Limnoria/plugins/Infobot.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
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###

"""
Add the module docstring here.  This will be used by the setup.py script.
"""

from baseplugin import *

import re
import os.path

import sqlite

import conf
import debug
import callbacks

dbfilename = os.path.join(conf.dataDir, 'Infobot.db')

def makeDb(filename):
    if os.path.exists(filename):
        return sqlite.connect(filename)
    db = sqlite.connect(filename)
    cursor = db.cursor()
    cursor.execute("""CREATE TABLE is_factoids (
                      key TEXT,
                      value TEXT
                      )""")
    cursor.execute("""CREATE TABLE are_factoids (
                      key TEXT,
                      value TEXT
                      )""")
    cursor.execute("""CREATE TABLE dont_knows (saying TEXT)""")
    for s in ('I don\'t know.', 'No idea.', 'I don\'t have a clue.', 'Dunno.'):
        cursor.execute("""INSERT INTO dont_knows VALUES (%s)""", s)
    cursor.execute("""CREATE TABLE statements (saying TEXT)""")
    for s in ('I heard', 'Rumor has it', 'I think', 'I\'m pretty sure'):
        cursor.execute("""INSERT INTO statements VALUES (%s)""", s)
    cursor.execute("""CREATE TABLE confirms (saying TEXT)""")
    for s in ('Gotcha', 'Ok', '10-4', 'I hear ya', 'Got it'):
        cursor.execute("""INSERT INTO confirms VALUES (%s)""", s)
    cursor.execute("""CREATE INDEX is_key ON is_factoids (key)""")
    cursor.execute("""CREATE INDEX are_key ON are_factoids (key)""")
    db.commit()
    return db

class Infobot(callbacks.PrivmsgRegexp):
    def __init__(self):
        callbacks.PrivmsgRegexp.__init__(self)
        self.db = makeDb(dbfilename)
        self.cursor = self.db.cursor()

    def getRandomSaying(self, table):
        sql = 'SELECT saying FROM %s ORDER BY random() LIMIT 1' % table
        self.cursor.execute(sql)
        return self.cursor.fetchone()[0]

    def getFactoid(self, key):
        self.cursor.execute('SELECT value FROM is_factoids WHERE key=%s', key)
        if self.cursor.rowcount != 0:
            statement = self.getRandomSaying('statements')
            value = self.cursor.fetchone()[0]
            return '%s %s is %s' % (statement, key, value)
        self.cursor.execute('SELECT value FROM are_factoids WHERE key=%s', key)
        if self.cursor.rowcount != 0:
            statement = self.getRandomSaying('statements')
            value = self.cursor.fetchone()[0]
            return '%s %s are %s' % (statement, key, value)
        raise KeyError, key

    def forget(self, irc, msg, match):
        r"^forget\s+(.+?)[?.! ]*$"
        key = match.group(1)
        self.cursor.execute('DELETE FROM is_factoids WHERE key=%s', key)
        self.cursor.execute('DELETE FROM are_factoids WHERE key=%s', key)
        irc.reply(msg, self.getRandomSaying('confirms'))

    def tell(self, irc, msg, match):
        r"^tell\s+(.+?)\s+about\s+(.+?)[?.! ]*$"
        (nick, key) = match.groups()
        try:
            s = '%s wants you to know that %s' %(msg.nick,self.getFactoid(key))
            irc.queueMsg(irmcsgs.privmsg(nick, s)
        except KeyError:
            irc.reply(msg, 'I don\'t know anything about %s' % key)
        
    def factoid(self, irc, msg, match):
        r"^(no[ :,-]+)?(.+?)\s+(was|is|am|were|are)\s+(also\s+)?(.+)$"
        pass

    def unknown(self, irc, msg, match):
        r"^(.+?)[?.! ]*$"
        key = match.group(1)
        try:
            irc.queueMsg(ircmsgs.privmsg(msg.args[0], self.getFactoid(key)))
        except KeyError:
            irc.reply(msg, self.getRandomSaying('dont_knows'))

    def info(self, irc, msg, match):
        r"^info$"
        self.cursor.execute("SELECT COUNT(*) FROM is_factoids")
        numIs = self.cursor.fetchone()[0]
        self.cursor.execute("SELECT COUNT(*) FROM are_factoids")
        numAre = self.cursor.fetchone()[0]
        s = 'I have %s is factoids and %s are factoids' % (numIs, numAre)
        irc.reply(msg, s)
                  

    

Class = Infobot
        
if __name__ == '__main__':
    import sys
    if len(sys.argv) < 2 and sys.argv[1] not in ('is', 'are'):
        print 'Usage: %s <is|are> <factpack> [<factpack> ...]' % sys.argv[0]
        sys.exit(-1)
    r = re.compile(r'\s+=>\s+')
    db = makeDb(dbfilename)
    cursor = db.cursor()
    if sys.argv[1] == 'is':
        table = 'is_factoids'
    else:
        table = 'are_factoids'
    sql = 'INSERT INTO %s VALUES (%%s, %%s)' % table
    for filename in sys.argv[2:]:
        fd = file(filename)
        for line in fd:
            line = line.strip()
            if not line or line[0] in ('*', '#'):
                continue
            else:
                try:
                    (key, value) = r.split(line, 1)
                    cursor.execute(sql, key, value)
                except Exception, e:
                    print 'Invalid line (%s): %r' %(debug.exnToString(e),line)
    db.commit()

                    
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