Limnoria/plugins/DCC.py

#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
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###

"""
Supports various DCC things.
"""

import plugins

import socket
import textwrap
import threading

import debug
import utils
import world
import ircmsgs
import ircutils
import privmsgs
import callbacks


def configure(onStart, afterConnect, advanced):
    # This will be called by setup.py to configure this module.  onStart and
    # afterConnect are both lists.  Append to onStart the commands you would
    # like to be run when the bot is started; append to afterConnect the
    # commands you would like to be run when the bot has finished connecting.
    from questions import expect, anything, something, yn
    onStart.append('load DCC')

class DCC(callbacks.Privmsg):
    def chat(self, irc, msg, args):
        """<text>

        Sends <text> to the user via a DCC CHAT.  Use nested commands to your
        benefit here.
        """
        text = privmsgs.getArgs(args)
        def openChatPort():
            try:
                sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                sock.settimeout(60)
                host = ircutils.hostFromHostmask(irc.prefix)
                ip = socket.gethostbyname(host)
                i = ircutils.dccIP(ip)
                sock.bind((host, 0))
                port = sock.getsockname()[1]
                debug.msg('DCC CHAT port opened at (%s, %s)' % (host, port),
                          'normal')
                sock.listen(1)
                irc.queueMsg(ircmsgs.privmsg(msg.nick,
                                             '\x01DCC CHAT chat %s %s\x01' % \
                                             (i, port)))
                (realSock, addr) = sock.accept()
                debug.msg('DCC CHAT accepted from %s' % (addr,), 'normal')
                for line in textwrap.wrap(text, 80):
                    realSock.send(line)
                    realSock.send('\n')
            finally:
                debug.msg('Finally closing sock and realSock.', 'normal')
                sock.close()
                try:
                    realSock.close()
                except UnboundLocalError:
                    pass
        t = threading.Thread(target=openChatPort)
        world.threadsSpawned += 1
        t.setDaemon(True)
        t.start()
                         


Class = DCC

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