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285 lines
11 KiB
Python
285 lines
11 KiB
Python
###
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# Copyright (c) 2004, Jeremiah Fincher
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# Copyright (c) 2010, James McCoy
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# Copyright (c) 2010-2021, The Limnoria Contributors
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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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import csv
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import time
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import codecs
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import datetime
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import supybot.log as log
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import supybot.conf as conf
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.ircmsgs as ircmsgs
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('Later')
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class QueueIsFull(Exception):
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pass
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class Later(callbacks.Plugin):
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"""
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Used to do things later; currently, it only allows the sending of
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nick-based notes. Do note (haha!) that these notes are *not* private
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and don't even pretend to be; if you want such features, consider using the
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Note plugin.
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Use the ``later tell`` command to leave a message to a user.
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If you sent the message by accident or want to cancel it,
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you can use the `later undo` command to remove the latest later,
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which you have sent.
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You can also see the people who have notes waiting for them by using
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the `later notes` command. If you specify a nickname in ``later notes``
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command, you will see the notes, which are waiting for the nickname.
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Privacy
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-------
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As you probably noticed from above, this plugin isn't private.
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Everyone can see notes sent by anyone and the laters are sent on channel
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by default and as the "plugin help later" says::
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Used to do things later; currently, it only allows the sending of nick-based notes. Do note (haha!) that these notes are *not* private and don't even pretend to be; if you want such features, consider using the Note plugin.
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The Note plugin identifies people by username instead of nickname
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and allows only users to send notes.
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The only people who are able to read notes are the sender, receiver,
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and the owner.
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"""
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def __init__(self, irc):
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self.__parent = super(Later, self)
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self.__parent.__init__(irc)
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self._notes = ircutils.IrcDict()
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self.wildcards = []
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self.filename = conf.supybot.directories.data.dirize('Later.db')
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self._openNotes()
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def die(self):
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self._flushNotes()
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def _flushNotes(self):
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fd = utils.file.AtomicFile(self.filename)
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writer = csv.writer(fd)
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for (nick, notes) in self._notes.items():
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for (time, whence, text) in notes:
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writer.writerow([nick, time, whence, text])
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fd.close()
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def _openNotes(self):
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try:
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fd = codecs.open(self.filename, encoding='utf8')
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except EnvironmentError as e:
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self.log.warning('Couldn\'t open %s: %s', self.filename, e)
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return
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reader = csv.reader(fd)
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for (nick, time, whence, text) in reader:
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self._addNote(nick, whence, text, at=float(time), maximum=0)
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fd.close()
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def _timestamp(self, when):
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#format = conf.supybot.reply.format.time()
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diff = when - time.time()
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try:
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return utils.timeElapsed(diff, seconds=False)
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except ValueError:
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return _('just now')
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def _addNote(self, nick, whence, text, at=None, maximum=None):
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if at is None:
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at = time.time()
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if maximum is None:
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maximum = self.registryValue('maximum')
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try:
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notes = self._notes[nick]
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if maximum and len(notes) >= maximum:
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raise QueueIsFull()
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else:
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notes.append((at, whence, text))
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except KeyError:
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self._notes[nick] = [(at, whence, text)]
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if set('?*!@') & set(nick):
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if nick not in self.wildcards:
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self.wildcards.append(nick)
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self._flushNotes()
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def _deleteExpired(self):
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expiry = self.registryValue('messageExpiry')
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curtime = time.time()
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nickremovals=[]
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for (nick, notes) in self._notes.items():
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removals = []
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for (notetime, whence, text) in notes:
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td = datetime.timedelta(seconds=(curtime - notetime))
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if td.days > expiry:
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removals.append((notetime, whence, text))
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for note in removals:
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notes.remove(note)
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if len(notes) == 0:
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nickremovals.append(nick)
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for nick in nickremovals:
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del self._notes[nick]
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self._flushNotes()
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## Note: we call _deleteExpired from 'tell'. This means that it's possible
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## for expired notes to remain in the database for longer than the maximum,
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## if no tell's are called.
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## However, the whole point of this is to avoid crud accumulation in the
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## database, so it's fine that we only delete expired notes when we try
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## adding new ones.
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@internationalizeDocstring
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def tell(self, irc, msg, args, nicks, text):
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"""<nick1[,nick2[,...]]> <text>
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Tells each <nickX> <text> the next time <nickX> is seen. <nickX> can
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contain wildcard characters, and the first matching nick will be
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given the note.
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"""
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self._deleteExpired()
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validnicks = []
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for nick in set(nicks): # Ignore duplicates
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if ircutils.strEqual(nick, irc.nick):
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irc.error(_('I can\'t send notes to myself.'))
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return
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validnicks.append(nick)
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full_queues = []
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for validnick in validnicks:
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try:
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self._addNote(validnick, msg.prefix, text)
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except QueueIsFull:
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full_queues.append(validnick)
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if full_queues:
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irc.error(format(
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_('These recipients\' message queue are already full: %L'),
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full_queues))
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else:
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irc.replySuccess()
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tell = wrap(tell, [commalist(first('nick', 'hostmask')), 'text'])
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@internationalizeDocstring
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def notes(self, irc, msg, args, nick):
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"""[<nick>]
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If <nick> is given, replies with what notes are waiting on <nick>,
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otherwise, replies with the nicks that have notes waiting for them.
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"""
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if nick:
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if nick in self._notes:
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notes = [self._formatNote(when, whence, note)
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for (when, whence, note) in self._notes[nick]]
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irc.reply(format('%L', notes))
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else:
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irc.error(_('I have no notes for that nick.'))
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else:
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nicks = self._notes.keys()
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if nicks:
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utils.sortBy(ircutils.toLower, nicks)
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irc.reply(format(_('I currently have notes waiting for %L.'),
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nicks))
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else:
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irc.error(_('I have no notes waiting to be delivered.'))
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notes = wrap(notes, [additional('something')])
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@internationalizeDocstring
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def remove(self, irc, msg, args, nick):
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"""<nick>
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Removes the notes waiting on <nick>.
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"""
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try:
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del self._notes[nick]
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self._flushNotes()
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irc.replySuccess()
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except KeyError:
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irc.error(_('There were no notes for %r') % nick)
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remove = wrap(remove, [('checkCapability', 'admin'), 'something'])
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@internationalizeDocstring
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def undo(self, irc, msg, args, nick):
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"""<nick>
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Removes the latest note you sent to <nick>.
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"""
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if nick not in self._notes:
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irc.error(_('There are no note waiting for %s.') % nick)
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return
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self._notes[nick].reverse()
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for note in self._notes[nick]:
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if ircutils.nickFromHostmask(note[1]) == msg.nick:
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self._notes[nick].remove(note)
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if len(self._notes[nick]) == 0:
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del self._notes[nick]
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self._flushNotes()
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irc.replySuccess()
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return
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irc.error(_('There are no note from you waiting for %s.') % nick)
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undo = wrap(undo, ['something'])
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def doPrivmsg(self, irc, msg):
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if ircmsgs.isCtcp(msg) and not ircmsgs.isAction(msg):
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return
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notes = self._notes.pop(msg.nick, [])
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# Let's try wildcards.
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removals = []
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for wildcard in self.wildcards:
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if ircutils.hostmaskPatternEqual(wildcard, msg.prefix):
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removals.append(wildcard)
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notes.extend(self._notes.pop(wildcard))
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for removal in removals:
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self.wildcards.remove(removal)
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if notes:
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old_repliedto = msg.repliedTo
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irc = callbacks.SimpleProxy(irc, msg)
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private = self.registryValue('private')
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for (when, whence, note) in notes:
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s = self._formatNote(when, whence, note)
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irc.reply(s, private=private, prefixNick=not private)
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self._flushNotes()
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msg.tag('repliedTo', old_repliedto)
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def _formatNote(self, when, whence, note):
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if not self.registryValue('format.senderHostname'):
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whence = ircutils.nickFromHostmask(whence)
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return _('Sent %s: <%s> %s') % (self._timestamp(when), whence, note)
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def doJoin(self, irc, msg):
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if self.registryValue('tellOnJoin'):
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self.doPrivmsg(irc, msg)
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Later = internationalizeDocstring(Later)
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Class = Later
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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