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127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
#!/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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from baseplugin import *
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import cdb
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class AnagramDatabase:
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def __init__(self, filename):
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self.filename = filename
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self.db = cdb.shelf(self.filename)
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def _makeKey(self, key):
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chars = list(key)
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chars.sort()
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return ''.join(chars)
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def find(self, key):
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key = self._makeKey(key)
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return self.db[key]
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def add(self, word):
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key = self._makeKey(word)
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initial = self.db.get(key, [])
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initial.append(word)
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self.db[key] = initial
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def remove(self, word):
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key = self._makeKey(word)
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l = self.db[key]
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if key not in l:
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raise KeyError, word
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else:
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self.db[key] = [x for x in l if x != key]
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def close(self):
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self.db.close()
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def flush(self):
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self.db.flush()
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class Anagrams(BasePlugin):
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def startanagrams(self, irc, msg, args):
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"<filename of anagrams database>"
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if ircdb.checkCapability(msg.prefix, 'admin'):
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self.filename = os.path.join(world.dataDir, self.getArgs(args))
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self.db = AnagramDatabase(self.filename)
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self.started = True
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self.reply(privmsgs.replySuccess)
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else:
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self.error(privmsgs.replyNoCapability % 'admin')
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def stopanagrams(self, irc, msg, args):
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"<takes no arguments; stop the anagrams plugin."
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if ircdb.checkCapability(msg.prefix, 'admin'):
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self.db.close()
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self.started = False
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self.reply(privmsgs.replySuccess)
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else:
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self.error(privmsgs.replyNoCapability % 'admin')
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def addanagramword(self, irc, msg, args):
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"<word>"
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word = self.getArgs(args)
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self.db.add(word)
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self.reply(privmsgs.replySuccess)
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def delanagramword(self, irc, msg, args):
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"<word>"
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word = self.getArgs(args)
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self.db.remove(word)
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self.reply(privmsgs.replySuccess)
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def anagram(self, irc, msg, args):
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"<word>"
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word = self.getArgs(args)
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try:
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l = [s for s in self.db.find(word) if s != word]
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if l:
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self.reply(', '.join(self.db.find(word)))
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else:
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self.error('%s has no anagrams.' % word)
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except KeyError:
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self.error('%s isn\'t in my anagram dictionary.' % word)
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Class = Anagrams
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###
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# This makes an anagram database from a list of words on stdin.
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###
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if __name__ == '__main__':
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import sys, string
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db = AnagramDatabase(os.path.join(world.dataDir, 'anagrams.db'))
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trans = string.maketrans(string.ascii_uppercase, string.ascii_lowercase)
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for line in sys.stdin:
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db.add(line.translate(trans, '\n'))
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db.flush()
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