Limnoria/plugins/BadWords.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.
###
"""
Filters bad words on outgoing messages from the bot, so the bot can't be made
to say bad words.
"""
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__revision__ = "$Id$"
import plugins
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import re
import math
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import sets
import time
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import conf
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import utils
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import ircdb
import ircmsgs
import privmsgs
import registry
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import callbacks
def configure(advanced):
from questions import output, expect, anything, something, yn
conf.registerPlugin('BadWords', True)
if yn('Would you like to add some bad words?'):
words = anything('What words? (separate individual words by spaces)')
conf.supybot.plugins.BadWords.words.set(words)
class LastModifiedSetOfStrings(registry.SpaceSeparatedListOfStrings):
List = sets.Set
lastModified = 0
def setValue(self, v):
self.lastModified = time.time()
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registry.SpaceSeparatedListOfStrings.setValue(self, v)
conf.registerPlugin('BadWords')
conf.registerGlobalValue(conf.supybot.plugins.BadWords, 'words',
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LastModifiedSetOfStrings([], """Determines what words are
considered to be 'bad' so the bot won't say them."""))
conf.registerGlobalValue(conf.supybot.plugins.BadWords,'requireWordBoundaries',
registry.Boolean(False, """Determines whether the bot will require bad
words to be independent words, or whether it will censor them within other
words. For instance, if 'darn' is a bad word, then if this is true, 'darn'
will be censored, but 'darnit' will not. You probably want this to be
false."""))
class String256(registry.String):
def setValue(self, s):
multiplier = int(math.ceil(1024/len(s)))
registry.String.setValue(self, s*multiplier)
conf.registerGlobalValue(conf.supybot.plugins.BadWords, 'nastyChars',
String256('!@#&', """Determines what characters will replace bad words; a
chunk of these characters matching the size of the replaced bad word will
be used to replace the bad words you've configured."""))
class ReplacementMethods(registry.OnlySomeStrings):
validStrings = ('simple', 'nastyCharacters')
conf.registerGlobalValue(conf.supybot.plugins.BadWords, 'replaceMethod',
ReplacementMethods('nastyCharacters', """Determines the manner in which
bad words will be replaced. 'nastyCharacters' (the default) will replace a
bad word with the same number of 'nasty characters' (like those used in
comic books; configurable by supybot.plugins.BadWords.nastyChars).
'simple' will replace a bad word with a simple strings (regardless of the
length of the bad word); this string is configurable via
supybot.plugins.BadWords.simpleReplacement."""))
conf.registerGlobalValue(conf.supybot.plugins.BadWords,'simpleReplacement',
registry.String('[CENSORED]', """Determines what word will replace bad
words if the replacement method is 'simple'."""))
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class BadWords(privmsgs.CapabilityCheckingPrivmsg):
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priority = 1
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capability = 'admin'
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def __init__(self):
privmsgs.CapabilityCheckingPrivmsg.__init__(self)
self.lastModified = 0
self.words = conf.supybot.plugins.BadWords.words
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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))]
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def outFilter(self, irc, msg):
if msg.command == 'PRIVMSG':
if self.lastModified < self.words.lastModified:
self.makeRegexp(self.words())
self.lastModified = time.time()
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s = msg.args[1]
s = self.regexp.sub(self.sub, s)
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return ircmsgs.privmsg(msg.args[0], s)
else:
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)
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def add(self, irc, msg, args):
"""<word> [<word> ...]
Adds all <word>s to the list of words the bot isn't to say.
"""
set = self.words()
set.update(args)
self.words.setValue(set)
irc.replySuccess()
def remove(self, irc, msg, args):
"""<word> [<word> ...]
Removes a <word>s from the list of words the bot isn't to say.
"""
set = self.words()
for word in args:
set.discard(word)
self.words.setValue(set)
irc.replySuccess()
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Class = BadWords
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: