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_WAP_LINK = /
"r">(?:<div[^>]*>)?<a href="([^"]+)"[^>]*>(.*?)<\/a>/im
+GOOGLE_CALC_RESULT = %r{<h[1-6] class="r" [^>]*>(.+?)</h}
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)>}
+DDG_API_SEARCH = "http://api.duckduckgo.com/?format=xml&no_html=1&skip_disambig=1&no_redirect=0&q="
+
class SearchPlugin < Plugin
+ Config.register Config::IntegerValue.new('duckduckgo.hits',
+ :default => 3, :validate => Proc.new{|v| v > 0},
+ :desc => "Number of hits to return from searches")
+ Config.register Config::IntegerValue.new('duckduckgo.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('google.hits',
:default => 3,
:desc => "Number of hits to return from Google searches")
def help(plugin, topic="")
case topic
+ when "ddg"
+ "Use '#{topic} <string>' to return a search or calculation from " +
+ "DuckDuckGo. Use #{topic} define <string> to return a definition."
when "search", "google"
"#{topic} <string> => search google for <string>"
when "gcalc"
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 | unpedia <string> => search for <string> on Uncyclopedia"
+ "search <string> (or: google <string>) => search google for <string> | ddg <string> to search DuckDuckGo | wp <string> => search for <string> on Wikipedia | unpedia <string> => search for <string> on Uncyclopedia"
+ end
+ end
+
+ def duckduckgo(m, params)
+ what = params[:words].to_s
+ terms = CGI.escape what
+ url = DDG_API_SEARCH + terms
+
+ hits = @bot.config['duckduckgo.hits']
+ first_pars = params[:firstpar] || @bot.config['duckduckgo.first_par']
+ single = params[:lucky] || (hits == 1 and first_pars == 1)
+
+ begin
+ feed = @bot.httputil.get(url)
+ raise unless feed
+ rescue => e
+ m.reply "error duckduckgoing for #{what}"
+ return
+ end
+ debug feed
+
+ xml = REXML::Document.new feed
+ heading = xml.elements['//Heading/text()'].to_s
+ # answer is returned for calculations
+ answer = xml.elements['//Answer/text()'].to_s
+ # abstract is returned for definitions etc
+ abstract = xml.elements['//AbstractText/text()'].to_s
+ unless abstract.empty?
+ absrc = xml.elements['//AbstractSource/text()']
+ aburl = xml.elements['//AbstractURL/text()']
+ end
+ # but also definition (yes, you can have both, see e.g. printf)
+ definition = xml.elements['//Definition/text()'].to_s
+ unless definition.empty?
+ defsrc = xml.elements['//Definition/@source/text()'].to_s
+ defurl = xml.elements['//Definition/@url/text()'].to_s
+ end
+
+ if heading.empty? and answer.empty? and abstract.empty? and definition.empty?
+ m.reply "no results"
+ return
+ end
+
+ # if we got a one-shot answer (e.g. a calculation, return it)
+ unless answer.empty?
+ m.reply answer
+ return
+ end
+
+ # otherwise, return the abstract, followed by as many hits as found
+ unless heading.empty? or abstract.empty?
+ m.reply "%{bold}%{heading}:%{bold} %{abstract} -- %{absrc} %{aburl}" % {
+ :bold => Bold, :heading => heading,
+ :abstract => abstract, :absrc => absrc, :aburl => aburl
+ }
+ end
+ unless heading.empty? or definition.empty?
+ m.reply "%{bold}%{heading}:%{bold} %{abstract} -- %{absrc} %{aburl}" % {
+ :bold => Bold, :heading => heading,
+ :abstract => definition, :absrc => defsrc, :aburl => defurl
+ }
+ end
+ # return zeroclick search results
+ links, texts = [], []
+ xml.elements.each("//Results/Result/FirstURL") { |element|
+ links << element.text
+ break if links.size == hits
+ }
+ return if links.empty?
+
+ xml.elements.each("//Results/Result/Text") { |element|
+ texts << " #{element.text}"
+ break if links.size == hits
+ }
+ # TODO see treatment of `single` in google search
+
+ single ||= (links.length == 1)
+ pretty = []
+ links.each_with_index do |u, i|
+ t = texts[i]
+ pretty.push("%{n}%{b}%{t}%{b}%{sep}%{u}" % {
+ :n => (single ? "" : "#{i}. "),
+ :sep => (single ? " -- " : ": "),
+ :b => Bold, :t => t, :u => u
+ })
+ end
+
+ result_string = pretty.join(" | ")
+
+ # If we return a single, full result, change the output to a more compact representation
+ if single
+ fp = first_pars > 0 ? " -- #{Utils.get_first_pars(links, first_pars)}" : ""
+ m.reply("Result for %{what}: %{string}%{fp}" % {
+ :what => what, :string => result_string, :fp => fp
+ }, :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(m, params)
debug "#{html.size} bytes of html recieved"
debug html
- candidates = html.match(/font-weight:bold">(.*?)<\/(?:span|div)>/)
+ candidates = html.match(GOOGLE_CALC_RESULT)
debug "candidates: #{candidates.inspect}"
if candidates.nil?
plugin = SearchPlugin.new
+plugin.map "ddg *words", :action => 'duckduckgo'
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 "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