Limnoria/plugins/Misc/plugin.py

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###
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# Copyright (c) 2002-2005, Jeremiah Fincher
# Copyright (c) 2009, James Vega
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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.
###
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import re
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import os
import sys
import time
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import supybot
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import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.ircdb as ircdb
import supybot.irclib as irclib
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
from supybot import commands
from supybot.utils.iter import ifilter
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('Misc')
class RegexpTimeout(Exception):
pass
class Misc(callbacks.Plugin):
def __init__(self, irc):
self.__parent = super(Misc, self)
self.__parent.__init__(irc)
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self.invalidCommands = ircutils.FloodQueue(60)
def callPrecedence(self, irc):
return ([cb for cb in irc.callbacks if cb is not self], [])
def invalidCommand(self, irc, msg, tokens):
assert not msg.repliedTo, 'repliedTo msg in Misc.invalidCommand.'
assert self is irc.callbacks[-1], 'Misc isn\'t last callback.'
self.log.debug('Misc.invalidCommand called (tokens %s)', tokens)
# First, we check for invalidCommand floods. This is rightfully done
# here since this will be the last invalidCommand called, and thus it
# will only be called if this is *truly* an invalid command.
maximum = conf.supybot.abuse.flood.command.invalid.maximum()
self.invalidCommands.enqueue(msg)
if self.invalidCommands.len(msg) > maximum and \
conf.supybot.abuse.flood.command.invalid() and \
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not ircdb.checkCapability(msg.prefix, 'owner'):
punishment = conf.supybot.abuse.flood.command.invalid.punishment()
banmask = '*!%s@%s' % (msg.user, msg.host)
self.log.info('Ignoring %s for %s seconds due to an apparent '
'invalid command flood.', banmask, punishment)
if tokens and tokens[0] == 'Error:':
self.log.warning('Apparent error loop with another Supybot '
'observed. Consider ignoring this bot '
'permanently.')
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ircdb.ignores.add(banmask, time.time() + punishment)
if conf.supybot.abuse.flood.command.invalid.notify():
irc.reply(_('You\'ve given me %s invalid commands within the last '
'minute; I\'m now ignoring you for %s.') %
(maximum,
utils.timeElapsed(punishment, seconds=False)))
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return
# Now, for normal handling.
channel = msg.args[0]
if conf.get(conf.supybot.reply.whenNotCommand, channel):
if len(tokens) >= 2:
cb = irc.getCallback(tokens[0])
if cb:
plugin = cb.name()
irc.error(format(_('The %q plugin is loaded, but there is '
'no command named %q in it. Try "list '
'%s" to see the commands in the %q '
'plugin.'), plugin, tokens[1],
plugin, plugin))
else:
irc.errorInvalid('command', tokens[0], repr=False)
else:
command = tokens and tokens[0] or ''
irc.errorInvalid('command', command, repr=False)
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else:
if tokens:
# echo [] will get us an empty token set, but there's no need
# to log this in that case anyway, it being a nested command.
self.log.info('Not replying to %s, not a command.', tokens[0])
if irc.nested:
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bracketConfig = conf.supybot.commands.nested.brackets
brackets = conf.get(bracketConfig, channel)
if brackets:
(left, right) = brackets
irc.reply(left + ' '.join(tokens) + right)
else:
pass # Let's just do nothing, I can't think of better.
@internationalizeDocstring
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def list(self, irc, msg, args, optlist, cb):
"""[--private] [<plugin>]
Lists the commands available in the given plugin. If no plugin is
given, lists the public plugins available. If --private is given,
lists the private plugins.
"""
private = False
for (option, argument) in optlist:
if option == 'private':
private = True
if not self.registryValue('listPrivatePlugins') and \
not ircdb.checkCapability(msg.prefix, 'owner'):
irc.errorNoCapability('owner')
if not cb:
def isPublic(cb):
name = cb.name()
return conf.supybot.plugins.get(name).public()
names = [cb.name() for cb in irc.callbacks
if (private and not isPublic(cb)) or
(not private and isPublic(cb))]
names.sort()
if names:
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irc.reply(format('%L', names))
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else:
if private:
irc.reply(_('There are no private plugins.'))
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else:
irc.reply(_('There are no public plugins.'))
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else:
commands = cb.listCommands()
if commands:
commands.sort()
irc.reply(format('%L', commands))
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else:
irc.reply(format(_('That plugin exists, but has no commands. '
'This probably means that it has some '
'configuration variables that can be '
'changed in order to modify its behavior. '
'Try "config list supybot.plugins.%s" to see '
'what configuration variables it has.'),
cb.name()))
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list = wrap(list, [getopts({'private':''}), additional('plugin')])
@internationalizeDocstring
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def apropos(self, irc, msg, args, s):
"""<string>
Searches for <string> in the commands currently offered by the bot,
returning a list of the commands containing that string.
