text: # The MIT License (MIT)
  #
  # Copyright (c) 2021 Ilmari Lauhakangas
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  import sys
  
  from supybot.commands import *
  import supybot.irclib as irclib
  import supybot.ircmsgs as ircmsgs
  import supybot.plugins as plugins
  import supybot.callbacks as callbacks
  from supybot.i18n import PluginInternationalization, internationalizeDocstring
  _ = PluginInternationalization('QuitAlert')
  
  class QuitAlert(callbacks.Plugin):
      """This plugin alerts people when certain nicks quit."""
      noIgnore = True
      def __init__(self, irc):
          self.__parent = super(QuitAlert, self)
          self.__parent.__init__(irc)
  
      def die(self):
          self.__parent.die()
  
      def __call__(self, irc, msg):
          self.__parent.__call__(irc, msg)
  
      def _getRealIrc(self, irc):
          if isinstance(irc, irclib.Irc):
              return irc
          else:
              return irc.getRealIrc()
  
      def doQuit(self, irc, msg):
          quitters = self.registryValue('quitters')
          if not quitters:
              return
          irc = self._getRealIrc(irc)
          if msg.nick in quitters:
              alert = self.registryValue('alertMessage').format(
                  quitter = msg.nick,
                  alertees = ', '.join(self.registryValue('alertees'))
              )
              m = ircmsgs.privmsg(self.registryValue('alertChannel'), alert)
              irc.queueMsg(m)
  
  Class = QuitAlert
  
  # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
  