: + mode_part, args = a[0], a[1:] + + if mode_part[0] not in "+-": + return [] + for ch in mode_part: + if ch in "+-": + sign = ch + elif ch == " ": + collecting_arguments = 1 + elif ch in unary_modes: + if len(args) >= arg_count + 1: + modes.append([sign, ch, args[arg_count]]) + arg_count = arg_count + 1 + else: + modes.append([sign, ch, None]) + else: + modes.append([sign, ch, None]) + return modes + +def _ping_ponger(connection, event): + """[Internal]""" + connection.pong(event.target()) + +# Numeric table mostly stolen from the Perl IRC module (Net::IRC). +numeric_events = { + "001": "welcome", + "002": "yourhost", + "003": "created", + "004": "myinfo", + "005": "featurelist", # XXX + "200": "tracelink", + "201": "traceconnecting", + "202": "tracehandshake", + "203": "traceunknown", + "204": "traceoperator", + "205": "traceuser", + "206": "traceserver", + "207": "traceservice", + "208": "tracenewtype", + "209": "traceclass", + "210": "tracereconnect", + "211": "statslinkinfo", + "212": "statscommands", + "213": "statscline", + "214": "statsnline", + "215": "statsiline", + "216": "statskline", + "217": "statsqline", + "218": "statsyline", + "219": "endofstats", + "221": "umodeis", + "231": "serviceinfo", + "232": "endofservices", + "233": "service", + "234": "servlist", + "235": "servlistend", + "241": "statslline", + "242": "statsuptime", + "243": "statsoline", + "244": "statshline", + "250": "luserconns", + "251": "luserclient", + "252": "luserop", + "253": "luserunknown", + "254": "luserchannels", + "255": "luserme", + "256": "adminme", + "257": "adminloc1", + "258": "adminloc2", + "259": "adminemail", + "261": "tracelog", + "262": "endoftrace", + "263": "tryagain", + "265": "n_local", + "266": "n_global", + "300": "none", + "301": "away", + "302": "userhost", + "303": "ison", + "305": "unaway", + "306": "nowaway", + "311": "whoisuser", + "312": "whoisserver", + "313": "whoisoperator", + "314": "whowasuser", + "315": "endofwho", + "316": "whoischanop", + "317": "whoisidle", + "318": "endofwhois", + "319": "whoischannels", + "321": "liststart", + "322": "list", + "323": "listend", + "324": "channelmodeis", + "329": "channelcreate", + "331": "notopic", + "332": "currenttopic", + "333": "topicinfo", + "341": "inviting", + "342": "summoning", + "346": "invitelist", + "347": "endofinvitelist", + "348": "exceptlist", + "349": "endofexceptlist", + "351": "version", + "352": "whoreply", + "353": "namreply", + "361": "killdone", + "362": "closing", + "363": "closeend", + "364": "links", + "365": "endoflinks", + "366": "endofnames", + "367": "banlist", + "368": "endofbanlist", + "369": "endofwhowas", + "371": "info", + "372": "motd", + "373": "infostart", + "374": "endofinfo", + "375": "motdstart", + "376": "endofmotd", + "377": "motd2", # 1997-10-16 -- tkil + "381": "youreoper", + "382": "rehashing", + "384": "myportis", + "391": "time", + "392": "usersstart", + "393": "users", + "394": "endofusers", + "395": "nousers", + "401": "nosuchnick", + "402": "nosuchserver", + "403": "nosuchchannel", + "404": "cannotsendtochan", + "405": "toomanychannels", + "406": "wasnosuchnick", + "407": "toomanytargets", + "409": "noorigin", + "411": "norecipient", + "412": "notexttosend", + "413": "notoplevel", + "414": "wildtoplevel", + "421": "unknowncommand", + "422": "nomotd", + "423": "noadmininfo", + "424": "fileerror", + "431": "nonicknamegiven", + "432": "erroneusnickname", # Thiss iz how its speld in thee RFC. + "433": "nicknameinuse", + "436": "nickcollision", + "437": "unavailresource", # "Nick temporally unavailable" + "441": "usernotinchannel", + "442": "notonchannel", + "443": "useronchannel", + "444": "nologin", + "445": "summondisabled", + "446": "usersdisabled", + "451": "notregistered", + "461": "needmoreparams", + "462": "alreadyregistered", + "463": "nopermforhost", + "464": "passwdmismatch", + "465": "yourebannedcreep", # I love this one... + "466": "youwillbebanned", + "467": "keyset", + "471": "channelisfull", + "472": "unknownmode", + "473": "inviteonlychan", + "474": "bannedfromchan", + "475": "badchannelkey", + "476": "badchanmask", + "477": "nochanmodes", # "Channel doesn't support modes" + "478": "banlistfull", + "481": "noprivileges", + "482": "chanoprivsneeded", + "483": "cantkillserver", + "484": "restricted", # Connection is restricted + "485": "uniqopprivsneeded", + "491": "nooperhost", + "492": "noservicehost", + "501": "umodeunknownflag", + "502": "usersdontmatch", +} + +generated_events = [ + # Generated events + "dcc_connect", + "dcc_disconnect", + "dccmsg", + "disconnect", + "ctcp", + "ctcpreply", +] + +protocol_events = [ + # IRC protocol events + "error", + "join", + "kick", + "mode", + "part", + "ping", + "privmsg", + "privnotice", + "pubmsg", + "pubnotice", + "quit", + "invite", + "pong", +] + +all_events = generated_events + protocol_events + numeric_events.values() diff --git a/logbot.py b/logbot.py new file mode 100644 index 0000000..ba66b76 --- /dev/null +++ b/logbot.py @@ -0,0 +1,188 @@ +#!