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329 lines
12 KiB
Python
329 lines
12 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002-2004, 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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This handles interesting things to do with a dictionary (words) database.
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"""
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__revision__ = "$Id$"
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import supybot
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import supybot.plugins as plugins
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import os
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import re
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import copy
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import time
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import random
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import string
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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conf.registerPlugin('Words')
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conf.registerGlobalValue(conf.supybot.plugins.Words, 'file',
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conf.DataFilename('words', """Determines what file in your data directory
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will be used by this plugin as its list of words."""))
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conf.registerGroup(conf.supybot.plugins.Words, 'hangman')
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conf.registerChannelValue(conf.supybot.plugins.Words.hangman, 'maxTries',
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registry.Integer(6, """Determines how many opportunities users will have to
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guess letters in the hangman game."""))
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conf.registerChannelValue(conf.supybot.plugins.Words.hangman, 'prefix',
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registry.StringWithSpaceOnRight('-= HANGMAN =- ', """Determines what prefix
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string is placed in front of hangman-related messages sent to the
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channel."""))
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conf.registerChannelValue(conf.supybot.plugins.Words.hangman, 'timeout',
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registry.Integer(300, """Determines how long a game must be idle before it
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will be replaced with a new game."""))
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def wordsFile():
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return file(conf.supybot.plugins.Words.file())
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class HangmanGame:
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def __init__(self):
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self.tries = 0
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self.guess = ''
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self.prefix = ''
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self.unused = ''
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self.hidden = ''
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self.timeout = 0
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self.timeGuess = 0
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self.guessed = False
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def getWord(self):
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fd = wordsFile()
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try:
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return random.choice(fd).strip().lower()
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finally:
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fd.close()
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def timedout(self):
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elapsed = time.time() - self.timeGuess
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return elapsed > self.timeout
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def letterPositions(self, letter, word):
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"""Returns a list containing the positions of letter in word."""
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lst = []
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for (i, c) in enumerate(word):
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if c == letter:
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lst.append(i)
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return lst
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def addLetter(self, letter, word, pos):
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"""
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Replaces all characters of word at positions contained in pos
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by letter.
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"""
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newWord = []
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for (i, c) in enumerate(word):
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if i in pos:
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newWord.append(letter)
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else:
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newWord.append(c)
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return ''.join(newWord)
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def triesLeft(self, n=None):
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"""
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Returns the number of tries and the correctly pluralized try/tries
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"""
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if n is None:
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n = self.tries
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return utils.nItems('try', n)
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def letterArticle(self, letter):
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"""Returns 'a' or 'an' to match the letter that will come after."""
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anLetters = 'aefhilmnorsx'
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if letter in anLetters:
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return 'an'
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else:
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return 'a'
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class Words(callbacks.Privmsg):
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def callCommand(self, command, irc, msg, args):
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# We'll catch the IOError here.
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try:
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callbacks.Privmsg.callCommand(self, command, irc, msg, args)
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except EnvironmentError, e:
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irc.error('I couldn\'t open the words file. This plugin expects '
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'a words file (i.e., a file with one word per line, in '
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'sorted order) to be at %s. Contact the owner of this '
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'bot to remedy this situation.' %
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self.registryValue('file'))
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def crossword(self, irc, msg, args):
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"""<word>
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Gives the possible crossword completions for <word>; use underscores
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('_') to denote blank spaces.
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"""
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word = privmsgs.getArgs(args).lower()
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word = re.escape(word)
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word = word.replace('\\_', '_') # Stupid re.escape escapes underscores!
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word = word.replace('_', '.')
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word = '^%s$' % word
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wordRe = re.compile(word, re.I)
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words = []
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fd = wordsFile()
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try:
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for line in fd:
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line = line.strip()
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if wordRe.match(line):
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words.append(line)
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if len(words) > 100:
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irc.reply('More than 100 words matched.')
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return
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finally:
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fd.close()
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hiddens = [game.hidden for game in self.games.itervalues()
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if not game.timedout()]
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if hiddens and any(hiddens.__contains__, words):
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irc.error('Sorry, one of the responses would\'ve been an answer '
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'in a currently active hangman game.')
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return
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if words:
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words.sort()
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irc.reply(utils.commaAndify(words))
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else:
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irc.reply('No matching words were found.')
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###
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# HANGMAN
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###
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games = ircutils.IrcDict()
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validLetters = list(string.ascii_lowercase)
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def endGame(self, channel):
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del self.games[channel]
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def letters(self, irc, msg, args):
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"""[<channel>]
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Returns the unused letters that can be guessed in the hangman game
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in <channel>. <channel> is only necessary if the message isn't sent in
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the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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if channel in self.games:
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game = self.games[channel]
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if game is not None:
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self._hangmanReply(irc, channel, ' '.join(game.unused))
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return
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irc.error('There is currently no hangman game in %s.' % channel)
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def _hangmanReply(self, irc, channel, s):
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s = self.registryValue('hangman.prefix', channel=channel) + s
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irc.reply(s, prefixName=False)
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def hangman(self, irc, msg, args):
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"""[<channel>]
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Creates a new game of hangman in <channel>. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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# Fill our dictionary of games
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if channel not in self.games:
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self.games[channel] = None
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# We only start a new game if no other game is going on right now
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if self.games[channel] is None:
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self.games[channel] = HangmanGame()
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game = self.games[channel]
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game.timeout = self.registryValue('hangman.timeout', channel)
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game.timeGuess = time.time()
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game.tries = self.registryValue('hangman.maxTries', channel)
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game.prefix = self.registryValue('hangman.prefix', channel)
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game.guessed = False
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game.unused = copy.copy(self.validLetters)
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try:
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game.hidden = game.getWord()
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except EnvironmentError, e:
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del self.games[channel]
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raise
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game.guess = re.sub('[%s]' % string.ascii_lowercase, '_',
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game.hidden)
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self._hangmanReply(irc, channel,
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'Okay ladies and gentlemen, you have '
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'a %s-letter word to find, you have %s!' %
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(game.guess.count('_'), game.triesLeft()))
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# So, a game is going on, but let's see if it's timed out. If it is
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# we create a new one, otherwise we inform the user
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else:
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game = self.games[channel]
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if game.timedout():
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self.endGame(channel)
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self.hangman(irc, msg, args)
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else:
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secondsElapsed = time.time() - game.timeGuess
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irc.reply('Sorry, there is already a game going on. '
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'%s left before the game times out.' %
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utils.timeElapsed(game.timeout - secondsElapsed))
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def guess(self, irc, msg, args):
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"""[<channel>] <letter|word>
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Try to guess a single letter or the whole word. If you try to guess
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the whole word and you are wrong, you automatically lose.
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"""
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channel = privmsgs.getChannel(msg, args)
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try:
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game = self.games[channel]
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if game is None:
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raise KeyError
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except KeyError:
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irc.error('There is no hangman game going on right now.')
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return
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letter = privmsgs.getArgs(args)
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game.timeGuess = time.time()
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# User input a valid letter that hasn't been already tried
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if letter in game.unused:
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del game.unused[game.unused.index(letter)]
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if letter in game.hidden:
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self._hangmanReply(irc, channel,
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'Yes, there is %s %r.' %
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(game.letterArticle(letter), letter))
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game.guess = game.addLetter(letter, game.guess,
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game.letterPositions(letter,
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game.hidden))
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if game.guess == game.hidden:
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game.guessed = True
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else:
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self._hangmanReply(irc, channel, 'No, there is no %r.' % letter)
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game.tries -= 1
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self._hangmanReply(irc, channel,
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'%s (%s left)' % (game.guess, game.triesLeft()))
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# User input a valid character that has already been tried
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elif letter in self.validLetters:
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irc.error('That letter has already been tried.')
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# User tries to guess the whole word or entered an invalid input
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else:
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# The length of the word tried by the user and that of the hidden
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# word are same, so we assume the user wants to guess the whole
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# word
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if len(letter) == len(game.hidden):
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if letter == game.hidden:
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game.guessed = True
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else:
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self._hangmanReply(irc, channel,
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'You did not guess the word, so you '
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'lose a try.')
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game.tries -= 1
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else:
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# User input an invalid character
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if len(letter) == 1:
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irc.error('That is not a valid letter.')
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# User input an invalid word (len(try) != len(hidden))
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else:
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irc.error('That is not a valid word guess.')
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# Verify if the user won or lost
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if game.guessed and game.tries > 0:
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self._hangmanReply(irc, channel,
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'You win! The word was indeed %r.' %
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game.hidden)
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self.endGame(channel)
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elif not game.guessed and game.tries == 0:
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self._hangmanReply(irc, channel,
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'You lose! The word was %r.' % game.hidden)
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self.endGame(channel)
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###
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# END HANGMAN
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###
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Class = Words
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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