-require 'open-uri'
+#-- vim:sw=2:et
+#++
+#
+# :title: lastfm plugin for rbot
+#
+# Author:: Jeremy Voorhis
+# Author:: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
+#
+# Copyright:: (C) 2005 Jeremy Voorhis
+# Copyright:: (C) 2007 Giuseppe Bilotta
+#
+# License:: GPL v2
-# plugin submitted by Jeremy Voorhis (jvoorhis)
+class ::LastFmEvent
+ SELECTOR = /<tr class="vevent.*?<\/tr>/m
+ # matches are:
+ # 1. day 2. moth 3. year 4. url_who 5. who 6. url_where 7. where 8. how_many
+ # TODO festival have TWO dates -------+
+ # TODO event type -------------+ |
+ # V V
+ MATCHER = /<tr class="vevent\s+\w+\s+(?:\S+\s+)?\S+?-(\d\d)-(\d\d)-(\d\d\d\d)\s*">.*?<a class="url summary" href="(\/event\/\d+)">(.*?)<\/a>.*?<a href="(\/venue\/\d+)">(.*?)<\/a>.*?<td>(?:(.*?) attending\s+)?.*?<\/td>\s+<\/tr>/m
+ attr_accessor :url, :date, :artist, :location, :attendance
+ def initialize(url, date, artist, location, attendance)
+ @url = url
+ @date = date
+ @artist = artist
+ @location = location
+ @attendance = attendance
+ end
+
+ def compact_display
+ if @attendance.empty?
+ return "%s %s @ %s %s" % [@date.strftime("%a %b, %d %Y"), @artist, @location, @url]
+ else
+ return "%s %s @ %s (%s) %s" % [@date.strftime("%a %b, %d %Y"), @artist, @location, @attendance, @url]
+ end
+ end
+ alias :to_s :compact_display
+
+end
class LastFmPlugin < Plugin
+ Config.register Config::IntegerValue.new('lastfm.max_events',
+ :default => 25, :validate => Proc.new{|v| v > 1},
+ :desc => "Maximum number of events to display.")
+ Config.register Config::IntegerValue.new('lastfm.default_events',
+ :default => 3, :validate => Proc.new{|v| v > 1},
+ :desc => "Default number of events to display.")
+
+ LASTFM = "http://www.last.fm"
+
def help(plugin, topic="")
- "lastfm <function> <user> => lastfm data for <user> on last.fm where <function> in [recenttracks, topartists, topalbums, toptracks, tags, friends, neighbors]"
+ case (topic.intern rescue nil)
+ when :event, :events
+ "lastfm [<num>] events in <location> => show information on events in or near <location>. lastfm [<num>] events by <artist/group> => show information on events by <artist/group>. The number of events <num> that can be displayed is optional, defaults to #{@bot.config['lastfm.default_events']} and cannot be higher than #{@bot.config['lastfm.max_events']}"
+ when :artist, :group
+ "lastfm artist <name> => show information on artist/group <name> from last.fm"
+ when :song, :track
+ "lastfm track <name> => show information on track/song <name> from last.fm [not implemented yet]"
+ when :album
+ "lastfm album <name> => show information on album <name> from last.fm [not implemented yet]"
+ else
+ "lastfm <function> <user> => lastfm data for <user> on last.fm where <function> in [recenttracks, topartists, topalbums, toptracks, tags, friends, neighbors]. other topics: events, artist, group, song, track, album"
+ end
end
- def do_lastfm (m, params)
+ def find_event(m, params)
+ num = params[:num] || @bot.config['lastfm.default_events']
+ num = num.to_i.clip(1, @bot.config['lastfm.max_events'])
+
+ location = artist = nil
+ location = params[:location].to_s if params[:location]
+ artist = params[:who].to_s if params[:who]
+ page = nil
+ spec = location ? "in #{location}" : "by #{artist}"
+ query = location ? "?findloc=#{CGI.escape(location)}" : "?s=#{CGI.escape(artist)}&findloc="
begin
- if params[:action] == "neighbors" || params[:action] == "neighbours" then
- params[:action]="neighbours"
+ page = @bot.httputil.get LASTFM + "/events/" + query
+ if page
+ events = Array.new
+ disp_events = Array.new
+
+ pre_events = page.scan(LastFmEvent::SELECTOR)
+ # debug pre_events.inspect
+ if pre_events.empty?
+ # We may not find any even because the page gives a list
+ # of locations instead. In this case, retry with the first of
+ # these location
+ if page.match(/<a href="(\/events\/\?l=[^"]+)">/)
+ debug "Rechecking with #{$1}"
+ page = @bot.httputil.get(LASTFM+$1)
+ debug page
+ pre_events = page.scan(LastFmEvent::SELECTOR) if page
+ debug pre_events
+ end
+ if pre_events.empty?
+ m.reply "No events found #{spec}, sorry"
+ return
+ end
+ end
+ pre_events.each { |s| s.scan(LastFmEvent::MATCHER) { |day, month, year, url_who, who, url_where, where, how_many|
+ date = Time.utc(year.to_i, month.to_i, day.to_i)
+ url = LASTFM + url_who
+ if who.match(/<strong>(.*?)<\/strong>(.+)?/)
+ artist = Bold + $1.ircify_html + Bold
+ artist << ", " << $2.ircify_html if $2
+ else
+ debug "who: #{who.inspect}"
+ artist = who.ircify_html
+ end
+ if where.match(/<strong>(.*?)<\/strong>(?:<br\s*\/>(.+)?)?/)
+ loc = Bold + $1.ircify_html + Bold
+ loc << ", " << $2.ircify_html if $2
+ else
+ debug where.inspect
+ loc = where.ircify_html
+ end
+ attendance = how_many ? how_many.ircify_html : ''
+ events << LastFmEvent.new(url, date, artist, loc, attendance)
+ } }
+ # debug events.inspect
+
+ events[0...num].each { |event|
+ disp_events << event.to_s
+ }
+ m.reply disp_events.join(' | '), :split_at => /\s+\|\s+/
+ else
+ m.reply "No events found #{spec}"
+ return
end
- data = open("http://ws.audioscrobbler.com/1.0/user/#{params[:user]}/#{params[:action]}.txt")
- m.reply "#{params[:action]} for #{params[:user]}:"
- data.to_a[0..2].each do |line|
- m.reply line.split(',')[-1]
+ rescue Exception => e
+ m.reply "I had problems looking for events #{spec}"
+ error e.inspect
+ debug e.backtrace.join("\n")
+ debug page[0...10*1024] if page
+ return
+ end
+ end
+
+ def find_artist(m, params)
+ artist = params[:who].to_s
+ page = nil
+ begin
+ esc = URI.escape(CGI.escape(artist))
+ page = @bot.httputil.get "#{LASTFM}/music/#{esc}"
+ if page
+ if page.match(/<h1 class="h1artist"><a href="([^"]+)">(.*?)<\/a><\/h1>/)
+ url = LASTFM + $1
+ title = $2.ircify_html
+ else
+ raise "No URL/Title found for #{artist}"
+ end
+
+ wiki = "This artist doesn't have a description yet. You can help by writing it: #{url}/+wiki?action=edit"
+ if page.match(/<div (?:class|id)="wikiAbstract">(.*?)<\/div>/m)
+ wiki = $1.ircify_html
+ end
+
+ m.reply "%s : %s\n%s" % [title, url, wiki], :overlong => :truncate
+ else
+ m.reply "no data found on #{artist}"
+ return
end
+ rescue Exception => e
+ m.reply "I had problems looking for #{artist}"
+ error e.inspect
+ debug e.backtrace.join("\n")
+ debug page[0...10*1024] if page
+ return
+ end
+ end
+
+ def find_track(m, params)
+ m.reply "not implemented yet, sorry"
+ end
+
+ def find_album(m, params)
+ m.reply "not implemented yet, sorry"
+ end
+
+ def lastfm(m, params)
+ action = params[:action].intern
+ action = :neighbours if action == :neighbors
+ user = params[:user]
+ begin
+ data = @bot.httputil.get("http://ws.audioscrobbler.com/1.0/user/#{user}/#{action}.txt")
+ m.reply "#{action} for #{user}:"
+ m.reply data.to_a[0..3].map{|l| l.split(',',2)[-1].chomp}.join(", ")
rescue
- m.reply "could not find #{params[:action]} for #{params[:user]} (is #{params[:user]} a user?)"
+ m.reply "could not find #{action} for #{user} (is #{user} a user?)"
end
end
end
plugin = LastFmPlugin.new
-plugin.map 'lastfm :action :user', :action => 'do_lastfm'
+plugin.map 'lastfm [:num] event[s] in *location', :action => :find_event, :requirements => { :num => /\d+/ }, :thread => true
+plugin.map 'lastfm [:num] event[s] by *who', :action => :find_event, :requirements => { :num => /\d+/ }, :thread => true
+plugin.map 'lastfm [:num] event[s] [for] *who', :action => :find_event, :requirements => { :num => /\d+/ }, :thread => true
+plugin.map 'lastfm artist *who', :action => :find_artist, :thread => true
+plugin.map 'lastfm group *who', :action => :find_artist, :thread => true
+plugin.map 'lastfm track *dunno', :action => :find_track
+plugin.map 'lastfm song *dunno', :action => :find_track
+plugin.map 'lastfm album *dunno', :action => :find_album
+plugin.map 'lastfm :action *user', :thread => true
projects / user / henk / code / ruby / rbot.git / blobdiff