/usr/bin/env python +""" + LogBot + + A minimal IRC log bot with FTP uploads + + Written by Chris Oliver + + Includes python-irclib from http://python-irclib.sourceforge.net/ + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +""" + +__author__ = "Chris Oliver <excid3@gmail.com>" +__version__ = "0.2.1" +__date__ = "08/11/2009" +__copyright__ = "Copyright (c) Chris Oliver" +__license__ = "GPL2" + +# Imports +import os +import os.path +import irclib +from ftplib import FTP +from time import strftime + +# Customizable Variables +######################## +# Log format +extensions = {'text':'log', + 'html':'html'} +# Valid formats: text, html +FORMAT = 'text' + +# Connection information +network = 'irc.freenode.net' +port = 6667 +channels = ['#keryx'] +nick = 'Excid3LogBot' +name = 'Excid3LogBot' + +# FTP information +USE_FTP = False # Allow FTP uploads +host = '' # Server Ex. deathlok.dreamhost.com +username = '' +password = '' +# Folder on the server where the logs will be stored +# ALWAYS terminate with a / +# NOTE: This directory should already exist +# Ex: chdir = 'excid3.com/logs/' +chdir = '' + +counter = 0 +lines = 50 + +def write(channel, message): + """ Write to the log file and console """ + # Format the message + string = '%s %s' % (strftime('[%H:%M]'), message) + if FORMAT == 'html': + string += '<br />' + string += '\n' + + # Make sure the local folder exists for logging this channel + if not os.path.exists(channel): + os.mkdir(channel) + + # Append the message to the file locally + path = os.path.join(channel, '%s_%s.%s' % (channel, strftime('%m-%d-%Y'), \ + extensions[FORMAT])) + f = open(path, 'a') + f.write(string) + f.close() + print '%s> %s' % (channel, message) + +def handleJoin(connection, event): + """ User joins channel """ + nick = event.source().split("!") + + try: + nickmask = nick[1] + nick = nick[0] + except: + nick = "unknown" + nickmask = "unknown" + + write(event.target(), '%s (%s) has joined %s' % + (nick, nickmask, event.target())) + +def handleInvite(connection, event): + """ User invites bot to join channel """ + connection.join(event.arguments()[0]) + +def handlePubMessage(connection, event): # Any public message + """ Public message is sent """ + global counter, lines + write(event.target(), '%s: %s' % \ + (event.source().split ('!')[0], event.arguments()[0])) + + # Update the counter and check it to see if its time to upload + counter += 1 + if counter == lines and USE_FTP: + upload() + counter = 0 + +def handlePart(connection, event): + """ User parts channel """ + write(event.target(), '%s has parted %s' % \ + (event.source().split('!')[0], event.target())) + +def upload(): + """ Upload files via FTP """ + try: + print 'Uploading logs to %s ...' % host + + # Create the FTP connection + ftp = FTP(host, username, password) + + # Attempt to create the directory if it does not already exist + try: ftp.mkd(chdir) + except: pass + + for channel in channels: + # Attempt to create subdirectory for channel + try: ftp.mkd('%s%s' % (chdir, channel)) + except: pass + + # Move to the directory + ftp.cwd('%s%s' % (chdir, channel)) + + # Get the path for the filename + path = os.path.join(channel, '%s_%s' % \ + (channel, strftime('%m-%d-%Y'))) + + # Open the file and store it via FTP + f = open(path, 'rb') + ftp.storbinary('STOR %s_%s.%s' % \ + (channel, strftime('%m-%d-%Y'), extensions[FORMAT]), f) + f.close() + + # Close the FTP connection + ftp.quit() + print 'Finished uploading logs to %s' % chdir + + except Exception, e: + print e + print 'Make sure your FTP information is correct.' + +def main(): + """ Join the IRC server """ + + # Write logs locally to logs/ + if not os.path.exists('logs'): + os.mkdir('logs') + os.chdir('logs') + + # Create an IRC object + irc = irclib.IRC() + + # Setup the IRC functionality we want to log + irc.add_global_handler('join', handleJoin) + irc.add_global_handler('pubmsg', handlePubMessage) + irc.add_global_handler('part', handlePart) + irc.add_global_handler('invite', handleInvite) + + # Create a server object, connect and join the channel + server = irc.server() + server.connect(network, port, nick, ircname=name) + for channel in channels: + server.join(channel) + + # Jump into an infinte loop + irc.process_forever() + +if __name__ == '__main__': + main() |