+#-- vim:sw=2:et
+#++
+#
+# :title: Google and Wikipedia search plugin for rbot
+#
+# Author:: Tom Gilbert (giblet) <tom@linuxbrit.co.uk>
+# Author:: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
+#
+# Copyright:: (C) 2002-2005 Tom Gilbert
+# Copyright:: (C) 2006 Tom Gilbert, Giuseppe Bilotta
+# Copyright:: (C) 2006-2007 Giuseppe Bilotta
+
+# TODO:: use lr=lang_<code> or whatever is most appropriate to let google know
+# it shouldn't use the bot's location to find the preferred language
+
require 'uri'
Net::HTTP.version_1_2
GOOGLE_WAP_LINK = /<a accesskey="(\d)" href=".*?u=(.*?)">(.*?)<\/a>/im
+GOOGLE_CALC_RESULT = %r{<p><table><tr><td><img src=/images/calc_img\.gif></td><td> </td><td nowrap><font size=\+1><b>(.+)</b></td></tr><tr><td>}
class SearchPlugin < Plugin
+ BotConfig.register BotConfigIntegerValue.new('google.hits',
+ :default => 3,
+ :desc => "Number of hits to return from Google searches")
+ BotConfig.register BotConfigIntegerValue.new('google.first_par',
+ :default => 0,
+ :desc => "When set to n > 0, the bot will return the first paragraph from the first n search hits")
+ BotConfig.register BotConfigIntegerValue.new('wikipedia.hits',
+ :default => 3,
+ :desc => "Number of hits to return from Wikipedia searches")
+ BotConfig.register BotConfigIntegerValue.new('wikipedia.first_par',
+ :default => 1,
+ :desc => "When set to n > 0, the bot will return the first paragraph from the first n wikipedia search hits")
+
def help(plugin, topic="")
case topic
- when "search"
- "search <string> => search google for <string>"
- when "google"
- "google <string> => search google for <string>"
+ when "search", "google"
+ "#{topic} <string> => search google for <string>"
+ when "gcalc"
+ "gcalc <equation> => use the google calculator to find the answer to <equation>"
when "wp"
"wp [<code>] <string> => search for <string> on Wikipedia. You can select a national <code> to only search the national Wikipedia"
else
- "search <string> (or: google <string>) => search google for <string> | wp <string> => search for <string> on Wikipedia"
+ "search <string> (or: google <string>) => search google for <string> | wp <string> => search for <string> on Wikipedia"
end
end
url = "http://www.google.com/wml/search?q=#{site}#{searchfor}"
+ hits = params[:hits] || @bot.config['google.hits']
begin
wml = @bot.httputil.get(url)
+ raise unless wml
rescue => e
m.reply "error googling for #{what}"
return
m.reply "no results found for #{what}"
return
end
- results = results[0...3].map { |res|
+ urls = Array.new
+ results = results[0...hits].map { |res|
n = res[0]
t = Utils.decode_html_entities res[2].gsub(filter, '').strip
u = URI.unescape res[1]
+ urls.push(u)
"#{n}. #{Bold}#{t}#{Bold}: #{u}"
}.join(" | ")
- m.reply "Results for #{what}: #{results}"
+ m.reply "Results for #{what}: #{results}", :split_at => /\s+\|\s+/
+
+ first_pars = params[:firstpar] || @bot.config['google.first_par']
+
+ return unless first_pars > 0
+
+ Utils.get_first_pars urls, first_pars, :message => m
+
+ end
+
+ def gcalc(m, params)
+ what = params[:words].to_s
+ searchfor = URI.escape(what).sub('+','%2B')
+
+ debug "Getting gcalc thing: #{searchfor.inspect}"
+ url = "http://www.google.com/search?q=#{searchfor}"
+
+ begin
+ html = @bot.httputil.get(url)
+ rescue => e
+ m.reply "error googlecalcing #{what}"
+ return
+ end
+
+ debug "#{html.size} bytes of html recieved"
+
+ results = html.scan(GOOGLE_CALC_RESULT)
+ debug "results: #{results.inspect}"
+
+ if results.length != 1
+ m.reply "couldn't calculate #{what}"
+ return
+ end
+
+ result = results[0][0].ircify_html
+ debug "replying with: #{result.inspect}"
+ m.reply "#{result}"
end
def wikipedia(m, params)
lang = params[:lang]
site = "#{lang.nil? ? '' : lang + '.'}wikipedia.org"
+ debug "Looking up things on #{site}"
params[:site] = site
params[:filter] = / - Wikipedia.*$/
+ params[:hits] = @bot.config['wikipedia.hits']
+ params[:firstpar] = @bot.config['wikipedia.first_par']
return google(m, params)
end
end
plugin.map "search *words", :action => 'google'
plugin.map "google *words", :action => 'google'
+plugin.map "gcalc *words", :action => 'gcalc'
plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }
plugin.map "wp *words", :action => 'wikipedia'