data.rb in disco-0.2.9

- old
+ new

@@ -1,11 +1,13 @@
 module Disco
   module Data
     def load_movielens
-      item_path = download_file("ml-100k/u.item", "http://files.grouplens.org/datasets/movielens/ml-100k/u.item",
+      require "csv"
+
+      item_path = download_file("ml-100k/u.item", "https://files.grouplens.org/datasets/movielens/ml-100k/u.item",
         file_hash: "553841ebc7de3a0fd0d6b62a204ea30c1e651aacfb2814c7a6584ac52f2c5701")
-      data_path = download_file("ml-100k/u.data", "http://files.grouplens.org/datasets/movielens/ml-100k/u.data",
+      data_path = download_file("ml-100k/u.data", "https://files.grouplens.org/datasets/movielens/ml-100k/u.data",
         file_hash: "06416e597f82b7342361e41163890c81036900f418ad91315590814211dca490")
 
       # convert u.item to utf-8
       movies_str = File.read(item_path).encode("UTF-8", "binary", invalid: :replace, undef: :replace, replace: "")
 
@@ -27,9 +29,14 @@
     end
 
     private
 
     def download_file(fname, origin, file_hash:)
+      require "digest"
+      require "fileutils"
+      require "net/http"
+      require "tmpdir"
+
       # TODO handle this better
       raise "No HOME" unless ENV["HOME"]
       dest = "#{ENV["HOME"]}/.disco/#{fname}"
       FileUtils.mkdir_p(File.dirname(dest))
 