Limnoria/src/Owner.py
2004-04-30 18:24:35 +00:00

540 lines
20 KiB
Python

#!/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.
###
"""
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.
"""
__revision__ = "$Id$"
__author__ = 'Jeremy Fincher (jemfinch) <jemfinch@users.sf.net>'
import fix
import gc
import os
import imp
import sys
import sets
import getopt
import logging
import linecache
import log
import conf
import utils
import world
import ircdb
import irclib
import ircmsgs
import drivers
import privmsgs
import registry
import callbacks
class Deprecated(ImportError):
pass
def loadPluginModule(name, ignoreDeprecation=False):
"""Loads (and returns) the module for the plugin with the given name."""
files = []
pluginDirs = conf.supybot.directories.plugins()
for dir in pluginDirs:
try:
files.extend(os.listdir(dir))
except EnvironmentError: # OSError, IOError superclass.
log.warning('Invalid plugin directory: %s', dir)
loweredFiles = map(str.lower, files)
try:
index = loweredFiles.index(name.lower()+'.py')
name = os.path.splitext(files[index])[0]
if name in sys.modules:
m = sys.modules[name]
if not hasattr(m, 'Class'):
raise ImportError, 'Module is not a plugin.'
except ValueError: # We'd rather raise the ImportError, so we'll let go...
pass
moduleInfo = imp.find_module(name, pluginDirs)
try:
module = imp.load_module(name, *moduleInfo)
except:
if name in sys.modules:
del sys.modules[name]
raise
if 'deprecated' in module.__dict__ and module.deprecated:
if ignoreDeprecation:
log.warning('Deprecated plugin loaded: %s', name)
else:
raise Deprecated, 'Attempted to load deprecated plugin %r' % name
if module.__name__ in sys.modules:
sys.modules[module.__name__] = module
linecache.checkcache()
return module
def loadPluginClass(irc, module, register=None):
"""Loads the plugin Class from the given module into the given irc."""
cb = module.Class()
name = cb.name()
public = True
if hasattr(cb, 'public'):
public = cb.public
conf.registerPlugin(name, register)
conf.supybot.plugins.get(name).register('public',
registry.Boolean(public, """Determines whether this plugin is
publically visible."""))
assert not irc.getCallback(name)
irc.addCallback(cb)
return cb
conf.registerPlugin('Owner', True)
conf.supybot.plugins.Owner.register('public', registry.Boolean(True,
"""Determines whether this plugin is publically visible."""))
conf.registerGroup(conf.supybot, 'commands')
conf.registerGroup(conf.supybot.commands, 'defaultPlugins')
conf.supybot.commands.defaultPlugins.help = utils.normalizeWhitespace("""
Determines what commands have default plugins set, and which plugins are set to
be the default for each of those commands.""".strip())
def registerDefaultPlugin(command, plugin):
command = callbacks.canonicalName(command)
conf.registerGlobalValue(conf.supybot.commands.defaultPlugins,
command, registry.String(plugin, ''))
# This must be set, or the quotes won't be removed.
conf.supybot.commands.defaultPlugins.get(command).set(plugin)
registerDefaultPlugin('ignore', 'Admin')
registerDefaultPlugin('unignore', 'Admin')
registerDefaultPlugin('addcapability', 'Admin')
registerDefaultPlugin('removecapability', 'Admin')
registerDefaultPlugin('list', 'Misc')
registerDefaultPlugin('help', 'Misc')
registerDefaultPlugin('reload', 'Owner')
registerDefaultPlugin('capabilities', 'User')
class holder(object):
pass
# This is used so we can support a "log" command as well as a "self.log"
# Logger.
class LogProxy(object):
"""<text>
Logs <text> to the global supybot log at critical priority. Useful for
marking logfiles for later searching.
"""
__name__ = 'log' # Necessary for help.
def __init__(self, log):
self.log = log
self.im_func = holder()
self.im_func.func_name = 'log'
def __call__(self, irc, msg, args):
text = privmsgs.getArgs(args)
log.critical(text)
irc.replySuccess()
def __getattr__(self, attr):
return getattr(self.log, attr)
class LogErrorHandler(logging.Handler):
irc = None
def handle(self, record):
if record.levelno >= logging.ERROR:
if record.exc_info:
(_, e, _) = record.exc_info
s = 'Uncaught exception in %s: %s' % (record.module, e)
else:
s = record.msg
# Send to the owner dudes.
class Owner(privmsgs.CapabilityCheckingPrivmsg):
# This plugin must be first; its priority must be lowest; otherwise odd
# things will happen when adding callbacks.
priority = ~sys.maxint-1 # This must be first!
capability = 'owner'
_srcPlugins = ('Admin', 'Channel', 'Config', 'Misc', 'Owner', 'User')
def __init__(self):
callbacks.Privmsg.__init__(self)
self.log = LogProxy(self.log)
setattr(self.__class__, 'exec', self.__class__._exec)
for (name, s) in registry._cache.iteritems():
if name.startswith('supybot.plugins'):
try:
(_, _, name) = name.split('.')
