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Diffstat (limited to 'eliza.py')
| -rw-r--r-- | eliza.py | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/eliza.py b/eliza.py new file mode 100644 index 0000000..1d67bc8 --- /dev/null +++ b/eliza.py @@ -0,0 +1,326 @@ +#!/usr/bin/python +#This program is free software: you can redistribute it and/or modify +#it under the terms of the GNU General Public License as published by +#the Free Software Foundation, either version 3 of the License, or +#(at your option) any later version. +#This program is distributed in the hope that it will be useful, +#but WITHOUT ANY WARRANTY; without even the implied warranty of +#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +#GNU General Public License for more details. +#For a copy of the license see . + +# A simple eliza bot in python +# +import re +import random + +patternResps = [ + #[[pattern],[response]] + #Basics + [[0,'my','name','is',[1,'Username'],0],['will','you','be','my','friend',[1,'Username']]], + [['who','is', 'your','mother'], ['Her' 'name', 'is' ,'AuctionBot','she','is','a','deviant']], + [['tell', 'me', 'about', 'your' ,'mum'], ['I','hear','she','has','been','seeing','guild', 'and','they','have','adopted','a','kid','called','4144']], + [['who','was','your','father'], ['His','name','was','TradeBot, have', 'you' ,'heard' ,'of' ,'him?']], + [['how','is','business'],['My','back','is','killing','me']], + [['ty'],["you're",'welcome']], + [['u','here'],["I'm",'an','AFK','BOT']], + [['i','love','you'],['I','think','we','should','see','other','people']], + [['are', 'you','there'],['I','am','always', 'here', ';)']], + [['monkey'],['hello','George', 'you', 'are', 'very', 'curious' ,"aren't", 'you','?',]], + [['hello'],['Good','day']], + [['how','are','you',[0,'a']],['Good','How','are','you',[0,'a']]], + [['i','sell',[0,'item']],['I','sell','it','cheaper']], + [['i','am','fine'],['Glad','to','hear','you','are','fine']], + [[[1,'a'],'is','fine'],['Glad','to','hear',[1,'a'],'is','fine']], + [['who','is',[1,'a']],['tell',[1,'a'],'he','owes','me','money']], + [['no'],['Understood']], + [['i','need',[0,'item']],['why','do','you','need',[0,'item']]], + [['hugs'],['i','hate','you']], + [['yes'],['I','see']], + [['wtf'],['keep','calm','and','carry','on']], + [['trade'],['Only','if','you','follow','the','commands']], + [['do','you','sell',[0,'item_name']],['To','see','what','I','sell','whisper','me','!list','or','!find',[0,'item_name']]], + [['do', 'you', 'buy','things'],['Nope','I', 'only','sell', 'items', 'added','by','other','players']], + [['do', 'you', 'trade','things'],['Nope','I', 'only','sell', 'items', 'added','by','other','players']], + [[[1,'can'],'have',[0,'item_name']],['Please','use', '!list','to', 'see','what', "I'm" ,'selling']], + [['you','said',[0,'we']],['I may have said ',[0,'we'],'What about it?']], + [['what'],['what','what','?']], + [['majmun'],['hello','Jat']], + [[[1, 'subject'], 'loves', [0, 'object']],['Laudable','why','does',[1,'subject'],'love',[0,'object'],'?']], + [['because'],['Lack of reason is not a reason']], + [['i','need',[1,'object']],['why','do','you','need',[0,'object'],'?']], + [[[0,'subject'],'needs',[0,'object']],['why','does',[0,'subject'],'need',[0,'object'],'?']], + [['how', 'is','your',[0,'object']],['my',[0,'object'],'is','holding','up','well','.do','you','have','a',[0,'object'],'?']], + [[[0,'we'],'i','have','a',[0,'thing']],['how','goes', 'it','with','your',[0,'thing'],'?']], + [[[0,'we'],'i','have',[0,'thing']],['how','is', 'your',[0,'thing'],'?']], + [[[0,'we'],'is','great'],['how','is',[0,'we'],'great','?']], + [['i','like',[0,'a']],['Interesting','i','appreciate',[0,'a'],'too']], + [['i','said',[0,'we']],['Why','did','you','say',[0,'we']]], + [[0,'you',[1,'b'],'me'],['What','gave','you','the','impression','I',[1,'b'],'you ?']], + [['i','feel',[0,'a']],['How','long','have','you','felt',[0,'a'],'?']], + [['tell',[0,'who'],'about',[0,'sub']],['What','would','I','tell',[0,'who'],'about',[0,'sub'],'that','isn\'t','known','?']], + #anything that ends with exclamation + [[0,'\!'],['Keep calm']], + + # if its a question that hasnt gotten matched uptil now + # do this. Note: This needs to be last to ensure its the last test + [[[0, 'question'], '\?'],['What','do','you','mean', [0,'question'],'?']], + + ] + +defReplys = [ + ['Is','that','right?'], + ['Excellent'], + ['hugs'], + ['Why','is','everyone','whispering','about','me'], + ['My','stats','are','at',"http://wiki.themanaworld.org/index.php/Manamarket",'what','are','yours'], + ['I','am','a','Friendly','Bot'], + ['Interesting'], + ['You','dont','say'], + ['I','wouldnt','have','guessed'], + ['You','smell','like','teen','spirit'], + ['My','father','died','in','a','fire'], + ['Have','you','met','my','mother'], + ['I','am','an','AFK','bot'], + ['Big','Crunch','is','known','as','the','abusive','GM'], + ['Narus','claims','she','is' ,'evil', 'but','she','is','really','sweet'], + ['Homers' ,'Brain', 'say' ,'money', 'can' ,'be' ,'exchanged', 'for', 'goods', 'and','services'], + ['Prsm', 'has', 'great', 'announcements', 'but', 'his', 'spelling','sux'], + ['Platyna', 'hosts', 'the' ,'game', 'but', 'shes' ,'too' ,'smart' ,'for', 'her' ,'own' ,'good'], + ['Captain', 'Awesome', 'thinks', 'he', 'is', 'an', 'evil', 'stone'], + ] + + +class Agent: + def __init__(self,brain): + self.patternResponses = [] + self.defaultResponses = [] + self.Usersname ='' + self.Usernametag ='Username' + self.defRespIndex =0 + self.pronounMap = { + #generic pronouns + 'i':'you','you':'i', + 'my':'your', 'me':'you', + 'your':'my', + "i've":"you've","we've":"they've", + # "you've":"i've","they've":"we've", + #some names, these wll get applied if the name + #isnt the current user's name + 'fred':'he', 'jack':'he', + 'jane':'she', + } + + self.change_mind(brain) + + def change_mind(self,brain): + """ + Change mind on the fly. + To change the Agent's brain + """ + assert (len(brain) == 2) + self.patternResponses = brain[0] + self.defaultResponses = brain[1] + print "Brain initialized." + + + def tell(self,input): + sentence = input.lower().strip().replace('(','').replace(')','').split(' ') + bl = [] + matchedPat = [] + for pat in self.patternResponses: + bl = self.pattern_match(pat[0],sentence,[]) + if bl == ['FAIL']: + continue + matchedPat = pat + break + if bl == ['FAIL']: + #choose from a default response + # or just append a question mark on the + # user's sentence. + print '... No pattern Response pair selected.' + print '... Choosing a default response.' + + #Used to be randon using random.choice + #but then i noticed that the requirements say that + #the same default response may not be used again + #before every other one has been used. + self.defRespIndex = self.defRespIndex +1 + + if self.defRespIndex >= len(self.defaultResponses): + #reset the counter to 0 + self.defRespIndex = 0 ; + #Possible improvement: shuffle the default response array, so that + # the responses dont come in the same sequence again. + #last on got chosen, make the user input into + #a question + return ' '.join(sentence) + ' ?' + else: + return ' '.join(self.defaultResponses[self.defRespIndex]) + else: + #print '... Pattern Response pair selected:', pat + #print '... BL before call to change_pronouns: ',bl + blAfter = self.change_pronoun(bl) + #print '... BL after call to change_pronouns: ',blAfter + + + rep = self.build_reply(pat[1],blAfter) + return ' '.join(rep) + + + + def make_regexp(self,pattern): + """ + Convert a pattern list into an equivalent + regular expression + """ + assert(isinstance(pattern,list)) + r = ['^'] #for exact matches we prepend ^ and $ to the regexp. + usedBackrefs = [] + for tok in pattern: + if isinstance(tok,str): + #WORD + r.append('(' + tok +')') + elif isinstance(tok, int): + # 0 or 1 + if tok == 0 : + r.append('[a-zA-Z ]*?') # match 0+ word(chars + space), + + elif tok == 1: + r.append('[a-zA-Z]+') # match 1 word + else: + raise Exception, "Ints can only be 1 or 0, not:", tok + elif isinstance(tok, list): + #bindinglist pattern list + if tok[0] == 0 : + #if we havent used this backref yet, then add ?P<name> + #and add it to the used backrefs list. + if not tok[1] in usedBackrefs: + usedBackrefs.append(tok[1]) + r.append('(?P<'+tok[1] +'>[a-zA-Z ]*?)') + else: + #if we have come across his back ref, then add?P=name + r.append('(?P='+tok[1]+')') + elif tok[0] == 1: + if not tok[1] in usedBackrefs: + r.append('(?P<'+tok[1] +'>[A-Za-z]+)') + usedBackrefs.append(tok[1]) + else: + #if we have come across his back ref, then add?P=name + r.append('(?P='+tok[1]+')') + else: + raise Exception, "Valid first elems of BL pattern = 1 or 0, not:", tok + + #for exact matches we prepend ^ and $ to the regexp. + #also, we disregard surrounding whitespace. + ret = '(\s)*'.join(r) + '$(\s)*' + return re.compile(ret) + + def pattern_match(self,pattern,sentence,bl): + """ + return the populated binding list if the pattern matches, + otherwise return the binding list with the element 'FAIL' + """ + pat = self.make_regexp(pattern) + s = ' '.join(sentence) + matches = re.search(pat,s) + if (matches == None): # if we dont have a match + #then return w/o modifying the bindinglist. + return ['FAIL'] + bindingList = list(bl) + grps = matches.groups() + for k in pat.groupindex: + b=[] + b.append(k) + for x in grps[pat.groupindex[k]- 1].split(' '): + if x.strip() !='': + b.append(x) + bindingList.append(b) + return bindingList + + def change_pronoun(self,bl): + """ + reverses pronouns in a binding list. + """ + #if the pronoun dic contains a elemen, then + #replace it with its corresponding value. + bindingList = list(bl) + for i in range(len(bindingList)): + if isinstance( bindingList[i], list): + for j in range(len(bindingList[i])): + if j > 0: + if self.pronounMap.has_key(bindingList[i][j].lower()): + bindingList[i][j] = self.pronounMap[bindingList[i][j]] + return bindingList + def build_reply(self,respPattern,bindingList): + """ + build_reply ([[1, 'subject'], 'loves', [0, 'object']], + [['subject', 'jane'], ['object', 'ice', 'cream']]) + will return ['jane', 'loves', 'ice', 'cream']. + """ + #convert the bindlingList to a dictionary so thats its easy to + #get the binding label + bl = {} + reply = [] + for elem in bindingList: + #do the username chack firsdt, the id Username is + #only used in relation to the username .This is + #so that we can kinda remember the user's name + if (elem[0] == self.Usernametag): + # if we already have user name set, then + # Hi, username , what happend to oldusername + if self.Usersname !='': + tmp =self.Usersname + self.Usersname = elem[1] + return [elem[1],'eh?','what','ever','happened','to',tmp] + else: + self.Usersname = elem[1] + if bl.has_key(elem[0]) == elem[1:]: + raise Exception, 'Binding list has name collision for: ', elem[0] + else: + if isinstance(elem,list) and len(elem) > 1: + bl[elem[0]] = elem[1:] + #else: + # print elem, 'binding element ',elem,' has no binded things' + for elem in respPattern: + if isinstance(elem,list) and len(elem) > 1: + x = elem[1] + if bl.has_key(x): + for y in bl[x]: + reply.append(y) + #else: + # print 'not found in bl:', x + else: #anything else, just append to the list. + reply.append(elem) + return reply + + + + +def talk(brain): + assert((isinstance(brain,list)) and (len(brain) ==2 )) + b = Agent(brain) + + while 1: + try: + inp = raw_input("> ").lower() + except EOFError: + print 'Toodle do,\n you can type (quit) if you want be more pleasant.' + break + if len(inp.strip()) > 0 : + if inp.strip().lower() == 'quit': + print 'To exit the program, type (quit) [In parentheses]' + if inp.strip().lower() == '(quit)': + print 'Bye' + break + else: + print b.tell(inp) + + +def start(): + + ## Run the tests required in the Project specification + talk([patternResps,defReplys]) + +if __name__=="__main__": + start() |