### # Copyright (c) 2002-2004, 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. """ import supybot __revision__ = "$Id$" __author__ = supybot.authors.jemfinch import supybot.fix as fix import gc import os import imp import sre import sys import getopt import socket import logging import linecache import supybot.log as log import supybot.conf as conf import supybot.utils as utils import supybot.world as world import supybot.ircdb as ircdb import supybot.irclib as irclib import supybot.drivers as drivers import supybot.ircmsgs as ircmsgs import supybot.ircutils as ircutils import supybot.privmsgs as privmsgs import supybot.registry as registry import supybot.callbacks as callbacks import supybot.structures as structures 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: %r; removing.', dir) conf.supybot.directories.plugins().remove(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.""" try: cb = module.Class() except AttributeError, e: raise callbacks.Error, 'This plugin module doesn\'t have a "Class" ' \ 'attribute to specify which plugin should be ' \ 'instantiated. If you didn\'t write this ' \ 'plugin, but received it with Supybot, file ' \ 'a bug with us about this error. %s.' % e name = cb.name() public = True if hasattr(cb, 'public'): public = cb.public conf.registerPlugin(name, register, public) assert not irc.getCallback(name) try: # XXX We should first register the rename plugin. renames = conf.supybot.commands.renames.get(name) for (name, v) in renames.getValues(fullNames=False): newName = v() renameCommand(cb, name, newName) except registry.NonExistentRegistryEntry, e: pass # The plugin isn't there. irc.addCallback(cb) return cb conf.registerPlugin('Owner', True) conf.supybot.plugins.Owner.register('public', registry.Boolean(True, """Determines whether this plugin is publicly visible.""")) ### # supybot.commands. ### conf.registerGroup(conf.supybot.commands, 'defaultPlugins', orderAlphabetically=True, help=utils.normalizeWhitespace("""Determines what commands have default plugins set, and which plugins are set to be the default for each of those commands.""")) conf.registerGroup(conf.supybot.commands, 'renames', orderAlphabetically=True) 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) def registerRename(plugin, command, newName): # XXX renames.plugin should have a list of the renames, so they can be # registered from that value. g = conf.registerGroup(conf.supybot.commands.renames, plugin) v = conf.registerGlobalValue(g, command, registry.String(newName, '')) v.setValue(newName) # In case it was already registered. return v def renameCommand(cb, name, newName): assert not hasattr(cb, newName), 'Cannot rename over existing attributes.' assert newName == callbacks.canonicalName(newName), \ 'newName must already be canonicalized.' if name != newName: method = getattr(cb.__class__, name) setattr(cb.__class__, newName, method) delattr(cb.__class__, name) registerDefaultPlugin('list', 'Misc') registerDefaultPlugin('help', 'Misc') registerDefaultPlugin('ignore', 'Admin') registerDefaultPlugin('reload', 'Owner') registerDefaultPlugin('unignore', 'Admin') registerDefaultPlugin('capabilities', 'User') registerDefaultPlugin('addcapability', 'Admin') registerDefaultPlugin('removecapability', 'Admin') class holder(object): pass # This is used so we can support a "log" command as well as a "self.log" # Logger. class LogProxy(object): """ Logs 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 Owner(privmsgs.CapabilityCheckingPrivmsg): # This plugin must be first; its priority must be lowest; otherwise odd # things will happen when adding callbacks. capability = 'owner' _srcPlugins = ircutils.IrcSet(('Admin', 'Channel', 'Config', 'Misc', 'Owner', 'User')) def __init__(self, *args, **kwargs): self.__parent = super(Owner, self) self.__parent.__init__() # Setup log object/command. self.log = LogProxy(self.log) # Setup command flood detection. self.commands = ircutils.FloodQueue(60) # Setup exec command. setattr(self.__class__, 'exec', self.__class__._exec) # Setup Irc objects, connected to networks. If world.ircs is already # populated, chances are that we're being reloaded, so don't do this. if not world.ircs: for network in conf.supybot.networks(): try: self._connect(network) except socket.error, e: self.log.error('Could not connect to %s: %s.', network, e) except Exception, e: self.log.exception('Exception connecting to %s:', network) self.log.error('Could not connect to %s: %s.', network, e) # Setup plugins and default plugins for commands. for (name, s) in registry._cache.iteritems(): if name.startswith('supybot.plugins'): try: (_, _, name) = registry.split(name) except ValueError: # unpack list of wrong size. continue # This is just for the prettiness of the configuration file. # There are no plugins that are all-lowercase, so we'll at # least attempt to capitalize them. if name == name.lower(): name = name.capitalize() conf.registerPlugin(name) if name.startswith('supybot.commands.defaultPlugins'): try: (_, _, _, name) = registry.split(name) except ValueError: # unpack list of wrong size. continue registerDefaultPlugin(name, s) def callPrecedence(self, irc): return ([], [cb for cb in irc.callbacks if cb is not self]) def outFilter(self, irc, msg): if msg.command == 'PRIVMSG' and not world.testing: if ircutils.strEqual(msg.args[0], irc.nick): self.log.warning('Tried to send a message to myself: %r.', msg) return None return msg def isCommand(self, name): return name == 'log' or \ self.__parent.isCommand(name) def reset(self): # This has to be done somewhere, I figure here is as good place as any. callbacks.Privmsg._mores.clear() self.__parent.reset() def _connect(self, network, serverPort=None): try: group = conf.supybot.networks.get(network) (server, port) = group.servers()[0] except (registry.NonExistentRegistryEntry, IndexError): if serverPort is None: raise ValueError, 'connect requires a (server, port) ' \ 'if the network is not registered.' conf.registerNetwork(network) serverS = '%s:%s' % serverPort conf.supybot.networks.get(network).servers.append(serverS) assert conf.supybot.networks.get(network).servers() self.log.info('Creating new Irc for %s.', network) newIrc = irclib.Irc(network) for irc in world.ircs: if irc != newIrc: newIrc.state.history = irc.state.history driver = drivers.newDriver(newIrc) return newIrc def do001(self, irc, msg): self.log.info('Loading plugins.') alwaysLoadSrcPlugins = conf.supybot.plugins.alwaysLoadDefault() for (name, value) in conf.supybot.plugins.getValues(fullNames=False): if name.lower() in ('owner', 'alwaysloaddefault'): continue if irc.getCallback(name) is None: load = value() if not load and name in self._srcPlugins: if alwaysLoadSrcPlugins: s = '%s is configured not to be loaded, but is being '\ 'loaded anyway because ' \ 'supybot.plugins.alwaysLoadDefault is True.' self.log.warning(s, name) load = True if load: if not irc.getCallback(name): # This is debug because each log logs its beginning. self.log.debug('Loading %s.' % name) try: m = loadPluginModule(name) loadPluginClass(irc, m) except callbacks.Error, e: # This is just an error message. log.warning(str(e)) except ImportError, e: log.warning('Failed to load %s: %s', name, e) if name in self._srcPlugins: self.log.exception('Error loading %s:', name) self.log.error('Error loading src/ plugin %s. ' 'This is usually rather ' 'serious; these plugins are ' 'almost always be loaded.',name) 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: if callbacks.canonicalName(name) != command: # We don't insert the dispatcher name here because # it's handled later. Man, this stuff is a mess. tokens.insert(0, srcs[0]) elif command not in map(callbacks.canonicalName, names): ambiguousCommands[command] = names for elt in tokens: if isinstance(elt, list): self.disambiguate(irc, elt, ambiguousCommands) return ambiguousCommands def ambiguousError(self, irc, msg, 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)) def processTokens(self, irc, msg, tokens): ambiguousCommands = self.disambiguate(irc, tokens) if ambiguousCommands: self.ambiguousError(irc, msg, ambiguousCommands) else: callbacks.IrcObjectProxy(irc, msg, tokens) def do376(self, irc, msg): channels = ircutils.IrcSet(conf.supybot.channels()) channels |= conf.supybot.networks.get(irc.network).channels() channels = list(channels) if not channels: return utils.sortBy(lambda s: ',' not in s, channels) keys = [] chans = [] for channel in channels: if ',' in channel: (channel, key) = channel.split(',', 1) chans.append(channel) keys.append(key) else: chans.append(channel) irc.queueMsg(ircmsgs.joins(chans, keys)) do422 = do377 = do376 def doPrivmsg(self, irc, msg): assert self is irc.callbacks[0], 'Owner isn\'t first callback.' if ircmsgs.isCtcp(msg): return s = callbacks.addressed(irc.nick, msg) if s: ignored = ircdb.checkIgnored(msg.prefix) if ignored: self.log.info('Ignoring command from %s.' % msg.prefix) return brackets = conf.supybot.reply.brackets.get(msg.args[0])() try: tokens = callbacks.tokenize(s, brackets=brackets) 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: irc.queueMsg(callbacks.error(msg, str(e))) if conf.allowEval: _evalEnv = {'_': None, '__': None, '___': None, } _evalEnv.update(globals()) def eval(self, irc, msg, args): """ Evaluates (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: self._evalEnv.update(locals()) x = eval(s, self._evalEnv, self._evalEnv) self._evalEnv['___'] = self._evalEnv['__'] self._evalEnv['__'] = self._evalEnv['_'] self._evalEnv['_'] = x irc.reply(repr(x)) except SyntaxError, e: irc.reply('%s: %r' % (utils.exnToString(e), s)) except Exception, e: irc.reply(utils.exnToString(e)) else: # There's a potential that allowEval got changed after we were # loaded. Let's be extra-special-safe. irc.error('You must run Supybot with the --allow-eval ' 'option for this command to be enabled.') def _exec(self, irc, msg, args): """ Execs . 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: # There's a potential that allowEval got changed after we were # loaded. Let's be extra-special-safe. 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): """ Sends 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] [] Sets the default plugin for to . If --remove is given, removes the current default plugin for . If no plugin is given, returns the current default plugin set for . """ 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: try: conf.supybot.commands.defaultPlugins.unregister(command) irc.replySuccess() except registry.NonExistentRegistryEntry: s = 'I don\'t have a default plugin set for that command.' irc.error(s) elif not cbs: irc.errorInvalid('command', command, Raise=True) elif plugin: cb = irc.getCallback(plugin) if cb is None: irc.errorInvalid('plugin', plugin, Raise=True) 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): """ 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): """[] Exits the bot with the QUIT message . If is not given, your nick will be substituted. """ text = privmsgs.getArgs(args, required=0, optional=1) if not text: text = msg.nick m = ircmsgs.quit(text) world.upkeep() for irc in world.ircs[:]: irc.queueMsg(m) irc.die() 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): """[] Runs the standard upkeep stuff (flushes and gc.collects()). If given a level, runs that level of upkeep (currently, the only supported level is "high", which causes the bot to flush a lot of caches as well as do normal upkeep stuff. """ level = privmsgs.getArgs(args, required=0, optional=1) L = [] if level == 'high': L.append('Regexp cache flushed: %s cleared.' % utils.nItems('regexp', len(sre._cache))) sre.purge() L.append('Pattern cache flushed: %s cleared.' % utils.nItems('compiled pattern', len(ircutils._patternCache))) ircutils._patternCache.clear() L.append('hostmaskPatternEqual cache flushed: %s cleared.' % utils.nItems('result', len(ircutils._hostmaskPatternEqualCache))) ircutils._hostmaskPatternEqualCache.clear() L.append('ircdb username cache flushed: %s cleared.' % utils.nItems('username to id mapping', len(ircdb.users._nameCache))) ircdb.users._nameCache.clear() L.append('ircdb hostmask cache flushed: %s cleared.' % utils.nItems('hostmask to id mapping', len(ircdb.users._hostmaskCache))) ircdb.users._hostmaskCache.clear() L.append('linecache line cache flushed: %s cleared.' % utils.nItems('line', len(linecache.cache))) linecache.clearcache() sys.exc_clear() collected = world.upkeep() if gc.garbage: L.append('Garbage! %r.' % gc.garbage) L.append('%s collected.' % utils.nItems('object', collected)) irc.reply(' '.join(L)) def load(self, irc, msg, args): """[--deprecated] Loads the 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('%s is already loaded.' % name.capitalize()) return try: module = loadPluginModule(name, ignoreDeprecation) except Deprecated: irc.error('%s is deprecated. Use --deprecated ' 'to force it to load.' % name.capitalize()) return except ImportError, e: if name in str(e): irc.error('No plugin named %s exists.' % utils.dqrepr(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): """ 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() # This makes sure the callback is collected. 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 plugin %s.' % name) def unload(self, irc, msg, args): """ Unloads the callback by name; use the 'list' command to see a list of the currently loaded callbacks. Obviously, the Owner plugin can't be unloaded. """ name = privmsgs.getArgs(args) if ircutils.strEqual(name, self.name()): irc.error('You can\'t unload the %s plugin.' % name) return # Let's do this so even if the plugin isn't currently loaded, it doesn't # stay attempting to load. conf.registerPlugin(name, False) callbacks = irc.removeCallback(name) if callbacks: for callback in callbacks: callback.die() del callback gc.collect() irc.replySuccess() else: irc.error('There was no plugin %s.' % name) def defaultcapability(self, irc, msg, args): """{add|remove} Adds or removes (according to the first argument) from the default capabilities given to users (the configuration variable supybot.capabilities stores these). """ (action, capability) = privmsgs.getArgs(args, required=2) if action == 'add': conf.supybot.capabilities().add(capability) irc.replySuccess() elif action == 'remove': try: conf.supybot.capabilities().remove(capability) irc.replySuccess() except KeyError: if ircdb.isAntiCapability(capability): irc.error('That capability wasn\'t in ' 'supybot.capabilities.') else: anticap = ircdb.makeAntiCapability(capability) conf.supybot.capabilities().add(anticap) irc.replySuccess() else: irc.errorInvalid('action to take', action, 'Valid actions include "add" and "remove".') def disable(self, irc, msg, args): """[] Disables the command for all users (including the owners). If is given, only disables the from . If you want to disable a command for most users but not for yourself, set a default capability of -plugin.command or -command (if you want to disable the command in all plugins). """ (plugin, command) = privmsgs.getArgs(args, optional=1) if not command: (plugin, command) = (None, plugin) conf.supybot.commands.disabled().add(command) else: conf.supybot.commands.disabled().add('%s.%s' % (plugin, command)) if command in ('enable', 'identify'): irc.error('You can\'t disable %s.' % command) else: self._disabled.add(command, plugin) irc.replySuccess() def enable(self, irc, msg, args): """[] Enables the command for all users. If if given, only enables the from . This command is the inverse of disable. """ (plugin, command) = privmsgs.getArgs(args, optional=1) try: if not command: (plugin, command) = (None, plugin) conf.supybot.commands.disabled().remove(command) else: name = '%s.%s' % (plugin, command) conf.supybot.commands.disabled().remove(name) self._disabled.remove(command, plugin) irc.replySuccess() except KeyError: irc.error('That command wasn\'t disabled.') def rename(self, irc, msg, args): """ Renames in to the . """ (plugin, command, newName) = privmsgs.getArgs(args, required=3) name = callbacks.canonicalName(newName) if name != newName: irc.errorInvalid('command name', name, 'Try making it lowercase and removing dashes ' 'and underscores.', Raise=True) cb = irc.getCallback(plugin) if cb is None: irc.errorInvalid('plugin', plugin, Raise=True) if not cb.isCommand(command): what = 'command in the %s plugin' % plugin irc.errorInvalid(what, name, Raise=True) if hasattr(cb, name): irc.error('The %s plugin already has an attribute named %s.' % (plugin, name)) return registerRename(cb.name(), command, name) renameCommand(cb, command, newName) irc.replySuccess() def unrename(self, irc, msg, args): """ Removes all renames in . The plugin will be reloaded after this command is run. """ plugin = privmsgs.getArgs(args) try: conf.supybot.commands.renames.unregister(plugin) except registry.NonExistentRegistryEntry: irc.errorInvalid('plugin', plugin, Raise=True) self.reload(irc, msg, args) # This makes the replySuccess. Class = Owner # vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: