# ...

class Package
    def name
        @name
    end

    def name(name)
        @name = name
    end

    def version
        @version
    end

    def version(version)
        @version = version
    end

    def filename
        @filename
    end

    def filename(filename)
        @filename = filename
    end

    def description
        @desc
    end

    def description(desc)
        @desc = desc
    end

    def url
        @url
    end

    def url(url)
        @url = url
    end

    def to_s
        @name
    end
end

#...

 parse_repository_file(repo).each do |pkg|
        puts pkg.name
            puts pkg.to_s
 end