except ValueError: # unpack list of wrong size.
continue
if name == name.lower(): # This can't be right.
name = name.capitalize() # Let's at least capitalize it.
conf.registerPlugin(name)
if name.startswith('supybot.commands.defaultPlugins'):
try:
(_, _, _, name) = name.split('.')
except ValueError: # unpack list of wrong size.
continue
registerDefaultPlugin(name, s)
def isCommand(self, methodName):
return methodName == 'log' or \
privmsgs.CapabilityCheckingPrivmsg.isCommand(self, methodName)
def reset(self):
# This has to be done somewhere, I figure here is as good place as any.
callbacks.Privmsg._mores.clear()
privmsgs.CapabilityCheckingPrivmsg.reset(self)
def do001(self, irc, msg):
if len(irc.callbacks) < 6:
self.log.info('Loading other src/ plugins.')
for s in ('Admin', 'Channel', 'Config', 'Misc', 'User'):
if irc.getCallback(s) is None:
self.log.info('Loading %s.' % s)
m = loadPluginModule(s)
loadPluginClass(irc, m)
self.log.info('Loading plugins/ plugins.')
for (name, value) in conf.supybot.plugins.getValues(fullNames=False):
if name.lower() == 'owner':
continue # Just in case.
if irc.getCallback(name) is None:
if value():
if not irc.getCallback(name):
self.log.info('Loading %s.' % name)
try:
m = loadPluginModule(name)
loadPluginClass(irc, m)
except ImportError, e:
log.warning('Failed to load %s: %s', name, e)
except Exception, e:
log.exception('Failed to load %s:', name)
else:
# Let's import the module so configuration is preserved.
try:
_ = loadPluginModule(name)
except Exception, e:
log.info('Attempted to load %s to preserve its '
'configuration, but load failed: %s',
name, e)
world.starting = False
def disambiguate(self, irc, tokens, ambiguousCommands=None):
"""Disambiguates the given tokens based on the plugins loaded and
commands available in the given irc. Returns a dictionary of
ambiguous commands, mapping the command to the plugins it's
available in."""
if ambiguousCommands is None:
ambiguousCommands = {}
if tokens:
command = callbacks.canonicalName(tokens[0])
try:
plugin = conf.supybot.commands.defaultPlugins.get(command)()
if plugin and plugin != '(Unused)':
tokens.insert(0, plugin)
else:
raise registry.NonExistentRegistryEntry
except registry.NonExistentRegistryEntry:
cbs = callbacks.findCallbackForCommand(irc, command)
if len(cbs) > 1:
names = [cb.name() for cb in cbs]
srcs = [name for name in names if name in self._srcPlugins]
if len(srcs) == 1:
tokens.insert(0, srcs[0])
else:
ambiguousCommands[command] = names
for elt in tokens:
if isinstance(elt, list):
self.disambiguate(irc, elt, ambiguousCommands)
return ambiguousCommands
def processTokens(self, irc, msg, tokens):
ambiguousCommands = self.disambiguate(irc, tokens)
if ambiguousCommands:
if len(ambiguousCommands) == 1: # Common case.
(command, names) = ambiguousCommands.popitem()
names.sort()
s = 'The command %r is available in the %s plugins. ' \
'Please specify the plugin whose command you ' \
'wish to call by using its name as a command ' \
'before calling it.' % \
(command, utils.commaAndify(names))
else:
L = []
for (command, names) in ambiguousCommands.iteritems():
names.sort()
L.append('The command %r is available in the %s '
'plugins' %
(command, utils.commaAndify(names)))
s = '%s; please specify from which plugins to ' \
'call these commands.' % '; '.join(L)
irc.queueMsg(callbacks.error(msg, s))
else:
callbacks.IrcObjectProxy(irc, msg, tokens)
def doPrivmsg(self, irc, msg):
callbacks.Privmsg.handled = False
callbacks.Privmsg.errored = False
if ircdb.checkIgnored(msg.prefix):
return
s = callbacks.addressed(irc.nick, msg)
if s:
try:
tokens = callbacks.tokenize(s)
if tokens and isinstance(tokens[0], list):
s = 'The command called may not be the result ' \
'of a nested command.'
irc.queueMsg(callbacks.error(msg, s))
return
self.processTokens(irc, msg, tokens)
except SyntaxError, e:
callbacks.Privmsg.errored = True
irc.queueMsg(callbacks.error(msg, str(e)))
return
if conf.allowEval:
def eval(self, irc, msg, args):
"""<expression>
Evaluates <expression> (which should be a Python expression) and
returns its value. If an exception is raised, reports the
exception.
"""
if conf.allowEval:
s = privmsgs.getArgs(args)
try:
irc.reply(repr(eval(s)))
except SyntaxError, e:
irc.reply('%s: %r' % (utils.exnToString(e), s))
except Exception, e:
irc.reply(utils.exnToString(e))
else:
# This should never happen, so I haven't bothered updating
# this error string to say --allow-eval.
irc.error('You must run supybot with the --allow-eval '
'option for this command to be enabled.')
def _exec(self, irc, msg, args):
"""<statement>
Execs <code>. Returns success if it didn't raise any exceptions.
"""
if conf.allowEval:
s = privmsgs.getArgs(args)
try:
exec s
irc.replySuccess()
except Exception, e:
irc.reply(utils.exnToString(e))
else:
# This should never happen.
irc.error('You must run supybot with the --allow-eval '
'option for this command to be enabled.')
else:
def eval(self, irc, msg, args):
"""Run your bot with --allow-eval if you want this to work."""
irc.error('You must give your bot the --allow-eval option for '
'this command to be enabled.')
_exec = eval
def announce(self, irc, msg, args):
"""<text>
Sends <text> to all channels the bot is currently on and not
lobotomized in.
"""
text = privmsgs.getArgs(args)
u = ircdb.users.getUser(msg.prefix)
text = 'Announcement from my owner (%s): %s' % (u.name, text)
for channel in irc.state.channels:
c = ircdb.channels.getChannel(channel)
if not c.lobotomized:
irc.queueMsg(ircmsgs.privmsg(channel, text))
def defaultplugin(self, irc, msg, args):
"""[--remove] <command> [<plugin>]
Sets the default plugin for <command> to <plugin>. If --remove is
given, removes the current default plugin for <command>. If no plugin
is given, returns the current default plugin set for <command>.
"""
remove = False
(optlist, rest) = getopt.getopt(args, '', ['remove'])
for (option, arg) in optlist:
if option == '--remove':
remove = True
(command, plugin) = privmsgs.getArgs(rest, optional=1)
command = callbacks.canonicalName(command)
cbs = callbacks.findCallbackForCommand(irc, command)
if remove:
conf.supybot.commands.defaultPlugins.unregister(command)
irc.replySuccess()
elif not cbs:
irc.error('That\'s not a valid command.')
return
elif plugin:
registerDefaultPlugin(command, plugin)
irc.replySuccess()
else:
try:
irc.reply(conf.supybot.commands.defaultPlugins.get(command)())
except registry.NonExistentRegistryEntry:
s = 'I don\'t have a default plugin set for that command.'
irc.error(s)
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)
except Exception, e:
irc.error(utils.exnToString(e))
else:
irc.queueMsg(m)
def quit(self, irc, msg, args):
"""takes no arguments
Exits the bot.
"""
world.ircs[:] = []
def flush(self, irc, msg, args):
"""takes no arguments
Runs all the periodic flushers in world.flushers. This includes
flushing all logs and all configuration changes to disk.
"""
world.flush()
irc.replySuccess()
def upkeep(self, irc, msg, args):
"""takes no arguments
Runs the standard upkeep stuff (flushes and gc.collects()).
"""
collected = world.upkeep(scheduleNext=False)
if gc.garbage:
irc.reply('Garbage! %r' % gc.garbage)
else:
irc.reply('%s collected.' % utils.nItems('object', collected))
def load(self, irc, msg, args):
"""[--deprecated] <plugin>
Loads the plugin <plugin> from any of the directories in
conf.supybot.directories.plugins; usually this includes the main
installed directory and 'plugins' in the current directory.
--deprecated is necessary if you wish to load deprecated plugins.
"""
(optlist, args) = getopt.getopt(args, '', ['deprecated'])
ignoreDeprecation = False
for (option, argument) in optlist:
if option == '--deprecated':
ignoreDeprecation = True
name = privmsgs.getArgs(args)
if name.endswith('.py'):
name = name[:-3]
if irc.getCallback(name):
irc.error('That module is already loaded.')
return
try:
module = loadPluginModule(name, ignoreDeprecation)
except Deprecated:
irc.error('Plugin %r is deprecated. '
'Use --deprecated to force it to load.' % name)
return
except ImportError, e:
if name in str(e):
irc.error('No plugin %s exists.' % name)
else:
irc.error(str(e))
return
cb = loadPluginClass(irc, module)
name = cb.name() # Let's normalize this.
conf.registerPlugin(name, True)
irc.replySuccess()
def reload(self, irc, msg, args):
"""<plugin>
Unloads and subsequently reloads the plugin by name; use the 'list'
command to see a list of the currently loaded plugins.
"""
name = privmsgs.getArgs(args)
callbacks = irc.removeCallback(name)
if callbacks:
module = sys.modules[callbacks[0].__module__]
if hasattr(module, 'reload'):
x = module.reload()
try:
module = loadPluginModule(name)
if hasattr(module, 'reload'):
module.reload(x)
for callback in callbacks:
callback.die()
del callback
gc.collect()
callback = loadPluginClass(irc, module)
irc.replySuccess()
except ImportError:
for callback in callbacks:
irc.addCallback(callback)
irc.error('No plugin %s exists.' % name)
else:
irc.error('There was no callback %s.' % name)
def unload(self, irc, msg, args):
"""<plugin>
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()
conf.registerPlugin(name, False)
irc.replySuccess()
else:
irc.error('There was no callback %s' % name)
Class = Owner
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: