Limnoria/src/conf.py

#!/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.
###

__revision__ = "$Id$"

import fix

import os
import sys
import socket
import string

import utils
import registry
import ircutils

installDir = os.path.dirname(os.path.dirname(sys.modules[__name__].__file__))
_srcDir = os.path.join(installDir, 'src')
_pluginsDir = os.path.join(installDir, 'plugins')

###
# version: This should be pretty obvious.
###
version ='0.77.2+cvs'

###
# daemonized: This determines whether or not the bot has been daemonized
#             (i.e., set to run in the background).  Obviously, this defaults
#             to False.
###
daemonized = False

###
# allowEval: True if the owner (and only the owner) should be able to eval
#            arbitrary Python code.  This is specifically *not* a registry
#            variable because it shouldn't be modifiable in the bot.
###
allowEval = False

###
# The standard registry.
###
supybot = registry.Group()
supybot.setName('supybot')

def registerGroup(Group, name, group=None):
    Group.register(name, group)

def registerGlobalValue(group, name, value):
    group.register(name, value)

def registerChannelValue(group, name, value):
    value.supplyDefault = True
    group.register(name, value)

def registerPlugin(name, currentValue=None):
    registerGlobalValue(supybot.plugins, name,
        registry.Boolean(False, """Determines whether this plugin is loaded by
        default.""", showDefault=False))
    if currentValue is not None:
        supybot.plugins.get(name).setValue(currentValue)
    registerGroup(users.plugins, name)

###
# The user info registry.
###
users = registry.Group()
users.setName('users')
registerGroup(users, 'plugins')

def registerUserValue(group, name, value):
    assert group.name.startswith('users')
    value.supplyDefault = True
    group.register(name, value)


class ValidNick(registry.String):
    """Value must be a valid IRC nick."""
    def setValue(self, v):
        if not ircutils.isNick(v):
            self.error()
        else:
            registry.String.setValue(self, v)

class ValidChannel(registry.String):
    """Value must be a valid IRC channel name."""
    def setValue(self, v):
        if ',' in v:
            (channel, _) = v.split(',', 1)
        else:
            channel = v
        if not ircutils.isChannel(channel):
            self.error()
        else:
            registry.String.setValue(self, v)

supybot.register('nick', ValidNick('supybot',
"""Determines the bot's nick."""))

supybot.register('ident', ValidNick('supybot',
"""Determines the bot's ident."""))

supybot.register('user', registry.String('supybot', """Determines the user
the bot sends to the server."""))

# TODO: Make this check for validity.
supybot.register('server', registry.String('irc.freenode.net', """Determines
what server the bot connects to."""))

supybot.register('password', registry.String('', """Determines the password to
be sent to the server if it requires one."""))

class SpaceSeparatedSetOfChannels(registry.SeparatedListOf):
    List = ircutils.IrcSet
    Value = ValidChannel
    def splitter(self, s):
        return s.split()
    joiner = ' '.join

    def removeChannel(self, channel):
        removals = []
        for c in self.value:
            chan = c
            if ',' in c:
                (chan, _) = c.split(',')
            if chan == channel:
                removals.append(c)
        for removal in removals:
            self.value.remove(discard)

supybot.register('channels', SpaceSeparatedSetOfChannels(['#supybot'], """
Determines what channels the bot will join when it connects to the server."""))

class ValidPrefixChars(registry.String):
    """Value must contain only ~!@#$%^&*()_-+=[{}]\\|'\";:,<.>/?"""
    def setValue(self, v):
        if v.translate(string.ascii, '`~!@#$%^&*()_-+=[{}]\\|\'";:,<.>/?'):
            self.error()
        registry.String.setValue(self, v)

supybot.register('prefixChars', ValidPrefixChars('', """Determines what prefix
characters the bot will reply to.  A prefix character is a single character
that the bot will use to determine what messages are addressed to it; when
there are no prefix characters set, it just uses its nick.  Each character in
this string is interpreted individually; you can have multiple prefixChars
simultaneously, and if any one of them is used as a prefix the bot will
assume it is being addressed."""))

supybot.register('defaultCapabilities',
registry.CommaSeparatedSetOfStrings(['-owner', '-admin', '-trusted'], """
These are the capabilities that are given to everyone by default.  If they are
normal capabilities, then the user will have to have the appropriate
anti-capability if you want to override these capabilities; if they are
anti-capabilities, then the user will have to have the actual capability to
override these capabilities.  See docs/CAPABILITIES if you don't understand
why these default to what they do."""))

supybot.register('defaultAllow', registry.Boolean(True, """Determines whether
the bot by default will allow users to run commands.  If this is disabled, a
user will have to have the capability for whatever command he wishes to run.
"""))

supybot.register('defaultIgnore', registry.Boolean(False, """Determines
whether the bot will ignore unregistered users by default.  Of course, that'll
make it particularly hard for those users to register with the bot, but that's
your problem to solve."""))

supybot.register('humanTimestampFormat', registry.String('%I:%M %p, %B %d, %Y',
"""Determines how timestamps printed for human reading should be formatted.
Refer to the Python documentation for the time module to see valid formatting
characteres for time formats."""))

class IP(registry.String):
    """Value must be a valid IP."""
    def setValue(self, v):
        if v and not (utils.isIP(v) or utils.isIPV6(v)):
            self.error()
        else:
            registry.String.setValue(self, v)
        
supybot.register('externalIP', IP('', """A string that is the external IP of
the bot.  If this is the empty string, the bot will attempt to find out its IP
dynamically (though sometimes that doesn't work, hence this variable)."""))

###
# Reply/error tweaking.
###
supybot.register('reply')
supybot.reply.register('truncate', registry.Boolean(False, """Determines
whether the bot will simply truncate messages instead of breaking up long
messages and using the 'more' command to get the remaining chunks."""))
supybot.reply.register('maximumMores', registry.PositiveInteger(50, """
Determines what the maximum number of chunks (for use with the 'more' command)
will be."""))

supybot.reply.register('oneToOne', registry.Boolean(True, """Determines whether
the bot will send multi-message replies in a single messsage or in multiple
messages.  For safety purposes (so the bot can't possibly flood) it will
normally send everything in a single message."""))

supybot.register('bracketSyntax', registry.Boolean(True, """Supybot allows
nested commands. If this option is enabled users can nest commands using a
bracket syntax, for example: 'bot: bar [foo]'."""))

class ValidBrackets(registry.OnlySomeStrings):
    validStrings = ('', '[]', '<>', '{}', '()')
    
supybot.register('brackets', ValidBrackets('[]', """Supybot allows you to
specify what brackets are used for your nested commands.  Valid sets of
brackets include [], <>, and {} ().  [] has strong historical motivation, as
well as being the brackets that don't require shift.  <> or () might be
slightly superior because they cannot occur in a nick."""))

supybot.register('pipeSyntax', registry.Boolean(False, """Supybot allows
nested commands. Enabling this option will allow nested commands with a syntax
similar to UNIX pipes, for example: 'bot: foo | bar'."""))

supybot.reply.register('whenNotCommand', registry.Boolean(True, """
Determines whether the bot will reply with an error message when it is
addressed but not given a valid command.  If this value is False, the bot
will remain silent."""))

supybot.reply.register('detailedErrors', registry.Boolean(False, """Determines
whether error messages that result from bugs in the bot will show a detailed
error message (the uncaught exception) or a generic error message."""))

supybot.reply.register('errorInPrivate', registry.Boolean(False, """
Determines whether the bot will send error messages to users in private.  You
might want to do this in order to keep channel traffic to minimum.  This can
be used in combination with supybot.reply.errorWithNotice."""))

supybot.reply.register('errorWithNotice', registry.Boolean(False, """
Determines whether the bot will send error messages to users via NOTICE instead
of PRIVMSG.  You might want to do this so users can ignore NOTICEs from the bot
and not have to see error messages; or you might want to use it in combination
with supybot.reply.errorInPrivate so private errors don't open a query window
in most IRC clients."""))

supybot.reply.register('noCapabilityError', registry.Boolean(False, """
Determines whether the bot will send an error message to users who attempt to
call a command for which they do not have the necessary capability.  You may
wish to make this True if you don't want users to understand the underlying
security system preventing them from running certain commands."""))

supybot.reply.register('withPrivateNotice', registry.Boolean(False, """
Determines whether the bot will reply with a private notice to users rather
than sending a message to a channel.  Private notices are particularly nice
because they don't generally cause IRC clients to open a new query window."""))

supybot.reply.register('withNickPrefix', registry.Boolean(True, """
Determines whether the bot will always prefix the user's nick to its reply to
that user's command."""))

supybot.reply.register('whenAddressedByNick', registry.Boolean(True, """
Determines whether the bot will reply when people address it by its nick,
rather than with a prefix character."""))

supybot.reply.register('whenNotAddressed', registry.Boolean(False, """
Determines whether the bot should attempt to reply to all messages even if they
don't address it (either via its nick or a prefix character).  If you set this
to True, you almost certainly want to set supybot.reply.whenNotCommand to
False."""))

supybot.reply.register('requireChannelCommandsToBeSentInChannel',
registry.Boolean(False, """Determines whether the bot will allow you to send
channel-related commands outside of that channel.  Sometimes people find it
confusing if a channel-related command (like Filter.outfilter) changes the
behavior of the channel but was sent outside the channel itself."""))

supybot.register('followIdentificationThroughNickChanges',
registry.Boolean(False, """Determines whether the bot will unidentify someone
when that person changes his or her nick.  Setting this to True will cause the
bot to track such changes.  It defaults to false for a little greater security.
"""))

supybot.register('alwaysJoinOnInvite', registry.Boolean(False, """Determines
whether the bot will always join a channel when it's invited.  If this value
is False, the bot will only join a channel if the user inviting it has the
'admin' capability (or if it's explicitly told to join the channel using the
Admin.join command)"""))

supybot.register('showSimpleSyntax', registry.Boolean(False, """Supybot
normally replies with the full help whenever a user misuses a command.  If this
value is set to True, the bot will only reply with the syntax of the command
(the first line of the docstring) rather than the full help."""))

###
# Replies
###
supybot.register('replies')

registerChannelValue(supybot.replies, 'success',
    registry.NormalizedString("""The operation succeeded.""", """Determines
    what message the bot replies with when a command succeeded."""))

registerChannelValue(supybot.replies, 'error',
    registry.NormalizedString("""An error has occurred and has been logged.
    Please contact this bot's administrator for more information.""", """
    Determines what error message the bot gives when it wants to be
    ambiguous."""))

registerChannelValue(supybot.replies, 'incorrectAuthentication',
    registry.NormalizedString("""Your hostmask doesn't match or your password
    is wrong.""", """Determines what message the bot replies with when someone
    tries to use a command that requires being identified or having a password
    and neither credential is correct."""))

registerChannelValue(supybot.replies, 'noUser',
    registry.NormalizedString("""I can't find that user in my user
    database.  If you didn't give a user name, then I might not know what your
    user is, and you'll need to identify before this command might work.""",
    """Determines what error message the bot replies with when someone tries
    to accessing some information on a user the bot doesn't know about."""))

registerChannelValue(supybot.replies, 'notRegistered',
    registry.NormalizedString("""You must be registered to use this command.
    If you are already registered, you must either identify (using the identify
    command) or add a hostmask matching your current hostmask (using the
    addhostmask command).""", """Determines what error message the bot replies
    with when someone tries to do something that requires them to be registered
    but they're not currently recognized."""))

registerChannelValue(supybot.replies, 'noCapability',
    registry.NormalizedString("""You don't have the %r capability.  If you
    think that you should have this capability, be sure that you are identified
    before trying again.  The 'whoami' command can tell you if you're
    identified.""", """Determines what error message is given when the bot is
    telling someone they aren't cool enough to use the command they tried to
    use."""))

registerChannelValue(supybot.replies, 'genericNoCapability',
    registry.NormalizedString("""You're missing some capability you need.
    This could be because you actually possess the anti-capability for the
    capability that's required of you, or because the channel provides that
    anti-capability by default, or because the global capabilities include
    that anti-capability.  Or, it could be because the channel or the global
    defaultAllow is set to False, meaning that no commands are allowed unless
    explicitly in your capabilities.  Either way, you can't do what you want
    to do.""", """Determines what generic error message is given when the bot
    is telling someone that they aren't cool enough to use the command they
    tried to use, and the author of the code calling errorNoCapability didn't
    provide an explicit capability for whatever reason."""))

registerChannelValue(supybot.replies, 'requiresPrivacy',
    registry.NormalizedString("""That operation cannot be done in a
    channel.""", """Determines what error messages the bot sends to people who
    try to do things in a channel that really should be done in private."""))

registerChannelValue(supybot.replies, 'possibleBug',
    registry.NormalizedString("""This may
    be a bug.  If you think it is, please file a bug report at
    <http://sourceforge.net/tracker/?func=add&group_id=58965&atid=489447>.""",
    """Determines what message the bot sends when it thinks you've encountered
    a bug that the developers don't know about."""))
###
# End supybot.replies.
###

supybot.register('nickmods', registry.CommaSeparatedListOfStrings(
    '__%s__,%s^,%s`,%s_,%s__,_%s,__%s,[%s]'.split(','),
    """A list of modifications to be made to a nick when the nick the bot tries
    to get from the server is in use.  There should be one %s in each string;
    this will get replaced with the original nick."""))

supybot.register('snarfThrottle', registry.Float(10.0, """A floating point
number of seconds to throttle snarfed URLs, in order to prevent loops between
two bots snarfing the same URLs and having the snarfed URL in the output of
the snarf message."""))

supybot.register('upkeepInterval', registry.PositiveInteger(3600, """Determines
the number of seconds between running the upkeep function that flushes
(commits) open databases, collects garbage, and records some useful statistics
at the debugging level."""))

supybot.register('flush', registry.Boolean(True, """Determines whether the bot
will periodically flush data and configuration files to disk.  Generally, the
only time you'll want to set this to False is when you want to modify those
configuration files by hand and don't want the bot to flush its current version
over your modifications.  Do note that if you change this to False inside the
bot, your changes won't be flushed.  To make this change permanent, you must
edit the registry yourself."""))

class SocketTimeout(registry.PositiveInteger):
    def setValue(self, v):
        registry.PositiveInteger.setValue(self, v)
        socket.setdefaulttimeout(self.value)
        
supybot.register('defaultSocketTimeout', SocketTimeout(10, """Determines what
the default timeout for socket objects will be.  This means that *all* sockets
will timeout when this many seconds has gone by (unless otherwise modified by
the author of the code that uses the sockets)."""))

supybot.register('pidFile', registry.String('', """Determines what file the bot
should write its PID (Process ID) to, so you can kill it more easily.  If it's
left unset (as is the default) then no PID file will be written.  A restart is
required for changes to this variable to take effect."""))

###
# supybot.drivers.  For stuff relating to Supybot's drivers (duh!)
###
registerGroup(supybot, 'drivers')
registerGlobalValue(supybot.drivers, 'poll',
    registry.Float(1.0, """Determines the default length of time a driver
    should block waiting for input."""))

class ValidDriverModule(registry.OnlySomeStrings):
    validStrings = ('default', 'socketDrivers',
                    'twistedDrivers', 'asyncoreDrivers')

registerGlobalValue(supybot.drivers, 'module',
    ValidDriverModule('default', """Determines what driver module the bot will
    use.  socketDrivers, a simple driver based on timeout sockets, is used by
    default because it's simple and stable.  asyncoreDrivers is a bit older
    (and less well-maintained) but allows you to integrate with asyncore-based
    applications.  twistedDrivers is very stable and simple, and if you've got
    Twisted installed, is probably your best bet."""))

###
# supybot.directories, for stuff relating to directories.
###
registerGroup(supybot, 'directories')
registerGlobalValue(supybot.directories, 'conf',
    registry.String('conf', """Determines what directory configuration data is
    put into."""))
registerGlobalValue(supybot.directories, 'data',
    registry.String('data', """Determines what directory data is put into."""))
registerGlobalValue(supybot.directories, 'plugins',
    registry.CommaSeparatedListOfStrings([_srcDir,_pluginsDir], """Determines
    what directories the bot will look for plugins in.  Accepts a
    comma-separated list of strings.  This means that to add another directory,
    you can nest the former value and add a new one.  E.g. you can say: bot:
    'config supybot.directories.plugins [config supybot.directories.plugins],
    newPluginDirectory'."""))

supybot.register('plugins') # This will be used by plugins, but not here.

###
# supybot.databases.  For stuff relating to Supybot's databases (duh!)
###
registerGroup(supybot, 'databases')
registerGroup(supybot.databases, 'users')
registerGlobalValue(supybot.databases.users, 'filename',
    registry.String('users.conf', """Determines what filename will be used for
    the users database.  This file will go into the directory specified by the
    supybot.directories.conf variable."""))
registerGlobalValue(supybot.databases.users, 'timeoutIdentification',
    registry.Integer(0, """Determines how long it takes identification to time
    out.  If the value is less than or equal to zero, identification never
    times out."""))
registerGlobalValue(supybot.databases.users, 'hash',
    registry.Boolean(True, """Determines whether the passwords in the user
    database will be hashed by default."""))

registerGroup(supybot.databases, 'ignores')
registerGlobalValue(supybot.databases.ignores, 'filename',
    registry.String('ignores.conf', """Determines what filename will be used
    for the ignores database.  This file will go into the directory specified
    by the supybot.directories.conf variable."""))

registerGroup(supybot.databases, 'channels')
registerGlobalValue(supybot.databases.channels, 'filename',
    registry.String('channels.conf', """Determines what filename will be used
    for the channels database.  This file will go into the directory specified
    by the supybot.directories.conf variable."""))

###
# Protocol information.
###
class StrictRfc(registry.Boolean):
    def __init__(self, *args, **kwargs):
        self.originalIsNick = ircutils.isNick
        registry.Boolean.__init__(self, *args, **kwargs)
        
    def setValue(self, v):
        registry.Boolean.setValue(self, v)
        # Now let's replace ircutils.isNick.
        if self.value:
            ircutils.isNick = self.originalIsNick
        else:
            def unstrictIsNick(s):
                return not ircutils.isChannel(s)
            ircutils.isNick = unstrictIsNick
        
registerGroup(supybot, 'protocols')
registerGroup(supybot.protocols, 'irc')
registerGlobalValue(supybot.protocols.irc, 'strictRfc',
    StrictRfc(False, """Determines whether the bot will strictly follow the
    RFC; currently this only affects what strings are considered to be nicks.
    If you're using a server or a network that requires you to message a nick
    such as services@this.network.server then you you should set this to
    False."""))

registerGlobalValue(supybot.protocols.irc, 'maxHistoryLength',
    registry.Integer(1000, """Determines how many old messages the bot will
    keep around in its history.  Changing this variable will not take effect
    until the bot is restarted."""))

registerGlobalValue(supybot.protocols.irc, 'throttleTime',
    registry.Float(1.0, """A floating point number of seconds to throttle
    queued messages -- that is, messages will not be sent faster than once per
    throttleTime seconds."""))

registerGlobalValue(supybot.protocols.irc, 'ping',
    registry.Boolean(True, """Determines whether the bot will send PINGs to the
    server it's connected to in order to keep the connection alive and discover
    earlier when it breaks.  Really, this option only exists for debugging
    purposes: you always should make it True unless you're testing some strange
    server issues."""))
registerGlobalValue(supybot.protocols.irc.ping, 'interval',
    registry.Integer(120, """Determines the number of seconds between sending
    pings to the server, if pings are being sent to the server."""))

registerGroup(supybot.protocols, 'http')
registerGlobalValue(supybot.protocols.http, 'peekSize',
    registry.PositiveInteger(4096, """Determines how many bytes the bot will
    'peek' at when looking through a URL for a doctype or title or something
    similar.  It'll give up after it reads this many bytes, even if it hasn't
    found what it was looking for."""))


###
# Debugging options.
###
registerGroup(supybot, 'debug')
registerGlobalValue(supybot.debug, 'threadAllCommands',
    registry.Boolean(False, """Determines whether the bot will automatically
    thread all commands."""))
registerGlobalValue(supybot.debug, 'flushVeryOften',
    registry.Boolean(False, """Determines whether the bot will automatically
    flush all flushers *very* often.  Useful for debugging when you don't know
    what's breaking or when, but think that it might be logged."""))

# Let's open this now since we've got our directories setup.
userdataFilename = os.path.join(supybot.directories.conf(), 'userdata.conf')
if not os.path.exists(userdataFilename):
    fd = file(userdataFilename, 'w')
    fd.write('\n')
    fd.close()
registry.open(userdataFilename)


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