X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=data%2Frbot%2Fplugins%2Fsearch.rb;h=f54c0df6bbadf558a8627783177315c22d0d674b;hb=95fab091ab9e2b42a6e8cfda72b231ef06971e39;hp=fd1aefdc8a70d512c9cba29d26bcf34a1e2156b3;hpb=6b54811f182711d2e85018bd5b5a948763b0bb78;p=user%2Fhenk%2Fcode%2Fruby%2Frbot.git

diff --git a/data/rbot/plugins/search.rb b/data/rbot/plugins/search.rb
index fd1aefdc..f54c0df6 100644
--- a/data/rbot/plugins/search.rb
+++ b/data/rbot/plugins/search.rb
@@ -1,26 +1,68 @@
-require 'uri'
+#-- 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
 
-Net::HTTP.version_1_2
+# 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_WAP_LINK = /<a accesskey="(\d)" href=".*?u=(.*?)">(.*?)<\/a>/im
+GOOGLE_SEARCH = "http://www.google.com/search?oe=UTF-8&q="
+GOOGLE_WAP_SEARCH = "http://www.google.com/m/search?hl=en&q="
+GOOGLE_WAP_LINK = /result">(?:<div[^>]*>)?<a href="([^"]+)"[^>]*>(.*?)<\/a>/im
+GOOGLE_CALC_RESULT = %r{<img src=/images/calc_img\.gif(?: width=40 height=30 alt="")?>.*?<h[1-6] class=r[^>]*><b>(.+?)</b>}
+GOOGLE_COUNT_RESULT = %r{<font size=-1>Results <b>1<\/b> - <b>10<\/b> of about <b>(.*)<\/b> for}
+GOOGLE_DEF_RESULT = %r{onebox_result">\s*(.*?)\s*<br/>\s*(.*?)<table}
+GOOGLE_TIME_RESULT = %r{alt="Clock"></td><td valign=[^>]+>(.+?)<(br|/td)>}
 
 class SearchPlugin < Plugin
+  Config.register Config::IntegerValue.new('google.hits',
+    :default => 3,
+    :desc => "Number of hits to return from Google searches")
+  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")
+  Config.register Config::IntegerValue.new('wikipedia.hits',
+    :default => 3,
+    :desc => "Number of hits to return from Wikipedia searches")
+  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")
+
   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 "gdef"
+      "gdef <term(s)> => use the google define mechanism to find a definition of <term(s)>"
+    when "gtime"
+      "gtime <location> => use the google clock to find the current time at <location>"
     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
+    if what.match(/^define:/)
+      return google_define(m, what, params)
+    end
+
+    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]}+"
@@ -31,43 +73,264 @@ class SearchPlugin < Plugin
     # 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']
+    hits = 1 if params[:lucky]
 
+    first_pars = params[:firstpar] || @bot.config['google.first_par']
+
+    single = params[:lucky] || (hits == 1 and first_pars == 1)
 
     begin
       wml = @bot.httputil.get(url)
+      raise unless wml
     rescue => e
       m.reply "error googling for #{what}"
       return
     end
     results = wml.scan(GOOGLE_WAP_LINK)
+
     if results.length == 0
       m.reply "no results found for #{what}"
       return
     end
-    results = results[0...3].map { |res|
-      n = res[0]
-      t = Utils.decode_html_entities res[2].gsub(filter, '').strip
-      u = URI.unescape res[1]
-      "#{n}. #{Bold}#{t}#{Bold}: #{u}"
-    }.join(" | ")
 
