use a different megahal implementation, which seems to be better at saving the brain.
note that nothing megahal is shipped with the bot now, including train files. this bot will expect a ./megahal.trn, and will write to ./megahal.brn (in addition to a slew of other ./megahal.* files). implementation is from http://megahal.alioth.debian.org/
This commit is contained in:
parent
4241071b7e
commit
9732ed2f34
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@ -8,3 +8,4 @@ dr.botzo.cfg
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nbproject
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parser.out
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parsetab.py
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megahal.*
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@ -1,472 +0,0 @@
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# Copyright (c) 2010, Chris Jones
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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
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# met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# - Redistributions in binary form must reproduce the above copyright
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# notice, 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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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Python implementation of megahal markov bot"""
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from time import time
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import shelve
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import random
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import math
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import os
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__version__ = '0.2'
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__author__ = 'Chris Jones <cjones@gruntle.org>'
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__license__ = 'BSD'
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__all__ = ['MegaHAL', 'Dictionary', 'Tree', '__version__', 'DEFAULT_ORDER', 'DEFAULT_BRAINFILE', 'DEFAULT_TIMEOUT']
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DEFAULT_ORDER = 5
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DEFAULT_BRAINFILE = os.path.join(os.environ.get('HOME', ''), '.pymegahal-brain')
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DEFAULT_TIMEOUT = 1.0
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API_VERSION = '1.0'
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END_WORD = '<FIN>'
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ERROR_WORD = '<ERROR>'
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DEFAULT_BANWORDS = ['A', 'ABILITY', 'ABLE', 'ABOUT', 'ABSOLUTE', 'ABSOLUTELY', 'ACROSS', 'ACTUAL', 'ACTUALLY', 'AFTER',
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'AGAIN', 'AGAINST', 'AGO', 'AGREE', 'ALL', 'ALMOST', 'ALONG', 'ALREADY', 'ALTHOUGH', 'ALWAYS',
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'AN', 'AND', 'ANOTHER', 'ANY', 'ANYHOW', 'ANYTHING', 'ANYWAY', 'ARE', "AREN'T", 'AROUND', 'AS',
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'AWAY', 'BACK', 'BAD', 'BE', 'BEEN', 'BEFORE', 'BEHIND', 'BEING', 'BELIEVE', 'BELONG', 'BEST',
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'BETWEEN', 'BIG', 'BIGGER', 'BIGGEST', 'BIT', 'BOTH', 'BUDDY', 'BUT', 'BY', 'CALL', 'CALLED',
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'CAME', 'CAN', "CAN'T", 'CANNOT', 'CARE', 'CARING', 'CASE', 'CATCH', 'CAUGHT', 'CERTAIN',
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'CHANGE', 'CLOSE', 'CLOSER', 'COME', 'COMING', 'COMMON', 'CONSTANT', 'CONSTANTLY', 'COULD',
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'DAY', 'DAYS', 'DERIVED', 'DESCRIBE', 'DESCRIBES', 'DETERMINE', 'DETERMINES', 'DID', "DIDN'T",
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'DOES', "DOESN'T", 'DOING', "DON'T", 'DONE', 'DOUBT', 'DOWN', 'EACH', 'EARLIER', 'EARLY', 'ELSE',
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'ESPECIALLY', 'EVEN', 'EVER', 'EVERY', 'EVERYBODY', 'EVERYONE', 'EVERYTHING', 'FACT', 'FAIR',
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'FAR', 'FELLOW', 'FEW', 'FIND', 'FINE', 'FOR', 'FORM', 'FOUND', 'FROM', 'FULL', 'FURTHER', 'GAVE',
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'GETTING', 'GIVE', 'GIVEN', 'GIVING', 'GO', 'GOING', 'GONE', 'GOOD', 'GOT', 'GOTTEN', 'GREAT',
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'HAS', "HASN'T", 'HAVE', "HAVEN'T", 'HAVING', 'HELD', 'HERE', 'HIGH', 'HOLD', 'HOLDING', 'HOW',
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'IN', 'INDEED', 'INSIDE', 'INSTEAD', 'INTO', 'IS', "ISN'T", 'IT', "IT'S", 'ITS', 'JUST', 'KEEP',
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'KNEW', 'KNOW', 'KNOWN', 'LARGE', 'LARGER', 'LARGETS', 'LAST', 'LATE', 'LATER', 'LEAST', 'LESS',
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"LET'S", 'LEVEL', 'LIKES', 'LITTLE', 'LONG', 'LONGER', 'LOOK', 'LOOKED', 'LOOKING', 'LOOKS', 'LOW',
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'MAKE', 'MAKING', 'MANY', 'MATE', 'MAY', 'MAYBE', 'MEAN', 'MEET', 'MENTION', 'MERE', 'MIGHT',
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'MORE', 'MORNING', 'MOST', 'MOVE', 'MUCH', 'MUST', 'NEAR', 'NEARER', 'NEVER', 'NEXT', 'NICE',
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'NONE', 'NOON', 'NOONE', 'NOT', 'NOTE', 'NOTHING', 'NOW', 'OBVIOUS', 'OF', 'OFF', 'ON', 'ONCE',
