mirror of https://github.com/Mikaela/Limnoria.git
359 lines
13 KiB
Python
359 lines
13 KiB
Python
###
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# Copyright (c) 2002-2004, 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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Maintains a Quotes database for each channel.
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"""
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__revision__ = "$Id$"
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import re
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import time
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import getopt
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import os.path
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import supybot.dbi as dbi
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircdb as ircdb
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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conf.registerPlugin('Quotes')
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conf.registerGlobalValue(conf.supybot.plugins.Quotes, 'requireRegistration',
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registry.Boolean(False, """Determines whether the bot should require people
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trying to use this plugin to be registered."""))
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class QuoteRecord(dbi.Record):
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__fields__ = [
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'at',
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'by',
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'text'
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]
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def __str__(self):
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format = conf.supybot.humanTimestampFormat()
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try:
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user = ircdb.users.getUser(int(self.by)).name
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except ValueError:
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user = self.by
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except KeyError:
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user = 'a user that is no longer registered'
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return 'Quote %r added by %s at %s.' % \
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(self.text, user,
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time.strftime(format, time.localtime(float(self.at))))
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class SqliteQuotesDB(object):
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def __init__(self, filename):
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self.dbs = ircutils.IrcDict()
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self.filename = filename
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def close(self):
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for db in self.dbs.itervalues():
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db.close()
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def _getDb(self, channel):
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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 ' \
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'use this plugin. Download it at ' \
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'<http://pysqlite.sf.net/>'
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filename = plugins.makeChannelFilename(self.filename, channel)
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if channel in self.dbs:
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return self.dbs[channel]
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if os.path.exists(filename):
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self.dbs[channel] = sqlite.connect(db=filename, mode=0755,
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converters={'bool': bool})
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return self.dbs[channel]
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#else:
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db = sqlite.connect(db=filename, mode=0755, coverters={'bool': bool})
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self.dbs[channel] = db
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cursor = db.cursor()
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cursor.execute("""CREATE TABLE quotes (
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id INTEGER PRIMARY KEY,
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added_by TEXT,
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added_at TIMESTAMP,
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quote TEXT
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);""")
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db.commit()
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return db
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def add(self, channel, by, quote):
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db = self._getDb(channel)
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cursor = db.cursor()
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at = int(time.time())
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cursor.execute("""INSERT INTO quotes VALUES (NULL, %s, %s, %s)""",
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by, at, quote)
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cursor.execute("""SELECT id FROM quotes
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WHERE added_by=%s AND added_at=%s AND quote=%s""",
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by, at, quote)
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db.commit()
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return int(cursor.fetchone()[0])
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def size(self, channel):
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db = self._getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT COUNT(*) FROM quotes""")
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return int(cursor.fetchone()[0])
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def random(self, channel):
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db = self._getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT id, added_by, added_at, quote FROM quotes
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ORDER BY random() LIMIT 1""")
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if cursor.rowcount == 0:
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raise dbi.NoRecordError
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(id, by, at, text) = cursor.fetchone()
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return QuoteRecord(id, by=by, at=int(at), text=text)
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# XXX This needs to be modified to accept a predicate, and the creation of
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# the predicate moved to the plugin. One plugin, many database
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# implementations -- we don't want to burden every database implementation
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# to do all this work. Yes, this means that sqlite implementations will
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# be less efficient for awhile, but I have a plan to resolve that
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# eventually.
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def search(self, channel, **kwargs):
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criteria = []
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formats = []
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predicateName = ''
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db = self._getDb(channel)
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for v in kwargs['id']:
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criteria.append('id=%s' % v)
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for v in kwargs['with']:
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criteria.append('quote LIKE %s')
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formats.append('%%%s%%' % v)
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for v in kwargs['by']:
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criteria.append('added_by=%s')
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formats.append(arg)
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for p in kwargs['predicate']:
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predicateName += 'p'
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db.create_function(predicateName, 1, p)
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criteria.append('%s(quote)' % predicateName)
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for s in kwargs['args']:
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try:
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i = int(s)
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criteria.append('id=%s' % i)
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except ValueError:
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s = '%%%s%%' % s
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criteria.append('quote LIKE %s')
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formats.append(s)
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sql = """SELECT id, added_by, added_at, quote FROM quotes
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WHERE %s""" % ' AND '.join(criteria)
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cursor = db.cursor()
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cursor.execute(sql, *formats)
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if cursor.rowcount == 0:
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return None
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elif cursor.rowcount == 1:
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(id, by, at, text) = cursor.fetchone()
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return QuoteRecord(id, by=by, at=int(at), text=text)
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else:
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quotes = []
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for (id, by, at, text) in cursor.fetchall():
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quotes.append(QuoteRecord(id, by=by, at=int(at), text=text))
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return quotes
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def get(self, channel, id):
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db = self._getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT added_by, added_at, quote FROM quotes
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WHERE id=%s""", id)
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if cursor.rowcount == 0:
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raise dbi.NoRecordError, id
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(by, at, text) = cursor.fetchone()
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return QuoteRecord(id, by=by, at=int(at), text=text)
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def remove(self, channel, id):
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db = self._getDb(channel)
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cursor = db.cursor()
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cursor.execute("""DELETE FROM quotes WHERE id=%s""", id)
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if cursor.rowcount == 0:
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raise dbi.NoRecordError, id
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db.commit()
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QuotesDB = plugins.DB('Quotes',
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{'sqlite': SqliteQuotesDB})
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class Quotes(callbacks.Privmsg):
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def __init__(self):
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self.__parent = super(Quotes, self)
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self.__parent.__init__()
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self.db = QuotesDB()
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def die(self):
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self.__parent.die()
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self.db.close()
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def add(self, irc, msg, args):
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"""[<channel>] <quote>
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Adds <quote> to the quotes database for <channel>. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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quote = privmsgs.getArgs(args)
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if self.registryValue('requireRegistration'):
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try:
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by = ircdb.users.getUserId(msg.prefix)
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except KeyError:
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irc.errorNotRegistered()
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return
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else:
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try:
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by = ircdb.users.getUserId(msg.prefix)
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except KeyError:
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by = msg.nick
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id = self.db.add(channel, by, quote)
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irc.replySuccess('(Quote #%s added)' % id)
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def stats(self, irc, msg, args):
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"""[<channel>]
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Returns the numbers of quotes in the quote database for <channel>.
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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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"""
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channel = privmsgs.getChannel(msg, args)
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size = self.db.size(channel)
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s = 'There %s %s in my database.' % \
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(utils.be(size), utils.nItems('quote', size))
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irc.reply(s)
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def _replyQuote(self, irc, quote):
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if isinstance(quote, QuoteRecord):
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irc.reply('#%s: %s' % (quote.id, quote.text))
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elif len(quote) > 10:
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irc.reply('More than 10 quotes matched your criteria. '
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'Please narrow your query.')
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else:
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quotes = ['#%s: %r' % (q.id, utils.ellipsisify(q.text, 30))
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for q in quote]
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irc.reply(utils.commaAndify(quotes))
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def search(self, irc, msg, args):
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"""[<channel>] --{id,regexp,from,with}=<value> ]
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Returns quote(s) matching the given criteria. --from is who added the
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quote; --id is the id number of the quote; --regexp is a regular
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expression to search for.
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"""
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channel = privmsgs.getChannel(msg, args)
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(optlist, rest) = getopt.getopt(args, '', ['id=', 'regexp=',
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'from=', 'with='])
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if not optlist and not rest:
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raise callbacks.ArgumentError
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kwargs = {'args': rest, 'id': [], 'with': [], 'by': [], 'predicate': []}
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for (option, arg) in optlist:
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option = option.lstrip('-')
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if option == 'id':
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try:
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arg = int(arg)
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kwargs[option].append(arg)
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except ValueError:
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irc.error('--id value must be an integer.')
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return
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elif option == 'with':
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kwargs[option].append(arg)
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elif option == 'from':
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kwargs['by'].append(arg)
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elif option == 'regexp':
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try:
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r = utils.perlReToPythonRe(arg)
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except ValueError:
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try:
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r = re.compile(arg, re.I)
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except re.error, e:
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irc.error(str(e))
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return
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def p(s):
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return int(bool(r.search(s)))
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kwargs['predicate'].append(p)
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quote = self.db.search(channel, **kwargs)
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if quote is None:
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irc.reply('No quotes matched that criteria.')
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else:
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self._replyQuote(irc, quote)
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def random(self, irc, msg, args):
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"""[<channel>]
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Returns a random quote from <channel>. <channel> is only necessary if
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the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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try:
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quote = self.db.random(channel)
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self._replyQuote(irc, quote)
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except dbi.NoRecordError:
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irc.error('I have no quotes for this channel.')
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def info(self, irc, msg, args):
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"""[<channel>] <id>
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Returns the metadata about the quote <id> in the quotes
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database for <channel>. <channel> is only necessary if the message
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isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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id = privmsgs.getArgs(args)
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try:
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id = int(id)
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except ValueError:
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irc.error('Invalid id: %r' % id)
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return
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try:
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quote = self.db.get(channel, id)
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irc.reply(str(quote))
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except dbi.NoRecordError, e:
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irc.error('There isn\'t a quote with that id.')
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def remove(self, irc, msg, args):
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"""[<channel>] <id>
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Removes quote <id> from the quotes database for <channel>. <channel>
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is only necessary if the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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id = privmsgs.getArgs(args)
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try:
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id = int(id)
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except ValueError:
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irc.error('That\'s not a valid id: %r' % id)
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try:
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self.db.remove(channel, id)
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irc.replySuccess()
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except KeyError:
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irc.error('There was no such quote.')
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Class = Quotes
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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