mirror of https://github.com/Mikaela/Limnoria.git
451 lines
18 KiB
Python
451 lines
18 KiB
Python
###
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# Copyright (c) 2010, Daniel Folkinshteyn
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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 supybot.utils as utils
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from supybot.commands import *
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.callbacks as callbacks
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import supybot.conf as conf
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import supybot.ircdb as ircdb
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import re
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import os
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import time
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try:
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from supybot.i18n import PluginInternationalization
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from supybot.i18n import internationalizeDocstring
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_ = PluginInternationalization('MessageParser')
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except:
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# This are useless functions that's allow to run the plugin on a bot
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# without the i18n plugin
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_ = lambda x:x
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internationalizeDocstring = lambda x:x
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#try:
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#import sqlite
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#except ImportError:
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#raise callbacks.Error, 'You need to have PySQLite installed to use this ' \
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#'plugin. Download it at ' \
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#'<http://code.google.com/p/pysqlite/>'
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import sqlite3
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# these are needed cuz we are overriding getdb
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import threading
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import supybot.world as world
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import supybot.log as log
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class MessageParser(callbacks.Plugin, plugins.ChannelDBHandler):
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"""This plugin can set regexp triggers to activate the bot.
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Use 'add' command to add regexp trigger, 'remove' to remove."""
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threaded = True
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def __init__(self, irc):
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callbacks.Plugin.__init__(self, irc)
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plugins.ChannelDBHandler.__init__(self)
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def makeDb(self, filename):
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"""Create the database and connect to it."""
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if os.path.exists(filename):
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db = sqlite3.connect(filename)
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db.text_factory = str
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return db
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db = sqlite3.connect(filename)
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db.text_factory = str
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cursor = db.cursor()
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cursor.execute("""CREATE TABLE triggers (
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id INTEGER PRIMARY KEY,
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regexp TEXT UNIQUE ON CONFLICT REPLACE,
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added_by TEXT,
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added_at TIMESTAMP,
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usage_count INTEGER,
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action TEXT,
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locked BOOLEAN
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)""")
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db.commit()
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return db
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# override this because sqlite3 doesn't have autocommit
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# use isolation_level instead.
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def getDb(self, channel):
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"""Use this to get a database for a specific channel."""
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currentThread = threading.currentThread()
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if channel not in self.dbCache and currentThread == world.mainThread:
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self.dbCache[channel] = self.makeDb(self.makeFilename(channel))
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if currentThread != world.mainThread:
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db = self.makeDb(self.makeFilename(channel))
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else:
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db = self.dbCache[channel]
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db.isolation_level = None
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return db
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def _updateRank(self, channel, regexp):
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subfolder = None if channel == 'global' else channel
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if self.registryValue('keepRankInfo', subfolder):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT usage_count
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FROM triggers
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WHERE regexp=?""", (regexp,))
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old_count = cursor.fetchall()[0][0]
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cursor.execute("UPDATE triggers SET usage_count=? WHERE regexp=?", (old_count + 1, regexp,))
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db.commit()
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def _runCommandFunction(self, irc, msg, command):
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"""Run a command from message, as if command was sent over IRC."""
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tokens = callbacks.tokenize(command)
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try:
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self.Proxy(irc.irc, msg, tokens)
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except Exception, e:
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log.exception('Uncaught exception in function called by MessageParser:')
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def _checkManageCapabilities(self, irc, msg, channel):
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"""Check if the user has any of the required capabilities to manage
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the regexp database."""
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capabilities = self.registryValue('requireManageCapability')
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if capabilities:
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for capability in re.split(r'\s*;\s*', capabilities):
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if capability.startswith('channel,'):
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capability = ircdb.makeChannelCapability(channel, capability[8:])
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if capability and ircdb.checkCapability(msg.prefix, capability):
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#print "has capability:", capability
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return True
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return False
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else:
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return True
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def doPrivmsg(self, irc, msg):
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channel = msg.args[0]
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if not irc.isChannel(channel):
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return
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if self.registryValue('enable', channel):
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if callbacks.addressed(irc.nick, msg): #message is direct command
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return
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actions = []
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results = []
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for channel in set(map(plugins.getChannel, (channel, 'global'))):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT regexp, action FROM triggers")
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# Fetch results and prepend channel name or 'global'. This
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# prevents duplicating the following lines.
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results.extend(map(lambda x: (channel,)+x, cursor.fetchall()))
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if len(results) == 0:
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return
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max_triggers = self.registryValue('maxTriggers', channel)
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for (channel, regexp, action) in results:
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for match in re.finditer(regexp, msg.args[1]):
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if match is not None:
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thisaction = action
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self._updateRank(channel, regexp)
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for (i, j) in enumerate(match.groups()):
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thisaction = re.sub(r'\$' + str(i+1), match.group(i+1), thisaction)
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actions.append(thisaction)
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if max_triggers != 0 and max_triggers == len(actions):
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break
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if max_triggers != 0 and max_triggers == len(actions):
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break
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for action in actions:
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self._runCommandFunction(irc, msg, action)
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@internationalizeDocstring
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def add(self, irc, msg, args, channel, regexp, action):
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"""[<channel>|global] <regexp> <action>
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Associates <regexp> with <action>. <channel> is only
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necessary if the message isn't sent on the channel
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itself. Action is echoed upon regexp match, with variables $1, $2,
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etc. being interpolated from the regexp match groups."""
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if not self._checkManageCapabilities(irc, msg, channel):
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capabilities = self.registryValue('requireManageCapability')
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irc.errorNoCapability(capabilities, Raise=True)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT id, usage_count, locked FROM triggers WHERE regexp=?", (regexp,))
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results = cursor.fetchall()
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if len(results) != 0:
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(id, usage_count, locked) = map(int, results[0])
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else:
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locked = 0
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usage_count = 0
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if not locked:
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try:
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re.compile(regexp)
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except Exception, e:
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irc.error(_('Invalid python regexp: %s') % (e,))
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return
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if ircdb.users.hasUser(msg.prefix):
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name = ircdb.users.getUser(msg.prefix).name
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else:
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name = msg.nick
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cursor.execute("""INSERT INTO triggers VALUES
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(NULL, ?, ?, ?, ?, ?, ?)""",
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(regexp, name, int(time.time()), usage_count, action, locked,))
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db.commit()
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irc.replySuccess()
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else:
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irc.error(_('That trigger is locked.'))
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return
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add = wrap(add, ['channelOrGlobal', 'something', 'something'])
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@internationalizeDocstring
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def remove(self, irc, msg, args, channel, optlist, regexp):
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"""[<channel>|global] [--id] <regexp>]
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Removes the trigger for <regexp> from the triggers database.
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<channel> is only necessary if
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the message isn't sent in the channel itself.
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If option --id specified, will retrieve by regexp id, not content.
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"""
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if not self._checkManageCapabilities(irc, msg, channel):
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capabilities = self.registryValue('requireManageCapability')
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irc.errorNoCapability(capabilities, Raise=True)
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db = self.getDb(channel)
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cursor = db.cursor()
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target = 'regexp'
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for (option, arg) in optlist:
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if option == 'id':
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target = 'id'
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sql = "SELECT id, locked FROM triggers WHERE %s=?" % (target,)
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cursor.execute(sql, (regexp,))
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results = cursor.fetchall()
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if len(results) != 0:
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(id, locked) = map(int, results[0])
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else:
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irc.error(_('There is no such regexp trigger.'))
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return
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if locked:
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irc.error(_('This regexp trigger is locked.'))
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return
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cursor.execute("""DELETE FROM triggers WHERE id=?""", (id,))
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db.commit()
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irc.replySuccess()
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remove = wrap(remove, ['channelOrGlobal',
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getopts({'id': '',}),
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'something'])
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@internationalizeDocstring
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def lock(self, irc, msg, args, channel, regexp):
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"""[<channel>|global] <regexp>
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Locks the <regexp> so that it cannot be
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removed or overwritten to. <channel> is only necessary if the message isn't
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sent in the channel itself.
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"""
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if not self._checkManageCapabilities(irc, msg, channel):
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capabilities = self.registryValue('requireManageCapability')
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irc.errorNoCapability(capabilities, Raise=True)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT id FROM triggers WHERE regexp=?", (regexp,))
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results = cursor.fetchall()
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if len(results) == 0:
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irc.error(_('There is no such regexp trigger.'))
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return
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cursor.execute("UPDATE triggers SET locked=1 WHERE regexp=?", (regexp,))
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db.commit()
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irc.replySuccess()
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lock = wrap(lock, ['channelOrGlobal', 'text'])
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@internationalizeDocstring
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def unlock(self, irc, msg, args, channel, regexp):
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"""[<channel>|global] <regexp>
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Unlocks the entry associated with <regexp> so that it can be
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removed or overwritten. <channel> is only necessary if the message isn't
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sent in the channel itself.
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"""
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if not self._checkManageCapabilities(irc, msg, channel):
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capabilities = self.registryValue('requireManageCapability')
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irc.errorNoCapability(capabilities, Raise=True)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT id FROM triggers WHERE regexp=?", (regexp,))
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results = cursor.fetchall()
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if len(results) == 0:
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irc.error(_('There is no such regexp trigger.'))
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return
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cursor.execute("UPDATE triggers SET locked=0 WHERE regexp=?", (regexp,))
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db.commit()
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irc.replySuccess()
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unlock = wrap(unlock, ['channelOrGlobal', 'text'])
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@internationalizeDocstring
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def show(self, irc, msg, args, channel, optlist, regexp):
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"""[<channel>|global] [--id] <regexp>
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Looks up the value of <regexp> in the triggers database.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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If option --id specified, will retrieve by regexp id, not content.
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"""
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db = self.getDb(channel)
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cursor = db.cursor()
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target = 'regexp'
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for (option, arg) in optlist:
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if option == 'id':
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target = 'id'
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sql = "SELECT regexp, action FROM triggers WHERE %s=?" % (target,)
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cursor.execute(sql, (regexp,))
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results = cursor.fetchall()
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if len(results) != 0:
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(regexp, action) = results[0]
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else:
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irc.error(_('There is no such regexp trigger.'))
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return
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irc.reply("The action for regexp trigger \"%s\" is \"%s\"" % (regexp, action))
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show = wrap(show, ['channelOrGlobal',
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getopts({'id': '',}),
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'something'])
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@internationalizeDocstring
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def info(self, irc, msg, args, channel, optlist, regexp):
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"""[<channel>|global] [--id] <regexp>
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Display information about <regexp> in the triggers database.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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If option --id specified, will retrieve by regexp id, not content.
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"""
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db = self.getDb(channel)
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cursor = db.cursor()
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target = 'regexp'
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for (option, arg) in optlist:
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if option == 'id':
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target = 'id'
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sql = "SELECT * FROM triggers WHERE %s=?" % (target,)
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cursor.execute(sql, (regexp,))
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results = cursor.fetchall()
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if len(results) != 0:
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(id, regexp, added_by, added_at, usage_count,
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action, locked) = results[0]
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else:
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irc.error(_('There is no such regexp trigger.'))
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return
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irc.reply(_("The regexp id is %d, regexp is \"%s\", and action is"
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" \"%s\". It was added by user %s on %s, has been "
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"triggered %d times, and is %s.") % (id,
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regexp,
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action,
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added_by,
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time.strftime(conf.supybot.reply.format.time(),
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time.localtime(int(added_at))),
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usage_count,
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locked and _("locked") or _("not locked"),))
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info = wrap(info, ['channelOrGlobal',
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getopts({'id': '',}),
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'something'])
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@internationalizeDocstring
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def list(self, irc, msg, args, channel):
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"""[<channel>|global]
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Lists regexps present in the triggers database.
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<channel> is only necessary if the message isn't sent in the channel
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itself. Regexp ID listed in parentheses.
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"""
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT regexp, id FROM triggers ORDER BY id")
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results = cursor.fetchall()
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if len(results) != 0:
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regexps = results
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else:
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irc.reply(_('There are no regexp triggers in the database.'))
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return
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s = [ "\"%s\" (%d)" % (regexp[0], regexp[1]) for regexp in regexps ]
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separator = self.registryValue('listSeparator', channel)
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irc.reply(separator.join(s))
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list = wrap(list, ['channelOrGlobal'])
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@internationalizeDocstring
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def rank(self, irc, msg, args, channel):
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"""[<channel>|global]
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Returns a list of top-ranked regexps, sorted by usage count
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(rank). The number of regexps returned is set by the
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rankListLength registry value. <channel> is only necessary if the
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message isn't sent in the channel itself.
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"""
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numregexps = self.registryValue('rankListLength', channel)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT regexp, usage_count
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FROM triggers
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ORDER BY usage_count DESC
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LIMIT ?""", (numregexps,))
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regexps = cursor.fetchall()
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if len(regexps) == 0:
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irc.reply(_('There are no regexp triggers in the database.'))
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return
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s = [ "#%d \"%s\" (%d)" % (i+1, regexp[0], regexp[1]) for i, regexp in enumerate(regexps) ]
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irc.reply(", ".join(s))
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rank = wrap(rank, ['channelOrGlobal'])
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@internationalizeDocstring
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def vacuum(self, irc, msg, args, channel):
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"""[<channel>|global]
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Vacuums the database for <channel>.
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See SQLite vacuum doc here: http://www.sqlite.org/lang_vacuum.html
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<channel> is only necessary if the message isn't sent in
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the channel itself.
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First check if user has the required capability specified in plugin
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config requireVacuumCapability.
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"""
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capability = self.registryValue('requireVacuumCapability')
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if capability:
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if not ircdb.checkCapability(msg.prefix, capability):
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irc.errorNoCapability(capability, Raise=True)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""VACUUM""")
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db.commit()
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irc.replySuccess()
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vacuum = wrap(vacuum, ['channelOrGlobal'])
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MessageParser = internationalizeDocstring(MessageParser)
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Class = MessageParser
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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