"""
commands = {}
L = []
for cb in irc.callbacks:
if isinstance(cb, callbacks.Plugin):
for command in cb.listCommands():
if s in command:
commands.setdefault(command, []).append(cb.name())
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for (key, names) in commands.iteritems():
for name in names:
L.append('%s %s' % (name, key))
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if L:
L.sort()
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irc.reply(format('%L', L))
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else:
irc.reply(_('No appropriate commands were found.'))
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apropos = wrap(apropos, ['lowered'])
@internationalizeDocstring
def help(self, irc, msg, args, command):
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"""[<plugin>] [<command>]
This command gives a useful description of what <command> does.
<plugin> is only necessary if the command is in more than one plugin.
"""
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command = map(callbacks.canonicalName, command)
(maxL, cbs) = irc.findCallbacksForArgs(command)
if maxL == command:
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if len(cbs) > 1:
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names = sorted([cb.name() for cb in cbs])
irc.error(format(_('That command exists in the %L plugins. '
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'Please specify exactly which plugin command '
'you want help with.'), names))
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else:
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assert cbs, 'Odd, maxL == command, but no cbs.'
irc.reply(_.__call__(cbs[0].getCommandHelp(command, False)))
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else:
irc.error(format(_('There is no command %q.'),
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callbacks.formatCommand(command)))
help = wrap(help, [many('something')])
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@internationalizeDocstring
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def version(self, irc, msg, args):
"""takes no arguments
Returns the version of the current bot.
"""
try:
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newestUrl = 'https://github.com/ProgVal/Limnoria/raw/%s/' + \
'src/version.py'
versions = {}
for branch in ('master', 'testing'):
file = utils.web.getUrl(newestUrl % branch)
match = re.search(r"^version = '([^']+)'$", file, re.M)
if match is None:
continue
versions[branch] = match.group(1)
newest = _('The newest versions available online are %s.') % \
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', '.join([_('%s (in %s)') % (y,x)
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for x,y in versions.items()])
except utils.web.Error, e:
self.log.info('Couldn\'t get website version: %s', e)
newest = _('I couldn\'t fetch the newest version '
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'from the Limnoria repository.')
s = _('The current (running) version of this Supybot is %s. %s') % \
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(conf.version, newest)
irc.reply(s)
version = wrap(thread(version))
@internationalizeDocstring
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def source(self, irc, msg, args):
"""takes no arguments
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Returns a URL saying where to get Limnoria.
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"""
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irc.reply(_('My source is at https://github.com/ProgVal/Limnoria'))
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source = wrap(source)
@internationalizeDocstring
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def more(self, irc, msg, args, nick):
"""[<nick>]
If the last command was truncated due to IRC message length
limitations, returns the next chunk of the result of the last command.
If <nick> is given, it takes the continuation of the last command from
<nick> instead of the person sending this message.
"""
userHostmask = msg.prefix.split('!', 1)[1]
if nick:
try:
(private, L) = irc._mores[nick]
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if not private:
irc._mores[userHostmask] = L[:]
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else:
irc.error(_('%s has no public mores.') % nick)
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return
except KeyError:
irc.error(_('Sorry, I can\'t find any mores for %s') % nick)
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return
try:
L = irc._mores[userHostmask]
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chunk = L.pop()
if L:
if len(L) < 2:
more = _('more message')
else:
more = _('more messages')
chunk += format(' \x02(%s)\x0F', more)
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irc.reply(chunk, True)
except KeyError:
irc.error(_('You haven\'t asked me a command; perhaps you want '
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'to see someone else\'s more. To do so, call this '
'command with that person\'s nick.'))
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except IndexError:
irc.error(_('That\'s all, there is no more.'))
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more = wrap(more, [additional('seenNick')])
def _validLastMsg(self, msg):
return msg.prefix and \
msg.command == 'PRIVMSG' and \
ircutils.isChannel(msg.args[0])
@internationalizeDocstring
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def last(self, irc, msg, args, optlist):
"""[--{from,in,on,with,without,regexp} <value>] [--nolimit]
Returns the last message matching the given criteria. --from requires
a nick from whom the message came; --in requires a channel the message
was sent to; --on requires a network the message was sent on; --with
requires some string that had to be in the message; --regexp requires
a regular expression the message must match; --nolimit returns all
the messages that can be found. By default, the channel this command is
given in is searched.
"""
predicates = {}
nolimit = False
skipfirst = True
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if ircutils.isChannel(msg.args[0]):
predicates['in'] = lambda m: ircutils.strEqual(m.args[0],
msg.args[0])
else:
skipfirst = False
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for (option, arg) in optlist:
if option == 'from':
def f(m, arg=arg):
return ircutils.hostmaskPatternEqual(arg, m.nick)
predicates['from'] = f
elif option == 'in':
def f(m, arg=arg):
return ircutils.strEqual(m.args[0], arg)
predicates['in'] = f
if arg != msg.args[0]:
skipfirst = False
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elif option == 'on':
def f(m, arg=arg):
return m.receivedOn == arg
predicates['on'] = f
elif option == 'with':
def f(m, arg=arg):
return arg.lower() in m.args[1].lower()
predicates.setdefault('with', []).append(f)
elif option == 'without':
def f(m, arg=arg):
return arg.lower() not in m.args[1].lower()
predicates.setdefault('without', []).append(f)
elif option == 'regexp':
def f(m, arg=arg):
def f1(s, arg):
"""Since we can't enqueue match objects into the multiprocessing queue,
we'll just wrap the function to return bools."""
if arg.search(s) is not None:
return True
else:
return False
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if ircmsgs.isAction(m):
m1 = ircmsgs.unAction(m)
#return arg.search(ircmsgs.unAction(m))
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else:
m1 = m.args[1]
#return arg.search(m.args[1])
try:
# use a subprocess here, since specially crafted regexps can
# take exponential time and hang up the bot.
# timeout of 0.1 should be more than enough for any normal regexp.
v = commands.process(f1, m1, arg, timeout=0.1, pn=self.name(), cn='last')
return v
except commands.ProcessTimeoutError:
return False
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predicates.setdefault('regexp', []).append(f)
elif option == 'nolimit':
nolimit = True
iterable = ifilter(self._validLastMsg, reversed(irc.state.history))
if skipfirst:
# Drop the first message only if our current channel is the same as
# the channel we've been instructed to look at.
iterable.next()
predicates = list(utils.iter.flatten(predicates.itervalues()))
# Make sure the user can't get messages from channels they aren't in
def userInChannel(m):
return m.args[0] in irc.state.channels \
and msg.nick in irc.state.channels[m.args[0]].users
predicates.append(userInChannel)
# Make sure the user can't get messages from a +s channel unless
# they're calling the command from that channel or from a query
def notSecretMsg(m):
return not irc.isChannel(msg.args[0]) \
or msg.args[0] == m.args[0] \
or (m.args[0] in irc.state.channels \
and 's' not in irc.state.channels[m.args[0]].modes)
predicates.append(notSecretMsg)
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resp = []
if irc.nested and not \
self.registryValue('last.nested.includeTimestamp'):
tsf = None
else:
tsf = self.registryValue('timestampFormat')
if irc.nested and not self.registryValue('last.nested.includeNick'):
showNick = False
else:
showNick = True
for m in iterable:
for predicate in predicates:
try:
if not predicate(m):
break
except RegexpTimeout:
irc.error(_('The regular expression timed out.'))
return
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else:
if nolimit:
resp.append(ircmsgs.prettyPrint(m,
timestampFormat=tsf,
showNick=showNick))
else:
irc.reply(ircmsgs.prettyPrint(m,
timestampFormat=tsf,
showNick=showNick))
return
if not resp:
irc.error(_('I couldn\'t find a message matching that criteria in '
'my history of %s messages.') % len(irc.state.history))
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else:
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irc.reply(format('%L', resp))
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last = wrap(last, [getopts({'nolimit': '',
'on': 'something',
'with': 'something',
'from': 'something',
'without': 'something',
'in': 'callerInGivenChannel',
'regexp': 'regexpMatcher',})])
@internationalizeDocstring
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def tell(self, irc, msg, args, target, text):
"""<nick> <text>
Tells the <nick> whatever <text> is. Use nested commands to your
benefit here.
"""
if target.lower() == 'me':
target = msg.nick
if ircutils.isChannel(target):
irc.error(_('Dude, just give the command. No need for the tell.'))
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return
if not ircutils.isNick(target):
irc.errorInvalid('nick', target)
if ircutils.nickEqual(target, irc.nick):
irc.error(_('You just told me, why should I tell myself?'),
Raise=True)
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if target not in irc.state.nicksToHostmasks and \
not ircdb.checkCapability(msg.prefix, 'owner'):
# We'll let owners do this.
s = _('I haven\'t seen %s, I\'ll let you do the telling.') % target
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irc.error(s, Raise=True)
if irc.action:
irc.action = False
text = '* %s %s' % (irc.nick, text)
s = _('%s wants me to tell you: %s') % (msg.nick, text)
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irc.reply(s, to=target, private=True)
irc.replySuccess()
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tell = wrap(tell, ['something', 'text'])
@internationalizeDocstring
def ping(self, irc, msg, args):
"""takes no arguments
Checks to see if the bot is alive.
"""
irc.reply(_('pong'), prefixNick=False)
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Class = Misc
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: