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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/181145">181145</a></dd>
<dt>Author</dt> <dd>ossy@webkit.org</dd>
<dt>Date</dt> <dd>2015-03-06 01:23:17 -0800 (Fri, 06 Mar 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>setup-git-clone fails due to the failure to download python-irclib-0.4.8
https://bugs.webkit.org/show_bug.cgi?id=141946
Reviewed by Ryosuke Niwa.
Check in ircbot.py and irclib.py to avoid network problems in the future.
* Scripts/webkitpy/common/net/irc/ircbot.py:
* Scripts/webkitpy/thirdparty/__init__.py:
(AutoinstallImportHook.find_module):
(AutoinstallImportHook._install_irc): Deleted.
* Scripts/webkitpy/thirdparty/__init___unittest.py:
(ThirdpartyTest.test_imports):
* Scripts/webkitpy/thirdparty/irc/__init__.py: Added.
* Scripts/webkitpy/thirdparty/irc/ircbot.py: Added.
* Scripts/webkitpy/thirdparty/irc/irclib.py: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkToolsChangeLog">trunk/Tools/ChangeLog</a></li>
<li><a href="#trunkToolsScriptswebkitpycommonnetircircbotpy">trunk/Tools/Scripts/webkitpy/common/net/irc/ircbot.py</a></li>
<li><a href="#trunkToolsScriptswebkitpythirdparty__init__py">trunk/Tools/Scripts/webkitpy/thirdparty/__init__.py</a></li>
<li><a href="#trunkToolsScriptswebkitpythirdparty__init___unittestpy">trunk/Tools/Scripts/webkitpy/thirdparty/__init___unittest.py</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li>trunk/Tools/Scripts/webkitpy/thirdparty/irc/</li>
<li><a href="#trunkToolsScriptswebkitpythirdpartyirc__init__py">trunk/Tools/Scripts/webkitpy/thirdparty/irc/__init__.py</a></li>
<li><a href="#trunkToolsScriptswebkitpythirdpartyircircbotpy">trunk/Tools/Scripts/webkitpy/thirdparty/irc/ircbot.py</a></li>
<li><a href="#trunkToolsScriptswebkitpythirdpartyircirclibpy">trunk/Tools/Scripts/webkitpy/thirdparty/irc/irclib.py</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkToolsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Tools/ChangeLog (181144 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/ChangeLog 2015-03-06 09:20:52 UTC (rev 181144)
+++ trunk/Tools/ChangeLog 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2015-03-06 Csaba Osztrogonác <ossy@webkit.org>
+
+ setup-git-clone fails due to the failure to download python-irclib-0.4.8
+ https://bugs.webkit.org/show_bug.cgi?id=141946
+
+ Reviewed by Ryosuke Niwa.
+
+ Check in ircbot.py and irclib.py to avoid network problems in the future.
+
+ * Scripts/webkitpy/common/net/irc/ircbot.py:
+ * Scripts/webkitpy/thirdparty/__init__.py:
+ (AutoinstallImportHook.find_module):
+ (AutoinstallImportHook._install_irc): Deleted.
+ * Scripts/webkitpy/thirdparty/__init___unittest.py:
+ (ThirdpartyTest.test_imports):
+ * Scripts/webkitpy/thirdparty/irc/__init__.py: Added.
+ * Scripts/webkitpy/thirdparty/irc/ircbot.py: Added.
+ * Scripts/webkitpy/thirdparty/irc/irclib.py: Added.
+
</ins><span class="cx"> 2015-03-06 David Kilzer <ddkilzer@apple.com>
</span><span class="cx">
</span><span class="cx"> Dashboard: Perf bot status is missing for Apple {Mavericks,Yosemite} Release builds
</span></span></pre></div>
<a id="trunkToolsScriptswebkitpycommonnetircircbotpy"></a>
<div class="modfile"><h4>Modified: trunk/Tools/Scripts/webkitpy/common/net/irc/ircbot.py (181144 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/common/net/irc/ircbot.py 2015-03-06 09:20:52 UTC (rev 181144)
+++ trunk/Tools/Scripts/webkitpy/common/net/irc/ircbot.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -29,8 +29,8 @@
</span><span class="cx"> from webkitpy.common.config import irc as config_irc
</span><span class="cx">
</span><span class="cx"> from webkitpy.common.thread.messagepump import MessagePump, MessagePumpDelegate
</span><del>-from webkitpy.thirdparty.autoinstalled.irc import ircbot
-from webkitpy.thirdparty.autoinstalled.irc import irclib
</del><ins>+from webkitpy.thirdparty.irc import ircbot
+from webkitpy.thirdparty.irc import irclib
</ins><span class="cx">
</span><span class="cx">
</span><span class="cx"> class IRCBotDelegate(object):
</span></span></pre></div>
<a id="trunkToolsScriptswebkitpythirdparty__init__py"></a>
<div class="modfile"><h4>Modified: trunk/Tools/Scripts/webkitpy/thirdparty/__init__.py (181144 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/thirdparty/__init__.py 2015-03-06 09:20:52 UTC (rev 181144)
+++ trunk/Tools/Scripts/webkitpy/thirdparty/__init__.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -87,8 +87,6 @@
</span><span class="cx"> self._install_coverage()
</span><span class="cx"> elif '.eliza' in fullname:
</span><span class="cx"> self._install_eliza()
</span><del>- elif '.irc' in fullname:
- self._install_irc()
</del><span class="cx"> elif '.buildbot' in fullname:
</span><span class="cx"> self._install_buildbot()
</span><span class="cx"> elif '.keyring' in fullname:
</span><span class="lines">@@ -150,17 +148,6 @@
</span><span class="cx"> def _install_eliza(self):
</span><span class="cx"> self._install(url="http://www.adambarth.com/webkit/eliza", target_name="eliza.py")
</span><span class="cx">
</span><del>- def _install_irc(self):
- # Since irclib and ircbot are two top-level packages, we need to import
- # them separately. We group them into an irc package for better
- # organization purposes.
- irc_dir = self._fs.join(_AUTOINSTALLED_DIR, "irc")
- installer = AutoInstaller(target_dir=irc_dir)
- installer.install(url="http://downloads.sourceforge.net/project/python-irclib/python-irclib/0.4.8/python-irclib-0.4.8.tar.gz",
- url_subpath="python-irclib-0.4.8/irclib.py")
- installer.install(url="http://downloads.sourceforge.net/project/python-irclib/python-irclib/0.4.8/python-irclib-0.4.8.tar.gz",
- url_subpath="python-irclib-0.4.8/ircbot.py")
-
</del><span class="cx"> def _install(self, url, url_subpath=None, target_name=None):
</span><span class="cx"> installer = AutoInstaller(target_dir=_AUTOINSTALLED_DIR)
</span><span class="cx"> installer.install(url=url, url_subpath=url_subpath, target_name=target_name)
</span></span></pre></div>
<a id="trunkToolsScriptswebkitpythirdparty__init___unittestpy"></a>
<div class="modfile"><h4>Modified: trunk/Tools/Scripts/webkitpy/thirdparty/__init___unittest.py (181144 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/thirdparty/__init___unittest.py 2015-03-06 09:20:52 UTC (rev 181144)
+++ trunk/Tools/Scripts/webkitpy/thirdparty/__init___unittest.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -61,8 +61,6 @@
</span><span class="cx"> import webkitpy.thirdparty.autoinstalled.buildbot
</span><span class="cx"> import webkitpy.thirdparty.autoinstalled.coverage
</span><span class="cx"> import webkitpy.thirdparty.autoinstalled.eliza
</span><del>- import webkitpy.thirdparty.autoinstalled.irc.ircbot
- import webkitpy.thirdparty.autoinstalled.irc.irclib
</del><span class="cx"> import webkitpy.thirdparty.autoinstalled.mechanize
</span><span class="cx"> import webkitpy.thirdparty.autoinstalled.pylint
</span><span class="cx"> import webkitpy.thirdparty.autoinstalled.pep8
</span></span></pre></div>
<a id="trunkToolsScriptswebkitpythirdpartyirc__init__py"></a>
<div class="addfile"><h4>Added: trunk/Tools/Scripts/webkitpy/thirdparty/irc/__init__.py (0 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/thirdparty/irc/__init__.py (rev 0)
+++ trunk/Tools/Scripts/webkitpy/thirdparty/irc/__init__.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+# Required for Python to search this directory for module files
</ins></span></pre></div>
<a id="trunkToolsScriptswebkitpythirdpartyircircbotpy"></a>
<div class="addfile"><h4>Added: trunk/Tools/Scripts/webkitpy/thirdparty/irc/ircbot.py (0 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/thirdparty/irc/ircbot.py (rev 0)
+++ trunk/Tools/Scripts/webkitpy/thirdparty/irc/ircbot.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -0,0 +1,438 @@
</span><ins>+# Copyright (C) 1999--2002 Joel Rosdahl
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Joel Rosdahl <joel@rosdahl.net>
+#
+# $Id: ircbot.py,v 1.23 2008/09/11 07:38:30 keltus Exp $
+
+"""ircbot -- Simple IRC bot library.
+
+This module contains a single-server IRC bot class that can be used to
+write simpler bots.
+"""
+
+import sys
+from UserDict import UserDict
+
+from irclib import SimpleIRCClient
+from irclib import nm_to_n, irc_lower, all_events
+from irclib import parse_channel_modes, is_channel
+from irclib import ServerConnectionError
+
+class SingleServerIRCBot(SimpleIRCClient):
+ """A single-server IRC bot class.
+
+ The bot tries to reconnect if it is disconnected.
+
+ The bot keeps track of the channels it has joined, the other
+ clients that are present in the channels and which of those that
+ have operator or voice modes. The "database" is kept in the
+ self.channels attribute, which is an IRCDict of Channels.
+ """
+ def __init__(self, server_list, nickname, realname, reconnection_interval=60):
+ """Constructor for SingleServerIRCBot objects.
+
+ Arguments:
+
+ server_list -- A list of tuples (server, port) that
+ defines which servers the bot should try to
+ connect to.
+
+ nickname -- The bot's nickname.
+
+ realname -- The bot's realname.
+
+ reconnection_interval -- How long the bot should wait
+ before trying to reconnect.
+
+ dcc_connections -- A list of initiated/accepted DCC
+ connections.
+ """
+
+ SimpleIRCClient.__init__(self)
+ self.channels = IRCDict()
+ self.server_list = server_list
+ if not reconnection_interval or reconnection_interval < 0:
+ reconnection_interval = 2**31
+ self.reconnection_interval = reconnection_interval
+
+ self._nickname = nickname
+ self._realname = realname
+ for i in ["disconnect", "join", "kick", "mode",
+ "namreply", "nick", "part", "quit"]:
+ self.connection.add_global_handler(i,
+ getattr(self, "_on_" + i),
+ -10)
+ def _connected_checker(self):
+ """[Internal]"""
+ if not self.connection.is_connected():
+ self.connection.execute_delayed(self.reconnection_interval,
+ self._connected_checker)
+ self.jump_server()
+
+ def _connect(self):
+ """[Internal]"""
+ password = None
+ if len(self.server_list[0]) > 2:
+ password = self.server_list[0][2]
+ try:
+ self.connect(self.server_list[0][0],
+ self.server_list[0][1],
+ self._nickname,
+ password,
+ ircname=self._realname)
+ except ServerConnectionError:
+ pass
+
+ def _on_disconnect(self, c, e):
+ """[Internal]"""
+ self.channels = IRCDict()
+ self.connection.execute_delayed(self.reconnection_interval,
+ self._connected_checker)
+
+ def _on_join(self, c, e):
+ """[Internal]"""
+ ch = e.target()
+ nick = nm_to_n(e.source())
+ if nick == c.get_nickname():
+ self.channels[ch] = Channel()
+ self.channels[ch].add_user(nick)
+
+ def _on_kick(self, c, e):
+ """[Internal]"""
+ nick = e.arguments()[0]
+ channel = e.target()
+
+ if nick == c.get_nickname():
+ del self.channels[channel]
+ else:
+ self.channels[channel].remove_user(nick)
+
+ def _on_mode(self, c, e):
+ """[Internal]"""
+ modes = parse_channel_modes(" ".join(e.arguments()))
+ t = e.target()
+ if is_channel(t):
+ ch = self.channels[t]
+ for mode in modes:
+ if mode[0] == "+":
+ f = ch.set_mode
+ else:
+ f = ch.clear_mode
+ f(mode[1], mode[2])
+ else:
+ # Mode on self... XXX
+ pass
+
+ def _on_namreply(self, c, e):
+ """[Internal]"""
+
+ # e.arguments()[0] == "@" for secret channels,
+ # "*" for private channels,
+ # "=" for others (public channels)
+ # e.arguments()[1] == channel
+ # e.arguments()[2] == nick list
+
+ ch = e.arguments()[1]
+ for nick in e.arguments()[2].split():
+ if nick[0] == "@":
+ nick = nick[1:]
+ self.channels[ch].set_mode("o", nick)
+ elif nick[0] == "+":
+ nick = nick[1:]
+ self.channels[ch].set_mode("v", nick)
+ self.channels[ch].add_user(nick)
+
+ def _on_nick(self, c, e):
+ """[Internal]"""
+ before = nm_to_n(e.source())
+ after = e.target()
+ for ch in self.channels.values():
+ if ch.has_user(before):
+ ch.change_nick(before, after)
+
+ def _on_part(self, c, e):
+ """[Internal]"""
+ nick = nm_to_n(e.source())
+ channel = e.target()
+
+ if nick == c.get_nickname():
+ del self.channels[channel]
+ else:
+ self.channels[channel].remove_user(nick)
+
+ def _on_quit(self, c, e):
+ """[Internal]"""
+ nick = nm_to_n(e.source())
+ for ch in self.channels.values():
+ if ch.has_user(nick):
+ ch.remove_user(nick)
+
+ def die(self, msg="Bye, cruel world!"):
+ """Let the bot die.
+
+ Arguments:
+
+ msg -- Quit message.
+ """
+
+ self.connection.disconnect(msg)
+ sys.exit(0)
+
+ def disconnect(self, msg="I'll be back!"):
+ """Disconnect the bot.
+
+ The bot will try to reconnect after a while.
+
+ Arguments:
+
+ msg -- Quit message.
+ """
+ self.connection.disconnect(msg)
+
+ def get_version(self):
+ """Returns the bot version.
+
+ Used when answering a CTCP VERSION request.
+ """
+ return "ircbot.py by Joel Rosdahl <joel@rosdahl.net>"
+
+ def jump_server(self, msg="Changing servers"):
+ """Connect to a new server, possibly disconnecting from the current.
+
+ The bot will skip to next server in the server_list each time
+ jump_server is called.
+ """
+ if self.connection.is_connected():
+ self.connection.disconnect(msg)
+
+ self.server_list.append(self.server_list.pop(0))
+ self._connect()
+
+ def on_ctcp(self, c, e):
+ """Default handler for ctcp events.
+
+ Replies to VERSION and PING requests and relays DCC requests
+ to the on_dccchat method.
+ """
+ if e.arguments()[0] == "VERSION":
+ c.ctcp_reply(nm_to_n(e.source()),
+ "VERSION " + self.get_version())
+ elif e.arguments()[0] == "PING":
+ if len(e.arguments()) > 1:
+ c.ctcp_reply(nm_to_n(e.source()),
+ "PING " + e.arguments()[1])
+ elif e.arguments()[0] == "DCC" and e.arguments()[1].split(" ", 1)[0] == "CHAT":
+ self.on_dccchat(c, e)
+
+ def on_dccchat(self, c, e):
+ pass
+
+ def start(self):
+ """Start the bot."""
+ self._connect()
+ SimpleIRCClient.start(self)
+
+
+class IRCDict:
+ """A dictionary suitable for storing IRC-related things.
+
+ Dictionary keys a and b are considered equal if and only if
+ irc_lower(a) == irc_lower(b)
+
+ Otherwise, it should behave exactly as a normal dictionary.
+ """
+
+ def __init__(self, dict=None):
+ self.data = {}
+ self.canon_keys = {} # Canonical keys
+ if dict is not None:
+ self.update(dict)
+ def __repr__(self):
+ return repr(self.data)
+ def __cmp__(self, dict):
+ if isinstance(dict, IRCDict):
+ return cmp(self.data, dict.data)
+ else:
+ return cmp(self.data, dict)
+ def __len__(self):
+ return len(self.data)
+ def __getitem__(self, key):
+ return self.data[self.canon_keys[irc_lower(key)]]
+ def __setitem__(self, key, item):
+ if key in self:
+ del self[key]
+ self.data[key] = item
+ self.canon_keys[irc_lower(key)] = key
+ def __delitem__(self, key):
+ ck = irc_lower(key)
+ del self.data[self.canon_keys[ck]]
+ del self.canon_keys[ck]
+ def __iter__(self):
+ return iter(self.data)
+ def __contains__(self, key):
+ return self.has_key(key)
+ def clear(self):
+ self.data.clear()
+ self.canon_keys.clear()
+ def copy(self):
+ if self.__class__ is UserDict:
+ return UserDict(self.data)
+ import copy
+ return copy.copy(self)
+ def keys(self):
+ return self.data.keys()
+ def items(self):
+ return self.data.items()
+ def values(self):
+ return self.data.values()
+ def has_key(self, key):
+ return irc_lower(key) in self.canon_keys
+ def update(self, dict):
+ for k, v in dict.items():
+ self.data[k] = v
+ def get(self, key, failobj=None):
+ return self.data.get(key, failobj)
+
+
+class Channel:
+ """A class for keeping information about an IRC channel.
+
+ This class can be improved a lot.
+ """
+
+ def __init__(self):
+ self.userdict = IRCDict()
+ self.operdict = IRCDict()
+ self.voiceddict = IRCDict()
+ self.modes = {}
+
+ def users(self):
+ """Returns an unsorted list of the channel's users."""
+ return self.userdict.keys()
+
+ def opers(self):
+ """Returns an unsorted list of the channel's operators."""
+ return self.operdict.keys()
+
+ def voiced(self):
+ """Returns an unsorted list of the persons that have voice
+ mode set in the channel."""
+ return self.voiceddict.keys()
+
+ def has_user(self, nick):
+ """Check whether the channel has a user."""
+ return nick in self.userdict
+
+ def is_oper(self, nick):
+ """Check whether a user has operator status in the channel."""
+ return nick in self.operdict
+
+ def is_voiced(self, nick):
+ """Check whether a user has voice mode set in the channel."""
+ return nick in self.voiceddict
+
+ def add_user(self, nick):
+ self.userdict[nick] = 1
+
+ def remove_user(self, nick):
+ for d in self.userdict, self.operdict, self.voiceddict:
+ if nick in d:
+ del d[nick]
+
+ def change_nick(self, before, after):
+ self.userdict[after] = 1
+ del self.userdict[before]
+ if before in self.operdict:
+ self.operdict[after] = 1
+ del self.operdict[before]
+ if before in self.voiceddict:
+ self.voiceddict[after] = 1
+ del self.voiceddict[before]
+
+ def set_mode(self, mode, value=None):
+ """Set mode on the channel.
+
+ Arguments:
+
+ mode -- The mode (a single-character string).
+
+ value -- Value
+ """
+ if mode == "o":
+ self.operdict[value] = 1
+ elif mode == "v":
+ self.voiceddict[value] = 1
+ else:
+ self.modes[mode] = value
+
+ def clear_mode(self, mode, value=None):
+ """Clear mode on the channel.
+
+ Arguments:
+
+ mode -- The mode (a single-character string).
+
+ value -- Value
+ """
+ try:
+ if mode == "o":
+ del self.operdict[value]
+ elif mode == "v":
+ del self.voiceddict[value]
+ else:
+ del self.modes[mode]
+ except KeyError:
+ pass
+
+ def has_mode(self, mode):
+ return mode in self.modes
+
+ def is_moderated(self):
+ return self.has_mode("m")
+
+ def is_secret(self):
+ return self.has_mode("s")
+
+ def is_protected(self):
+ return self.has_mode("p")
+
+ def has_topic_lock(self):
+ return self.has_mode("t")
+
+ def is_invite_only(self):
+ return self.has_mode("i")
+
+ def has_allow_external_messages(self):
+ return self.has_mode("n")
+
+ def has_limit(self):
+ return self.has_mode("l")
+
+ def limit(self):
+ if self.has_limit():
+ return self.modes[l]
+ else:
+ return None
+
+ def has_key(self):
+ return self.has_mode("k")
+
+ def key(self):
+ if self.has_key():
+ return self.modes["k"]
+ else:
+ return None
</ins></span></pre></div>
<a id="trunkToolsScriptswebkitpythirdpartyircirclibpy"></a>
<div class="addfile"><h4>Added: trunk/Tools/Scripts/webkitpy/thirdparty/irc/irclib.py (0 => 181145)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/Scripts/webkitpy/thirdparty/irc/irclib.py (rev 0)
+++ trunk/Tools/Scripts/webkitpy/thirdparty/irc/irclib.py 2015-03-06 09:23:17 UTC (rev 181145)
</span><span class="lines">@@ -0,0 +1,1560 @@
</span><ins>+# Copyright (C) 1999--2002 Joel Rosdahl
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# keltus <keltus@users.sourceforge.net>
+#
+# $Id: irclib.py,v 1.47 2008/09/25 22:00:59 keltus Exp $
+
+"""irclib -- Internet Relay Chat (IRC) protocol client library.
+
+This library is intended to encapsulate the IRC protocol at a quite
+low level. It provides an event-driven IRC client framework. It has
+a fairly thorough support for the basic IRC protocol, CTCP, DCC chat,
+but DCC file transfers is not yet supported.
+
+In order to understand how to make an IRC client, I'm afraid you more
+or less must understand the IRC specifications. They are available
+here: [IRC specifications].
+
+The main features of the IRC client framework are:
+
+ * Abstraction of the IRC protocol.
+ * Handles multiple simultaneous IRC server connections.
+ * Handles server PONGing transparently.
+ * Messages to the IRC server are done by calling methods on an IRC
+ connection object.
+ * Messages from an IRC server triggers events, which can be caught
+ by event handlers.
+ * Reading from and writing to IRC server sockets are normally done
+ by an internal select() loop, but the select()ing may be done by
+ an external main loop.
+ * Functions can be registered to execute at specified times by the
+ event-loop.
+ * Decodes CTCP tagging correctly (hopefully); I haven't seen any
+ other IRC client implementation that handles the CTCP
+ specification subtilties.
+ * A kind of simple, single-server, object-oriented IRC client class
+ that dispatches events to instance methods is included.
+
+Current limitations:
+
+ * The IRC protocol shines through the abstraction a bit too much.
+ * Data is not written asynchronously to the server, i.e. the write()
+ may block if the TCP buffers are stuffed.
+ * There are no support for DCC file transfers.
+ * The author haven't even read RFC 2810, 2811, 2812 and 2813.
+ * Like most projects, documentation is lacking...
+
+.. [IRC specifications] http://www.irchelp.org/irchelp/rfc/
+"""
+
+import bisect
+import re
+import select
+import socket
+import string
+import sys
+import time
+import types
+
+VERSION = 0, 4, 8
+DEBUG = 0
+
+# TODO
+# ----
+# (maybe) thread safety
+# (maybe) color parser convenience functions
+# documentation (including all event types)
+# (maybe) add awareness of different types of ircds
+# send data asynchronously to the server (and DCC connections)
+# (maybe) automatically close unused, passive DCC connections after a while
+
+# NOTES
+# -----
+# connection.quit() only sends QUIT to the server.
+# ERROR from the server triggers the error event and the disconnect event.
+# dropping of the connection triggers the disconnect event.
+
+class IRCError(Exception):
+ """Represents an IRC exception."""
+ pass
+
+
+class IRC:
+ """Class that handles one or several IRC server connections.
+
+ When an IRC object has been instantiated, it can be used to create
+ Connection objects that represent the IRC connections. The
+ responsibility of the IRC object is to provide an event-driven
+ framework for the connections and to keep the connections alive.
+ It runs a select loop to poll each connection's TCP socket and
+ hands over the sockets with incoming data for processing by the
+ corresponding connection.
+
+ The methods of most interest for an IRC client writer are server,
+ add_global_handler, remove_global_handler, execute_at,
+ execute_delayed, process_once and process_forever.
+
+ Here is an example:
+
+ irc = irclib.IRC()
+ server = irc.server()
+ server.connect(\"irc.some.where\", 6667, \"my_nickname\")
+ server.privmsg(\"a_nickname\", \"Hi there!\")
+ irc.process_forever()
+
+ This will connect to the IRC server irc.some.where on port 6667
+ using the nickname my_nickname and send the message \"Hi there!\"
+ to the nickname a_nickname.
+ """
+
+ def __init__(self, fn_to_add_socket=None,
+ fn_to_remove_socket=None,
+ fn_to_add_timeout=None):
+ """Constructor for IRC objects.
+
+ Optional arguments are fn_to_add_socket, fn_to_remove_socket
+ and fn_to_add_timeout. The first two specify functions that
+ will be called with a socket object as argument when the IRC
+ object wants to be notified (or stop being notified) of data
+ coming on a new socket. When new data arrives, the method
+ process_data should be called. Similarly, fn_to_add_timeout
+ is called with a number of seconds (a floating point number)
+ as first argument when the IRC object wants to receive a
+ notification (by calling the process_timeout method). So, if
+ e.g. the argument is 42.17, the object wants the
+ process_timeout method to be called after 42 seconds and 170
+ milliseconds.
+
+ The three arguments mainly exist to be able to use an external
+ main loop (for example Tkinter's or PyGTK's main app loop)
+ instead of calling the process_forever method.
+
+ An alternative is to just call ServerConnection.process_once()
+ once in a while.
+ """
+
+ if fn_to_add_socket and fn_to_remove_socket:
+ self.fn_to_add_socket = fn_to_add_socket
+ self.fn_to_remove_socket = fn_to_remove_socket
+ else:
+ self.fn_to_add_socket = None
+ self.fn_to_remove_socket = None
+
+ self.fn_to_add_timeout = fn_to_add_timeout
+ self.connections = []
+ self.handlers = {}
+ self.delayed_commands = [] # list of tuples in the format (time, function, arguments)
+
+ self.add_global_handler("ping", _ping_ponger, -42)
+
+ def server(self):
+ """Creates and returns a ServerConnection object."""
+
+ c = ServerConnection(self)
+ self.connections.append(c)
+ return c
+
+ def process_data(self, sockets):
+ """Called when there is more data to read on connection sockets.
+
+ Arguments:
+
+ sockets -- A list of socket objects.
+
+ See documentation for IRC.__init__.
+ """
+ for s in sockets:
+ for c in self.connections:
+ if s == c._get_socket():
+ c.process_data()
+
+ def process_timeout(self):
+ """Called when a timeout notification is due.
+
+ See documentation for IRC.__init__.
+ """
+ t = time.time()
+ while self.delayed_commands:
+ if t >= self.delayed_commands[0][0]:
+ self.delayed_commands[0][1](*self.delayed_commands[0][2])
+ del self.delayed_commands[0]
+ else:
+ break
+
+ def process_once(self, timeout=0):
+ """Process data from connections once.
+
+ Arguments:
+
+ timeout -- How long the select() call should wait if no
+ data is available.
+
+ This method should be called periodically to check and process
+ incoming data, if there are any. If that seems boring, look
+ at the process_forever method.
+ """
+ sockets = map(lambda x: x._get_socket(), self.connections)
+ sockets = filter(lambda x: x != None, sockets)
+ if sockets:
+ (i, o, e) = select.select(sockets, [], [], timeout)
+ self.process_data(i)
+ else:
+ time.sleep(timeout)
+ self.process_timeout()
+
+ def process_forever(self, timeout=0.2):
+ """Run an infinite loop, processing data from connections.
+
+ This method repeatedly calls process_once.
+
+ Arguments:
+
+ timeout -- Parameter to pass to process_once.
+ """
+ while 1:
+ self.process_once(timeout)
+
+ def disconnect_all(self, message=""):
+ """Disconnects all connections."""
+ for c in self.connections:
+ c.disconnect(message)
+
+ def add_global_handler(self, event, handler, priority=0):
+ """Adds a global handler function for a specific event type.
+
+ Arguments:
+
+ event -- Event type (a string). Check the values of the
+ numeric_events dictionary in irclib.py for possible event
+ types.
+
+ handler -- Callback function.
+
+ priority -- A number (the lower number, the higher priority).
+
+ The handler function is called whenever the specified event is
+ triggered in any of the connections. See documentation for
+ the Event class.
+
+ The handler functions are called in priority order (lowest
+ number is highest priority). If a handler function returns
+ \"NO MORE\", no more handlers will be called.
+ """
+ if not event in self.handlers:
+ self.handlers[event] = []
+ bisect.insort(self.handlers[event], ((priority, handler)))
+
+ def remove_global_handler(self, event, handler):
+ """Removes a global handler function.
+
+ Arguments:
+
+ event -- Event type (a string).
+
+ handler -- Callback function.
+
+ Returns 1 on success, otherwise 0.
+ """
+ if not event in self.handlers:
+ return 0
+ for h in self.handlers[event]:
+ if handler == h[1]:
+ self.handlers[event].remove(h)
+ return 1
+
+ def execute_at(self, at, function, arguments=()):
+ """Execute a function at a specified time.
+
+ Arguments:
+
+ at -- Execute at this time (standard \"time_t\" time).
+
+ function -- Function to call.
+
+ arguments -- Arguments to give the function.
+ """
+ self.execute_delayed(at-time.time(), function, arguments)
+
+ def execute_delayed(self, delay, function, arguments=()):
+ """Execute a function after a specified time.
+
+ Arguments:
+
+ delay -- How many seconds to wait.
+
+ function -- Function to call.
+
+ arguments -- Arguments to give the function.
+ """
+ bisect.insort(self.delayed_commands, (delay+time.time(), function, arguments))
+ if self.fn_to_add_timeout:
+ self.fn_to_add_timeout(delay)
+
+ def dcc(self, dcctype="chat"):
+ """Creates and returns a DCCConnection object.
+
+ Arguments:
+
+ dcctype -- "chat" for DCC CHAT connections or "raw" for
+ DCC SEND (or other DCC types). If "chat",
+ incoming data will be split in newline-separated
+ chunks. If "raw", incoming data is not touched.
+ """
+ c = DCCConnection(self, dcctype)
+ self.connections.append(c)
+ return c
+
+ def _handle_event(self, connection, event):
+ """[Internal]"""
+ h = self.handlers
+ for handler in h.get("all_events", []) + h.get(event.eventtype(), []):
+ if handler[1](connection, event) == "NO MORE":
+ return
+
+ def _remove_connection(self, connection):
+ """[Internal]"""
+ self.connections.remove(connection)
+ if self.fn_to_remove_socket:
+ self.fn_to_remove_socket(connection._get_socket())
+
+_rfc_1459_command_regexp = re.compile("^(:(?P<prefix>[^ ]+) +)?(?P<command>[^ ]+)( *(?P<argument> .+))?")
+
+class Connection:
+ """Base class for IRC connections.
+
+ Must be overridden.
+ """
+ def __init__(self, irclibobj):
+ self.irclibobj = irclibobj
+
+ def _get_socket():
+ raise IRCError, "Not overridden"
+
+ ##############################
+ ### Convenience wrappers.
+
+ def execute_at(self, at, function, arguments=()):
+ self.irclibobj.execute_at(at, function, arguments)
+
+ def execute_delayed(self, delay, function, arguments=()):
+ self.irclibobj.execute_delayed(delay, function, arguments)
+
+
+class ServerConnectionError(IRCError):
+ pass
+
+class ServerNotConnectedError(ServerConnectionError):
+ pass
+
+
+# Huh!? Crrrrazy EFNet doesn't follow the RFC: their ircd seems to
+# use \n as message separator! :P
+_linesep_regexp = re.compile("\r?\n")
+
+class ServerConnection(Connection):
+ """This class represents an IRC server connection.
+
+ ServerConnection objects are instantiated by calling the server
+ method on an IRC object.
+ """
+
+ def __init__(self, irclibobj):
+ Connection.__init__(self, irclibobj)
+ self.connected = 0 # Not connected yet.
+ self.socket = None
+ self.ssl = None
+
+ def connect(self, server, port, nickname, password=None, username=None,
+ ircname=None, localaddress="", localport=0, ssl=False, ipv6=False):
+ """Connect/reconnect to a server.
+
+ Arguments:
+
+ server -- Server name.
+
+ port -- Port number.
+
+ nickname -- The nickname.
+
+ password -- Password (if any).
+
+ username -- The username.
+
+ ircname -- The IRC name ("realname").
+
+ localaddress -- Bind the connection to a specific local IP address.
+
+ localport -- Bind the connection to a specific local port.
+
+ ssl -- Enable support for ssl.
+
+ ipv6 -- Enable support for ipv6.
+
+ This function can be called to reconnect a closed connection.
+
+ Returns the ServerConnection object.
+ """
+ if self.connected:
+ self.disconnect("Changing servers")
+
+ self.previous_buffer = ""
+ self.handlers = {}
+ self.real_server_name = ""
+ self.real_nickname = nickname
+ self.server = server
+ self.port = port
+ self.nickname = nickname
+ self.username = username or nickname
+ self.ircname = ircname or nickname
+ self.password = password
+ self.localaddress = localaddress
+ self.localport = localport
+ self.localhost = socket.gethostname()
+ if ipv6:
+ self.socket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+ else:
+ self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ try:
+ self.socket.bind((self.localaddress, self.localport))
+ self.socket.connect((self.server, self.port))
+ if ssl:
+ self.ssl = socket.ssl(self.socket)
+ except socket.error, x:
+ self.socket.close()
+ self.socket = None
+ raise ServerConnectionError, "Couldn't connect to socket: %s" % x
+ self.connected = 1
+ if self.irclibobj.fn_to_add_socket:
+ self.irclibobj.fn_to_add_socket(self.socket)
+
+ # Log on...
+ if self.password:
+ self.pass_(self.password)
+ self.nick(self.nickname)
+ self.user(self.username, self.ircname)
+ return self
+
+ def close(self):
+ """Close the connection.
+
+ This method closes the connection permanently; after it has
+ been called, the object is unusable.
+ """
+
+ self.disconnect("Closing object")
+ self.irclibobj._remove_connection(self)
+
+ def _get_socket(self):
+ """[Internal]"""
+ return self.socket
+
+ def get_server_name(self):
+ """Get the (real) server name.
+
+ This method returns the (real) server name, or, more
+ specifically, what the server calls itself.
+ """
+
+ if self.real_server_name:
+ return self.real_server_name
+ else:
+ return ""
+
+ def get_nickname(self):
+ """Get the (real) nick name.
+
+ This method returns the (real) nickname. The library keeps
+ track of nick changes, so it might not be the nick name that
+ was passed to the connect() method. """
+
+ return self.real_nickname
+
+ def process_data(self):
+ """[Internal]"""
+
+ try:
+ if self.ssl:
+ new_data = self.ssl.read(2**14)
+ else:
+ new_data = self.socket.recv(2**14)
+ except socket.error, x:
+ # The server hung up.
+ self.disconnect("Connection reset by peer")
+ return
+ if not new_data:
+ # Read nothing: connection must be down.
+ self.disconnect("Connection reset by peer")
+ return
+
+ lines = _linesep_regexp.split(self.previous_buffer + new_data)
+
+ # Save the last, unfinished line.
+ self.previous_buffer = lines.pop()
+
+ for line in lines:
+ if DEBUG:
+ print "FROM SERVER:", line
+
+ if not line:
+ continue
+
+ prefix = None
+ command = None
+ arguments = None
+ self._handle_event(Event("all_raw_messages",
+ self.get_server_name(),
+ None,
+ [line]))
+
+ m = _rfc_1459_command_regexp.match(line)
+ if m.group("prefix"):
+ prefix = m.group("prefix")
+ if not self.real_server_name:
+ self.real_server_name = prefix
+
+ if m.group("command"):
+ command = m.group("command").lower()
+
+ if m.group("argument"):
+ a = m.group("argument").split(" :", 1)
+ arguments = a[0].split()
+ if len(a) == 2:
+ arguments.append(a[1])
+
+ # Translate numerics into more readable strings.
+ if command in numeric_events:
+ command = numeric_events[command]
+
+ if command == "nick":
+ if nm_to_n(prefix) == self.real_nickname:
+ self.real_nickname = arguments[0]
+ elif command == "welcome":
+ # Record the nickname in case the client changed nick
+ # in a nicknameinuse callback.
+ self.real_nickname = arguments[0]
+
+ if command in ["privmsg", "notice"]:
+ target, message = arguments[0], arguments[1]
+ messages = _ctcp_dequote(message)
+
+ if command == "privmsg":
+ if is_channel(target):
+ command = "pubmsg"
+ else:
+ if is_channel(target):
+ command = "pubnotice"
+ else:
+ command = "privnotice"
+
+ for m in messages:
+ if type(m) is types.TupleType:
+ if command in ["privmsg", "pubmsg"]:
+ command = "ctcp"
+ else:
+ command = "ctcpreply"
+
+ m = list(m)
+ if DEBUG:
+ print "command: %s, source: %s, target: %s, arguments: %s" % (
+ command, prefix, target, m)
+ self._handle_event(Event(command, prefix, target, m))
+ if command == "ctcp" and m[0] == "ACTION":
+ self._handle_event(Event("action", prefix, target, m[1:]))
+ else:
+ if DEBUG:
+ print "command: %s, source: %s, target: %s, arguments: %s" % (
+ command, prefix, target, [m])
+ self._handle_event(Event(command, prefix, target, [m]))
+ else:
+ target = None
+
+ if command == "quit":
+ arguments = [arguments[0]]
+ elif command == "ping":
+ target = arguments[0]
+ else:
+ target = arguments[0]
+ arguments = arguments[1:]
+
+ if command == "mode":
+ if not is_channel(target):
+ command = "umode"
+
+ if DEBUG:
+ print "command: %s, source: %s, target: %s, arguments: %s" % (
+ command, prefix, target, arguments)
+ self._handle_event(Event(command, prefix, target, arguments))
+
+ def _handle_event(self, event):
+ """[Internal]"""
+ self.irclibobj._handle_event(self, event)
+ if event.eventtype() in self.handlers:
+ for fn in self.handlers[event.eventtype()]:
+ fn(self, event)
+
+ def is_connected(self):
+ """Return connection status.
+
+ Returns true if connected, otherwise false.
+ """
+ return self.connected
+
+ def add_global_handler(self, *args):
+ """Add global handler.
+
+ See documentation for IRC.add_global_handler.
+ """
+ self.irclibobj.add_global_handler(*args)
+
+ def remove_global_handler(self, *args):
+ """Remove global handler.
+
+ See documentation for IRC.remove_global_handler.
+ """
+ self.irclibobj.remove_global_handler(*args)
+
+ def action(self, target, action):
+ """Send a CTCP ACTION command."""
+ self.ctcp("ACTION", target, action)
+
+ def admin(self, server=""):
+ """Send an ADMIN command."""
+ self.send_raw(" ".join(["ADMIN", server]).strip())
+
+ def ctcp(self, ctcptype, target, parameter=""):
+ """Send a CTCP command."""
+ ctcptype = ctcptype.upper()
+ self.privmsg(target, "\001%s%s\001" % (ctcptype, parameter and (" " + parameter) or ""))
+
+ def ctcp_reply(self, target, parameter):
+ """Send a CTCP REPLY command."""
+ self.notice(target, "\001%s\001" % parameter)
+
+ def disconnect(self, message=""):
+ """Hang up the connection.
+
+ Arguments:
+
+ message -- Quit message.
+ """
+ if not self.connected:
+ return
+
+ self.connected = 0
+
+ self.quit(message)
+
+ try:
+ self.socket.close()
+ except socket.error, x:
+ pass
+ self.socket = None
+ self._handle_event(Event("disconnect", self.server, "", [message]))
+
+ def globops(self, text):
+ """Send a GLOBOPS command."""
+ self.send_raw("GLOBOPS :" + text)
+
+ def info(self, server=""):
+ """Send an INFO command."""
+ self.send_raw(" ".join(["INFO", server]).strip())
+
+ def invite(self, nick, channel):
+ """Send an INVITE command."""
+ self.send_raw(" ".join(["INVITE", nick, channel]).strip())
+
+ def ison(self, nicks):
+ """Send an ISON command.
+
+ Arguments:
+
+ nicks -- List of nicks.
+ """
+ self.send_raw("ISON " + " ".join(nicks))
+
+ def join(self, channel, key=""):
+ """Send a JOIN command."""
+ self.send_raw("JOIN %s%s" % (channel, (key and (" " + key))))
+
+ def kick(self, channel, nick, comment=""):
+ """Send a KICK command."""
+ self.send_raw("KICK %s %s%s" % (channel, nick, (comment and (" :" + comment))))
+
+ def links(self, remote_server="", server_mask=""):
+ """Send a LINKS command."""
+ command = "LINKS"
+ if remote_server:
+ command = command + " " + remote_server
+ if server_mask:
+ command = command + " " + server_mask
+ self.send_raw(command)
+
+ def list(self, channels=None, server=""):
+ """Send a LIST command."""
+ command = "LIST"
+ if channels:
+ command = command + " " + ",".join(channels)
+ if server:
+ command = command + " " + server
+ self.send_raw(command)
+
+ def lusers(self, server=""):
+ """Send a LUSERS command."""
+ self.send_raw("LUSERS" + (server and (" " + server)))
+
+ def mode(self, target, command):
+ """Send a MODE command."""
+ self.send_raw("MODE %s %s" % (target, command))
+
+ def motd(self, server=""):
+ """Send an MOTD command."""
+ self.send_raw("MOTD" + (server and (" " + server)))
+
+ def names(self, channels=None):
+ """Send a NAMES command."""
+ self.send_raw("NAMES" + (channels and (" " + ",".join(channels)) or ""))
+
+ def nick(self, newnick):
+ """Send a NICK command."""
+ self.send_raw("NICK " + newnick)
+
+ def notice(self, target, text):
+ """Send a NOTICE command."""
+ # Should limit len(text) here!
+ self.send_raw("NOTICE %s :%s" % (target, text))
+
+ def oper(self, nick, password):
+ """Send an OPER command."""
+ self.send_raw("OPER %s %s" % (nick, password))
+
+ def part(self, channels, message=""):
+ """Send a PART command."""
+ if type(channels) == types.StringType:
+ self.send_raw("PART " + channels + (message and (" " + message)))
+ else:
+ self.send_raw("PART " + ",".join(channels) + (message and (" " + message)))
+
+ def pass_(self, password):
+ """Send a PASS command."""
+ self.send_raw("PASS " + password)
+
+ def ping(self, target, target2=""):
+ """Send a PING command."""
+ self.send_raw("PING %s%s" % (target, target2 and (" " + target2)))
+
+ def pong(self, target, target2=""):
+ """Send a PONG command."""
+ self.send_raw("PONG %s%s" % (target, target2 and (" " + target2)))
+
+ def privmsg(self, target, text):
+ """Send a PRIVMSG command."""
+ # Should limit len(text) here!
+ self.send_raw("PRIVMSG %s :%s" % (target, text))
+
+ def privmsg_many(self, targets, text):
+ """Send a PRIVMSG command to multiple targets."""
+ # Should limit len(text) here!
+ self.send_raw("PRIVMSG %s :%s" % (",".join(targets), text))
+
+ def quit(self, message=""):
+ """Send a QUIT command."""
+ # Note that many IRC servers don't use your QUIT message
+ # unless you've been connected for at least 5 minutes!
+ self.send_raw("QUIT" + (message and (" :" + message)))
+
+ def send_raw(self, string):
+ """Send raw string to the server.
+
+ The string will be padded with appropriate CR LF.
+ """
+ if self.socket is None:
+ raise ServerNotConnectedError, "Not connected."
+ try:
+ if self.ssl:
+ self.ssl.write(string + "\r\n")
+ else:
+ self.socket.send(string + "\r\n")
+ if DEBUG:
+ print "TO SERVER:", string
+ except socket.error, x:
+ # Ouch!
+ self.disconnect("Connection reset by peer.")
+
+ def squit(self, server, comment=""):
+ """Send an SQUIT command."""
+ self.send_raw("SQUIT %s%s" % (server, comment and (" :" + comment)))
+
+ def stats(self, statstype, server=""):
+ """Send a STATS command."""
+ self.send_raw("STATS %s%s" % (statstype, server and (" " + server)))
+
+ def time(self, server=""):
+ """Send a TIME command."""
+ self.send_raw("TIME" + (server and (" " + server)))
+
+ def topic(self, channel, new_topic=None):
+ """Send a TOPIC command."""
+ if new_topic is None:
+ self.send_raw("TOPIC " + channel)
+ else:
+ self.send_raw("TOPIC %s :%s" % (channel, new_topic))
+
+ def trace(self, target=""):
+ """Send a TRACE command."""
+ self.send_raw("TRACE" + (target and (" " + target)))
+
+ def user(self, username, realname):
+ """Send a USER command."""
+ self.send_raw("USER %s 0 * :%s" % (username, realname))
+
+ def userhost(self, nicks):
+ """Send a USERHOST command."""
+ self.send_raw("USERHOST " + ",".join(nicks))
+
+ def users(self, server=""):
+ """Send a USERS command."""
+ self.send_raw("USERS" + (server and (" " + server)))
+
+ def version(self, server=""):
+ """Send a VERSION command."""
+ self.send_raw("VERSION" + (server and (" " + server)))
+
+ def wallops(self, text):
+ """Send a WALLOPS command."""
+ self.send_raw("WALLOPS :" + text)
+
+ def who(self, target="", op=""):
+ """Send a WHO command."""
+ self.send_raw("WHO%s%s" % (target and (" " + target), op and (" o")))
+
+ def whois(self, targets):
+ """Send a WHOIS command."""
+ self.send_raw("WHOIS " + ",".join(targets))
+
+ def whowas(self, nick, max="", server=""):
+ """Send a WHOWAS command."""
+ self.send_raw("WHOWAS %s%s%s" % (nick,
+ max and (" " + max),
+ server and (" " + server)))
+
+class DCCConnectionError(IRCError):
+ pass
+
+
+class DCCConnection(Connection):
+ """This class represents a DCC connection.
+
+ DCCConnection objects are instantiated by calling the dcc
+ method on an IRC object.
+ """
+ def __init__(self, irclibobj, dcctype):
+ Connection.__init__(self, irclibobj)
+ self.connected = 0
+ self.passive = 0
+ self.dcctype = dcctype
+ self.peeraddress = None
+ self.peerport = None
+
+ def connect(self, address, port):
+ """Connect/reconnect to a DCC peer.
+
+ Arguments:
+ address -- Host/IP address of the peer.
+
+ port -- The port number to connect to.
+
+ Returns the DCCConnection object.
+ """
+ self.peeraddress = socket.gethostbyname(address)
+ self.peerport = port
+ self.socket = None
+ self.previous_buffer = ""
+ self.handlers = {}
+ self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ self.passive = 0
+ try:
+ self.socket.connect((self.peeraddress, self.peerport))
+ except socket.error, x:
+ raise DCCConnectionError, "Couldn't connect to socket: %s" % x
+ self.connected = 1
+ if self.irclibobj.fn_to_add_socket:
+ self.irclibobj.fn_to_add_socket(self.socket)
+ return self
+
+ def listen(self):
+ """Wait for a connection/reconnection from a DCC peer.
+
+ Returns the DCCConnection object.
+
+ The local IP address and port are available as
+ self.localaddress and self.localport. After connection from a
+ peer, the peer address and port are available as
+ self.peeraddress and self.peerport.
+ """
+ self.previous_buffer = ""
+ self.handlers = {}
+ self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ self.passive = 1
+ try:
+ self.socket.bind((socket.gethostbyname(socket.gethostname()), 0))
+ self.localaddress, self.localport = self.socket.getsockname()
+ self.socket.listen(10)
+ except socket.error, x:
+ raise DCCConnectionError, "Couldn't bind socket: %s" % x
+ return self
+
+ def disconnect(self, message=""):
+ """Hang up the connection and close the object.
+
+ Arguments:
+
+ message -- Quit message.
+ """
+ if not self.connected:
+ return
+
+ self.connected = 0
+ try:
+ self.socket.close()
+ except socket.error, x:
+ pass
+ self.socket = None
+ self.irclibobj._handle_event(
+ self,
+ Event("dcc_disconnect", self.peeraddress, "", [message]))
+ self.irclibobj._remove_connection(self)
+
+ def process_data(self):
+ """[Internal]"""
+
+ if self.passive and not self.connected:
+ conn, (self.peeraddress, self.peerport) = self.socket.accept()
+ self.socket.close()
+ self.socket = conn
+ self.connected = 1
+ if DEBUG:
+ print "DCC connection from %s:%d" % (
+ self.peeraddress, self.peerport)
+ self.irclibobj._handle_event(
+ self,
+ Event("dcc_connect", self.peeraddress, None, None))
+ return
+
+ try:
+ new_data = self.socket.recv(2**14)
+ except socket.error, x:
+ # The server hung up.
+ self.disconnect("Connection reset by peer")
+ return
+ if not new_data:
+ # Read nothing: connection must be down.
+ self.disconnect("Connection reset by peer")
+ return
+
+ if self.dcctype == "chat":
+ # The specification says lines are terminated with LF, but
+ # it seems safer to handle CR LF terminations too.
+ chunks = _linesep_regexp.split(self.previous_buffer + new_data)
+
+ # Save the last, unfinished line.
+ self.previous_buffer = chunks[-1]
+ if len(self.previous_buffer) > 2**14:
+ # Bad peer! Naughty peer!
+ self.disconnect()
+ return
+ chunks = chunks[:-1]
+ else:
+ chunks = [new_data]
+
+ command = "dccmsg"
+ prefix = self.peeraddress
+ target = None
+ for chunk in chunks:
+ if DEBUG:
+ print "FROM PEER:", chunk
+ arguments = [chunk]
+ if DEBUG:
+ print "command: %s, source: %s, target: %s, arguments: %s" % (
+ command, prefix, target, arguments)
+ self.irclibobj._handle_event(
+ self,
+ Event(command, prefix, target, arguments))
+
+ def _get_socket(self):
+ """[Internal]"""
+ return self.socket
+
+ def privmsg(self, string):
+ """Send data to DCC peer.
+
+ The string will be padded with appropriate LF if it's a DCC
+ CHAT session.
+ """
+ try:
+ self.socket.send(string)
+ if self.dcctype == "chat":
+ self.socket.send("\n")
+ if DEBUG:
+ print "TO PEER: %s\n" % string
+ except socket.error, x:
+ # Ouch!
+ self.disconnect("Connection reset by peer.")
+
+class SimpleIRCClient:
+ """A simple single-server IRC client class.
+
+ This is an example of an object-oriented wrapper of the IRC
+ framework. A real IRC client can be made by subclassing this
+ class and adding appropriate methods.
+
+ The method on_join will be called when a "join" event is created
+ (which is done when the server sends a JOIN messsage/command),
+ on_privmsg will be called for "privmsg" events, and so on. The
+ handler methods get two arguments: the connection object (same as
+ self.connection) and the event object.
+
+ Instance attributes that can be used by sub classes:
+
+ ircobj -- The IRC instance.
+
+ connection -- The ServerConnection instance.
+
+ dcc_connections -- A list of DCCConnection instances.
+ """
+ def __init__(self):
+ self.ircobj = IRC()
+ self.connection = self.ircobj.server()
+ self.dcc_connections = []
+ self.ircobj.add_global_handler("all_events", self._dispatcher, -10)
+ self.ircobj.add_global_handler("dcc_disconnect", self._dcc_disconnect, -10)
+
+ def _dispatcher(self, c, e):
+ """[Internal]"""
+ m = "on_" + e.eventtype()
+ if hasattr(self, m):
+ getattr(self, m)(c, e)
+
+ def _dcc_disconnect(self, c, e):
+ self.dcc_connections.remove(c)
+
+ def connect(self, server, port, nickname, password=None, username=None,
+ ircname=None, localaddress="", localport=0, ssl=False, ipv6=False):
+ """Connect/reconnect to a server.
+
+ Arguments:
+
+ server -- Server name.
+
+ port -- Port number.
+
+ nickname -- The nickname.
+
+ password -- Password (if any).
+
+ username -- The username.
+
+ ircname -- The IRC name.
+
+ localaddress -- Bind the connection to a specific local IP address.
+
+ localport -- Bind the connection to a specific local port.
+
+ ssl -- Enable support for ssl.
+
+ ipv6 -- Enable support for ipv6.
+
+ This function can be called to reconnect a closed connection.
+ """
+ self.connection.connect(server, port, nickname,
+ password, username, ircname,
+ localaddress, localport, ssl, ipv6)
+
+ def dcc_connect(self, address, port, dcctype="chat"):
+ """Connect to a DCC peer.
+
+ Arguments:
+
+ address -- IP address of the peer.
+
+ port -- Port to connect to.
+
+ Returns a DCCConnection instance.
+ """
+ dcc = self.ircobj.dcc(dcctype)
+ self.dcc_connections.append(dcc)
+ dcc.connect(address, port)
+ return dcc
+
+ def dcc_listen(self, dcctype="chat"):
+ """Listen for connections from a DCC peer.
+
+ Returns a DCCConnection instance.
+ """
+ dcc = self.ircobj.dcc(dcctype)
+ self.dcc_connections.append(dcc)
+ dcc.listen()
+ return dcc
+
+ def start(self):
+ """Start the IRC client."""
+ self.ircobj.process_forever()
+
+
+class Event:
+ """Class representing an IRC event."""
+ def __init__(self, eventtype, source, target, arguments=None):
+ """Constructor of Event objects.
+
+ Arguments:
+
+ eventtype -- A string describing the event.
+
+ source -- The originator of the event (a nick mask or a server).
+
+ target -- The target of the event (a nick or a channel).
+
+ arguments -- Any event specific arguments.
+ """
+ self._eventtype = eventtype
+ self._source = source
+ self._target = target
+ if arguments:
+ self._arguments = arguments
+ else:
+ self._arguments = []
+
+ def eventtype(self):
+ """Get the event type."""
+ return self._eventtype
+
+ def source(self):
+ """Get the event source."""
+ return self._source
+
+ def target(self):
+ """Get the event target."""
+ return self._target
+
+ def arguments(self):
+ """Get the event arguments."""
+ return self._arguments
+
+_LOW_LEVEL_QUOTE = "\020"
+_CTCP_LEVEL_QUOTE = "\134"
+_CTCP_DELIMITER = "\001"
+
+_low_level_mapping = {
+ "0": "\000",
+ "n": "\n",
+ "r": "\r",
+ _LOW_LEVEL_QUOTE: _LOW_LEVEL_QUOTE
+}
+
+_low_level_regexp = re.compile(_LOW_LEVEL_QUOTE + "(.)")
+
+def mask_matches(nick, mask):
+ """Check if a nick matches a mask.
+
+ Returns true if the nick matches, otherwise false.
+ """
+ nick = irc_lower(nick)
+ mask = irc_lower(mask)
+ mask = mask.replace("\\", "\\\\")
+ for ch in ".$|[](){}+":
+ mask = mask.replace(ch, "\\" + ch)
+ mask = mask.replace("?", ".")
+ mask = mask.replace("*", ".*")
+ r = re.compile(mask, re.IGNORECASE)
+ return r.match(nick)
+
+_special = "-[]\\`^{}"
+nick_characters = string.ascii_letters + string.digits + _special
+_ircstring_translation = string.maketrans(string.ascii_uppercase + "[]\\^",
+ string.ascii_lowercase + "{}|~")
+
+def irc_lower(s):
+ """Returns a lowercased string.
+
+ The definition of lowercased comes from the IRC specification (RFC
+ 1459).
+ """
+ return s.translate(_ircstring_translation)
+
+def _ctcp_dequote(message):
+ """[Internal] Dequote a message according to CTCP specifications.
+
+ The function returns a list where each element can be either a
+ string (normal message) or a tuple of one or two strings (tagged
+ messages). If a tuple has only one element (ie is a singleton),
+ that element is the tag; otherwise the tuple has two elements: the
+ tag and the data.
+
+ Arguments:
+
+ message -- The message to be decoded.
+ """
+
+ def _low_level_replace(match_obj):
+ ch = match_obj.group(1)
+
+ # If low_level_mapping doesn't have the character as key, we
+ # should just return the character.
+ return _low_level_mapping.get(ch, ch)
+
+ if _LOW_LEVEL_QUOTE in message:
+ # Yup, there was a quote. Release the dequoter, man!
+ message = _low_level_regexp.sub(_low_level_replace, message)
+
+ if _CTCP_DELIMITER not in message:
+ return [message]
+ else:
+ # Split it into parts. (Does any IRC client actually *use*
+ # CTCP stacking like this?)
+ chunks = message.split(_CTCP_DELIMITER)
+
+ messages = []
+ i = 0
+ while i < len(chunks)-1:
+ # Add message if it's non-empty.
+ if len(chunks[i]) > 0:
+ messages.append(chunks[i])
+
+ if i < len(chunks)-2:
+ # Aye! CTCP tagged data ahead!
+ messages.append(tuple(chunks[i+1].split(" ", 1)))
+
+ i = i + 2
+
+ if len(chunks) % 2 == 0:
+ # Hey, a lonely _CTCP_DELIMITER at the end! This means
+ # that the last chunk, including the delimiter, is a
+ # normal message! (This is according to the CTCP
+ # specification.)
+ messages.append(_CTCP_DELIMITER + chunks[-1])
+
+ return messages
+
+def is_channel(string):
+ """Check if a string is a channel name.
+
+ Returns true if the argument is a channel name, otherwise false.
+ """
+ return string and string[0] in "#&+!"
+
+def ip_numstr_to_quad(num):
+ """Convert an IP number as an integer given in ASCII
+ representation (e.g. '3232235521') to an IP address string
+ (e.g. '192.168.0.1')."""
+ n = long(num)
+ p = map(str, map(int, [n >> 24 & 0xFF, n >> 16 & 0xFF,
+ n >> 8 & 0xFF, n & 0xFF]))
+ return ".".join(p)
+
+def ip_quad_to_numstr(quad):
+ """Convert an IP address string (e.g. '192.168.0.1') to an IP
+ number as an integer given in ASCII representation
+ (e.g. '3232235521')."""
+ p = map(long, quad.split("."))
+ s = str((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])
+ if s[-1] == "L":
+ s = s[:-1]
+ return s
+
+def nm_to_n(s):
+ """Get the nick part of a nickmask.
+
+ (The source of an Event is a nickmask.)
+ """
+ return s.split("!")[0]
+
+def nm_to_uh(s):
+ """Get the userhost part of a nickmask.
+
+ (The source of an Event is a nickmask.)
+ """
+ return s.split("!")[1]
+
+def nm_to_h(s):
+ """Get the host part of a nickmask.
+
+ (The source of an Event is a nickmask.)
+ """
+ return s.split("@")[1]
+
+def nm_to_u(s):
+ """Get the user part of a nickmask.
+
+ (The source of an Event is a nickmask.)
+ """
+ s = s.split("!")[1]
+ return s.split("@")[0]
+
+def parse_nick_modes(mode_string):
+ """Parse a nick mode string.
+
+ The function returns a list of lists with three members: sign,
+ mode and argument. The sign is \"+\" or \"-\". The argument is
+ always None.
+
+ Example:
+
+ >>> irclib.parse_nick_modes(\"+ab-c\")
+ [['+', 'a', None], ['+', 'b', None], ['-', 'c', None]]
+ """
+
+ return _parse_modes(mode_string, "")
+
+def parse_channel_modes(mode_string):
+ """Parse a channel mode string.
+
+ The function returns a list of lists with three members: sign,
+ mode and argument. The sign is \"+\" or \"-\". The argument is
+ None if mode isn't one of \"b\", \"k\", \"l\", \"v\" or \"o\".
+
+ Example:
+
+ >>> irclib.parse_channel_modes(\"+ab-c foo\")
+ [['+', 'a', None], ['+', 'b', 'foo'], ['-', 'c', None]]
+ """
+
+ return _parse_modes(mode_string, "bklvo")
+
+def _parse_modes(mode_string, unary_modes=""):
+ """[Internal]"""
+ modes = []
+ arg_count = 0
+
+ # State variable.
+ sign = ""
+
+ a = mode_string.split()
+ if len(a) == 0:
+ return []
+ else:
+ mode_part, args = a[0], a[1:]
+
+ if mode_part[0] not in "+-":
+ return []
+ for ch in mode_part:
+ if ch in "+-":
+ sign = ch
+ elif ch == " ":
+ collecting_arguments = 1
+ elif ch in unary_modes:
+ if len(args) >= arg_count + 1:
+ modes.append([sign, ch, args[arg_count]])
+ arg_count = arg_count + 1
+ else:
+ modes.append([sign, ch, None])
+ else:
+ modes.append([sign, ch, None])
+ return modes
+
+def _ping_ponger(connection, event):
+ """[Internal]"""
+ connection.pong(event.target())
+
+# Numeric table mostly stolen from the Perl IRC module (Net::IRC).
+numeric_events = {
+ "001": "welcome",
+ "002": "yourhost",
+ "003": "created",
+ "004": "myinfo",
+ "005": "featurelist", # XXX
+ "200": "tracelink",
+ "201": "traceconnecting",
+ "202": "tracehandshake",
+ "203": "traceunknown",
+ "204": "traceoperator",
+ "205": "traceuser",
+ "206": "traceserver",
+ "207": "traceservice",
+ "208": "tracenewtype",
+ "209": "traceclass",
+ "210": "tracereconnect",
+ "211": "statslinkinfo",
+ "212": "statscommands",
+ "213": "statscline",
+ "214": "statsnline",
+ "215": "statsiline",
+ "216": "statskline",
+ "217": "statsqline",
+ "218": "statsyline",
+ "219": "endofstats",
+ "221": "umodeis",
+ "231": "serviceinfo",
+ "232": "endofservices",
+ "233": "service",
+ "234": "servlist",
+ "235": "servlistend",
+ "241": "statslline",
+ "242": "statsuptime",
+ "243": "statsoline",
+ "244": "statshline",
+ "250": "luserconns",
+ "251": "luserclient",
+ "252": "luserop",
+ "253": "luserunknown",
+ "254": "luserchannels",
+ "255": "luserme",
+ "256": "adminme",
+ "257": "adminloc1",
+ "258": "adminloc2",
+ "259": "adminemail",
+ "261": "tracelog",
+ "262": "endoftrace",
+ "263": "tryagain",
+ "265": "n_local",
+ "266": "n_global",
+ "300": "none",
+ "301": "away",
+ "302": "userhost",
+ "303": "ison",
+ "305": "unaway",
+ "306": "nowaway",
+ "311": "whoisuser",
+ "312": "whoisserver",
+ "313": "whoisoperator",
+ "314": "whowasuser",
+ "315": "endofwho",
+ "316": "whoischanop",
+ "317": "whoisidle",
+ "318": "endofwhois",
+ "319": "whoischannels",
+ "321": "liststart",
+ "322": "list",
+ "323": "listend",
+ "324": "channelmodeis",
+ "329": "channelcreate",
+ "331": "notopic",
+ "332": "currenttopic",
+ "333": "topicinfo",
+ "341": "inviting",
+ "342": "summoning",
+ "346": "invitelist",
+ "347": "endofinvitelist",
+ "348": "exceptlist",
+ "349": "endofexceptlist",
+ "351": "version",
+ "352": "whoreply",
+ "353": "namreply",
+ "361": "killdone",
+ "362": "closing",
+ "363": "closeend",
+ "364": "links",
+ "365": "endoflinks",
+ "366": "endofnames",
+ "367": "banlist",
+ "368": "endofbanlist",
+ "369": "endofwhowas",
+ "371": "info",
+ "372": "motd",
+ "373": "infostart",
+ "374": "endofinfo",
+ "375": "motdstart",
+ "376": "endofmotd",
+ "377": "motd2", # 1997-10-16 -- tkil
+ "381": "youreoper",
+ "382": "rehashing",
+ "384": "myportis",
+ "391": "time",
+ "392": "usersstart",
+ "393": "users",
+ "394": "endofusers",
+ "395": "nousers",
+ "401": "nosuchnick",
+ "402": "nosuchserver",
+ "403": "nosuchchannel",
+ "404": "cannotsendtochan",
+ "405": "toomanychannels",
+ "406": "wasnosuchnick",
+ "407": "toomanytargets",
+ "409": "noorigin",
+ "411": "norecipient",
+ "412": "notexttosend",
+ "413": "notoplevel",
+ "414": "wildtoplevel",
+ "421": "unknowncommand",
+ "422": "nomotd",
+ "423": "noadmininfo",
+ "424": "fileerror",
+ "431": "nonicknamegiven",
+ "432": "erroneusnickname", # Thiss iz how its speld in thee RFC.
+ "433": "nicknameinuse",
+ "436": "nickcollision",
+ "437": "unavailresource", # "Nick temporally unavailable"
+ "441": "usernotinchannel",
+ "442": "notonchannel",
+ "443": "useronchannel",
+ "444": "nologin",
+ "445": "summondisabled",
+ "446": "usersdisabled",
+ "451": "notregistered",
+ "461": "needmoreparams",
+ "462": "alreadyregistered",
+ "463": "nopermforhost",
+ "464": "passwdmismatch",
+ "465": "yourebannedcreep", # I love this one...
+ "466": "youwillbebanned",
+ "467": "keyset",
+ "471": "channelisfull",
+ "472": "unknownmode",
+ "473": "inviteonlychan",
+ "474": "bannedfromchan",
+ "475": "badchannelkey",
+ "476": "badchanmask",
+ "477": "nochanmodes", # "Channel doesn't support modes"
+ "478": "banlistfull",
+ "481": "noprivileges",
+ "482": "chanoprivsneeded",
+ "483": "cantkillserver",
+ "484": "restricted", # Connection is restricted
+ "485": "uniqopprivsneeded",
+ "491": "nooperhost",
+ "492": "noservicehost",
+ "501": "umodeunknownflag",
+ "502": "usersdontmatch",
+}
+
+generated_events = [
+ # Generated events
+ "dcc_connect",
+ "dcc_disconnect",
+ "dccmsg",
+ "disconnect",
+ "ctcp",
+ "ctcpreply",
+]
+
+protocol_events = [
+ # IRC protocol events
+ "error",
+ "join",
+ "kick",
+ "mode",
+ "part",
+ "ping",
+ "privmsg",
+ "privnotice",
+ "pubmsg",
+ "pubnotice",
+ "quit",
+ "invite",
+ "pong",
+]
+
+all_events = generated_events + protocol_events + numeric_events.values()
</ins></span></pre>
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