mirror of https://github.com/Mikaela/Limnoria.git
Initial import.
This commit is contained in:
Jeremy Fincher
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#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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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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"""
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Add the module docstring here. This will be used by the setup.py script.
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"""
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from baseplugin import *
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import random
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import os.path
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import sqlite
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import debug
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import ircutils
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import privmsgs
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import callbacks
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def configure(onStart, afterConnect, advanced):
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# This will be called by setup.py to configure this module. onStart and
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# afterConnect are both lists. Append to onStart the commands you would
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# like to be run when the bot is started; append to afterConnect the
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# commands you would like to be run when the bot has finished connecting.
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from questions import expect, anything, something, yn
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onStart.append('load Markov')
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class Markov(callbacks.Privmsg, ChannelDBHandler):
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def __init__(self):
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ChannelDBHandler.__init__(self)
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callbacks.Privmsg.__init__(self)
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def makeDb(self, filename):
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if os.path.exists(filename):
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return sqlite.connect(filename)
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db = sqlite.connect(filename)
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cursor = db.cursor()
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cursor.execute("""CREATE TABLE pairs (
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id INTEGER PRIMARY KEY,
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first TEXT,
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second TEXT,
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UNIQUE (first, second) ON CONFLICT IGNORE
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)""")
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cursor.execute("""CREATE TABLE follows (
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id INTEGER PRIMARY KEY,
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pair_id INTEGER,
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word TEXT
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)""")
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cursor.execute("""CREATE INDEX follows_pair_id ON follows (pair_id)""")
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db.commit()
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return db
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def doPrivmsg(self, irc, msg):
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if not ircutils.isChannel(msg.args[0]):
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return callbacks.Privmsg.doPrivmsg(self, irc, msg)
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channel = msg.args[0]
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db = self.getDb(channel)
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cursor = db.cursor()
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words = msg.args[1].split()
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for (first, second, follower) in window(words, 3):
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cursor.execute("""INSERT INTO pairs VALUES (NULL, %s, %s)""",
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first, second)
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cursor.execute("""SELECT id FROM pairs
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WHERE first=%s AND second=%s""", first, second)
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id = int(cursor.fetchone()[0])
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cursor.execute("""INSERT INTO follows VALUES (NULL, %s, %s)""",
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id, follower)
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db.commit()
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return callbacks.Privmsg.doPrivmsg(self, irc, msg)
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def markov(self, irc, msg, args):
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"""[<channel>] [<length>]
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Returns a randomly-generated Markov Chain generated sentence from the
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data kept on <channel> (which is only necessary if not sent in the
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channel itself) with <length> words. <length> must be less than 80.
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"""
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channel = privmsgs.getChannel(msg, args)
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length = privmsgs.getArgs(args, needed=0, optional=1)
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db = self.getDb(channel)
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cursor = db.cursor()
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if not length:
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length = random.randrange(30, 50)
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try:
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length = int(length)
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assert 0 <= length <= 80
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except (ValueError, AssertionError):
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irc.error(msg, 'Length must be an integer between 0 and 80')
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return
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words = []
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cursor.execute("""SELECT id, first, second FROM pairs
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ORDER BY random()
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LIMIT 1""")
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(id, first, second) = cursor.fetchone()
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debug.printf((id, first, second))
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id = int(id)
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words.append(first)
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words.append(second)
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debug.printf(words)
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while len(words) < length:
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debug.printf((words[-2], words[-1]))
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sql = """SELECT follows.word FROM pairs, follows
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WHERE pairs.first=%s AND
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pairs.second=%s AND
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pairs.id=follows.pair_id
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ORDER BY random()
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LIMIT 1"""
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cursor.execute(sql, words[-2], words[-1])
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results = cursor.fetchone()
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if not results:
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break
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word = results[0]
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words.append(word)
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irc.reply(msg, ' '.join(words))
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def markovpairs(self, irc, msg, args):
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"""[<channel>]
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Returns the number of Markov's chain links in the database for
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<channel>.
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"""
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channel = privmsgs.getChannel(msg, args)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT COUNT(*) FROM pairs""")
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n = cursor.fetchone()[0]
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s = 'There are %s pairs in my Markov database for %s' % (n, channel)
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irc.reply(msg, s)
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def markovfollows(self, irc, msg, args):
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"""[<channel>]
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Returns the number of Markov's third links in the database for
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<channel>.
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"""
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channel = privmsgs.getChannel(msg, args)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT COUNT(*) FROM follows""")
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n = cursor.fetchone()[0]
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s = 'There are %s follows in my Markov database for %s' % (n, channel)
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irc.reply(msg, s)
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Class = Markov
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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