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'ONTO', 'OPINION', 'OR', 'OTHER', 'OUR', 'OUT', 'OVER', 'OWN', 'PART', 'PARTICULAR',
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'PERHAPS', 'PERSON', 'PIECE', 'PLACE', 'PLEASANT', 'PLEASE', 'POPULAR', 'PREFER', 'PRETTY', 'PUT',
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'REAL', 'REALLY', 'RECEIVE', 'RECEIVED', 'RECENT', 'RECENTLY', 'RELATED', 'RESULT', 'RESULTING',
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'SAID', 'SAME', 'SAW', 'SAY', 'SAYING', 'SEE', 'SEEM', 'SEEMED', 'SEEMS', 'SEEN', 'SELDOM',
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'SET', 'SEVERAL', 'SHALL', 'SHORT', 'SHORTER', 'SHOULD', 'SHOW', 'SHOWS', 'SIMPLE', 'SIMPLY',
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'SO', 'SOME', 'SOMEONE', 'SOMETHING', 'SOMETIME', 'SOMETIMES', 'SOMEWHERE', 'SORT', 'SORTS',
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'SPENT', 'STILL', 'STUFF', 'SUCH', 'SUGGEST', 'SUGGESTION', 'SUPPOSE', 'SURE', 'SURELY',
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'SURROUNDS', 'TAKE', 'TAKEN', 'TAKING', 'TELL', 'THAN', 'THANK', 'THANKS', 'THAT', "THAT'S",
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'THE', 'THEIR', 'THEM', 'THEN', 'THERE', 'THEREFORE', 'THESE', 'THEY', 'THING', 'THINGS', 'THIS',
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'THOUGH', 'THOUGHTS', 'THOUROUGHLY', 'THROUGH', 'TINY', 'TO', 'TODAY', 'TOGETHER', 'TOLD',
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'TOO', 'TOTAL', 'TOTALLY', 'TOUCH', 'TRY', 'TWICE', 'UNDER', 'UNDERSTAND', 'UNDERSTOOD', 'UNTIL',
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'US', 'USED', 'USING', 'USUALLY', 'VARIOUS', 'VERY', 'WANT', 'WANTED', 'WANTS', 'WAS', 'WATCH',
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'WAYS', 'WE', "WE'RE", 'WELL', 'WENT', 'WERE', 'WHAT', "WHAT'S", 'WHATEVER', 'WHATS', 'WHEN',
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"WHERE'S", 'WHICH', 'WHILE', 'WHILST', 'WHO', "WHO'S", 'WHOM', 'WILL', 'WISH', 'WITH', 'WITHIN',
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'WONDERFUL', 'WORSE', 'WORST', 'WOULD', 'WRONG', 'YESTERDAY', 'YET']
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DEFAULT_AUXWORDS = ['DISLIKE', 'HE', 'HER', 'HERS', 'HIM', 'HIS', 'I', "I'D", "I'LL", "I'M", "I'VE", 'LIKE', 'ME',
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'MY', 'MYSELF', 'ONE', 'SHE', 'THREE', 'TWO', 'YOU', "YOU'D", "YOU'LL", "YOU'RE", "YOU'VE", 'YOUR',
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'YOURSELF']
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DEFAULT_SWAPWORDS = {"YOU'RE": "I'M", "YOU'D": "I'D", 'HATE': 'LOVE', 'YOUR': 'MY', "I'LL": "YOU'LL", 'NO': 'YES',
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'WHY': 'BECAUSE', 'YOU': 'ME', 'LOVE': 'HATE', 'I': 'YOU', 'MINE': 'YOURS', 'YOURSELF': 'MYSELF',
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'DISLIKE': 'LIKE', "I'M": "YOU'RE", 'ME': 'YOU', 'MYSELF': 'YOURSELF', 'LIKE': 'DISLIKE',
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"I'D": "YOU'D", "YOU'VE": "I'VE", 'YES': 'NO', 'MY': 'YOUR'}
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class Tree(object):
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def __init__(self, symbol=0):
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self.symbol = symbol
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self.usage = 0
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self.count = 0
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self.children = []
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def add_symbol(self, symbol):
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node = self.get_child(symbol)
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node.count += 1
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self.usage += 1
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return node
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def get_child(self, symbol, add=True):
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for child in self.children:
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if child.symbol == symbol:
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break
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else:
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if add:
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child = Tree(symbol)
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self.children.append(child)
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else:
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child = None
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return child
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class Dictionary(list):
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def add_word(self, word):
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try:
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return self.index(word)
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except ValueError:
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self.append(word)
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return len(self) - 1
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def find_word(self, word):
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try:
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return self.index(word)
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except ValueError:
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return 0
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class Brain(object):
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def __init__(self, order, file, timeout):
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self.timeout = timeout
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self.db = shelve.open(file, protocol=2, writeback=True)
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if self.db.setdefault('api', API_VERSION) != API_VERSION:
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raise ValueError('This brain has an incompatible api version: %d != %d' % (self.db['api'], API_VERSION))
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if self.db.setdefault('order', order) != order:
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raise ValueError('This brain already has an order of %d' % self.db['order'])
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self.forward = self.db.setdefault('forward', Tree())
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self.backward = self.db.setdefault('backward', Tree())
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self.dictionary = self.db.setdefault('dictionary', Dictionary())
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self.error_symbol = self.dictionary.add_word(ERROR_WORD)
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self.end_symbol = self.dictionary.add_word(END_WORD)
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self.banwords = self.db.setdefault('banwords', Dictionary(DEFAULT_BANWORDS))
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self.auxwords = self.db.setdefault('auxwords', Dictionary(DEFAULT_AUXWORDS))
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self.swapwords = self.db.setdefault('swapwords', DEFAULT_SWAPWORDS)
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self.closed = False
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@property
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def order(self):
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return self.db['order']
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@staticmethod
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def get_words_from_phrase(phrase):
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phrase = phrase.upper()
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words = []
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if phrase:
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offset = 0
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def boundary(string, position):
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if position == 0:
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boundary = False
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elif position == len(string):
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boundary = True
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elif (string[position] == "'" and
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string[position - 1].isalpha() and
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position + 1 == len(string)):
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boundary = True
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elif (string[position] == "'" and
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string[position - 1].isalpha() and
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string[position + 1].isalpha()):
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boundary = False
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elif (position > 1 and
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string[position - 1] == "'" and
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string[position - 2].isalpha() and
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string[position].isalpha()):
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boundary = False
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elif (string[position].isalpha() and
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not string[position - 1].isalpha()):
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boundary = True
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elif (not string[position].isalpha() and
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string[position - 1].isalpha()):
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boundary = True
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elif string[position].isdigit() != string[position -1].isdigit():
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boundary = True
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else:
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boundary = False
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return boundary
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while True:
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if boundary(phrase, offset):
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word, phrase = phrase[:offset], phrase[offset:]
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words.append(word)
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if not phrase:
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break
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offset = 0
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else:
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offset += 1
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if words[-1][0].isalnum():
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words.append('.')
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elif words[-1][-1] not in '!.?':
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words[-1] = '.'
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return words
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def communicate(self, phrase, learn=True, reply=True):
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words = self.get_words_from_phrase(phrase)
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if learn:
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self.learn(words)
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if reply:
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return self.get_reply(words)
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def get_context(self, tree):
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class Context(dict):
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def __enter__(context):
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context.used_key = False
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context[0] = tree
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return context
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def __exit__(context, *exc_info):
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context.update(self.end_symbol)
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@property
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def root(context):
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return context[0]
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def update(context, symbol):
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for i in xrange(self.order + 1, 0, -1):
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node = context.get(i - 1)
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if node is not None:
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context[i] = node.add_symbol(symbol)
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def seed(context, keys):
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if keys:
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i = random.randrange(len(keys))
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for key in keys[i:] + keys[:i]:
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if key not in self.auxwords:
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try:
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return self.dictionary.index(key)
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except ValueError:
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pass
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if context.root.children:
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return random.choice(context.root.children).symbol
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return 0
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def babble(context, keys, replies):
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for i in xrange(self.order + 1):
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if context.get(i) is not None:
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node = context[i]
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if not node.children:
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return 0
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i = random.randrange(len(node.children))
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count = random.randrange(node.usage)
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symbol = 0
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while count >= 0:
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symbol = node.children[i].symbol
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word = self.dictionary[symbol]
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if word in keys and (context.used_key or word not in self.auxwords):
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context.used_key = True
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break
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count -= node.children[i].count
|
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if i >= len(node.children) - 1:
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i = 0
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else:
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i = i + 1
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return symbol
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|
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return Context()
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|
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def learn(self, words):
|
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if len(words) > self.order:
|
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with self.get_context(self.forward) as context:
|
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for word in words:
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context.update(self.dictionary.add_word(word))
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with self.get_context(self.backward) as context:
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for word in reversed(words):
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context.update(self.dictionary.index(word))
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def get_reply(self, words):
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keywords = self.make_keywords(words)
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dummy_reply = self.generate_replywords()
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if not dummy_reply or words == dummy_reply:
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output = self.get_words_from_phrase("I don't know enough to answer yet!")
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else:
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output = dummy_reply
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max_surprise = -1.0
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basetime = time()
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while time() - basetime < self.timeout:
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reply = self.generate_replywords(keywords)
|
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surprise = self.evaluate_reply(keywords, reply)
|
||||
if reply and surprise > max_surprise and reply != keywords:
|
||||
max_surprise = surprise
|
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output = reply
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||||
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return ''.join(output).capitalize()
|
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def evaluate_reply(self, keys, words):
|
||||
state = {'num': 0, 'entropy': 0.0}
|
||||
if words:
|
||||
|
||||
def evaluate(node, words):
|
||||
with self.get_context(node) as context:
|
||||
for word in words:
|
||||
symbol = self.dictionary.index(word)
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context.update(symbol)
|
||||
if word in keys:
|
||||
prob = 0.0
|
||||
count = 0
|
||||
state['num'] += 1
|
||||
for j in xrange(self.order):
|
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node = context.get(j)
|
||||
if node is not None:
|
||||
child = node.get_child(symbol, add=False)
|
||||
if child:
|
||||
prob += float(child.count) / node.usage
|
||||
count += 1
|
||||
if count:
|
||||
state['entropy'] -= math.log(prob / count)
|
||||
|
||||
evaluate(self.forward, words)
|
||||
evaluate(self.backward, reversed(words))
|
||||
|
||||
if state['num'] >= 8:
|
||||
state['entropy'] /= math.sqrt(state['num'] - 1)
|
||||
if state['num'] >= 16:
|
||||
state['entropy'] /= state['num']
|
||||
return state['entropy']
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|
||||
def generate_replywords(self, keys=None):
|
||||
if keys is None:
|
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keys = []
|
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replies = []
|
||||
with self.get_context(self.forward) as context:
|
||||
start = True
|
||||
while True:
|
||||
if start:
|
||||
symbol = context.seed(keys)
|
||||
start = False
|
||||
else:
|
||||
symbol = context.babble(keys, replies)
|
||||
if symbol in (self.error_symbol, self.end_symbol):
|
||||
break
|
||||
replies.append(self.dictionary[symbol])
|
||||
context.update(symbol)
|
||||
with self.get_context(self.backward) as context:
|
||||
if replies:
|
||||
for i in xrange(min([(len(replies) - 1), self.order]), -1, -1):
|
||||
context.update(self.dictionary.index(replies[i]))
|
||||
while True:
|
||||
symbol = context.babble(keys, replies)
|
||||
if symbol in (self.error_symbol, self.end_symbol):
|
||||
break
|
||||
replies.insert(0, self.dictionary[symbol])
|
||||
context.update(symbol)
|
||||
|
||||
return replies
|
||||
|
||||
def make_keywords(self, words):
|
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keys = Dictionary()
|
||||
for word in words:
|
||||
try:
|
||||
word = self.swapwords[word]
|
||||
except KeyError:
|
||||
pass
|
||||
if (self.dictionary.find_word(word) != self.error_symbol and word[0].isalnum() and
|
||||
word not in self.banwords and word not in self.auxwords and word not in keys):
|
||||
keys.append(word)
|
||||
|
||||
if keys:
|
||||
for word in words:
|
||||
try:
|
||||
word = self.swapwords[word]
|
||||
except KeyError:
|
||||
pass
|
||||
if (self.dictionary.find_word(word) != self.error_symbol and word[0].isalnum() and
|
||||
word in self.auxwords and word not in keys):
|
||||
keys.append(word)
|
||||
|
||||
return keys
|
||||
|
||||
def add_key(self, keys, word):
|
||||
if (self.dictionary.find_word(word) != self.error_symbol and
|
||||
self.banwords.find_word(word) == self.error_symbol and
|
||||
self.auxwords.find_word(word) == self.error_symbol):
|
||||
keys.add_word(word)
|
||||
|
||||
def sync(self):
|
||||
self.db.sync()
|
||||
|
||||
def close(self):
|
||||
if not self.closed:
|
||||
print 'Closing database'
|
||||
self.db.close()
|
||||
self.closed = True
|
||||
|
||||
def __del__(self):
|
||||
try:
|
||||
self.close()
|
||||
except:
|
||||
pass
|
||||
|
||||
|
||||
class MegaHAL(object):
|
||||
|
||||
def __init__(self, order=None, brainfile=None, timeout=None):
|
||||
if order is None:
|
||||
order = DEFAULT_ORDER
|
||||
if brainfile is None:
|
||||
brainfile = DEFAULT_BRAINFILE
|
||||
if timeout is None:
|
||||
timeout = DEFAULT_TIMEOUT
|
||||
self.__brain = Brain(order, brainfile, timeout)
|
||||
|
||||
@property
|
||||
def banwords(self):
|
||||
"""This is a list of words which cannot be used as keywords"""
|
||||
return self.__brain.banwords
|
||||
|
||||
@property
|
||||
def auxwords(self):
|
||||
"""This is a list of words which can be used as keywords only in order to supplement other keywords"""
|
||||
return self.__brain.auxwords
|
||||
|
||||
@property
|
||||
def swapwords(self):
|
||||
"""The word on the left is changed to the word on the right when used as a keyword"""
|
||||
return self.__brain.swapwords
|
||||
|
||||
def train(self, file):
|
||||
"""Train the brain with textfile, each line is a phrase"""
|
||||
with open(file, 'rb') as fp:
|
||||
for line in fp:
|
||||
line = line.strip()
|
||||
if line and not line.startswith('#'):
|
||||
self.learn(line)
|
||||
|
||||
def learn(self, phrase):
|
||||
"""Learn from phrase"""
|
||||
self.__brain.communicate(phrase, reply=False)
|
||||
|
||||
def get_reply(self, phrase):
|
||||
"""Get a reply based on the phrase"""
|
||||
return self.__brain.communicate(phrase)
|
||||
|
||||
def get_reply_nolearn(self, phrase):
|
||||
"""Get a reply without updating the database"""
|
||||
return self.__brain.communicate(phrase, learn=False)
|
||||
|
||||
def interact(self):
|
||||
"""Have a friendly chat session.. ^D to exit"""
|
||||
while True:
|
||||
try:
|
||||
phrase = raw_input('>>> ')
|
||||
except EOFError:
|
||||
break
|
||||
if phrase:
|
||||
print self.get_reply(phrase)
|
||||
|
||||
def sync(self):
|
||||
"""Flush any changes to disk"""
|
||||
self.__brain.sync()
|
||||
|
||||
def close(self):
|
||||
"""Close database"""
|
||||
self.__brain.close()
|
||||
|
|
@ -17,11 +17,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
"""
|
||||
|
||||
from ConfigParser import NoOptionError
|
||||
import mh_python
|
||||
import os
|
||||
import re
|
||||
|
||||
from extlib import irclib
|
||||
from extlib import megahal
|
||||
|
||||
from Module import Module
|
||||
|
||||
|
|
@ -35,17 +35,13 @@ class MegaHAL(Module):
|
|||
|
||||
Module.__init__(self, config, server, modlist)
|
||||
|
||||
try:
|
||||
filename = self.config.get(self.__class__.__name__, 'brainfile')
|
||||
self.megahal = megahal.MegaHAL(None, filename, 1)
|
||||
except NoOptionError:
|
||||
self.megahal = megahal.MegaHAL()
|
||||
mh_python.initbrain()
|
||||
|
||||
def shutdown(self):
|
||||
"""
|
||||
Close the megahal brain.
|
||||
"""
|
||||
self.megahal.close()
|
||||
mh_python.cleanup()
|
||||
|
||||
def reload(self):
|
||||
"""
|
||||
|
|
@ -53,6 +49,8 @@ class MegaHAL(Module):
|
|||
|
||||
TODO: figure out why this is broken. (probably because nothing closes the old
|
||||
brain file or deletes the old object, and then all hell breaks loose.)
|
||||
|
||||
Is this still the case with the new MegaHAL library?
|
||||
"""
|
||||
|
||||
def do(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
|
||||
|
|
@ -72,14 +70,13 @@ class MegaHAL(Module):
|
|||
line = addressed_re.sub('', line)
|
||||
append_nick = True
|
||||
|
||||
reply = self.megahal.get_reply(line)
|
||||
reply = mh_python.doreply(line)
|
||||
elif re.search('^megahal$', line, re.IGNORECASE) is not None:
|
||||
reply = self.megahal.get_reply_nolearn('')
|
||||
reply = mh_python.doreply('')
|
||||
elif replypath is not None:
|
||||
# only learn if the command is not an internal one
|
||||
self.megahal.learn(line)
|
||||
mh_python.learn(line)
|
||||
|
||||
self.megahal.sync()
|
||||
if reply is not "":
|
||||
if append_nick:
|
||||
reply = nick + ": " + reply
|
||||
|
|
|
|||
Loading…
Reference in New Issue