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