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# Copyright (c) 2010 Google Inc. 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 Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# 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.
from webkitpy.tool.bot.queueengine import TerminateQueue
from webkitpy.tool.bot.irc_command import IRCCommand
from webkitpy.common.net.irc.ircbot import IRCBotDelegate
from webkitpy.common.thread.threadedmessagequeue import ThreadedMessageQueue
class _IRCThreadTearoff(IRCBotDelegate):
def __init__(self, name, password, message_queue, wakeup_event):
self._name = name
self._password = password
self._message_queue = message_queue
self._wakeup_event = wakeup_event
# IRCBotDelegate methods
def irc_message_received(self, nick, message):
self._message_queue.post([nick, message])
self._wakeup_event.set()
def irc_nickname(self):
return self._name
def irc_password(self):
return self._password
class Eliza(IRCCommand):
therapist = None
def __init__(self):
if not self.therapist:
import webkitpy.thirdparty.autoinstalled.eliza as eliza
Eliza.therapist = eliza.eliza()
def execute(self, nick, args, tool, sheriff):
return "%s: %s" % (nick, self.therapist.respond(" ".join(args)))
class IRCBot(object):
def __init__(self, name, tool, agent, commands):
self._name = name
self._tool = tool
self._agent = agent
self._message_queue = ThreadedMessageQueue()
self._commands = commands
def irc_delegate(self):
return _IRCThreadTearoff(self._name, self._tool.irc_password,
self._message_queue, self._tool.wakeup_event)
def _parse_command_and_args(self, request):
tokenized_request = request.strip().split(" ")
command = self._commands.get(tokenized_request[0])
args = tokenized_request[1:]
if not command:
# Give the peoples someone to talk with.
command = Eliza
args = tokenized_request
return (command, args)
def process_message(self, requester_nick, request):
command, args = self._parse_command_and_args(request)
try:
response = command().execute(requester_nick, args, self._tool, self._agent)
if response:
self._tool.irc().post(response)
except TerminateQueue:
raise
# This will catch everything else. SystemExit and KeyboardInterrupt are not subclasses of Exception, so we won't catch those.
except Exception, e:
self._tool.irc().post("Exception executing command: %s" % e)
def process_pending_messages(self):
(messages, is_running) = self._message_queue.take_all()
for message in messages:
(nick, request) = message
self.process_message(nick, request)
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