Limnoria/plugins/BadWords/plugin.py

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###
# Copyright (c) 2002-2004, Jeremiah Fincher
# Copyright (c) 2009, James Vega
# 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.
###
import re
import math
import time
import supybot.conf as conf
import supybot.utils as utils
import supybot.ircdb as ircdb
import supybot.ircmsgs as ircmsgs
from supybot.commands import *
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
class BadWords(callbacks.Privmsg):
def __init__(self, irc):
self.__parent = super(BadWords, self)
self.__parent.__init__(irc)
# This is so we can not filter certain outgoing messages (like list,
# which would be kinda useless if it were filtered).
self.filtering = True
self.lastModified = 0
self.words = conf.supybot.plugins.BadWords.words
def callCommand(self, name, irc, msg, *args, **kwargs):
if ircdb.checkCapability(msg.prefix, 'admin'):
self.__parent.callCommand(name, irc, msg, *args, **kwargs)
else:
irc.errorNoCapability('admin')
def sub(self, m):
replaceMethod = self.registryValue('replaceMethod')
if replaceMethod == 'simple':
return self.registryValue('simpleReplacement')
elif replaceMethod == 'nastyCharacters':
return self.registryValue('nastyChars')[:len(m.group(1))]
def inFilter(self, irc, msg):
self.filtering = True
# We need to check for bad words here rather than in doPrivmsg because
# messages don't get to doPrivmsg is the user is ignored.
if msg.command == 'PRIVMSG':
self.updateRegexp()
s = ircutils.stripFormatting(msg.args[1])
channel = msg.args[0]
if ircutils.isChannel(channel) and self.registryValue('kick', channel):
if self.regexp.search(s):
if irc.nick in irc.state.channels[channel].ops:
message = self.registryValue('kick.message', channel)
irc.queueMsg(ircmsgs.kick(channel, msg.nick, message))
else:
self.log.warning('Should kick %s from %s, but not opped.',
msg.nick, channel)
return msg
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def updateRegexp(self):
if self.lastModified < self.words.lastModified:
self.makeRegexp(self.words())
self.lastModified = time.time()
def outFilter(self, irc, msg):
if self.filtering and msg.command == 'PRIVMSG' and self.words():
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self.updateRegexp()
s = msg.args[1]
if self.registryValue('stripFormatting'):
s = ircutils.stripFormatting(s)
t = self.regexp.sub(self.sub, s)
if t != s:
msg = ircmsgs.privmsg(msg.args[0], t, msg=msg)
return msg
def makeRegexp(self, iterable):
s = '(%s)' % '|'.join(map(re.escape, iterable))
if self.registryValue('requireWordBoundaries'):
s = r'\b%s\b' % s
self.regexp = re.compile(s, re.I)
def list(self, irc, msg, args):
"""takes no arguments
Returns the list of words being censored.
"""
L = list(self.words())
if L:
self.filtering = False
utils.sortBy(str.lower, L)
irc.reply(format('%L', L))
else:
irc.reply('I\'m not currently censoring any bad words.')
list = wrap(list, ['admin'])
def add(self, irc, msg, args, words):
"""<word> [<word> ...]
Adds all <word>s to the list of words the bot isn't to say.
"""
set = self.words()
set.update(words)
self.words.setValue(set)
irc.replySuccess()
add = wrap(add, ['admin', many('something')])
def remove(self, irc, msg, args, words):
"""<word> [<word> ...]
Removes a <word>s from the list of words the bot isn't to say.
"""
set = self.words()
for word in words:
set.discard(word)
self.words.setValue(set)
irc.replySuccess()
remove = wrap(remove, ['admin', many('something')])
Class = BadWords
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: