Limnoria/plugins/Karma.py

255 lines
11 KiB
Python

#!/usr/bin/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.
###
"""
Plugin for handling Karma stuff for a channel.
"""
__revision__ = "$Id$"
import os
import sets
from itertools import imap
import conf
import utils
import plugins
import privmsgs
import callbacks
import configurable
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/>'
def configure(onStart, afterConnect, advanced):
# This will be called by setup.py to configure this module. onStart and
# afterConnect are both lists. Append to onStart the commands you would
# like to be run when the bot is started; append to afterConnect the
# commands you would like to be run when the bot has finished connecting.
from questions import expect, anything, something, yn
onStart.append('load Karma')
class Karma(callbacks.PrivmsgCommandAndRegexp,
configurable.Mixin,
plugins.ChannelDBHandler):
addressedRegexps = ['increaseKarma', 'decreaseKarma']
configurables = configurable.Dictionary(
[('simple-output', configurable.BoolType, False,
"""Determines whether the bot will output shorter versions of the
karma output when requesting a single thing's karma. (example: 'foo:
1')"""),
('karma-response', configurable.BoolType, False,
"""Determines whether the bot will reply with a success message when
something's karma is increased or decreased."""),
('karma-ranking-display', configurable.IntType, 3,
"""Determines how many highest/lowest karma things are shown when
karma is called with no arguments."""),
('karma-most-display', configurable.IntType, 25,
"""Determines how many karma things are shown when karma most is
called."""),]
)
def __init__(self):
callbacks.PrivmsgCommandAndRegexp.__init__(self)
configurable.Mixin.__init__(self)
plugins.ChannelDBHandler.__init__(self)
def die(self):
callbacks.PrivmsgCommandAndRegexp.die(self)
configurable.Mixin.die(self)
plugins.ChannelDBHandler.die(self)
def makeDb(self, filename):
if os.path.exists(filename):
db = sqlite.connect(filename)
else:
db = sqlite.connect(filename)
cursor = db.cursor()
cursor.execute("""CREATE TABLE karma (
id INTEGER PRIMARY KEY,
name TEXT,
normalized TEXT UNIQUE ON CONFLICT IGNORE,
added INTEGER,
subtracted INTEGER
)""")
db.commit()
def p(s1, s2):
return int(ircutils.nickEqual(s1, s2))
db.create_function('nickeq', 2, p)
return db
def karma(self, irc, msg, args):
"""[<channel>] [<thing> [<thing> ...]]
Returns the karma of <text>. If <thing> is not given, returns the top
three and bottom three karmas. If one <thing> is given, returns the
details of its karma; if more than one <thing> is given, returns the
total karma of each of the the things. <channel> is only necessary if
the message isn't sent on the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
db = self.getDb(channel)
cursor = db.cursor()
if len(args) == 1:
name = args[0]
normalized = name.lower()
cursor.execute("""SELECT added, subtracted
FROM karma
WHERE normalized=%s""", normalized)
if cursor.rowcount == 0:
irc.reply(msg, '%s has no karma.' % name)
else:
(added, subtracted) = imap(int, cursor.fetchone())
total = added - subtracted
if self.configurables.get('simple-output', channel):
s = '%s: %s' % (name, total)
else:
s = 'Karma for %r has been increased %s ' \
'and decreased %s for a total karma of %s.' % \
(name, utils.nItems('time', added),
utils.nItems('time', subtracted), total)
irc.reply(msg, s)
elif len(args) > 1:
normalizedArgs = sets.Set(imap(str.lower, args))
criteria = ' OR '.join(['normalized=%s'] * len(normalizedArgs))
sql = """SELECT name, added-subtracted
FROM karma WHERE %s
ORDER BY added-subtracted DESC""" % criteria
cursor.execute(sql, *normalizedArgs)
if cursor.rowcount > 0:
L = []
for (n, t) in cursor.fetchall():
L.append('%s: %s' % (n, t))
normalizedArgs.remove(n.lower())
if normalizedArgs:
if len(normalizedArgs) == 1:
ss = '%s has no karma' % normalizedArgs.pop()
else:
LL = list(normalizedArgs)
LL.sort()
ss = '%s have no karma' % utils.commaAndify(LL)
s = '%s. %s.' % (utils.commaAndify(L), ss)
else:
s = utils.commaAndify(L) + '.'
irc.reply(msg, s)
else:
irc.reply(msg, 'I didn\'t know the karma for any '
'of those things.')
else: # No name was given. Return the top/bottom N karmas.
limit = self.configurables.get('karma-ranking-display', channel)
cursor.execute("""SELECT name, added-subtracted
FROM karma
ORDER BY added-subtracted DESC
LIMIT %s""", limit)
highest=['%r (%s)' % (t[0], int(t[1])) for t in cursor.fetchall()]
cursor.execute("""SELECT name, added-subtracted
FROM karma
ORDER BY added-subtracted ASC
LIMIT %s""", limit)
lowest=['%r (%s)' % (t[0], int(t[1])) for t in cursor.fetchall()]
if not (highest and lowest):
irc.error(msg, 'I have no karma for this channel.')
else:
s = 'Highest karma: %s. Lowest karma: %s.' % \
(utils.commaAndify(highest), utils.commaAndify(lowest))
irc.reply(msg, s)
_mostAbbrev = utils.abbrev(['increased', 'decreased', 'active'])
def most(self, irc, msg, args):
"""[<channel>] {increased,decreased,active}
Returns the most increased, the most decreased, or the most active
(the sum of increased and decreased) karma things. <channel> is only
necessary if the message isn't sent in the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
kind = privmsgs.getArgs(args)
try:
kind = self._mostAbbrev[kind]
if kind == 'increased':
orderby = 'added'
elif kind == 'decreased':
orderby = 'subtracted'
elif kind == 'active':
orderby = 'added+subtracted'
else:
self.log.error('Impossible condition in most: kind=%s' % kind)
irc.error(msg, conf.replyPossibleBug)
return
sql = "SELECT name, %s FROM karma ORDER BY %s DESC LIMIT %s" % \
(orderby, orderby,
self.configurables.get('karma-most-display', channel))
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute(sql)
L = ['%s: %s' % (name, int(i)) for (name, i) in cursor.fetchall()]
if L:
irc.reply(msg, utils.commaAndify(L))
else:
irc.error(msg, 'I have no karma for this channel.')
except KeyError:
raise callbacks.ArgumentError
def increaseKarma(self, irc, msg, match):
r"^(\S+)\+\+(|\s+)$"
name = match.group(1)
normalized = name.lower()
db = self.getDb(msg.args[0])
cursor = db.cursor()
cursor.execute("""INSERT INTO karma VALUES (NULL, %s, %s, 0, 0)""",
name, normalized)
cursor.execute("""UPDATE karma
SET added=added+1
WHERE normalized=%s""", normalized)
if self.configurables.get('karma-response', msg.args[0]):
irc.replySuccess(msg)
def decreaseKarma(self, irc, msg, match):
r"^(\S+)--(|\s+)$"
name = match.group(1)
normalized = name.lower()
db = self.getDb(msg.args[0])
cursor = db.cursor()
cursor.execute("""INSERT INTO karma VALUES (NULL, %s, %s, 0, 0)""",
name, normalized)
cursor.execute("""UPDATE karma
SET subtracted=subtracted+1
WHERE normalized=%s""", normalized)
if self.configurables.get('karma-response', msg.args[0]):
irc.replySuccess(msg)
Class = Karma
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: