-require 'uri'
-
-Net::HTTP.version_1_2
-
+#-- 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
+# TODO:: support localized uncyclopedias -- not easy because they have different names
+# for most languages
+
+GOOGLE_SEARCH = "http://www.google.com/search?oe=UTF-8&q="
+GOOGLE_WAP_SEARCH = "http://www.google.com/wml/search?hl=en&q="
GOOGLE_WAP_LINK = /<a accesskey="(\d)" href=".*?u=(.*?)">(.*?)<\/a>/im
-
-class ::String
- def omissis_after(len)
- if self.length > len
- return self[0...len].sub(/\s+\S*$/,"...")
- else
- return self
- end
- end
-
- def ircify_html
- txt = self
-
- # bold and strong -> bold
- txt.gsub!(/<\/?(?:b|strong)\s*>/, "#{Bold}")
-
- # italic, emphasis and underline -> underline
- txt.gsub!(/<\/?(?:i|em|u)\s*>/, "#{Underline}")
-
- ## This would be a nice addition, but the results are horrible
- ## Maybe make it configurable?
- # txt.gsub!(/<\/?a( [^>]*)?>/, "#{Reverse}")
-
- # Paragraph and br tags are converted to whitespace.
- txt.gsub!(/<\/?(p|br)\s*\/?\s*>/, ' ')
- txt.gsub!("\n", ' ')
-
- # All other tags are just removed
- txt.gsub!(/<[^>]+>/, '')
-
- # Remove double formatting options, since they only waste bytes
- txt.gsub!(/#{Bold}\s*#{Bold}/,"")
- txt.gsub!(/#{Underline}\s*#{Underline}/,"")
-
- # And finally whitespace is squeezed
- txt.gsub!(/\s+/, ' ')
-
- # Decode entities and strip whitespace
- return Utils.decode_html_entities(txt).strip!
- end
-end
+GOOGLE_CALC_RESULT = %r{<img src=/images/calc_img\.gif(?: width=40 height=30 alt="")?></td><td> </td><td nowrap(?: dir=ltr)?>(?:<h2 class=r>)?<font size=\+1><b>(.+)</b>(?:</h2>)?</td>}
+GOOGLE_COUNT_RESULT = %r{<font size=-1>Results <b>1<\/b> - <b>10<\/b> of about <b>(.*)<\/b> for}
+GOOGLE_DEF_RESULT = %r{<p> (Web definitions for .*?)<br/>(.*?)<br/>(.*?)\s-\s+<a href}
class SearchPlugin < Plugin
- BotConfig.register BotConfigIntegerValue.new('google.hits',
+ Config.register Config::IntegerValue.new('google.hits',
:default => 3,
:desc => "Number of hits to return from Google searches")
- BotConfig.register BotConfigIntegerValue.new('google.first_par',
+ Config.register Config::IntegerValue.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',
+ Config.register Config::IntegerValue.new('wikipedia.hits',
:default => 3,
:desc => "Number of hits to return from Wikipedia searches")
- BotConfig.register BotConfigIntegerValue.new('wikipedia.first_par',
+ Config.register Config::IntegerValue.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")
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 "gdef"
+ "gdef <term(s)> => use the google define mechanism to find a definition of <term(s)>"
when "wp"
"wp [<code>] <string> => search for <string> on Wikipedia. You can select a national <code> to only search the national Wikipedia"
+ when "unpedia"
+ "unpedia <string> => search for <string> on Uncyclopedia"
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 | unpedia <string> => search for <string> on Uncyclopedia"
end
end
def google(m, params)
what = params[:words].to_s
- searchfor = URI.escape what
+ searchfor = CGI.escape what
# This method is also called by other methods to restrict searching to some sites
if params[:site]
site = "site:#{params[:site]}+"
# e.g.: "Wikipedia, the free encyclopedia" when doing Wikipedia searches
filter = params[:filter] || ""
- url = "http://www.google.com/wml/search?q=#{site}#{searchfor}"
+ url = GOOGLE_WAP_SEARCH + site + searchfor
hits = params[:hits] || @bot.config['google.hits']
+ first_pars = params[:firstpar] || @bot.config['google.first_par']
+
+ single = (hits == 1 and first_pars == 1)
+
begin
- wml = @bot.httputil.get_cached(url)
+ 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
+ single ||= (results.length==1)
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}"
+ single ? u : "#{n}. #{Bold}#{t}#{Bold}: #{u}"
}.join(" | ")
- m.reply "Results for #{what}: #{results}"
+ # If we return a single, full result, change the output to a more compact representation
+ if single
+ m.reply "Result for %s: %s -- %s" % [what, results, Utils.get_first_pars(urls, first_pars)], :overlong => :truncate
+ return
+ end
- first_pars = params[:firstpar] || @bot.config['google.first_par']
+ m.reply "Results for #{what}: #{results}", :split_at => /\s+\|\s+/
+
+ 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 = CGI.escape(what)
+
+ debug "Getting gcalc thing: #{searchfor.inspect}"
+ url = GOOGLE_SEARCH + 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 gcount(m, params)
+ what = params[:words].to_s
+ searchfor = CGI.escape(what)
+
+ debug "Getting gcount thing: #{searchfor.inspect}"
+ url = GOOGLE_SEARCH + searchfor
+
+ begin
+ html = @bot.httputil.get(url)
+ rescue => e
+ m.reply "error googlecounting #{what}"
+ return
+ end
+
+ debug "#{html.size} bytes of html recieved"
+
+ results = html.scan(GOOGLE_COUNT_RESULT)
+ debug "results: #{results.inspect}"
+
+ if results.length != 1
+ m.reply "couldn't count #{what}"
+ return
+ end
+
+ result = results[0][0].ircify_html
+ debug "replying with: #{result.inspect}"
+ m.reply "total results: #{result}"
+
+ end
+
+ def gdef(m, params)
+ what = params[:words].to_s
+ searchfor = CGI.escape("define " + what)
+
+ debug "Getting gdef thing: #{searchfor.inspect}"
+ url = GOOGLE_WAP_SEARCH + searchfor
+
+ begin
+ html = @bot.httputil.get(url)
+ rescue => e
+ m.reply "error googledefining #{what}"
+ return
+ end
- idx = 0
- while first_pars > 0 and urls.length > 0
- url.replace(urls.shift)
- idx += 1
- 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].ircify_html
- break unless candidate
- txt.replace candidate
- end
- end
- # If we haven't found a first par yet, try to get it from the whole
- # document
- if txt.empty?
- txt = xml[/<p(?:\s+[^>]*)?>.*?<\/p>/im].ircify_html
- while txt.empty?
- header_found = $'
- candidate = header_found[/<p(?:\s+[^>]*)?>.*?<\/p>/im].ircify_html
- break unless candidate
- txt.replace candidate
- end
- end
- # Nothing yet, give up
- if txt.empty?
- debug "No first par found\n#{xml}"
- next
- end
- m.reply "[#{idx}] #{txt}".omissis_after(400)
- first_pars -=1
+ debug html
+ results = html.scan(GOOGLE_DEF_RESULT)
+ debug "results: #{results.inspect}"
+
+ if results.length != 1
+ m.reply "couldn't find a definition for #{what} on Google"
+ return
end
+
+ head = results[0][0].ircify_html
+ text = results[0][1].ircify_html
+ link = results[0][2]
+ m.reply "#{head} -- #{link}\n#{text}"
end
def wikipedia(m, params)
params[:firstpar] = @bot.config['wikipedia.first_par']
return google(m, params)
end
+
+ def unpedia(m, params)
+ site = "uncyclopedia.org"
+ debug "Looking up things on #{site}"
+ params[:site] = site
+ params[:filter] = / - Uncyclopedia.*$/
+ params[:hits] = @bot.config['wikipedia.hits']
+ params[:firstpar] = @bot.config['wikipedia.first_par']
+ return google(m, params)
+ end
end
plugin = SearchPlugin.new
-plugin.map "search *words", :action => 'google'
-plugin.map "google *words", :action => 'google'
-plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }
-plugin.map "wp *words", :action => 'wikipedia'
+plugin.map "search *words", :action => 'google', :threaded => true
+plugin.map "google *words", :action => 'google', :threaded => true
+plugin.map "gcount *words", :action => 'gcount', :threaded => true
+plugin.map "gcalc *words", :action => 'gcalc', :threaded => true
+plugin.map "gdef *words", :action => 'gdef', :threaded => true
+plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }, :threaded => true
+plugin.map "wp *words", :action => 'wikipedia', :threaded => true
+plugin.map "unpedia *words", :action => 'unpedia', :threaded => true
projects / user / henk / code / ruby / rbot.git / blobdiff