Limnoria/plugins/Nickometer.py

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#!/usr/bin/python
###
# Copyright (c) 2004, William Robinson.
# Derived from work (c) 1998, Adam Spiers <adam.spiers@new.ox.ac.uk>
# 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.
###
###
# This algorithm is almost a direct from a the perl nickometer from
# blootbot. Hardly any of the original code has been used, though most of
# the comments, I copy-pasted. As a matter of courtesy, the original copyright
# message follows:
#
# #
# # Lame-o-Nickometer backend
# #
# # (c) 1998 Adam Spiers <adam.spiers@new.ox.ac.uk>
# #
# # You may do whatever you want with this code, but give me credit.
# #
# # $Id$
# #
###
"""
Attempt to port blootbot's nickometer command from perl. This plugin
provides one command (called nickometer) which will tell you how 'lame'
an IRC nick is. It's an elitist hacker thing, but quite fun.
"""
__revision__ = '$Id$'
__author__ = 'William Robinson (baggins) <airbaggins@users.sf.net>'
import plugins
import re
import math
import string
import conf
import utils
import privmsgs
import callbacks
def slowExponent(x):
return 1.3 * x * (1 - math.atan(x / 6.0) * 2 / math.pi)
def slowPow(x, y):
return math.pow(x, slowExponent(y))
def caseShifts(s):
s=re.sub('[^a-zA-Z]', '', s)
s=re.sub('[A-Z]+', 'U', s)
s=re.sub('[a-z]+', 'l', s)
return len(s)-1
def numberShifts(s):
s=re.sub('[^a-zA-Z0-9]', '', s)
s=re.sub('[a-zA-Z]+', 'l', s)
s=re.sub('[0-9]+', 'n', s)
return len(s)-1
def configure(advanced):
# This will be called by setup.py to configure this module. Advanced is
# a bool that specifies whether the user identified himself as an advanced
# user or not. You should effect your configuration by manipulating the
# registry as appropriate.
from questions import expect, anything, something, yn
conf.registerPlugin('Nickometer', True)
class Nickometer(callbacks.Privmsg):
def __init__(self):
callbacks.Privmsg.__init__(self)
def punish(self, damage, reason):
self.log.debug('%s lameness points awarded: %s' % (damage, reason))
return damage
def nickometer(self, irc, msg, args):
"""<nick>
Tells you how lame said nick is.
"""
score = 0L
nick = privmsgs.getArgs(args)
originalNick = nick
if not nick:
irc.error('Give me a nick to judge as the argument, please.')
return
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specialCost = [('69', 500),
('dea?th', 500),
('dark', 400),
('n[i1]ght', 300),
('n[i1]te', 500),
('fuck', 500),
('sh[i1]t', 500),
('coo[l1]', 500),
('kew[l1]', 500),
('lame', 500),
('dood', 500),
('dude', 500),
('[l1](oo?|u)[sz]er', 500),
('[l1]eet', 500),
('e[l1]ite', 500),
('[l1]ord', 500),
('pron', 1000),
('warez', 1000),
('xx', 100),
('\\[rkx]0', 1000),
('\\0[rkx]', 1000)]
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letterNumberTranslator = string.maketrans('023457+8', 'ozeasttb')
for special in specialCost:
tempNick = nick
if special[0][0] != '\\':
tempNick = tempNick.translate(letterNumberTranslator)
if tempNick and re.search(special[0], tempNick, re.IGNORECASE):
score += self.punish(special[1], 'matched special case /%s/' %
special[0])
