+#-- vim:sw=2:et
+#++
+#
+# :title: Markov plugin
+#
+# Author:: Tom Gilbert <tom@linuxbrit.co.uk>
+# Copyright:: (C) 2005 Tom Gilbert
+#
+# Contribute to chat with random phrases built from word sequences learned
+# by listening to chat
+
class MarkovPlugin < Plugin
+ Config.register Config::BooleanValue.new('markov.enabled',
+ :default => false,
+ :desc => "Enable and disable the plugin")
+ Config.register Config::IntegerValue.new('markov.probability',
+ :default => 25,
+ :validate => Proc.new { |v| (0..100).include? v },
+ :desc => "Percentage chance of markov plugin chipping in")
+ Config.register Config::ArrayValue.new('markov.ignore',
+ :default => [],
+ :desc => "Hostmasks and channel names markov should NOT learn from (e.g. idiot*!*@*, #privchan).")
+ Config.register Config::IntegerValue.new('markov.max_words',
+ :default => 50,
+ :validate => Proc.new { |v| (0..100).include? v },
+ :desc => "Maximum number of words the bot should put in a sentence")
+
def initialize
super
@registry.set_default([])
- @lastline = false
+ if @registry.has_key?('enabled')
+ @bot.config['markov.enabled'] = @registry['enabled']
+ @registry.delete('enabled')
+ end
+ if @registry.has_key?('probability')
+ @bot.config['markov.probability'] = @registry['probability']
+ @registry.delete('probability')
+ end
+ if @bot.config['markov.ignore_users']
+ debug "moving markov.ignore_users to markov.ignore"
+ @bot.config['markov.ignore'] = @bot.config['markov.ignore_users'].dup
+ @bot.config.delete('markov.ignore_users'.to_sym)
+ end
+ @learning_queue = Queue.new
+ @learning_thread = Thread.new do
+ while s = @learning_queue.pop
+ learn s
+ sleep 0.5
+ end
+ end
+ @learning_thread.priority = -1
+ end
+
+ def cleanup
+ debug 'closing learning thread'
+ @learning_queue.push nil
+ @learning_thread.join
+ debug 'learning thread closed'
end
- def markov(m, params)
- # limit to max of 50 words
- return unless @lastline
- word1, word2 = @lastline.split(/\s+/)
+ def generate_string(word1, word2)
+ # limit to max of markov.max_words words
output = word1 + " " + word2
- 50.times do
- wordlist = @registry["#{word1}/#{word2}"]
+
+ # try to avoid :nonword in the first iteration
+ wordlist = @registry["#{word1} #{word2}"]
+ wordlist.delete(:nonword)
+ if not wordlist.empty?
+ word3 = wordlist[rand(wordlist.length)]
+ output = output + " " + word3
+ word1, word2 = word2, word3
+ end
+
+ (@bot.config['markov.max_words'] - 1).times do
+ wordlist = @registry["#{word1} #{word2}"]
+ break if wordlist.empty?
word3 = wordlist[rand(wordlist.length)]
break if word3 == :nonword
output = output + " " + word3
word1, word2 = word2, word3
end
- m.reply output
+ return output
end
-
+
def help(plugin, topic="")
- "markov plugin: listens to chat to build a markov chain, with which it can (perhaps) attempt to (inanely) contribute to 'discussion'. Sort of.. Will get a *lot* better after listening to a lot of chat. usage: 'markov' to attempt to say something relevant to the last line of chat, if it can."
+ "markov plugin: listens to chat to build a markov chain, with which it can (perhaps) attempt to (inanely) contribute to 'discussion'. Sort of.. Will get a *lot* better after listening to a lot of chat. usage: 'markov' to attempt to say something relevant to the last line of chat, if it can. other options to markov: 'ignore' => ignore a hostmask (accept no input), 'status' => show current status, 'probability [<chance>]' => set the % chance of rbot responding to input, or display the current probability, 'chat' => try and say something intelligent, 'chat about <foo> <bar>' => riff on a word pair (if possible)"
end
-
+
def clean_str(s)
str = s.dup
- str.gsub!(/^.+:/, "")
- str.gsub!(/^.+,/, "")
+ str.gsub!(/^\S+[:,;]/, "")
+ str.gsub!(/\s{2,}/, ' ') # fix for two or more spaces
return str.strip
end
- def listen(m)
- return unless m.kind_of?(PrivMessage) && m.public?
- return if m.address?
- message = clean_str m.message
+ def probability?
+ return @bot.config['markov.probability']
+ end
+
+ def status(m,params)
+ if @bot.config['markov.enabled']
+ m.reply "markov is currently enabled, #{probability?}% chance of chipping in"
+ else
+ m.reply "markov is currently disabled"
+ end
+ end
+
+ def ignore?(m=nil)
+ return false unless m
+ return true if m.address? or m.private?
+ @bot.config['markov.ignore'].each do |mask|
+ return true if m.channel.downcase == mask.downcase
+ return true if m.source.matches?(mask)
+ end
+ return false
+ end
+
+ def ignore(m, params)
+ action = params[:action]
+ user = params[:option]
+ case action
+ when 'remove':
+ if @bot.config['markov.ignore'].include? user
+ s = @bot.config['markov.ignore']
+ s.delete user
+ @bot.config['ignore'] = s
+ m.reply "#{user} removed"
+ else
+ m.reply "not found in list"
+ end
+ when 'add':
+ if user
+ if @bot.config['markov.ignore'].include?(user)
+ m.reply "#{user} already in list"
+ else
+ @bot.config['markov.ignore'] = @bot.config['markov.ignore'].push user
+ m.reply "#{user} added to markov ignore list"
+ end
+ else
+ m.reply "give the name of a person or channel to ignore"
+ end
+ when 'list':
+ m.reply "I'm ignoring #{@bot.config['markov.ignore'].join(", ")}"
+ else
+ m.reply "have markov ignore the input from a hostmask or a channel. usage: markov ignore add <mask or channel>; markov ignore remove <mask or channel>; markov ignore list"
+ end
+ end
+
+ def enable(m, params)
+ @bot.config['markov.enabled'] = true
+ m.okay
+ end
+
+ def probability(m, params)
+ if params[:probability]
+ @bot.config['markov.probability'] = params[:probability].to_i
+ m.okay
+ else
+ m.reply _("markov has a %{prob}% chance of chipping in") % { :prob => probability? }
+ end
+ end
+
+ def disable(m, params)
+ @bot.config['markov.enabled'] = false
+ m.okay
+ end
+
+ def should_talk
+ return false unless @bot.config['markov.enabled']
+ prob = probability?
+ return true if prob > rand(100)
+ return false
+ end
+
+ def delay
+ 1 + rand(5)
+ end
+
+ def random_markov(m, message)
+ return unless should_talk
+
+ word1, word2 = message.split(/\s+/)
+ return unless word1 and word2
+ line = generate_string(word1, word2)
+ return unless line
+ # we do nothing if the line we return is just an initial substring
+ # of the line we received
+ return if message.index(line) == 0
+ @bot.timer.add_once(delay) {
+ m.reply line
+ }
+ end
+
+ def chat(m, params)
+ line = generate_string(params[:seed1], params[:seed2])
+ if line != "#{params[:seed1]} #{params[:seed2]}"
+ m.reply line
+ else
+ m.reply "I can't :("
+ end
+ end
+
+ def rand_chat(m, params)
+ # pick a random pair from the db and go from there
+ word1, word2 = :nonword, :nonword
+ output = Array.new
+ 50.times do
+ wordlist = @registry["#{word1} #{word2}"]
+ break if wordlist.empty?
+ word3 = wordlist[rand(wordlist.length)]
+ break if word3 == :nonword
+ output << word3
+ word1, word2 = word2, word3
+ end
+ if output.length > 1
+ m.reply output.join(" ")
+ else
+ m.reply "I can't :("
+ end
+ end
+
+ def message(m)
+ return if ignore? m
+
# in channel message, the kind we are interested in
+ message = clean_str m.plainmessage
+
+ if m.action?
+ message = "#{m.sourcenick} #{message}"
+ end
+
+ @learning_queue.push message
+ random_markov(m, message) unless m.replied?
+ end
+
+ def learn(message)
+ # debug "learning #{message}"
wordlist = message.split(/\s+/)
- return unless wordlist.length > 2
- @lastline = message
+ return unless wordlist.length >= 2
word1, word2 = :nonword, :nonword
wordlist.each do |word3|
- @registry["#{word1}/#{word2}"] = @registry["#{word1}/#{word2}"].push(word3)
+ k = "#{word1} #{word2}"
+ @registry[k] = @registry[k].push(word3)
word1, word2 = word2, word3
end
- @registry["#{word1}/#{word2}"] = [:nonword]
+ k = "#{word1} #{word2}"
+ @registry[k] = @registry[k].push(:nonword)
end
end
+
plugin = MarkovPlugin.new
-plugin.map 'markov'
+plugin.map 'markov ignore :action :option', :action => "ignore"
+plugin.map 'markov ignore :action', :action => "ignore"
+plugin.map 'markov ignore', :action => "ignore"
+plugin.map 'markov enable', :action => "enable"
+plugin.map 'markov disable', :action => "disable"
+plugin.map 'markov status', :action => "status"
+plugin.map 'chat about :seed1 :seed2', :action => "chat"
+plugin.map 'chat', :action => "rand_chat"
+plugin.map 'markov probability [:probability]', :action => "probability",
+ :requirements => {:probability => /^\d+%?$/}
projects / user / henk / code / ruby / rbot.git / blobdiff