+#-- 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 generate_string(seedline)
- # limit to max of 50 words
- return unless seedline
- word1, word2 = seedline.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
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. other options to markov: 'ignore' => ignore a hostmask (accept no input), 'status' => show current status, 'probability' => set the % chance of rbot responding to input, 'chat' => try and say something intelligent, 'chat about <foo> <bar>' => riff on a word pair (if possible)"
+ "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)
end
def probability?
- prob = @registry['probability']
- prob = 25 if prob.kind_of? Array;
- prob = 0 if prob < 0
- prob = 100 if prob > 100
- return prob
+ return @bot.config['markov.probability']
end
def status(m,params)
- enabled = @registry['enabled']
- if (enabled)
+ 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?(user=nil)
- return @registry['ignore_users'].include?(user)
+ 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)
- if @registry['ignore_users'].nil?
- @registry['ignore_users'] = []
- end
action = params[:action]
user = params[:option]
case action
when 'remove':
- if @registry['ignore_users'].include? user
- s = @registry['ignore_users']
+ if @bot.config['markov.ignore'].include? user
+ s = @bot.config['markov.ignore']
s.delete user
- @registry['ignore_users'] = s
+ @bot.config['ignore'] = s
m.reply "#{user} removed"
else
m.reply "not found in list"
end
when 'add':
if user
- if @registry['ignore_users'].include?(user)
+ if @bot.config['markov.ignore'].include?(user)
m.reply "#{user} already in list"
else
- @registry['ignore_users'] = @registry['ignore_users'].push user
+ @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 to ignore"
+ m.reply "give the name of a person or channel to ignore"
end
when 'list':
- m.reply "I'm ignoring #{@registry['ignore_users'].join(", ")}"
+ m.reply "I'm ignoring #{@bot.config['markov.ignore'].join(", ")}"
else
- m.reply "have markov ignore the input from a hostmask. usage: markov ignore add <mask>; markov ignore remove <mask>; markov ignore list"
+ 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)
- @registry['enabled'] = true
+ @bot.config['markov.enabled'] = true
m.okay
end
def probability(m, params)
- @registry['probability'] = params[:probability].to_i
- m.okay
+ 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)
- @registry['enabled'] = false
+ @bot.config['markov.enabled'] = false
m.okay
end
def should_talk
- return false unless @registry['enabled']
+ 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
- line = generate_string(message)
+
+ word1, word2 = message.split(/\s+/)
+ return unless word1 and word2
+ line = generate_string(word1, word2)
return unless line
- m.reply line unless line == message
+ # 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)
- seed = "#{params[:seed1]} #{params[:seed2]}"
- line = generate_string seed
- if line != seed
+ line = generate_string(params[:seed1], params[:seed2])
+ if line != "#{params[:seed1]} #{params[:seed2]}"
m.reply line
else
m.reply "I can't :("
word1, word2 = :nonword, :nonword
output = Array.new
50.times do
- wordlist = @registry["#{word1}/#{word2}"]
+ wordlist = @registry["#{word1} #{word2}"]
break if wordlist.empty?
word3 = wordlist[rand(wordlist.length)]
break if word3 == :nonword
end
end
- def listen(m)
- return unless m.kind_of?(PrivMessage) && m.public?
- return if m.address?
- return if ignore? m.source
+ def message(m)
+ return if ignore? m
# in channel message, the kind we are interested in
- message = clean_str m.message
+ 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]
-
- random_markov(m, message)
+ k = "#{word1} #{word2}"
+ @registry[k] = @registry[k].push(:nonword)
end
end
+
plugin = MarkovPlugin.new
plugin.map 'markov ignore :action :option', :action => "ignore"
plugin.map 'markov ignore :action', :action => "ignore"
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+$/}
+plugin.map 'markov probability [:probability]', :action => "probability",
+ :requirements => {:probability => /^\d+%?$/}
projects / user / henk / code / ruby / rbot.git / blobdiff