-    m.reply "Results for #{what}: #{results}"
+    single ||= (results.length==1)
+    pretty = []
+
+    begin
+      urls = Array.new
+
+      debug results
+      results.each do |res|
+        t = res[1].ircify_html(:img => "[%{src} %{alt} %{dimensions}]").strip
+        u = res[0]
+        if u.sub!(%r{^http://www.google.com/aclk\?},'')
+          u = CGI::parse(u)['adurl'].first
+          debug "skipping ad for #{u}"
+          next
+        elsif u.sub!(%r{^http://www.google.com/gwt/x\?},'')
+          u = CGI::parse(u)['u'].first
+        elsif u.sub!(%r{^/url\?},'')
+          u = CGI::parse(u)['q'].first
+        end
+        urls.push(u)
+        pretty.push("%{n}%{b}%{t}%{b}%{sep}%{u}" % {
+          :n => (single ? "" : "#{urls.length}. "),
+          :sep => (single ? " -- " : ": "),
+          :b => Bold, :t => t, :u => u
+        })
+        break if urls.length == hits
+      end
+    rescue => e
+      m.reply "failed to understand what google found for #{what}"
+      error e
+      debug wml
+      debug results
+      return
+    end
+
+    if params[:lucky]
+      m.reply pretty.first
+      return
+    end
+
+    result_string = pretty.join(" | ")
+
+    # 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, result_string, Utils.get_first_pars(urls, first_pars)], :overlong => :truncate
+      return
+    end
+
+    m.reply "Results for #{what}: #{result_string}", :split_at => /\s+\|\s+/
+
+    return unless first_pars > 0
+
+    Utils.get_first_pars urls, first_pars, :message => m
+
+  end
+
+  def google_define(m, what, params)
+    begin
+      wml = @bot.httputil.get(GOOGLE_SEARCH + CGI.escape(what))
+      raise unless wml
+    rescue => e
+      m.reply "error googling for #{what}"
+      return
+    end
+
+    begin
+      related_index = wml.index(/Related phrases:/, 0)
+      raise unless related_index
+      defs_index = wml.index(/Definitions of <b>/, related_index)
+      raise unless defs_index
+      defs_end = wml.index(/<input/, defs_index)
+      raise unless defs_end
+    rescue => e
+      m.reply "no results found for #{what}"
+      return
+    end
+
+    related = wml[related_index...defs_index]
+    defs = wml[defs_index...defs_end]
+
+    m.reply defs.ircify_html(:a_href => Underline), :split_at => (Underline + ' ')
+
+  end
+
+  def lucky(m, params)
+    params.merge!(:lucky => true)
+    google(m, params)
+  end
+
+  def gcalc(m, params)
+    what = params[:words].to_s
+    searchfor = CGI.escape(what)
+
+    debug "Getting gcalc thing: #{searchfor.inspect}"
+    url = GOOGLE_WAP_SEARCH + searchfor
+
+    begin
+      html = @bot.httputil.get(url)
+    rescue => e
+      m.reply "error googlecalcing #{what}"
+      return
+    end
+
+    debug "#{html.size} bytes of html recieved"
+    debug html
+
+    candidates = html.match(/font-weight:bold">(.*?)<\/(?:span|div)>/)
+    debug "candidates: #{candidates.inspect}"
+
+    if candidates.nil?
+      m.reply "couldn't calculate #{what}"
+      return
+    end
+    result = candidates[1]
+
+    debug "replying with: #{result.inspect}"
+    m.reply result.ircify_html
+  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
+
+    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
+    m.reply "#{head} -- #{text}"
   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.*$/
+    params[:hits] = @bot.config['wikipedia.hits']
+    params[:firstpar] = @bot.config['wikipedia.first_par']
+    return google(m, params)
+  end
+
+  def unpedia(m, params)
+    site = "uncyclopedia.org"
+    debug "Looking up things on #{site}"
+    params[:site] = site
+    params[:filter] = / - Uncyclopedia.*$/
+    params[:hits] = @bot.config['wikipedia.hits']
+    params[:firstpar] = @bot.config['wikipedia.first_par']
     return google(m, params)
   end
+
+  def gtime(m, params)
+    where = params[:words].to_s
+    where.sub!(/^\s*in\s*/, '')
+    searchfor = CGI.escape("time in " + where)
+    url = GOOGLE_SEARCH + searchfor
+
+    begin
+      html = @bot.httputil.get(url)
+    rescue => e
+      m.reply "Error googletiming #{where}"
+      return
+    end
+
+    debug html
+    results = html.scan(GOOGLE_TIME_RESULT)
+    debug "results: #{results.inspect}"
+
+    if results.length != 1
+      m.reply "Couldn't find the time for #{where} on Google"
+      return
+    end
+
+    time = results[0][0].ircify_html
+    m.reply "#{time}"
+  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?$/ }
-plugin.map "wp *words", :action => 'wikipedia'
+plugin.map "search *words", :action => 'google', :threaded => true
+plugin.map "google *words", :action => 'google', :threaded => true
+plugin.map "lucky *words", :action => 'lucky', :threaded => true
+plugin.map "gcount *words", :action => 'gcount', :threaded => true
+plugin.map "gcalc *words", :action => 'gcalc', :threaded => true
+plugin.map "gdef *words", :action => 'gdef', :threaded => true
+plugin.map "gtime *words", :action => 'gtime', :threaded => true
+plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }, :threaded => true
+plugin.map "wp *words", :action => 'wikipedia', :threaded => true
+plugin.map "unpedia *words", :action => 'unpedia', :threaded => true