Merge branch 'master' of github.com:paulasmuth/recommendify

lib/recommendify/jaccard_input_matrix.rb

@@ -2,17 +2,17 @@ class Recommendify::JaccardInputMatrix < Recommendify::InputMatrix
 
   include Recommendify::CCMatrix
 
-  def initialize(opts={})    
+  def initialize(opts={})
     check_native if opts[:native]
-    super(opts)    
+    super(opts)
   end
 
   def similarity(item1, item2)
     calculate_jaccard_cached(item1, item2)
   end
 
   def similarities_for(item1)
-    return run_native(item1) if @opts[:native]      
+    return run_native(item1) if @opts[:native]
     calculate_similarities(item1)
   end
 
@@ -35,6 +35,7 @@ def calculate_jaccard(set1, set2)
 
   def run_native(item_id)
     res = %x{#{native_path} --jaccard "#{redis_key}" "#{item_id}" "#{redis_url}"}
+    raise "error: dirty exit (#{$?})" if $? != 0
     res.split("\n").map do |line|
       sim = line.match(/OUT: \(([^\)]*)\) \(([^\)]*)\)/)
       raise "error: #{res}" unless sim
@@ -55,4 +56,4 @@ def redis_url
     Recommendify.redis.client.location
   end
 
-end
+end

recommendify.gemspec

@@ -3,7 +3,7 @@ $:.push File.expand_path("../lib", __FILE__)
 
 Gem::Specification.new do |s|
   s.name        = "recommendify"
-  s.version     = "0.3.1"
+  s.version     = "0.3.2"
   s.date        = Date.today.to_s
   s.platform    = Gem::Platform::RUBY
   s.authors     = ["Paul Asmuth"]
@@ -12,11 +12,11 @@ Gem::Specification.new do |s|
   s.summary     = %q{ruby/redis based recommendation engine (collaborative filtering)}
   s.description = %q{Recommendify is a distributed, incremental item-based recommendation engine for binary input ratings. It's based on ruby and redis and uses an approach called "Collaborative Filtering"}
   s.licenses    = ["MIT"]
-  
+
   s.extensions = ['ext/extconf.rb']
 
   s.add_dependency "redis", ">= 2.2.2"
-  
+
   s.add_development_dependency "rspec", "~> 2.8.0"
 
   s.files         = `git ls-files`.split("\n") - [".gitignore", ".rspec", ".travis.yml"]