1 # Copyright (c) 2010 Google Inc. All rights reserved.

     2 #

     3 # Redistribution and use in source and binary forms, with or without

     4 # modification, are permitted provided that the following conditions are

     5 # met:

     6 #

     7 #     * Redistributions of source code must retain the above copyright

     8 # notice, this list of conditions and the following disclaimer.

     9 #     * Redistributions in binary form must reproduce the above

    10 # copyright notice, this list of conditions and the following disclaimer

    11 # in the documentation and/or other materials provided with the

    12 # distribution.

    13 #     * Neither the name of Google Inc. nor the names of its

    14 # contributors may be used to endorse or promote products derived from

    15 # this software without specific prior written permission.

    16 #

    17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    28 

    29 import webkitpy.tool.bot.irc_command as irc_command

    30 

    31 from webkitpy.common.net.irc.ircbot import IRCBotDelegate

    32 from webkitpy.common.thread.threadedmessagequeue import ThreadedMessageQueue

    33 

    34 

    35 class _IRCThreadTearoff(IRCBotDelegate):

    36     def __init__(self, password, message_queue, wakeup_event):

    37         self._password = password

    38         self._message_queue = message_queue

    39         self._wakeup_event = wakeup_event

    40 

    41     # IRCBotDelegate methods

    42 

    43     def irc_message_received(self, nick, message):

    44         self._message_queue.post([nick, message])

    45         self._wakeup_event.set()

    46 

    47     def irc_nickname(self):

    48         return "sheriffbot"

    49 

    50     def irc_password(self):

    51         return self._password

    52 

    53 

    54 class SheriffIRCBot(object):

    55     def __init__(self, tool, sheriff):

    56         self._tool = tool

    57         self._sheriff = sheriff

    58         self._message_queue = ThreadedMessageQueue()

    59 

    60     def irc_delegate(self):

    61         return _IRCThreadTearoff(self._tool.irc_password,

    62                                  self._message_queue,

    63                                  self._tool.wakeup_event)

    64 

    65     def process_message(self, message):

    66         (nick, request) = message

    67         tokenized_request = request.strip().split(" ")

    68         if not tokenized_request:

    69             return

    70         command = irc_command.commands.get(tokenized_request[0])

    71         args = tokenized_request[1:]

    72         if not command:

    73             # Give the peoples someone to talk with.

    74             command = irc_command.Eliza

    75             args = tokenized_request

    76         response = command().execute(nick, args, self._tool, self._sheriff)

    77         if response:

    78             self._tool.irc().post(response)

    79 

    80     def process_pending_messages(self):

    81         (messages, is_running) = self._message_queue.take_all()

    82         for message in messages:

    83             self.process_message(message)