mirror of https://github.com/Mikaela/Limnoria.git
173 lines
5.8 KiB
Python
173 lines
5.8 KiB
Python
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#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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Lots of stuff relating to random numbers.
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"""
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from baseplugin import *
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import random
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import conf
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import utils
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import ircmsgs
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import ircutils
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import privmsgs
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import callbacks
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def configure(onStart, afterConnect, advanced):
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# This will be called by setup.py to configure this module. onStart and
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# afterConnect are both lists. Append to onStart the commands you would
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# like to be run when the bot is started; append to afterConnect the
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# commands you would like to be run when the bot has finished connecting.
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from questions import expect, anything, something, yn
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onStart.append('load Random')
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if yn('Do you want to specify a seed to be used for the RNG')=='y':
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seed = something('What seed? It must be an int or long.')
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while not seed.isdigit():
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print 'That\'s not a valid seed.'
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seed = something('What seed?')
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onStart.append('seed %s' % seed)
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example = utils.wrapLines("""
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<jemfinch> $list Random
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<angryman> diceroll, random, range, sample, seed
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<jemfinch> $random
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<angryman> 0.478084042957
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<jemfinch> $random
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<angryman> 0.960634332773
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<jemfinch> $seed 50
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<angryman> The operation succeeded.
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<jemfinch> $random
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<angryman> 0.497536568759
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<jemfinch> $seed 50
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<angryman> The operation succeeded.
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<jemfinch> $random
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<angryman> 0.497536568759
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<jemfinch> $range 1 10
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<angryman> 3
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<jemfinch> $range 1 10000000000000
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<angryman> 6374111614437
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<jemfinch> $diceroll
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* angryman rolls a 2
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<jemfinch> $diceroll
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* angryman rolls a 3
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<jemfinch> $diceroll 100
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* angryman rolls a 97
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""")
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class Random(callbacks.Privmsg):
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rng = random.Random()
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def random(self, irc, msg, args):
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"""takes no arguments
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Returns the next random number from the random number
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generator.
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"""
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irc.reply(msg, str(self.rng.random()))
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def seed(self, irc, msg, args):
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"""<seed>
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Sets the seed of the random number generator. <seed> must be an int
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or a long.
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"""
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seed = privmsgs.getArgs(args)
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try:
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seed = long(seed)
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except ValueError:
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# It wasn't a valid long!
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irc.error(msg, '<seed> must be a valid int or long.')
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return
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self.rng.seed(seed)
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irc.reply(msg, conf.replySuccess)
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def range(self, irc, msg, args):
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"""<start> <end>
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Returns a number between <start> and <end>, inclusive (i.e., the number
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can be either of the endpoints.
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"""
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(start, end) = privmsgs.getArgs(args, needed=2)
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try:
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end = int(end)
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start = int(start)
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except ValueError:
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irc.error(msg, '<start> and <end> must both be integers.')
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return
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# .randrange() doesn't include the endpoint, so we use end+1.
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irc.reply(msg, str(self.rng.randrange(start, end+1)))
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def sample(self, irc, msg, args):
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"""<number of items> [<text> ...]
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Returns a sample of the <number of items> taken from the remaining
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arguments. Obviously <number of items> must be less than the number
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of arguments given.
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"""
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try:
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n = int(args.pop(0))
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except IndexError: # raised by .pop(0)
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raise callbacks.ArgumentError
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except ValueError:
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irc.error(msg, '<number of items> must be an integer.')
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return
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if n > len(args):
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irc.error(msg, '<number of items> must be less than the number '
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'of arguments.')
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return
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sample = self.rng.sample(args, n)
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irc.reply(msg, utils.commaAndify(map(repr, sample)))
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def diceroll(self, irc, msg, args):
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"""[<number of sides>]
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Rolls a die with <number of sides> sides. The default number of
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sides is 6.
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"""
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try:
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n = privmsgs.getArgs(args, needed=0, optional=1)
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if not n:
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n = 6
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n = int(n)
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except ValueError:
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irc.error(msg, 'Dice have integer numbers of sides. Use one.')
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return
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s = 'rolls a %s' % self.rng.randrange(1, n)
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irc.queueMsg(ircmsgs.action(ircutils.replyTo(msg), s))
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raise callbacks.CannotNest
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Class = Random
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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