Limnoria/plugins/Config/plugin.py

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