lib/datasets/libsvm.rb in red-datasets-0.1.4 vs lib/datasets/libsvm.rb in red-datasets-0.1.5

@@ -39,10 +39,11 @@
       @file = choose_file(note)
       @default_feature_value = default_feature_value
       @metadata.id = "libsvm-#{normalize_name(name)}"
       @metadata.name = "LIBSVM dataset: #{name}"
       @metadata.url = "https://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/"
+      @metadata.licenses = ["BSD-3-Clause"]
     end
 
     def each
       return to_enum(__method__) unless block_given?
 
@@ -97,16 +98,14 @@
       raise ArgumentError, message
     end
 
     def open_data(&block)
       data_path = cache_dir_path + @file.name
-      unless data_path.exist?
-        download(data_path, @file.url)
-      end
+      download(data_path, @file.url)
       if data_path.extname == ".bz2"
         extract_bz2(data_path, &block)
       else
-        File.open(data_path, &block)
+        data_path.open(&block)
       end
     end
 
     def normalize_name(name)
       name.gsub(/[()]/, "").gsub(/[ _;]+/, "-").downcase