mirror of
https://github.com/Mikaela/Limnoria.git
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241 lines
9.0 KiB
Python
241 lines
9.0 KiB
Python
###
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# Copyright (c) 2003, Daniel DiPaolo
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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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A module to allow each channel to have "news". News items may have expiration
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dates.
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"""
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__revision__ = "$Id$"
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import os
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import time
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import supybot.dbi as dbi
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import supybot.conf as conf
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import supybot.ircdb as ircdb
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import supybot.utils as utils
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import supybot.plugins as plugins
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from supybot.commands import additional, wrap
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.callbacks as callbacks
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class DbiNewsDB(plugins.DbiChannelDB):
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class DB(dbi.DB):
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class Record(dbi.Record):
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__fields__ = [
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'subject',
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'text',
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'at',
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'expires',
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'by',
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]
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def __str__(self):
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format = conf.supybot.reply.format.time()
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user = plugins.getUserName(self.by)
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if self.expires == 0:
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s = '%s (Subject: "%s", added by %s on %s)' % \
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(self.text, self.subject, self.by,
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time.strftime(format, time.localtime(self.at)))
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else:
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s = '%s (Subject: "%s", added by %s on %s, expires at %s)'
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s = s % (self.text, self.subject, user,
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time.strftime(format, time.localtime(self.at)),
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time.strftime(format, time.localtime(self.expires)))
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return s
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def __init__(self, filename):
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# We use self.__class__ here because apparently DB isn't in our
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# scope. python--
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self.__parent = super(self.__class__, self)
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self.__parent.__init__(filename)
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def add(self, subject, text, at, expires, by):
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return self.__parent.add(self.Record(at=at, by=by, text=text,
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subject=subject, expires=expires))
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def getOld(self, id=None):
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now = time.time()
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if id:
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return self.get(id)
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else:
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L = [R for R in self if R.expires < now and R.expires != 0]
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if not L:
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raise dbi.NoRecordError
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else:
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return L
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def get(self, id=None):
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now = time.time()
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if id:
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return self.__parent.get(id)
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else:
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L = [R for R in self if R.expires >= now or R.expires == 0]
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if not L:
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raise dbi.NoRecordError
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return L
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def change(self, id, f):
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news = self.get(id)
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s = '%s: %s' % (news.subject, news.text)
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s = f(s)
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(news.subject, news.text) = s.split(': ', 1)
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self.set(id, news)
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NewsDB = plugins.DB('News', {'flat': DbiNewsDB})
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class News(callbacks.Privmsg):
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def __init__(self):
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self.__parent = super(News, self)
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self.__parent.__init__()
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self.db = NewsDB()
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def die(self):
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self.__parent.die()
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self.db.close()
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def add(self, irc, msg, args, channel, user, at, expires, news):
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"""[<channel>] <expires> <subject>: <text>
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Adds a given news item of <text> to a channel with the given <subject>.
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If <expires> isn't 0, that news item will expire <expires> seconds from
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now. <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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try:
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(subject, text) = news.split(': ', 1)
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except ValueError:
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raise callbacks.ArgumentError
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id = self.db.add(channel, subject, text, at, expires, user.id)
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irc.replySuccess('(News item #%s added)' % id)
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add = wrap(add, ['channeldb', 'user', 'now', 'expiry', 'text'])
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def news(self, irc, msg, args, channel, id):
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"""[<channel>] [<id>]
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Display the news items for <channel> in the format of '(#id) subject'.
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If <id> is given, retrieve only that news item; otherwise retrieve all
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news items. <channel> is only necessary if the message isn't sent in
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the channel itself.
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"""
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if not id:
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try:
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records = self.db.get(channel)
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items = ['(#%s) %s' % (R.id, R.subject) for R in records]
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s = 'News for %s: %s' % (channel, '; '.join(items))
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irc.reply(s)
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except dbi.NoRecordError:
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irc.reply('No news for %s.' % channel)
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else:
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try:
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if id < 1:
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raise ValueError
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record = self.db.get(channel, id)
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irc.reply(str(record))
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except dbi.NoRecordError, id:
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irc.errorInvalid('news item id', id)
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except ValueError:
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irc.errorInvalid('news item id', id,
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'<id> must be a positive integer.')
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news = wrap(news, ['channeldb', additional('int')])
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def remove(self, irc, msg, args, channel, id):
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"""[<channel>] <id>
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Removes the news item with <id> from <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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try:
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if id < 1:
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raise ValueError
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self.db.remove(channel, id)
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irc.replySuccess()
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except dbi.NoRecordError:
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irc.errorInvalid('news item id', id)
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except ValueError:
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irc.errorInvalid('news item id', id,
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'<id> must be a positive integer.')
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remove = wrap(remove, ['channeldb', 'int'])
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def change(self, irc, msg, args, channel, id, replacer):
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"""[<channel>] <id> <regexp>
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Changes the news item with <id> from <channel> according to the
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regular expression <regexp>. <regexp> should be of the form
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s/text/replacement/flags. <channel> is only necessary if the message
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isn't sent on the channel itself.
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"""
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try:
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if id < 1:
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raise ValueError
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self.db.change(channel, id, replacer)
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irc.replySuccess()
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except dbi.NoRecordError:
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irc.errorInvalid('news item id', id)
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except ValueError:
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irc.errorInvalid('news item id', id,
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'<id> must be a positive integer.')
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change = wrap(change, ['channeldb', 'int', 'regexpReplacer'])
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def old(self, irc, msg, args, channel, id):
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"""[<channel>] [<id>]
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Returns the old news item for <channel> with <id>. If no number is
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given, returns all the old news items in reverse order. <channel> is
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only necessary if the message isn't sent in the channel itself.
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"""
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if id:
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try:
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if id < 1:
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raise ValueError
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record = self.db.getOld(channel, id)
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irc.reply(str(record))
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except dbi.NoRecordError, id:
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irc.errorInvalid('news item id', id)
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except ValueError:
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irc.errorInvalid('news item id', id,
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'<id> must be a positive integer.')
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else:
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try:
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records = self.db.getOld(channel)
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items = ['(#%s) %s' % (R.id, R.subject) for R in records]
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s = 'Old news for %s: %s' % (channel, '; '.join(items))
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irc.reply(s)
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except dbi.NoRecordError:
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irc.reply('No old news for %s.' % channel)
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old = wrap(old, ['channeldb', additional('int')])
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Class = News
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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