mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-27 13:19:24 +01:00
253 lines
9.0 KiB
Python
253 lines
9.0 KiB
Python
#!/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.
|
|
###
|
|
|
|
"""
|
|
Allows 'aliases' for other commands.
|
|
"""
|
|
|
|
import plugins
|
|
|
|
import re
|
|
import sets
|
|
import types
|
|
|
|
import conf
|
|
import debug
|
|
import utils
|
|
import privmsgs
|
|
import callbacks
|
|
|
|
def configure(onStart, afterConnect, advanced):
|
|
# This will be called by setup.py to configure this module. onStart and
|
|
# afterConnect are both lists. Append to onStart the commands you would
|
|
# like to be run when the bot is started; append to afterConnect the
|
|
# commands you would like to be run when the bot has finished connecting.
|
|
from questions import expect, anything, something, yn
|
|
onStart.append('load Alias')
|
|
|
|
class AliasError(Exception):
|
|
pass
|
|
|
|
class RecursiveAlias(AliasError):
|
|
pass
|
|
|
|
def findAliasCommand(s, alias):
|
|
s = re.escape(s)
|
|
r = re.compile(r'(?:(^|\[)\s*\b%s\b|\|\s*\b%s\b)' % (s, s))
|
|
return bool(r.search(alias))
|
|
|
|
dollarRe = re.compile(r'\$(\d+)')
|
|
def findBiggestDollar(alias):
|
|
dollars = dollarRe.findall(alias)
|
|
dollars = map(int, dollars)
|
|
dollars.sort()
|
|
if dollars:
|
|
return dollars[-1]
|
|
else:
|
|
return 0
|
|
|
|
atRe = re.compile(r'@(\d+)')
|
|
def findBiggestAt(alias):
|
|
ats = atRe.findall(alias)
|
|
ats = map(int, ats)
|
|
ats.sort()
|
|
if ats:
|
|
return ats[-1]
|
|
else:
|
|
return 0
|
|
|
|
def makeNewAlias(name, alias):
|
|
original = alias
|
|
if findAliasCommand(name, alias):
|
|
raise RecursiveAlias
|
|
biggestDollar = findBiggestDollar(original)
|
|
biggestAt = findBiggestAt(original)
|
|
wildcard = '$*' in original
|
|
if biggestAt and wildcard:
|
|
raise AliasError, 'Can\'t mix $* and optional args (@1, etc.)'
|
|
if original.count('$*') > 1:
|
|
raise AliasError, 'There can be only one $* in an alias.'
|
|
def f(self, irc, msg, args):
|
|
alias = original.replace('$nick', msg.nick)
|
|
if '$channel' in original:
|
|
channel = privmsgs.getChannel(msg, args)
|
|
alias = alias.replace('$channel', channel)
|
|
tokens = callbacks.tokenize(alias)
|
|
if not wildcard and biggestDollar or biggestAt:
|
|
args = privmsgs.getArgs(args,
|
|
needed=biggestDollar,
|
|
optional=biggestAt)
|
|
# Gotta have a mutable sequence (for replace).
|
|
if biggestDollar + biggestAt == 1: # We got a string, no tuple.
|
|
args = [args]
|
|
def regexpReplace(m):
|
|
idx = int(m.group(1))
|
|
return args[idx-1]
|
|
def replace(tokens, replacer):
|
|
for (i, token) in enumerate(tokens):
|
|
if isinstance(token, list):
|
|
replace(token, replacer)
|
|
else:
|
|
tokens[i] = replacer(token)
|
|
replace(tokens, lambda s: dollarRe.sub(regexpReplace, s))
|
|
if biggestAt:
|
|
assert not wildcard
|
|
args = args[biggestDollar:]
|
|
replace(tokens, lambda s: atRe.sub(regexpReplace, s))
|
|
if wildcard:
|
|
assert not biggestAt
|
|
# Gotta remove the things that have already been subbed in.
|
|
i = biggestDollar
|
|
while i:
|
|
args.pop(0)
|
|
i -= 1
|
|
def everythingReplace(tokens):
|
|
for (i, token) in enumerate(tokens):
|
|
if isinstance(token, list):
|
|
if everythingReplace(token):
|
|
return
|
|
if token == '$*':
|
|
tokens[i:i+1] = args
|
|
return True
|
|
elif '$*' in token:
|
|
tokens[i] = token.replace('$*', ' '.join(args))
|
|
return True
|
|
return False
|
|
everythingReplace(tokens)
|
|
self.Proxy(irc.irc, msg, tokens)
|
|
f = types.FunctionType(f.func_code, f.func_globals,
|
|
name, closure=f.func_closure)
|
|
f.__doc__ ='<an alias, %s>\n\nAlias for %r' % \
|
|
(utils.nItems(biggestDollar, 'argument'), alias)
|
|
return f
|
|
|
|
|
|
class Alias(callbacks.Privmsg):
|
|
def __init__(self):
|
|
callbacks.Privmsg.__init__(self)
|
|
self.frozen = sets.Set()
|
|
|
|
def freeze(self, irc, msg, args):
|
|
"""<alias>
|
|
|
|
'Freezes' an alias so that no one else can change it.
|
|
"""
|
|
name = privmsgs.getArgs(args)
|
|
name = callbacks.canonicalName(name)
|
|
if hasattr(self, name) and self.isCommand(name):
|
|
self.frozen.add(name)
|
|
irc.reply(msg, conf.replySuccess)
|
|
else:
|
|
irc.error(msg, 'There is no such alias.')
|
|
freeze = privmsgs.checkCapability(freeze, 'admin')
|
|
|
|
def unfreeze(self, irc, msg, args):
|
|
"""<alias>
|
|
|
|
'Unfreezes' an alias so that people can define new aliases over it.
|
|
"""
|
|
name = privmsgs.getArgs(args)
|
|
name = callbacks.canonicalName(name)
|
|
if hasattr(self, name) and self.isCommand(name):
|
|
self.frozen.discard(name)
|
|
irc.reply(msg, conf.replySuccess)
|
|
else:
|
|
irc.error(msg, 'There is no such alias.')
|
|
unfreeze = privmsgs.checkCapability(unfreeze, 'admin')
|
|
|
|
_invalidCharsRe = re.compile(r'[\[\]\s]')
|
|
def addAlias(self, irc, name, alias, freeze=False):
|
|
if self._invalidCharsRe.search(name):
|
|
raise AliasError, 'Names cannot contain spaces or square brackets.'
|
|
if conf.enablePipeSyntax and '|' in name:
|
|
raise AliasError, 'Names cannot contain pipes.'
|
|
realName = callbacks.canonicalName(name)
|
|
if name != realName:
|
|
s = 'That name isn\'t valid. Try %r instead.' % realName
|
|
raise AliasError, s
|
|
name = realName
|
|
cbs = callbacks.findCallbackForCommand(irc, name)
|
|
if [cb for cb in cbs if cb != self]:
|
|
s = 'A command with the name %r already exists.' % name
|
|
raise AliasError, s
|
|
if name in self.frozen:
|
|
raise AliasError, 'Alias %r is frozen.' % name
|
|
try:
|
|
f = makeNewAlias(name, alias)
|
|
except RecursiveAlias:
|
|
raise AliasError, 'You can\'t define a recursive alias.'
|
|
setattr(self.__class__, name, f)
|
|
if freeze:
|
|
self.frozen.add(name)
|
|
|
|
def removeAlias(self, name, evenIfFrozen=False):
|
|
name = callbacks.canonicalName(name)
|
|
if hasattr(self, name) and self.isCommand(name):
|
|
if evenIfFrozen or name not in self.frozen:
|
|
delattr(self.__class__, name)
|
|
self.frozen.discard(name)
|
|
else:
|
|
raise AliasError, 'That alias is frozen.'
|
|
else:
|
|
raise AliasError, 'There is no such alias.'
|
|
|
|
def add(self, irc, msg, args):
|
|
"""<name> <alias commands>
|
|
|
|
Defines an alias <name> for the commands <commands>. The <commands>
|
|
should be in the standard [command argument [nestedcommand argument]]
|
|
format. Underscores can be used to represent arguments to the alias
|
|
itself; for instance ...
|
|
"""
|
|
(name, alias) = privmsgs.getArgs(args, needed=2)
|
|
try:
|
|
self.addAlias(irc, name, alias)
|
|
irc.reply(msg, conf.replySuccess)
|
|
except AliasError, e:
|
|
irc.error(msg, str(e))
|
|
|
|
def remove(self, irc, msg, args):
|
|
"""<name>
|
|
|
|
Removes the given alias, if unfrozen.
|
|
"""
|
|
name = privmsgs.getArgs(args)
|
|
try:
|
|
self.removeAlias(name)
|
|
irc.reply(msg, conf.replySuccess)
|
|
except AliasError, e:
|
|
irc.error(msg, str(e))
|
|
|
|
|
|
Class = Alias
|
|
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|