Limnoria/plugins/Topic.py

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2003-03-12 07:26:59 +01:00
#!/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.
###
"""
Provides commands for manipulating channel topics.
Commands include:
addtopic
removetopic
shuffletopic
"""
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from baseplugin import *
import re
import random
import debug
import ircdb
import ircmsgs
import privmsgs
import callbacks
class Topic(callbacks.Privmsg):
topicSeparator = ' || '
topicFormatter = '%s (%s)'
topicUnformatter = re.compile('(.*) \((.*)\)')
def addtopic(self, irc, msg, args):
"[<channel>] (if not sent in the channel itself) <topic>"
channel = privmsgs.getChannel(msg, args)
capability = ircdb.makeChannelCapability(channel, 'topic')
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topic = privmsgs.getArgs(args)
if ircdb.checkCapability(msg.prefix, capability):
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if topic.find(self.topicSeparator) != -1:
s = 'You can\'t have %s in your topic' % self.topicSeparator
irc.error(msg, s)
return
currentTopic = irc.state.getTopic(channel)
name = ircdb.users.getUserName(msg.prefix)
formattedTopic = self.topicFormatter % (topic, name)
if currentTopic:
newTopic = self.topicSeparator.join((currentTopic,
formattedTopic))
else:
newTopic = formattedTopic
irc.queueMsg(ircmsgs.topic(channel, newTopic))
else:
irc.error(msg, conf.replyNoCapability % capability)
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def shuffletopic(self, irc, msg, args):
"[<channel>] (if not sent in the channel itself)"
channel = privmsgs.getChannel(msg, args)
capability = ircdb.makeChannelCapability(channel, 'topic')
if ircdb.checkCapability(msg.prefix, capability):
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topics = irc.state.getTopic(channel).split(self.topicSeparator)
random.shuffle(topics)
newtopic = self.topicSeparator.join(topics)
irc.queueMsg(ircmsgs.topic(channel, newtopic))
else:
irc.error(msg, conf.replyNoCapability % capability)
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def changetopic(self, irc, msg, args):
"[<channel>] <number> <regexp> <replacement>"
channel = privmsgs.getChannel(msg, args)
(number, regexp, replacement) = privmsgs.getArgs(args, needed=3)
try:
number = int(number)
r = re.compile(regexp, re.I)
except ValueError:
irc.error(msg, 'The <number> argument must be a number.')
return
except sre_constants.error, e:
irc.error(msg, debug.exnToString(e))
return
topics = irc.state.getTopic(channel).split(self.topicSeparator)
topic = topics.pop(number)
(topic, name) = self.topicUnformatter.match(topic).groups()
if name != ircdb.users.getUserName(msg.prefix) and \
not ircdb.checkCapabilities(msg.prfix, ('op', 'admin')):
irc.error(msg, 'You can only modify your own topics.')
return
newTopic = self.topicFormatter % (r.sub(replacement, topic), name)
topics.insert(number, newTopic)
newTopic = self.topicSeparator.join(topics)
irc.queueMsg(ircmsgs.topic(channel, newTopic))
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def removetopic(self, irc, msg, args):
"[<channel>] (if not sent in the channel itself) <topic number>"
channel = privmsgs.getChannel(msg, args)
capability = ircdb.makeChannelCapability(channel, 'topic')
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try:
number = int(privmsgs.getArgs(args))
except ValueError:
irc.error(msg, 'The argument must be a number.')
return
if ircdb.checkCapability(msg.prefix, capability):
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topics = irc.state.getTopic(channel).split(self.topicSeparator)
topic = topics.pop(number)
debug.printf(topic)
(topic, name) = self.topicUnformatter.match(topic).groups()
if name != ircdb.users.getUserName(msg.prefix) and \
not ircdb.checkCapabilities(msg.prefix, ('op', 'admin')):
irc.error('You can only remove your own topics.')
return
newTopic = self.topicSeparator.join(topics)
irc.queueMsg(ircmsgs.topic(channel, newTopic))
else:
irc.error(msg, conf.replyNoCapability % capability)
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Class = Topic
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: