Limnoria/plugins/Karma/plugin.py

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###
# Copyright (c) 2005, Jeremiah Fincher
# Copyright (c) 2010, James Vega
# 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.
###
import os
import csv
import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
from supybot.i18n import PluginInternationalization, internationalizeDocstring
_ = PluginInternationalization('Karma')
class SqliteKarmaDB(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 Karma. Download it at ' \
'<http://code.google.com/p/pysqlite/>'
filename = plugins.makeChannelFilename(self.filename, channel)
if filename in self.dbs:
return self.dbs[filename]
if os.path.exists(filename):
self.dbs[filename] = sqlite.connect(filename)
return self.dbs[filename]
db = sqlite.connect(filename)
self.dbs[filename] = db
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 get(self, channel, thing):
db = self._getDb(channel)
thing = thing.lower()
cursor = db.cursor()
cursor.execute("""SELECT added, subtracted FROM karma
WHERE normalized=%s""", thing)
if cursor.rowcount == 0:
return None
else:
return map(int, cursor.fetchone())
def gets(self, channel, things):
db = self._getDb(channel)
cursor = db.cursor()
normalizedThings = dict(zip(map(lambda s: s.lower(), things), things))
criteria = ' OR '.join(['normalized=%s'] * len(normalizedThings))
sql = """SELECT name, added-subtracted FROM karma
WHERE %s ORDER BY added-subtracted DESC""" % criteria
cursor.execute(sql, *normalizedThings)
L = [(name, int(karma)) for (name, karma) in cursor.fetchall()]
for (name, _) in L:
del normalizedThings[name.lower()]
neutrals = normalizedThings.values()
neutrals.sort()
return (L, neutrals)
def top(self, channel, limit):
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT name, added-subtracted FROM karma
ORDER BY added-subtracted DESC LIMIT %s""", limit)
return [(t[0], int(t[1])) for t in cursor.fetchall()]
def bottom(self, channel, limit):
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT name, added-subtracted FROM karma
ORDER BY added-subtracted ASC LIMIT %s""", limit)
return [(t[0], int(t[1])) for t in cursor.fetchall()]
def rank(self, channel, thing):
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT added-subtracted FROM karma
WHERE name=%s""", thing)
if cursor.rowcount == 0:
return None
karma = int(cursor.fetchone()[0])
cursor.execute("""SELECT COUNT(*) FROM karma
WHERE added-subtracted > %s""", karma)
rank = int(cursor.fetchone()[0])
2005-02-26 17:24:26 +01:00
return rank+1
def size(self, channel):
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT COUNT(*) FROM karma""")
return int(cursor.fetchone()[0])
def increment(self, channel, name):
db = self._getDb(channel)
cursor = db.cursor()
normalized = name.lower()
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)
db.commit()
def decrement(self, channel, name):
db = self._getDb(channel)
cursor = db.cursor()
normalized = name.lower()
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)
db.commit()
def most(self, channel, kind, limit):
if kind == 'increased':
orderby = 'added'
elif kind == 'decreased':
orderby = 'subtracted'
elif kind == 'active':
orderby = 'added+subtracted'
else:
raise ValueError, 'invalid kind'
sql = """SELECT name, %s FROM karma ORDER BY %s DESC LIMIT %s""" % \
(orderby, orderby, limit)
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute(sql)
return [(name, int(i)) for (name, i) in cursor.fetchall()]
def clear(self, channel, name):
db = self._getDb(channel)
cursor = db.cursor()
normalized = name.lower()
cursor.execute("""UPDATE karma SET subtracted=0, added=0
WHERE normalized=%s""", normalized)
db.commit()
def dump(self, channel, filename):
filename = conf.supybot.directories.data.dirize(filename)
fd = utils.transactionalFile(filename)
out = csv.writer(fd)
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT name, added, subtracted FROM karma""")
for (name, added, subtracted) in cursor.fetchall():
out.writerow([name, added, subtracted])
fd.close()
def load(self, channel, filename):
filename = conf.supybot.directories.data.dirize(filename)
fd = file(filename)
reader = csv.reader(fd)
db = self._getDb(channel)
cursor = db.cursor()
cursor.execute("""DELETE FROM karma""")
for (name, added, subtracted) in reader:
normalized = name.lower()
cursor.execute("""INSERT INTO karma
VALUES (NULL, %s, %s, %s, %s)""",
name, normalized, added, subtracted)
db.commit()
fd.close()
KarmaDB = plugins.DB('Karma',
{'sqlite': SqliteKarmaDB})
class Karma(callbacks.Plugin):
callBefore = ('Factoids', 'MoobotFactoids', 'Infobot')
def __init__(self, irc):
self.__parent = super(Karma, self)
self.__parent.__init__(irc)
self.db = KarmaDB()
def die(self):
self.__parent.die()
self.db.close()
def _normalizeThing(self, thing):
assert thing
if thing[0] == '(' and thing[-1] == ')':
thing = thing[1:-1]
return thing
def _respond(self, irc, channel):
if self.registryValue('response', channel):
irc.replySuccess()
else:
irc.noReply()
def _doKarma(self, irc, channel, thing):
assert thing[-2:] in ('++', '--')
if thing.endswith('++'):
thing = thing[:-2]
if ircutils.strEqual(thing, irc.msg.nick) and \
not self.registryValue('allowSelfRating', channel):
irc.error(_('You\'re not allowed to adjust your own karma.'))
elif thing:
self.db.increment(channel, self._normalizeThing(thing))
self._respond(irc, channel)
else:
thing = thing[:-2]
if ircutils.strEqual(thing, irc.msg.nick) and \
not self.registryValue('allowSelfRating', channel):
irc.error(_('You\'re not allowed to adjust your own karma.'))
elif thing:
self.db.decrement(channel, self._normalizeThing(thing))
self._respond(irc, channel)
def invalidCommand(self, irc, msg, tokens):
channel = msg.args[0]
if not irc.isChannel(channel):
return
if tokens[-1][-2:] in ('++', '--'):
thing = ' '.join(tokens)
self._doKarma(irc, channel, thing)
def doPrivmsg(self, irc, msg):
# We don't handle this if we've been addressed because invalidCommand
# will handle it for us. This prevents us from accessing the db twice
# and therefore crashing.
if not (msg.addressed or msg.repliedTo):
channel = msg.args[0]
if irc.isChannel(channel) and \
not ircmsgs.isCtcp(msg) and \
self.registryValue('allowUnaddressedKarma', channel):
irc = callbacks.SimpleProxy(irc, msg)
thing = msg.args[1].rstrip()
if thing[-2:] in ('++', '--'):
self._doKarma(irc, channel, thing)
@internationalizeDocstring
def karma(self, irc, msg, args, channel, things):
"""[<channel>] [<thing> ...]
Returns the karma of <thing>. If <thing> is not given, returns the top
N karmas, where N is determined by the config variable
supybot.plugins.Karma.rankingDisplay. 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.
"""
if len(things) == 1:
name = things[0]
t = self.db.get(channel, name)
if t is None:
irc.reply(format(_('%s has neutral karma.'), name))
else:
(added, subtracted) = t
total = added - subtracted
if self.registryValue('simpleOutput', channel):
s = format('%s: %i', name, total)
else:
s = format(_('Karma for %q has been increased %n and '
'decreased %n for a total karma of %s.'),
name, (added, 'time'), (subtracted, 'time'),
total)
irc.reply(s)
elif len(things) > 1:
(L, neutrals) = self.db.gets(channel, things)
if L:
s = format('%L', [format('%s: %i', *t) for t in L])
if neutrals:
neutral = format('. %L %h neutral karma',
neutrals, len(neutrals))
s += neutral
irc.reply(s + '.')
else:
irc.reply(_('I didn\'t know the karma for any of those '
'things.'))
else: # No name was given. Return the top/bottom N karmas.
limit = self.registryValue('rankingDisplay', channel)
top = self.db.top(channel, limit)
highest = [format('%q (%s)', s, t)
for (s, t) in self.db.top(channel, limit)]
lowest = [format('%q (%s)', s, t)
for (s, t) in self.db.bottom(channel, limit)]
if not (highest and lowest):
irc.error(_('I have no karma for this channel.'))
return
rank = self.db.rank(channel, msg.nick)
if rank is not None:
total = self.db.size(channel)
rankS = format(_(' You (%s) are ranked %i out of %i.'),
msg.nick, rank, total)
else:
rankS = ''
s = format(_('Highest karma: %L. Lowest karma: %L.%s'),
highest, lowest, rankS)
irc.reply(s)
karma = wrap(karma, ['channel', any('something')])
_mostAbbrev = utils.abbrev(['increased', 'decreased', 'active'])
@internationalizeDocstring
def most(self, irc, msg, args, channel, kind):
"""[<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.
"""
L = self.db.most(channel, kind,
self.registryValue('mostDisplay', channel))
if L:
L = [format('%q: %i', name, i) for (name, i) in L]
irc.reply(format('%L', L))
else:
irc.error(_('I have no karma for this channel.'))
most = wrap(most, ['channel',
('literal', ['increased', 'decreased', 'active'])])
@internationalizeDocstring
def clear(self, irc, msg, args, channel, name):
"""[<channel>] <name>
Resets the karma of <name> to 0.
"""
self.db.clear(channel, name)
irc.replySuccess()
clear = wrap(clear, [('checkChannelCapability', 'op'), 'text'])
@internationalizeDocstring
def dump(self, irc, msg, args, channel, filename):
"""[<channel>] <filename>
Dumps the Karma database for <channel> to <filename> in the bot's
data directory. <channel> is only necessary if the message isn't sent
in the channel itself.
"""
self.db.dump(channel, filename)
irc.replySuccess()
dump = wrap(dump, [('checkCapability', 'owner'), 'channeldb', 'filename'])
@internationalizeDocstring
def load(self, irc, msg, args, channel, filename):
"""[<channel>] <filename>
Loads the Karma database for <channel> from <filename> in the bot's
data directory. <channel> is only necessary if the message isn't sent
in the channel itself.
"""
self.db.load(channel, filename)
irc.replySuccess()
load = wrap(load, [('checkCapability', 'owner'), 'channeldb', 'filename'])
Class = Karma
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: