Limnoria/src/OwnerCommands.py

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#!/usr/bin/env python
###
# Copyright (c) 2002, Jeremiah Fincher
# 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 the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# 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.
###
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"""
Provides commands useful to the owner of the bot; the commands here require
their caller to have the 'owner' capability. This plugin is loaded by default.
"""
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import os
import gc
import imp
import sys
import linecache
import conf
import debug
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import utils
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import world
import ircmsgs
import drivers
import privmsgs
import callbacks
class OwnerCommands(privmsgs.CapabilityCheckingPrivmsg):
capability = 'owner'
def __init__(self):
callbacks.Privmsg.__init__(self)
setattr(self.__class__, 'exec', self._exec)
def eval(self, irc, msg, args):
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"""<expression>
Evaluates <expression> and returns its value.
"""
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if conf.allowEval:
s = privmsgs.getArgs(args)
try:
irc.reply(msg, repr(eval(s)))
except SyntaxError, e:
irc.reply(msg, '%s: %r' % (debug.exnToString(e), s))
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except Exception, e:
irc.reply(msg, debug.exnToString(e))
else:
irc.error(msg, conf.replyEvalNotAllowed)
def _exec(self, irc, msg, args):
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"""<statement>
Execs <code>. Returns success if it didn't raise any exceptions.
"""
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if conf.allowEval:
s = privmsgs.getArgs(args)
try:
exec s
irc.reply(msg, conf.replySuccess)
except Exception, e:
irc.reply(msg, debug.exnToString(e))
else:
irc.error(msg, conf.replyEvalNotAllowed)
def setdefaultcapability(self, irc, msg, args):
"""<capability>
Sets the default capability to be allowed for any command.
"""
capability = privmsgs.getArgs(args)
conf.defaultCapabilities[capability] = True
irc.reply(msg, conf.replySuccess)
def unsetdefaultcapability(self, irc, msg, args):
"""<capability>
Unsets the default capability for any command.
"""
capability = privmsgs.getArgs(args)
del conf.defaultCapabilities[capability]
irc.reply(msg, conf.replySuccess)
def settrace(self, irc, msg, args):
"""takes no arguments
Starts the function-tracing debug mode; beware that this makes *huge*
logfiles.
"""
sys.settrace(debug.tracer)
irc.reply(msg, conf.replySuccess)
def unsettrace(self, irc, msg, args):
"""takes no arguments
Stops the function-tracing debug mode."""
sys.settrace(None)
irc.reply(msg, conf.replySuccess)
def ircquote(self, irc, msg, args):
"""<string to be sent to the server>
Sends the raw string given to the server.
"""
s = privmsgs.getArgs(args)
try:
m = ircmsgs.IrcMsg(s)
irc.queueMsg(m)
except Exception:
debug.recoverableException()
irc.error(msg, conf.replyError)
def quit(self, irc, msg, args):
"""[<int return value>]
Exits the program with the given return value (the default is 0)
"""
try:
i = int(args[0])
except (ValueError, IndexError):
i = 0
for driver in drivers._drivers.itervalues():
driver.die()
for irc in world.ircs[:]:
irc.die()
debug.exit(i)
def flush(self, irc, msg, args):
"""takes no arguments
Runs all the periodic flushers in world.flushers.
"""
world.flush()
irc.reply(msg, conf.replySuccess)
def upkeep(self, irc, msg, args):
"""takes no arguments
Runs the standard upkeep stuff (flushes and gc.collects()).
"""
collected = world.upkeep()
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if gc.garbage:
if len(gc.garbage) < 10:
irc.reply(msg, 'Garbage! %r' % gc.garbage)
else:
irc.reply(msg, 'Garbage! %s items.' % len(gc.garbage))
else:
irc.reply(msg, '%s collected' % utils.nItems(collected, 'object'))
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def set(self, irc, msg, args):
"""<name> <value>
Sets the runtime variable <name> to <value>. Currently used variables
include "noflush" which, if set to true value, will prevent the
periodic flushing that normally occurs.
"""
(name, value) = privmsgs.getArgs(args, optional=1)
world.tempvars[name] = value
irc.reply(msg, conf.replySuccess)
def unset(self, irc, msg, args):
"""<name>
Unsets the value of variables set via the 'set' command.
"""
name = privmsgs.getArgs(args)
try:
del world.tempvars[name]
irc.reply(msg, conf.replySuccess)
except KeyError:
irc.error(msg, 'That variable wasn\'t set.')
def load(self, irc, msg, args):
"""<plugin>
Loads the plugin <plugin> from the plugins/ directory.
"""
name = privmsgs.getArgs(args)
for cb in irc.callbacks:
if cb.name() == name:
irc.error(msg, 'That module is already loaded.')
return
try:
moduleInfo = imp.find_module(name)
except ImportError:
irc.error(msg, 'No plugin %s exists.' % name)
return
module = imp.load_module(name, *moduleInfo)
linecache.checkcache()
callback = module.Class()
if hasattr(callback, 'configure'):
callback.configure(irc)
irc.addCallback(callback)
irc.reply(msg, conf.replySuccess)
'''
def superreload(self, irc, msg, args):
"""<module name>
Reloads a module, hopefully such that all vestiges of the old module
are gone.
"""
name = privmsgs.getArgs(args)
world.superReload(__import__(name))
irc.reply(msg, conf.replySuccess)
'''
def reload(self, irc, msg, args):
"""<callback name>
Unloads and subsequently reloads the callback by name; use the 'list'
command to see a list of the currently loaded callbacks.
"""
name = privmsgs.getArgs(args)
callbacks = irc.removeCallback(name)
if callbacks:
for callback in callbacks:
callback.die()
del callback
gc.collect()
try:
moduleInfo = imp.find_module(name)
module = imp.load_module(name, *moduleInfo)
linecache.checkcache()
callback = module.Class()
if hasattr(callback, 'configure'):
callback.configure(irc)
irc.addCallback(callback)
irc.reply(msg, conf.replySuccess)
except ImportError:
for callback in callbacks:
irc.addCallback(callback)
irc.error(msg, 'No plugin %s exists.' % name)
else:
irc.error(msg, 'There was no callback %s.' % name)
def unload(self, irc, msg, args):
"""<callback name>
Unloads the callback by name; use the 'list' command to see a list
of the currently loaded callbacks.
"""
name = privmsgs.getArgs(args)
callbacks = irc.removeCallback(name)
if callbacks:
for callback in callbacks:
callback.die()
del callback
gc.collect()
irc.reply(msg, conf.replySuccess)
else:
irc.error(msg, 'There was no callback %s' % name)
def cvsup(self, irc, msg, args):
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"""takes no arguments
Returns the return code of 'cvs up'. Do note that this command blocks
the entire bot until the cvs up finishes. If you're using ext
authentication, you'll want to type the password in on the terminal
the bot is running on, or he'll just freeze.
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"""
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irc.reply(msg, str(os.system('cvs up')))
def say(self, irc, msg, args):
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"""<channel> <text>
Says <text> in <channel>
"""
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(channel, text) = privmsgs.getArgs(args, needed=2)
irc.queueMsg(ircmsgs.privmsg(channel, text))
Class = OwnerCommands
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: