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&no_redirect=0&q="
+DDG_API_SEARCH = "http://api.duckduckgo.com/?format=xml&no_html=1&skip_disambig=1&no_redirect=0&q="
+
+WOLFRAM_API_SEARCH = "http://api.wolframalpha.com/v2/query?input=%{terms}&appid=%{key}&format=plaintext" +
+ "&scantimeout=3.0&podtimeout=4.0&formattimeout=8.0&parsetimeout=5.0" +
+ "&excludepodid=SeriesRepresentations:*"
+WOLFRAM_API_KEY = "4EU37Y-TX9WJG3JH3"
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")
"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 "wa"
+ "wa <string> => searches WolframAlpha for <string>"
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> | ddg <string> to search DuckDuckGo | 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 | wa <string> => search for <string> on WolframAlpha | unpedia <string> => search for <string> on Uncyclopedia"
end
end
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
heading = xml.elements['//Heading/text()'].to_s
# answer is returned for calculations
answer = xml.elements['//Answer/text()'].to_s
- if heading.empty? and answer.empty?
+ # abstract is returned for definitions etc
+ abstract = xml.elements['//AbstractText/text()'].to_s
+ abfrom = ""
+ unless abstract.empty?
+ absrc = xml.elements['//AbstractSource/text()'].to_s
+ aburl = xml.elements['//AbstractURL/text()'].to_s
+ unless absrc.empty? and aburl.empty?
+ abfrom = " --"
+ abfrom << " " << absrc unless absrc.empty?
+ abfrom << " " << aburl unless aburl.empty?
+ end
+ end
+
+ # but also definition (yes, you can have both, see e.g. printf)
+ definition = xml.elements['//Definition/text()'].to_s
+ deffrom = ""
+ unless definition.empty?
+ defsrc = xml.elements['//Definition/@source/text()'].to_s
+ defurl = xml.elements['//Definition/@url/text()'].to_s
+ unless defsrc.empty? and defurl.empty?
+ deffrom = " --"
+ deffrom << " " << defsrc unless defsrc.empty?
+ deffrom << " " << defurl unless defurl.empty?
+ end
+ end
+
+ if heading.empty? and answer.empty? and abstract.empty? and definition.empty?
m.reply "no results"
return
end
- if terms =~ /^define/
- if heading.empty?
- m.reply "no definition found"
- return
- end
- # Format and return a different string if it is a definition search.
- definition = xml.elements['//AbstractText/text()'].to_s
- source = " -- #{xml.elements['//AbstractURL/text()']}"
- m.reply Bold + heading + ": " + Bold + definition + source
- elsif heading.empty?
- # return a calculation
+
+ # if we got a one-shot answer (e.g. a calculation, return it)
+ unless answer.empty?
m.reply answer
- else
- # else, return a zeroclick search
- links, text = [], []
- hits = @bot.config['duckduckgo.hits']
- xml.elements.each("//RelatedTopics/RelatedTopic/FirstURL") { |element|
- links << element.text
+ 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}%{abfrom}" % {
+ :bold => Bold, :heading => heading,
+ :abstract => abstract, :abfrom => abfrom
}
- xml.elements.each("//RelatedTopics/RelatedTopic/Text") { |element|
- text << " #{element.text}"
+ end
+ unless heading.empty? or definition.empty?
+ m.reply "%{bold}%{heading}:%{bold} %{abstract}%{abfrom}" % {
+ :bold => Bold, :heading => heading,
+ :abstract => definition, :abfrom => deffrom
}
- num = 0
- m.reply Bold + heading + ": " + Bold
- until num >= hits
- m.reply links[num] + text[num]
- num += 1
- end
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)
m.reply "#{head} -- #{text}"
end
+ def wolfram(m, params)
+ what = params[:words].to_s
+ terms = CGI.escape what
+ url = WOLFRAM_API_SEARCH % {
+ :terms => terms, :key => WOLFRAM_API_KEY
+ }
+
+ begin
+ feed = @bot.httputil.get(url)
+ raise unless feed
+ rescue => e
+ m.reply "error asking WolframAlfa about #{what}"
+ return
+ end
+ debug feed
+
+ xml = REXML::Document.new feed
+ if xml.elements['/queryresult'].attributes['error'] == "true"
+ m.reply xml.elements['/queryresult/error/text()'].to_s
+ return
+ end
+ unless xml.elements['/queryresult'].attributes['success'] == "true"
+ m.reply "no data available"
+ return
+ end
+ answer = []
+ xml.elements.each("//pod/subpod/plaintext") { |element|
+ answer << element.text
+ }
+ # strip spaces and line breaks
+ answer[1].gsub!(/\n/, Bold + ' :: ' + Bold )
+ answer[1].gsub!(/\t/, ' ')
+ answer[1].gsub!(/\s+/, ' ')
+ m.reply answer[1].to_s
+ end
+
def wikipedia(m, params)
lang = params[:lang]
site = "#{lang.nil? ? '' : lang + '.'}wikipedia.org"
plugin = SearchPlugin.new
-plugin.map "ddg *words", :action => 'duckduckgo'
+plugin.map "ddg *words", :action => 'duckduckgo', :threaded => true
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 "gcalc *words", :action => 'gcalc', :threaded => true
plugin.map "gdef *words", :action => 'gdef', :threaded => true
plugin.map "gtime *words", :action => 'gtime', :threaded => true
+plugin.map "wa *words", :action => 'wolfram', :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