    # File lib/compass/sass_extensions/sprites/sprite_map.rb, line 15
            def self.from_uri(uri, context, kwargs)
              uri = uri.value
              path, name = Compass::SpriteImporter.path_and_name(uri)
              files = Compass::SpriteImporter.files(uri)
              sprites = files.map do |sprite|
                relative_name(sprite)
              end
              new(sprites, path, name, context, kwargs)
            end