# I don't really know about either of these next two statements,
# but they don't seem to do much harm.
# Allow Perl referencing
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nick=re.sub('^\\\\([A-Za-z])', '\1', nick);
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# C-- ain't so bad either
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nick=re.sub('^C--$', 'C', nick);
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# Punish consecutive non-alphas
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matches=re.findall('[^\w\d]{2,}',nick)
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for match in matches:
score += self.punish(slowPow(10, len(match)),
'%s consecutive non-alphas ' % len(match))
# Remove balanced brackets ...
while 1:
nickInitial = nick
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nick=re.sub('^([^()]*)(\()(.*)(\))([^()]*)$', '\1\3\5', nick, 1)
nick=re.sub('^([^{}]*)(\{)(.*)(\})([^{}]*)$', '\1\3\5', nick, 1)
nick=re.sub('^([^[\]]*)(\[)(.*)(\])([^[\]]*)$', '\1\3\5', nick, 1)
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if nick == nickInitial:
break
self.log.debug('Removed some matching brackets \'%s\' => \'%s\'' %
(nickInitial, nick));
# ... and punish for unmatched brackets
unmatched = re.findall('[][(){}]', nick)
if len(unmatched) > 0:
score += self.punish(slowPow(10, len(unmatched)),
'%s unmatched parentheses' % len(unmatched))
# Punish k3wlt0k
k3wlt0k_weights = (5, 5, 2, 5, 2, 3, 1, 2, 2, 2)
for i in range(len(k3wlt0k_weights)):
hits=re.findall(`i`, nick)
if (hits and len(hits)>0):
score += self.punish(k3wlt0k_weights[i] * len(hits) * 30,
'%s occurences of %s ' % (len(hits), i))
# An alpha caps is not lame in middle or at end, provided the first
# alpha is caps.
nickOriginalCase = nick
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match = re.search('^([^A-Za-z]*[A-Z].*[a-z].*?)[-_]?([A-Z])', nick)
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if match:
nick = ''.join([nick[:match.start(2)],
nick[match.start(2)].lower(),
nick[match.start(2)+1:]])
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match = re.search('^([^A-Za-z]*)([A-Z])([a-z])', nick)
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if match:
nick = ''.join([nick[:match.start(2)],
nick[match.start(2):match.end(2)].lower(),
nick[match.end(2):]])
# Punish uppercase to lowercase shifts and vice-versa, modulo
# exceptions above
# the commented line is the equivalent of the original, but i think
# they intended my version, otherwise, the first caps alpha will
# still be punished
#cshifts = caseShifts(nickOriginalCase);
cshifts = caseShifts(nick);
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if cshifts > 1 and re.match('.*[A-Z].*', nick):
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score += self.punish(slowPow(9, cshifts),
'%s case shifts' % cshifts)
# Punish lame endings
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if re.match('.*[XZ][^a-zA-Z]*$', nickOriginalCase):
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score += self.punish(50, 'the last alphanumeric character was lame')
# Punish letter to numeric shifts and vice-versa
nshifts = numberShifts(nick);
if nshifts > 1:
score += self.punish(slowPow(9, nshifts),
'%s letter/number shifts' % nshifts)
# Punish extraneous caps
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caps = re.findall('[A-Z]', nick)
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if caps and len(caps) > 0:
score += self.punish(slowPow(7, len(caps)),
'%s extraneous caps' % len(caps))
# one trailing underscore is ok. i also added a - for parasite-
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nick = re.sub('[-_]$','',nick)
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# Punish anything that's left
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remains = re.findall('[^a-zA-Z0-9]', nick)
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if remains and len(remains) > 0:
score += self.punish(50*len(remains) + slowPow(9, len(remains)),
'%s extraneous symbols' % len(remains))
# Use an appropriate function to map [0, +inf) to [0, 100)
percentage = 100 * (1 + math.tanh((score - 400.0) / 400.0)) * \
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(1 - 1 / (1 + score / 5.0)) / 2
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# if it's above 99.9%, show as many digits as is insteresting
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score_string=re.sub('(99\\.9*\\d|\\.\\d).*','\\1',`percentage`)
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irc.reply('The "lame nick-o-meter" reading for "%s" is %s%%.' %
(originalNick, score_string))
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self.log.debug('Calculated lameness score for %s as %s '
'(raw score was %s)' %
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(originalNick, score_string, score))
Class = Nickometer
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: