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250 lines
9.4 KiB
Python
250 lines
9.4 KiB
Python
#!/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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Maintains a Quotes database for each channel.
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"""
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__revision__ = "$Id$"
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import plugins
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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 sqlite
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import conf
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import utils
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import ircdb
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import privmsgs
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import callbacks
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class Quotes(plugins.ChannelDBHandler, callbacks.Privmsg):
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def __init__(self):
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plugins.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(db=filename, mode=0755,
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converters={'bool': bool})
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#else:
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db = sqlite.connect(db=filename, mode=0755, coverters={'bool': bool})
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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, 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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db = self.getDb(channel)
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cursor = db.cursor()
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quotetime = int(time.time())
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cursor.execute("""INSERT INTO quotes
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VALUES(NULL, %s, %s, %s)""",
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msg.nick, quotetime, quote)
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db.commit()
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sql = """SELECT id FROM quotes
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WHERE added_by=%s AND added_at=%s AND quote=%s"""
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cursor.execute(sql, msg.nick, quotetime, quote)
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quoteid = cursor.fetchone()[0]
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irc.reply(msg, '%s (Quote #%s added)' % (conf.replySuccess, quoteid))
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def num(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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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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maxid = int(cursor.fetchone()[0])
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if maxid is None:
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maxid = 0
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QUOTE = utils.pluralize(maxid, 'quote')
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s = 'There %s %s %s in my database.' % (utils.be(maxid), maxid, QUOTE)
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irc.reply(msg, s)
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def get(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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criteria = []
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formats = []
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predicateName = ''
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db = self.getDb(channel)
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for (option, argument) 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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argument = int(argument)
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criteria.append('id=%s' % argument)
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except ValueError:
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irc.error(msg, '--id value must be an integer.')
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return
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elif option == 'with':
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criteria.append('quote LIKE %s')
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formats.append('%%%s%%' % argument)
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elif option == 'from':
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criteria.append('added_by=%s')
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formats.append(argument)
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elif option == 'regexp':
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try:
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r = utils.perlReToPythonRe(argument)
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except ValueError:
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try:
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r = re.compile(argument, re.I)
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except re.error, e:
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irc.error(msg, 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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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 rest:
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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, quote FROM quotes
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WHERE %s""" % ' AND '.join(criteria)
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#debug.printf(sql)
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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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irc.reply(msg, 'No quotes matched that criteria.')
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elif cursor.rowcount == 1:
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(id, quote) = cursor.fetchone()
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irc.reply(msg, '#%s: %s' % (id, quote))
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elif cursor.rowcount > 10:
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irc.reply(msg, 'More than 10 quotes matched your criteria. '
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'Please narrow your query.')
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else:
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results = cursor.fetchall()
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idsWithSnippets = []
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for (id, quote) in results:
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s = '#%s: "%s..."' % (id, quote[:30])
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idsWithSnippets.append(s)
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irc.reply(msg, utils.commaAndify(idsWithSnippets))
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### FIXME: we need to remove those predicates from the database.
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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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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT id FROM quotes
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ORDER BY random()
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LIMIT 1""")
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if cursor.rowcount != 1:
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irc.error(msg, 'It seems that quote database is empty.')
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return
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(id,) = cursor.fetchone()
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self.get(irc, msg, [channel, '--id', str(id)])
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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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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT * FROM quotes WHERE id=%s""", id)
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if cursor.rowcount == 1:
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(id, added_by, added_at, quote) = cursor.fetchone()
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timestamp = time.strftime(conf.humanTimestampFormat,
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time.localtime(int(added_at)))
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irc.reply(msg, 'Quote %r added by %s at %s.' % \
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(quote, added_by, timestamp))
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else:
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irc.error(msg, '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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db = self.getDb(channel)
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cursor = db.cursor()
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capability = ircdb.makeChannelCapability(channel, 'op')
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if ircdb.checkCapability(msg.prefix, capability):
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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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irc.error(msg, 'There was no such quote.')
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else:
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irc.reply(msg, conf.replySuccess)
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else:
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irc.error(msg, conf.replyNoCapability % capability)
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Class = Quotes
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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