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feeded6135
Config.{set,get,default} should only be called on settable config
variables. Detect whether the given argument is settable and emit an
error if not. This avoids an uncaught exception.
276 lines
10 KiB
Python
276 lines
10 KiB
Python
###
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# Copyright (c) 2002-2005, Jeremiah Fincher
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# Copyright (c) 2009, James Vega
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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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import os
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import signal
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import supybot.log as log
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.world as world
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import supybot.ircdb as ircdb
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from supybot.commands import *
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from supybot.utils.iter import all
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import supybot.ircutils as ircutils
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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###
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# Now, to setup the registry.
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###
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def getWrapper(name):
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parts = registry.split(name)
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if not parts or parts[0] not in ('supybot', 'users'):
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raise InvalidRegistryName, name
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group = getattr(conf, parts.pop(0))
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while parts:
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try:
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group = group.get(parts.pop(0))
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# We'll catch registry.InvalidRegistryName and re-raise it here so
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# that we have a useful error message for the user.
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except (registry.NonExistentRegistryEntry,
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registry.InvalidRegistryName):
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raise registry.InvalidRegistryName, name
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return group
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def getCapability(name):
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capability = 'owner' # Default to requiring the owner capability.
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parts = registry.split(name)
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while parts:
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part = parts.pop()
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if ircutils.isChannel(part):
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# If a registry value has a channel in it, it requires a channel.op
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# capability, or so we assume. We'll see if we're proven wrong.
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capability = ircdb.makeChannelCapability(part, 'op')
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### Do more later, for specific capabilities/sections.
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return capability
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def _reload():
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ircdb.users.reload()
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ircdb.ignores.reload()
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ircdb.channels.reload()
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registry.open(world.registryFilename)
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def _hupHandler(sig, frame):
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log.info('Received SIGHUP, reloading configuration.')
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_reload()
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if os.name == 'posix':
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signal.signal(signal.SIGHUP, _hupHandler)
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def getConfigVar(irc, msg, args, state):
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name = args[0]
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if name.startswith('conf.'):
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name = name[5:]
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if not name.startswith('supybot') and not name.startswith('users'):
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name = 'supybot.' + name
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try:
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group = getWrapper(name)
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state.args.append(group)
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del args[0]
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except registry.InvalidRegistryName, e:
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state.errorInvalid('configuration variable', str(e))
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addConverter('configVar', getConfigVar)
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def getSettableConfigVar(irc, msg, args, state):
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getConfigVar(irc, msg, args, state)
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if not hasattr(state.args[-1], 'set'):
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state.errorInvalid('settable configuration variable',
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state.args[-1]._name)
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addConverter('settableConfigVar', getSettableConfigVar)
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class Config(callbacks.Plugin):
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def callCommand(self, command, irc, msg, *args, **kwargs):
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try:
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super(Config, self).callCommand(command, irc, msg, *args, **kwargs)
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except registry.InvalidRegistryValue, e:
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irc.error(str(e))
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def _list(self, group):
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L = []
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for (vname, v) in group._children.iteritems():
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if hasattr(group, 'channelValue') and group.channelValue and \
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ircutils.isChannel(vname) and not v._children:
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continue
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if hasattr(v, 'channelValue') and v.channelValue:
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vname = '#' + vname
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if v._added and not all(ircutils.isChannel, v._added):
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vname = '@' + vname
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L.append(vname)
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utils.sortBy(str.lower, L)
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return L
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def list(self, irc, msg, args, group):
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"""<group>
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Returns the configuration variables available under the given
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configuration <group>. If a variable has values under it, it is
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preceded by an '@' sign. If a variable is a 'ChannelValue', that is,
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it can be separately configured for each channel using the 'channel'
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command in this plugin, it is preceded by an '#' sign.
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"""
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L = self._list(group)
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if L:
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irc.reply(format('%L', L))
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else:
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irc.error('There don\'t seem to be any values in %s.' % group._name)
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list = wrap(list, ['configVar'])
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def search(self, irc, msg, args, word):
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"""<word>
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Searches for <word> in the current configuration variables.
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"""
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L = []
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for (name, _) in conf.supybot.getValues(getChildren=True):
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if word in name.lower():
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possibleChannel = registry.split(name)[-1]
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if not ircutils.isChannel(possibleChannel):
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L.append(name)
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if L:
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irc.reply(format('%L', L))
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else:
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irc.reply('There were no matching configuration variables.')
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search = wrap(search, ['lowered']) # XXX compose with withoutSpaces?
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def _getValue(self, irc, msg, group):
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value = str(group) or ' '
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if hasattr(group, 'value'):
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if not group._private:
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irc.reply(value)
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else:
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capability = getCapability(group._name)
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if ircdb.checkCapability(msg.prefix, capability):
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irc.reply(value, private=True)
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else:
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irc.errorNoCapability(capability)
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else:
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irc.error('That registry variable has no value. Use the list '
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'command in this plugin to see what variables are '
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'available in this group.')
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def _setValue(self, irc, msg, group, value):
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capability = getCapability(group._name)
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if ircdb.checkCapability(msg.prefix, capability):
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# I think callCommand catches exceptions here. Should it?
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group.set(value)
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irc.replySuccess()
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else:
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irc.errorNoCapability(capability)
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def channel(self, irc, msg, args, channel, group, value):
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"""[<channel>] <name> [<value>]
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If <value> is given, sets the channel configuration variable for <name>
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to <value> for <channel>. Otherwise, returns the current channel
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configuration value of <name>. <channel> is only necessary if the
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message isn't sent in the channel itself."""
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if not group.channelValue:
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irc.error('That configuration variable is not a channel-specific '
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'configuration variable.')
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return
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group = group.get(channel)
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if value is not None:
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self._setValue(irc, msg, group, value)
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else:
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self._getValue(irc, msg, group)
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channel = wrap(channel, ['channel', 'settableConfigVar',
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additional('text')])
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def config(self, irc, msg, args, group, value):
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"""<name> [<value>]
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If <value> is given, sets the value of <name> to <value>. Otherwise,
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returns the current value of <name>. You may omit the leading
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"supybot." in the name if you so choose.
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"""
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if value is not None:
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self._setValue(irc, msg, group, value)
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else:
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self._getValue(irc, msg, group)
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config = wrap(config, ['settableConfigVar', additional('text')])
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def help(self, irc, msg, args, group):
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"""<name>
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Returns the description of the configuration variable <name>.
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"""
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if hasattr(group, '_help'):
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s = group.help()
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if s:
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if hasattr(group, 'value') and not group._private:
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s += ' (Current value: %s)' % group
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irc.reply(s)
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else:
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irc.reply('That configuration group exists, but seems to have '
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'no help. Try "config list %s" to see if it has '
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'any children values.' % group._name)
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else:
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irc.error('%s has no help.' % group._name)
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help = wrap(help, ['configVar'])
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def default(self, irc, msg, args, group):
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"""<name>
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Returns the default value of the configuration variable <name>.
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"""
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v = group.__class__(group._default, '')
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irc.reply(str(v))
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default = wrap(default, ['settableConfigVar'])
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def reload(self, irc, msg, args):
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"""takes no arguments
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Reloads the various configuration files (user database, channel
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database, registry, etc.).
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"""
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_reload() # This was factored out for SIGHUP handling.
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irc.replySuccess()
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reload = wrap(reload, [('checkCapability', 'owner')])
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def export(self, irc, msg, args, filename):
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"""<filename>
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Exports the public variables of your configuration to <filename>.
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If you want to show someone your configuration file, but you don't
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want that person to be able to see things like passwords, etc., this
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command will export a "sanitized" configuration file suitable for
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showing publicly.
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"""
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registry.close(conf.supybot, filename, private=False)
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irc.replySuccess()
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export = wrap(export, [('checkCapability', 'owner'), 'filename'])
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Class = Config
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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