mirror of
https://github.com/Mikaela/Limnoria.git
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342 lines
11 KiB
Python
342 lines
11 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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from fix import *
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import gc
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import os
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import new
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import sys
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import imp
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import linecache
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import conf
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import debug
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import world
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import ircdb
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import ircmsgs
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import drivers
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import ircutils
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import callbacks
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def getChannel(msg, args):
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"""Returns the channel the msg came over or the channel given in args.
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If the channel was given in args, args is modified (the channel is
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removed).
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"""
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if args and ircutils.isChannel(args[0]):
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return args.pop(0)
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elif ircutils.isChannel(msg.args[0]):
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return msg.args[0]
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else:
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raise callbacks.Error, 'Command must be sent in a channel or ' \
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'include a channel in its arguments.'
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def getArgs(args, needed=1, optional=0):
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"""Take the needed arguments from args.
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Always returns a list of size needed + optional, filling it with however
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many empty strings is necessary to fill the tuple to the right size.
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If there aren't enough args even to satisfy needed, raise an error and
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let the caller handle sending the help message.
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"""
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if len(args) < needed:
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raise callbacks.ArgumentError
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if len(args) < needed + optional:
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ret = list(args) + ([''] * (needed + optional - len(args)))
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elif len(args) >= needed + optional:
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ret = list(args[:needed + optional - 1])
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ret.append(' '.join(args[needed + optional - 1:]))
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if len(ret) == 1:
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return ret[0]
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else:
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return ret
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def checkCapability(f, capability):
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"""Makes sure a user has a certain capability before a command will run."""
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def newf(self, irc, msg, args):
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if ircdb.checkCapability(msg.prefix, capability):
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f(self, irc, msg, args)
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else:
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irc.error(msg, conf.replyNoCapability % capability)
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newf.__doc__ = f.__doc__
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return newf
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def thread(f):
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"""Makes sure a command spawns a thread when called."""
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def newf(self, irc, msg, args):
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ff = new.instancemethod(f, self, self.__class__)
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t = callbacks.CommandThread(ff, irc, msg, args)
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t.start()
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newf.__doc__ = f.__doc__
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return newf
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class CapabilityCheckingPrivmsg(callbacks.Privmsg):
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capability = '' # To satisfy PyChecker
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def callCommand(self, f, irc, msg, args):
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if ircdb.checkCapability(msg.prefix, self.capability):
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callbacks.Privmsg.callCommand(self, f, irc, msg, args)
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else:
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irc.error(msg, conf.replyNoCapability % self.capability)
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class OwnerCommands(CapabilityCheckingPrivmsg):
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capability = 'owner'
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def __init__(self):
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callbacks.Privmsg.__init__(self)
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setattr(self.__class__, 'exec', self._exec)
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def eval(self, irc, msg, args):
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"""<string to be evaluated by the Python interpreter>"""
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if conf.allowEval:
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s = getArgs(args)
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try:
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irc.reply(msg, repr(eval(s)))
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except Exception, e:
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irc.reply(msg, debug.exnToString(e))
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else:
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irc.error(msg, conf.replyEvalNotAllowed)
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def _exec(self, irc, msg, args):
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"""<code to exec>"""
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if conf.allowEval:
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s = getArgs(args)
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try:
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exec s
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irc.reply(msg, conf.replySuccess)
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except Exception, e:
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irc.reply(msg, debug.exnToString(e))
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else:
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irc.error(msg, conf.replyEvalNotAllowed)
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def setdefaultcapability(self, irc, msg, args):
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"""<capability>
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Sets the default capability to be allowed for any command.
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"""
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capability = getArgs(args)
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conf.defaultCapabilities[capability] = True
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irc.reply(msg, conf.replySuccess)
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def unsetdefaultcapability(self, irc, msg, args):
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"""<capability>
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Unsets the default capability for any command.
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"""
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capability = getArgs(args)
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del conf.defaultCapabilities[capability]
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irc.reply(msg, conf.replySuccess)
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def settrace(self, irc, msg, args):
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"""takes no arguments
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Starts the function-tracing debug mode; beware that this makes *huge*
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logfiles.
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"""
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sys.settrace(debug.tracer)
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irc.reply(msg, conf.replySuccess)
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def unsettrace(self, irc, msg, args):
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"""takes no arguments
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Stops the function-tracing debug mode."""
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sys.settrace(None)
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irc.reply(msg, conf.replySuccess)
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def ircquote(self, irc, msg, args):
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"""<string to be sent to the server>
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Sends the raw string given to the server.
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"""
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s = getArgs(args)
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try:
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m = ircmsgs.IrcMsg(s)
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irc.queueMsg(m)
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except Exception:
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debug.recoverableException()
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irc.error(msg, conf.replyError)
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def quit(self, irc, msg, args):
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"""[<int return value>]
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Exits the program with the given return value (the default is 0)
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"""
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try:
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i = int(args[0])
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except (ValueError, IndexError):
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i = 0
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for driver in drivers._drivers.itervalues():
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driver.die()
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for irc in world.ircs[:]:
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irc.die()
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debug.exit(i)
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def flush(self, irc, msg, args):
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"""takes no arguments
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Runs all the periodic flushers in world.flushers.
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"""
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world.flush()
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irc.reply(msg, conf.replySuccess)
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def upkeep(self, irc, msg, args):
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"""takes no arguments
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Runs the standard upkeep stuff (flushes and gc.collects()).
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"""
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world.upkeep()
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if gc.garbage:
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if len(gc.garbage) < 10:
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irc.reply(msg, 'Garbage! %r' % gc.garbage)
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else:
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irc.reply(msg, 'Garbage! %s items.' % len(gc.garbage))
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else:
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irc.reply(msg, conf.replySuccess)
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def set(self, irc, msg, args):
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"""<name> <value>
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Sets the runtime variable <name> to <value>. Currently used variables
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include "noflush" which, if set to true value, will prevent the
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periodic flushing that normally occurs.
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"""
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(name, value) = getArgs(args, optional=1)
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world.tempvars[name] = value
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irc.reply(msg, conf.replySuccess)
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def unset(self, irc, msg, args):
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"""<name>
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Unsets the value of variables set via the 'set' command.
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"""
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name = getArgs(args)
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try:
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del world.tempvars[name]
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irc.reply(msg, conf.replySuccess)
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except KeyError:
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irc.error(msg, 'That variable wasn\'t set.')
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def load(self, irc, msg, args):
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"""<plugin>
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Loads the plugin <plugin> from the plugins/ directory.
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"""
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name = getArgs(args)
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if name in [cb.name() for cb in irc.callbacks]:
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irc.error(msg, 'That module is already loaded.')
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return
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try:
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moduleInfo = imp.find_module(name)
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except ImportError:
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irc.error(msg, 'No plugin %s exists.' % name)
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return
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module = imp.load_module(name, *moduleInfo)
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linecache.checkcache()
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callback = module.Class()
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if hasattr(callback, 'configure'):
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callback.configure(irc)
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irc.addCallback(callback)
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irc.reply(msg, conf.replySuccess)
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'''
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def superreload(self, irc, msg, args):
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"""<module name>
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Reloads a module, hopefully such that all vestiges of the old module
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are gone.
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"""
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name = getArgs(args)
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world.superReload(__import__(name))
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irc.reply(msg, conf.replySuccess)
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'''
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def reload(self, irc, msg, args):
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"""<callback name>
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Unloads and subsequently reloads the callback by name; use the 'list'
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command to see a list of the currently loaded callbacks.
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"""
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name = getArgs(args)
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callbacks = irc.removeCallback(name)
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if callbacks:
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for callback in callbacks:
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callback.die()
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del callback
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gc.collect()
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try:
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moduleInfo = imp.find_module(name)
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module = imp.load_module(name, *moduleInfo)
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linecache.checkcache()
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callback = module.Class()
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if hasattr(callback, 'configure'):
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callback.configure(irc)
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irc.addCallback(callback)
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irc.reply(msg, conf.replySuccess)
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except ImportError:
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for callback in callbacks:
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irc.addCallback(callback)
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irc.error(msg, 'No plugin %s exists.' % name)
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else:
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irc.error(msg, 'There was no callback %s.' % name)
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def unload(self, irc, msg, args):
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"""<callback name>
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Unloads the callback by name; use the 'list' command to see a list
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of the currently loaded callbacks.
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"""
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name = getArgs(args)
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callbacks = irc.removeCallback(name)
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if callbacks:
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for callback in callbacks:
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callback.die()
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del callback
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gc.collect()
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irc.reply(msg, conf.replySuccess)
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else:
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irc.error(msg, 'There was no callback %s' % name)
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def cvsup(self, irc, msg, args):
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"""takes no arguments"""
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irc.reply(msg, str(os.system('cvs up')))
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def say(self, irc, msg, args):
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"""<channel> <text>"""
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(channel, text) = getArgs(args, needed=2)
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irc.queueMsg(ircmsgs.privmsg(channel, text))
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standardPrivmsgModules = [OwnerCommands]
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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