Limnoria/plugins/ChannelLogger.py

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#!/usr/bin/env python
###
# Copyright (c) 2002, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
Logs each channel to its own individual logfile.
"""
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__revision__ = "$Id$"
import plugins
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import time
from cStringIO import StringIO
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import os
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import conf
import world
import irclib
import ircmsgs
import ircutils
import registry
import callbacks
conf.registerPlugin('ChannelLogger')
conf.registerGlobalValue(conf.supybot.plugins.ChannelLogger,
'flushImmediately', registry.Boolean(False, """Determines whether channel
logfiles will be flushed anytime they're written to, rather than being
buffered by the operating system."""))
conf.registerChannelValue(conf.supybot.plugins.ChannelLogger, 'timestamp',
registry.Boolean(True, """Determines whether the logs for this channel are
timestamped with the timestamp in supybot.log.timestampFormat."""))
conf.registerChannelValue(conf.supybot.plugins.ChannelLogger, 'noLogPrefix',
registry.String('[nolog]', """Determines what string a message should be
prefixed with in order not to be logged. If you don't want any such
prefix, just set it to the empty string."""))
conf.registerChannelValue(conf.supybot.plugins.ChannelLogger,
'includeNetworkName', registry.Boolean(True, """Determines whether the bot
will include the name of the network in the filename for channel logs.
Since this is a channel-specific value, you can override for any channel.
You almost certainly want this to be True if you're relaying in a given
channel."""))
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conf.registerChannelValue(conf.supybot.plugins.ChannelLogger, 'rotateLogs',
registry.Boolean(False, """Determines whether the bot will automatically
rotate the logs for this channel."""))
conf.registerChannelValue(conf.supybot.plugins.ChannelLogger,
'filenameTimestamp', registry.String('%d-%a-%Y', """Determines how to
represent the timestamp used for the filename in rotated logs. When this
timestamp changes, the old logfiles will be closed and a new one started.
The format characters for the timestamp are in the time.strftime docs at
python.org. In order for your logs to be rotated, you'll also have to
enable supybot.plugins.ChannelLogger.rotateLogs."""))
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class FakeLog(object):
def flush(self):
return
def close(self):
return
def write(self, s):
return
class ChannelLogger(callbacks.Privmsg):
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def __init__(self):
callbacks.Privmsg.__init__(self)
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self.lastMsg = None
self.laststate = None
self.logs = ircutils.IrcDict()
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world.flushers.append(self.flush)
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def die(self):
for log in self.logs.itervalues():
log.close()
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world.flushers = [x for x in world.flushers
if hasattr(x, 'im_class') and x.im_class == self]
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def __call__(self, irc, msg):
try:
super(self.__class__, self).__call__(irc, msg)
if self.lastMsg:
self.laststate.addMsg(irc, self.lastMsg)
else:
self.laststate = irc.state.copy()
finally:
# We must make sure this always gets updated.
self.lastMsg = msg
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def reset(self):
for log in self.logs.itervalues():
log.close()
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self.logs.clear()
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def flush(self):
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self.checkLogNames()
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try:
for log in self.logs.itervalues():
log.flush()
except ValueError, e:
if e.args[0] != 'I/O operation on a closed file':
self.log.exception('Odd exception:')
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def logNameTimestamp(self, channel):
format = self.registryValue('filenameTimestamp', channel)
return time.strftime(format)
def getLogName(self, channel):
if self.registryValue('rotateLogs', channel):
return '%s.%s.log' % (channel, self.logNameTimestamp(channel))
else:
return '%s.log' % channel
def checkLogNames(self):
for (channel, log) in self.logs.items():
if self.registryValue('rotateLogs', channel):
name = self.getLogName(channel)
if name != log.name:
log.close()
del self.logs[channel]
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def getLog(self, channel):
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self.checkLogNames()
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if channel in self.logs:
return self.logs[channel]
else:
try:
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logDir = conf.supybot.directories.log()
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name = self.getLogName(channel)
log = file(os.path.join(logDir, name), 'a')
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self.logs[channel] = log
return log
except IOError:
self.log.exception('Error opening log:')
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return FakeLog()
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def timestamp(self, log):
format = conf.supybot.log.timestampFormat()
if format:
log.write(time.strftime(format))
log.write(' ')
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def normalizeChannel(self, irc, channel):
if self.registryValue('includeNetworkName', channel):
channel = '%s@%s' % (channel, irc.network)
return ircutils.toLower(channel)
def doLog(self, irc, channel, s):
channel = self.normalizeChannel(irc, channel)
log = self.getLog(channel)
if self.registryValue('timestamp', channel):
self.timestamp(log)
log.write(s)
if self.registryValue('flushImmediately'):
log.flush()
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def doPrivmsg(self, irc, msg):
(recipients, text) = msg.args
for channel in recipients.split(','):
noLogPrefix = self.registryValue('noLogPrefix', channel)
if noLogPrefix and text.startswith(noLogPrefix):
text = '-= THIS MESSAGE NOT LOGGED =-'
if ircutils.isChannel(channel):
nick = msg.nick or irc.nick
if ircmsgs.isAction(msg):
self.doLog(irc, channel,
'* %s %s\n' % (nick, ircmsgs.unAction(msg)))
else:
self.doLog(irc, channel, '<%s> %s\n' % (nick, text))
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def doNotice(self, irc, msg):
(recipients, text) = msg.args
for channel in recipients.split(','):
if ircutils.isChannel(channel):
self.doLog(irc, channel, '-%s- %s\n' % (msg.nick, text))
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def doJoin(self, irc, msg):
for channel in msg.args[0].split(','):
self.doLog(irc, channel,
'*** %s has joined %s\n' %
(msg.nick or msg.prefix, channel))
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def doKick(self, irc, msg):
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if len(msg.args) == 3:
(channel, target, kickmsg) = msg.args
else:
(channel, target) = msg.args
kickmsg = ''
if kickmsg:
self.doLog(irc, channel,
'*** %s was kicked by %s (%s)\n' %
(target, msg.nick, kickmsg))
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else:
self.doLog(irc, channel,
'*** %s was kicked by %s\n' % (target, msg.nick))
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def doPart(self, irc, msg):
for channel in msg.args[0].split(','):
self.doLog(irc, channel,
'*** %s has left %s\n' % (msg.nick, channel))
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def doMode(self, irc, msg):
channel = msg.args[0]
if ircutils.isChannel(channel) and msg.args[1:]:
self.doLog(irc, channel,
'*** %s sets mode: %s %s\n' %
(msg.nick or msg.prefix, msg.args[1],
' '.join(msg.args[2:])))
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def doTopic(self, irc, msg):
if len(msg.args) == 1:
return # It's an empty TOPIC just to get the current topic.
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channel = msg.args[0]
self.doLog(irc, channel,
'*** %s changes topic to "%s"\n' % (msg.nick, msg.args[1]))
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def doQuit(self, irc, msg):
for (channel, chan) in self.laststate.channels.iteritems():
if msg.nick in chan.users:
self.doLog(irc, channel, '*** %s has quit IRC\n' % msg.nick)
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def outFilter(self, irc, msg):
# Gotta catch my own messages *somehow* :)
# Let's try this little trick...
if msg.command != 'PART':
m = ircmsgs.IrcMsg(msg=msg, prefix=irc.prefix)
self(irc, m)
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return msg
Class = ChannelLogger
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: