Limnoria/plugins/Karma.py

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2003-11-04 09:42:11 +01:00
#!/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
# 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.
###
"""
Plugin for handling basic Karma stuff for a channel.
"""
import os
import sqlite
import utils
import plugins
import privmsgs
import callbacks
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')
example = utils.wrapLines("""
Add an example IRC session using this module here.
""")
class Karma(callbacks.PrivmsgCommandAndRegexp, plugins.ChannelDBHandler):
addressedRegexps = ['increaseKarma', 'decreaseKarma']
def __init__(self):
plugins.ChannelDBHandler.__init__(self)
callbacks.PrivmsgCommandAndRegexp.__init__(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>] [<text>]
Returns the karma of <text>. If <text> is not given, returns the top
three and bottom three karmas. <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) = map(int, cursor.fetchone())
total = added - subtracted
s = 'Karma for %r has been increased %s %s ' \
'and decreased %s %s for a total karma of %s.' % \
(name, added, utils.pluralize(added, 'time'),
subtracted, utils.pluralize(subtracted, 'time'), total)
irc.reply(msg, s)
elif len(args) > 1:
normalizedArgs = map(str.lower, args)
criteria = ' OR '.join(['normalized=%s'] * len(args))
sql = """SELECT name, added-subtracted
FROM karma WHERE %s
ORDER BY added-subtracted DESC""" % criteria
cursor.execute(sql, *normalizedArgs)
if cursor.rowcount > 0:
s = utils.commaAndify(['%s: %s' % (n, t)
for (n,t) in cursor.fetchall()])
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 3 karmas.
cursor.execute("""SELECT name, added-subtracted
FROM karma
ORDER BY added-subtracted DESC
LIMIT 3""")
highest = ['%r (%s)' % (t[0], t[1]) for t in cursor.fetchall()]
cursor.execute("""SELECT name, added-subtracted
FROM karma
ORDER BY added-subtracted ASC
LIMIT 3""")
lowest = ['%r (%s)' % (t[0], 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)
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def increaseKarma(self, irc, msg, match):
r"^(\S+)\+\+$"
name = match.group(1)
normalized = name.lower()
db = self.getDb(msg.args[0])
cursor = db.cursor()
cursor.execute("""INSERT INTO karma VALUES (NULL, %s, %s, 0, 0)""",
name, normalized)
cursor.execute("""UPDATE karma
SET added=added+1
WHERE normalized=%s""", normalized)
def decreaseKarma(self, irc, msg, match):
r"^(\S+)--$"
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)
Class = Karma
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: