Added page.image_descriptionurls method, updated README.

README.textile

@@ -40,15 +40,18 @@ page.images
 
 page.image_urls
 
-=> ["http://upload.wikimedia.org/wikipedia/en/e/e1/Getting_Things_Done.jpg", ...]]</code></pre>
+=> ["http://upload.wikimedia.org/wikipedia/en/e/e1/Getting_Things_Done.jpg"]
+
+page.image_descriptionurls
+=> ["http://en.wikipedia.org/wiki/File:Getting_Things_Done.jpg"]
 
 page.coordinates
 
-=> [48.853, 2.3498, "", "earth"] 
+=> [48.853, 2.3498, "", "earth"]
 
 page.templates
 
-=> [..., "Template:About", ...]
+=> [..., "Template:About", ...]</code></pre>
 
 h2. Configuration
 

lib/wikipedia/page.rb

@@ -48,17 +48,16 @@ def image_url
       page['imageinfo'].first['url'] if page['imageinfo']
     end
 
+    def image_descriptionurl
+      page['imageinfo'].first['descriptionurl'] if page['imageinfo']
+    end
+
     def image_urls
-      if list = images
-        filtered = list.select {|i| i =~ /^file:.+\.(jpg|jpeg|png|gif)$/i && !i.include?("LinkFA-star") }
-        filtered.map do |title|
-          Wikipedia.find_image( title ).image_url
-        end
-      end
+      image_metadata.map {|img| img.image_url }
     end
 
-    def image_descriptionurl
-      page['imageinfo'].first['descriptionurl'] if page['imageinfo']
+    def image_descriptionurls
+      image_metadata.map {|img| img.image_descriptionurl }
     end
 
     def coordinates
@@ -69,6 +68,16 @@ def raw_data
       @data
     end
 
+    def image_metadata
+      unless @cached_image_metadata
+        if list = images
+          filtered = list.select {|i| i =~ /^file:.+\.(jpg|jpeg|png|gif)$/i && !i.include?("LinkFA-star") }
+          @cached_image_metadata = filtered.map {|title| Wikipedia.find_image(title) }
+        end
+      end
+      @cached_image_metadata || []
+    end
+
     def templates
       page['templates'].map {|c| c['title'] } if page['templates']
     end