mirror of https://github.com/Mikaela/Limnoria.git
451 lines
18 KiB
Python
451 lines
18 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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Provides commands for manipulating channel topics.
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"""
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import supybot
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__revision__ = "$Id$"
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__author__ = supybot.authors.jemfinch
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import supybot.plugins as plugins
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import re
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import random
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircdb as ircdb
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import supybot.ircmsgs as ircmsgs
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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class TopicFormat(registry.String):
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"Value must include $topic, otherwise the actual topic would be left out."
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def setValue(self, v):
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if '$topic' in v or '${topic}' in v:
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registry.String.setValue(self, v)
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else:
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self.error()
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conf.registerPlugin('Topic')
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conf.registerChannelValue(conf.supybot.plugins.Topic, 'separator',
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registry.StringSurroundedBySpaces(' || ', """Determines what separator is
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used between individually added topics in the channel topic."""))
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conf.registerChannelValue(conf.supybot.plugins.Topic, 'format',
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TopicFormat('$topic ($nick)', """Determines what format is used to add
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topics in the topic. All the standard substitutes apply, in addiction to
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"$topic" for the topic itself."""))
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conf.registerChannelValue(conf.supybot.plugins.Topic, 'recognizeTopiclen',
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registry.Boolean(True, """Determines whether the bot will recognize the
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TOPICLEN value sent to it by the server and thus refuse to send TOPICs
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longer than the TOPICLEN. These topics are likely to be truncated by the
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server anyway, so this defaults to True."""))
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conf.registerChannelValue(conf.supybot.plugins.Topic, 'default',
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registry.String('', """Determines what the default topic for the channel
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is. This is used by the default command to set this topic."""))
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conf.registerGroup(conf.supybot.plugins.Topic, 'undo')
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conf.registerChannelValue(conf.supybot.plugins.Topic.undo, 'max',
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registry.NonNegativeInteger(10, """Determines the number of previous
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topics to keep around in case the undo command is called."""))
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class Topic(callbacks.Privmsg):
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def __init__(self):
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callbacks.Privmsg.__init__(self)
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self.undos = ircutils.IrcDict()
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self.redos = ircutils.IrcDict()
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self.lastTopics = ircutils.IrcDict()
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def _splitTopic(self, topic, channel):
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separator = self.registryValue('separator', channel)
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return filter(None, topic.split(separator))
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def _joinTopic(self, channel, topics):
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separator = self.registryValue('separator', channel)
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return separator.join(topics)
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def _formatTopic(self, irc, msg, channel, topic):
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formatter = self.registryValue('format', channel)
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env = {'topic': topic}
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return plugins.standardSubstitute(irc, msg, formatter, env)
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def _addUndo(self, channel, topics):
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stack = self.undos.setdefault(channel, [])
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stack.append(topics)
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maxLen = self.registryValue('undo.max', channel)
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del stack[:len(stack)-maxLen]
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def _addRedo(self, channel, topics):
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stack = self.redos.setdefault(channel, [])
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stack.append(topics)
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maxLen = self.registryValue('undo.max', channel)
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del stack[:len(stack)-maxLen]
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def _getUndo(self, channel):
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try:
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return self.undos[channel].pop()
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except (KeyError, IndexError):
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return None
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def _getRedo(self, channel):
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try:
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return self.redos[channel].pop()
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except (KeyError, IndexError):
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return None
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def _sendTopics(self, irc, channel, topics, isDo=False):
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topics = [s for s in topics if s and not s.isspace()]
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self.lastTopics[channel] = topics
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newTopic = self._joinTopic(channel, topics)
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try:
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maxLen = irc.state.supported['topiclen']
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if len(newTopic) > maxLen:
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if self.registryValue('recognizeTopiclen', channel):
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irc.error('That topic is too long for this server '
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'(maximum length: %s).' % maxLen, Raise=True)
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except KeyError:
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pass
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self._addUndo(channel, topics)
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if not isDo and channel in self.redos:
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del self.redos[channel]
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irc.queueMsg(ircmsgs.topic(channel, newTopic))
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def _canChangeTopic(self, irc, channel):
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c = irc.state.channels[channel]
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if irc.nick not in c.ops and 't' in c.modes:
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irc.error('I can\'t change the topic, I\'m not opped and %s '
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'is +t.' % channel, Raise=True)
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else:
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return True
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def _topicNumber(self, irc, n, topics=None, normalize=False):
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try:
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n = int(n)
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if not n:
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raise ValueError
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if n > 0:
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n -= 1
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if topics is not None:
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topics[n]
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if normalize:
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assert topics, 'Can\'t normalize without topics.'
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if n < 0:
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n += len(topics)
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return n
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except (ValueError, IndexError):
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irc.error('That\'s not a valid topic number.', Raise=True)
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def add(self, irc, msg, args, channel, insert=False):
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"""[<channel>] <topic>
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Adds <topic> to the topics for <channel>. <channel> is only necessary
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if the message isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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topic = privmsgs.getArgs(args)
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separator = self.registryValue('separator', channel)
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if separator in topic:
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s = 'You can\'t have %s in your topic' % separator
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irc.error(s)
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return
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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formattedTopic = self._formatTopic(irc, msg, channel, topic)
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if insert:
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topics.insert(0, formattedTopic)
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else:
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topics.append(formattedTopic)
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self._sendTopics(irc, channel, topics)
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add = privmsgs.channel(add)
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def insert(self, irc, msg, args):
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"""[<channel>] <topic>
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Adds <topic> to the topics for <channel> at the beginning of the topics
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currently on <channel>. <channel> is only necessary if the message
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isn't sent in the channel itself.
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"""
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self.add(irc, msg, args, insert=True)
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def shuffle(self, irc, msg, args, channel):
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"""[<channel>]
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Shuffles the topics in <channel>. <channel> is only necessary if the
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message isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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newtopic = irc.state.getTopic(channel)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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if len(topics) == 0 or len(topics) == 1:
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irc.error('I can\'t shuffle 1 or fewer topics.')
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return
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elif len(topics) == 2:
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topics.reverse()
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else:
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original = topics[:]
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while topics == original:
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random.shuffle(topics)
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self._sendTopics(irc, channel, topics)
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shuffle = privmsgs.channel(shuffle)
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def reorder(self, irc, msg, args, channel):
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"""[<channel>] <number> [<number> ...]
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Reorders the topics from <channel> in the order of the specified
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<number> arguments. <number> is a one-based index into the topics.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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"""
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self._canChangeTopic(irc, channel)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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num = len(topics)
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if num == 0 or num == 1:
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irc.error('I cannot reorder 1 or fewer topics.')
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return
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if len(args) != num:
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irc.error('All topic numbers must be specified.')
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return
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order = privmsgs.getArgs(args, required=num)
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for i,p in enumerate(order):
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order[i] = self._topicNumber(irc, p, topics=topics)
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if order[i] < 0:
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order[i] += num
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if sorted(order) != range(num):
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irc.error('Duplicate topic numbers cannot be specified.')
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return
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newtopics = [topics[i] for i in order]
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self._sendTopics(irc, channel, newtopics)
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reorder = privmsgs.channel(reorder)
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def list(self, irc, msg, args, channel):
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"""[<channel>] <number>
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Returns a list of the topics in <channel>, prefixed by their indexes.
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Mostly useful for topic reordering. <channel> is only necessary if the
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message isn't sent in the channel itself.
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"""
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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L = []
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for (i, t) in enumerate(topics):
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L.append('%s: %s' % (i+1, utils.ellipsisify(t, 30)))
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s = utils.commaAndify(L)
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irc.reply(s)
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list = privmsgs.channel(list)
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def get(self, irc, msg, args, channel):
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"""[<channel>] <number>
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Returns topic number <number> from <channel>. <number> is a one-based
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index into the topics. <channel> is only necessary if the message
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isn't sent in the channel itself.
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"""
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number = privmsgs.getArgs(args)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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if topics:
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number = self._topicNumber(irc, number, topics=topics)
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irc.reply(topics[number])
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else:
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irc.error('There are no topics to get.')
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get = privmsgs.channel(get)
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def change(self, irc, msg, args, channel):
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"""[<channel>] <number> <regexp>
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Changes the topic number <number> on <channel> according to the regular
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expression <regexp>. <number> is the one-based index into the topics;
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<regexp> is a regular expression of the form
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s/regexp/replacement/flags. <channel> is only necessary if the message
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isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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(number, regexp) = privmsgs.getArgs(args, required=2)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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if not topics:
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irc.error('There are no topics to change.')
