Limnoria/plugins/LogToChannel.py

#!/usr/bin/python
# -*- coding:utf-8 -*-

###
# Copyright (c) 2004, Stéphan Kochen
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"""
Allows for sending the bot's logging output to a channel.
"""

__revision__ = "$Id$"

import plugins

import logging

import log
import conf
import utils
import world
import ircmsgs
import ircutils
import privmsgs
import registry
import callbacks


class IrcHandler(logging.Handler):
    def emit(self, record):
        channel = conf.supybot.plugins.LogToChannel.channel()
        try:
            s = utils.normalizeWhitespace(self.format(record))
        except:
            self.handleError(record)
        msg = ircmsgs.privmsg(channel, s)
        if channel:
            for irc in world.ircs:
                try:
                    if not irc.driver.connected:
                        continue
                except AttributeError, e:
                    print '*** AttributeError, shouldn\'t happen: %s' % e
                    continue
                if channel in irc.state.channels:
                    irc.queueMsg(msg)
            

class IrcFormatter(log.Formatter):
    def formatException(self, ei):
        import cStringIO
        import traceback
        sio = cStringIO.StringIO()
        traceback.print_exception(ei[0], ei[1], None, None, sio)
        s = sio.getvalue()
        sio.close()
        return s


class ColorizedIrcFormatter(IrcFormatter):
    def formatException(self, (E, e, tb)):
        if conf.supybot.plugins.LogToChannel.colorized():
            return ircutils.bold(ircutils.mircColor(
                                IrcFormatter.formatException(self, (E, e, tb)),
                                fg='red'))
        else:
            return IrcFormatter.formatException(self, (E, e, tb))

    def format(self, record, *args, **kwargs):
        s = IrcFormatter.format(self, record, *args, **kwargs)
        if conf.supybot.plugins.LogToChannel.colorized():
            if record.levelno == logging.CRITICAL:
                s = ircutils.bold(ircutils.mircColor(s, fg='red'))
            elif record.levelno == logging.ERROR:
                s = ircutils.mircColor(s, fg='orange')
            elif record.levelno == logging.WARNING:
                s = ircutils.mircColor(s, fg='yellow')
        return s


_ircHandler = IrcHandler()
_formatString = '%(name)s: %(levelname)s %(message)s'
_ircFormatter = ColorizedIrcFormatter(_formatString)
_ircHandler.setFormatter(_ircFormatter)

class ChannelLogLevel(log.LogLevel):
    """Invalid log level.  Value must be either INFO, WARNING, ERROR,
    or CRITICAL."""
    def setValue(self, v):
        if v <= logging.DEBUG:
            self.error()
        else:
            log.LogLevel.setValue(self, v)
            _ircHandler.setLevel(v)

class ValidChannelOrNot(conf.ValidChannel):
    def setValue(self, v):
        if v:
            conf.ValidChannel.setValue(self, v)
        else:
            registry.Value.setValue(self, '')

conf.registerPlugin('LogToChannel')
conf.registerGlobalValue(conf.supybot.plugins.LogToChannel, 'level',
    ChannelLogLevel(logging.WARNING, """Determines what the minimum priority
    level logged will be to IRC. See supybot.log.level for possible
    values.  DEBUG is disabled due to the large quantity of output."""))
conf.registerGlobalValue(conf.supybot.plugins.LogToChannel, 'channel',
    ValidChannelOrNot('', """Determines which channel the bot should log to or
    empty if none at all."""))
conf.registerGlobalValue(conf.supybot.plugins.LogToChannel, 'colorized',
    registry.Boolean(False, """Determines whether the bot's logs
    to IRC will be colorized with mIRC colors."""))

def configure(advanced):
    from questions import something, anything, yn, output
    channel = ''
    while not channel:
        try:
            channel = anything('Which channel would you like to send log '
                                 'messages too?')
            conf.supybot.plugins.LogToChannel.channel.set(channel)
        except registry.InvalidRegistryValue, e:
            output(str(e))
            channel = ''
    colorized = yn('Would you like these messages to be colored?')
    conf.supybot.plugins.LogToChannel.colorized.setValue(colorized)
    if advanced:
        level = ''
        while not level:
            try:
                level = something('What would you like the minimum priority '
                                  'level to be which will be logged to IRC?')
                conf.supybot.plugins.LogToChannel.level.set(level)
            except registry.InvalidRegistryValue, e:
                output(str(e))
                level = ''


class LogToChannel(callbacks.Privmsg):
    threaded = True
    def __init__(self):
        callbacks.Privmsg.__init__(self)
        log._logger.addHandler(_ircHandler)

    def die(self):
        log._logger.removeHandler(_ircHandler)

    def do376(self, irc, msg):
        channel = self.registryValue('channel')
        if channel:
            irc.queueMsg(ircmsgs.join(channel))
            

Class = LogToChannel

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