Discogs artist search

lib/discogs.rb

@@ -1,3 +1,5 @@
+require 'zlib'
+
 class Discogs
   
   def self.artists
@@ -148,7 +150,22 @@ class Discogs
     albums
   end
   
-  private
+  def self.search_for_artist name
+    url = 'http://api.discogs.com/search?q=' << CGI::escape(name) << '&f=xml'
+    stream = open(url,
+      'User-Agent' => 'Haven Import Bot',
+      'Accept-Encoding' => 'gzip, deflate'
+    )
+    if (stream.content_encoding.empty?)
+      body = stream.read
+    else
+      body = Zlib::GzipReader.new(stream).read
+    end
+    x = Nokogiri::XML(body)
+    x.css('exactresults > result[type=artist] > uri, searchresults > result[type=artist] > uri').map{|n| n.text}.first
+  end
+  
+private
   
   def self.get_nodes filename, nodename, &block
     File.open(filename) do |file|