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return
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number = self._topicNumber(irc, number, topics=topics)
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try:
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replacer = utils.perlReToReplacer(regexp)
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except ValueError, e:
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irc.error('The regexp wasn\'t valid: %s' % e)
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return
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topics[number] = replacer(topics[number])
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self._sendTopics(irc, channel, topics)
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change = privmsgs.channel(change)
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def set(self, irc, msg, args, channel):
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"""[<channel>] [<number>] <topic>
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Sets the topic <number> to be <text>. If no <number> is given, this
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sets the entire topic. <channel> is only necessary if the message
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isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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(i, topic) = privmsgs.getArgs(args, optional=1)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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try:
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int(i) # If this isn't a number, do something else.
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except ValueError:
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self._sendTopics(irc, channel, [privmsgs.getArgs(args)])
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return
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i = self._topicNumber(irc, i, topics=topics)
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topic = self._formatTopic(irc, msg, channel, topic)
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topics[i] = topic
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self._sendTopics(irc, channel, topics)
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set = privmsgs.channel(set)
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def remove(self, irc, msg, args, channel):
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"""[<channel>] <number>
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Removes topic <number> from the topic for <channel> Topics are
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numbered starting from 1; you can also use negative indexes to refer
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to topics starting the from the end of the topic. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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i = privmsgs.getArgs(args)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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i = self._topicNumber(irc, i, topics=topics)
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topic = topics.pop(i)
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self._sendTopics(irc, channel, topics)
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remove = privmsgs.channel(remove)
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def lock(self, irc, msg, args, channel):
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"""[<channel>]
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Locks the topic (sets the mode +t) in <channel>. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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if irc.nick in irc.state.channels[channel].ops:
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irc.queueMsg(ircmsgs.mode(channel, '+t'))
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else:
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irc.error('How can I unlock the topic, I\'m not opped!')
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lock = privmsgs.channel(lock)
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def unlock(self, irc, msg, args, channel):
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"""[<channel>]
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Locks the topic (sets the mode +t) in <channel>. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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if irc.nick in irc.state.channels[channel].ops:
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irc.queueMsg(ircmsgs.mode(channel, '-t'))
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else:
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irc.error('How can I unlock the topic, I\'m not opped!')
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unlock = privmsgs.channel(unlock)
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def restore(self, irc, msg, args, channel):
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"""[<channel>]
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Restores the topic to the last topic set by the bot. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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self._canChangeTopic(irc, channel)
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try:
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topics = self.lastTopics[channel]
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except KeyError:
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irc.error('I haven\'t yet set the topic in %s.' % channel)
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return
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self._sendTopics(irc, channel, topics)
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restore = privmsgs.channel(restore)
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def undo(self, irc, msg, args, channel):
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"""[<channel>]
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Restores the topic to the one previous to the last topic command that
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set it. <channel> is only necessary if the message isn't sent in the
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channel itself.
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"""
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self._addRedo(channel, self._getUndo(channel)) # current topic.
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topics = self._getUndo(channel) # This is the topic list we want.
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if topics is not None:
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self._sendTopics(irc, channel, topics, isDo=True)
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else:
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irc.error('There are no more undos for %s.' % channel)
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undo = privmsgs.channel(undo)
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def redo(self, irc, msg, args, channel):
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"""[<channel>]
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Undoes the last undo. <channel> is only necessary if the message isn't
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sent in the channel itself.
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"""
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topics = self._getRedo(channel)
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if topics is not None:
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self._sendTopics(irc, channel, topics, isDo=True)
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else:
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irc.error('There are no redos for %s.' % channel)
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redo = privmsgs.channel(redo)
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def swap(self, irc, msg, args, channel):
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"""[<channel>] <first topic number> <second topic number>
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Swaps the order of the first topic number and the second topic number.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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"""
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self._canChangeTopic(irc, channel)
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(first, second) = privmsgs.getArgs(args, required=2)
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topics = self._splitTopic(irc.state.getTopic(channel), channel)
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first = self._topicNumber(irc, first, topics, normalize=True)
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second = self._topicNumber(irc, second, topics, normalize=True)
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if first == second:
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irc.error('I refuse to swap the same topic with itself.')
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return
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t = topics[first]
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topics[first] = topics[second]
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topics[second] = t
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self._sendTopics(irc, channel, topics)
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swap = privmsgs.channel(swap)
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def default(self, irc, msg, args, channel):
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"""[<channel>]
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Sets the topic in <channel> to the default topic for <channel>. The
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default topic for a channel may be configured via the configuration
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variable supybot.plugins.Topic.default.
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"""
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topic = self.registryValue('default', channel)
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if topic:
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self._sendTopics(irc, channel, [topic])
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else:
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irc.error('There is no default topic configured for %s.' % channel)
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default = privmsgs.channel(default)
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Class = Topic
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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