+#-- 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',
case topic
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
hits = params[:hits] || @bot.config['google.hits']
begin
- wml = @bot.httputil.get_cached(url)
+ wml = @bot.httputil.get(url)
+ raise unless wml
rescue => e
m.reply "error googling for #{what}"
return
first_pars = params[:firstpar] || @bot.config['google.first_par']
- idx = 0
- while first_pars > 0 and urls.length > 0
- url.replace(urls.shift)
- idx += 1
-
- # FIXME what happens if some big file is returned? We should share
- # code with the url plugin to only retrieve partial file content!
- xml = @bot.httputil.get_cached(url)
- if xml.nil?
- debug "Unable to retrieve #{url}"
- next
- end
- # We get the first par after the first main heading, if possible
- header_found = xml.match(/<h1(?:\s+[^>]*)?>(.*?)<\/h1>/im)
- txt = String.new
- if header_found
- debug "Found header: #{header_found[1].inspect}"
- while txt.empty?
- header_found = $'
- candidate = header_found[/<p(?:\s+[^>]*)?>.*?<\/p>/im]
- break unless candidate
- txt.replace candidate.ircify_html
- end
- end
- # If we haven't found a first par yet, try to get it from the whole
- # document
- if txt.empty?
- header_found = xml
- while txt.empty?
- candidate = header_found[/<p(?:\s+[^>]*)?>.*?<\/p>/im]
- break unless candidate
- txt.replace candidate.ircify_html
- header_found = $'
- end
- end
- # Nothing yet, try title
- if txt.empty?
- debug "No first par found\n#{xml}"
- # FIXME only do this if the 'url' plugin is loaded
- txt.replace @bot.plugins['url'].get_title_from_html(xml)
- next if txt.empty?
- end
- m.reply "[#{idx}] #{txt}", :overlong => :truncate
- first_pars -=1
+ return unless first_pars > 0
+
+ Utils.get_first_pars urls, first_pars, :message => m
+
+ end
+
+ def gcalc(m, params)
+ what = params[:words].to_s
+ searchfor = URI.escape(what).sub('+','%2B')
+
+ debug "Getting gcalc thing: #{searchfor.inspect}"
+ url = "http://www.google.com/search?q=#{searchfor}"
+
+ begin
+ html = @bot.httputil.get(url)
+ rescue => e
+ m.reply "error googlecalcing #{what}"
+ return
+ end
+
+ debug "#{html.size} bytes of html recieved"
+
+ results = html.scan(GOOGLE_CALC_RESULT)
+ debug "results: #{results.inspect}"
+
+ if results.length != 1
+ m.reply "couldn't calculate #{what}"
+ return
end
+
+ result = results[0][0].ircify_html
+ debug "replying with: #{result.inspect}"
+ m.reply "#{result}"
end
def wikipedia(m, params)
plugin.map "search *words", :action => 'google'
plugin.map "google *words", :action => 'google'
+plugin.map "gcalc *words", :action => 'gcalc'
plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }
plugin.map "wp *words", :action => 'wikipedia'