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POHow can I use readability gem on Rails 3.0.x?
 

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  1. POHow can I use readability gem on Rails 3.0.x?
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    <p>I'm going to use readability gem on my rails 3 app. I can't use it as advised on the github page <a href="http://github.com/sspinc/readability" rel="nofollow">http://github.com/sspinc/readability</a> inside the app although it works fine on ruby console.</p> <p>On the ruby console:</p> <pre><code>&gt; require 'open-uri' =&gt; true &gt; require 'readability' =&gt; true &gt; doc = Nokogiri::HTML(open('http://google.com')) =&gt; #&lt;Nokogiri::HTML::Document:0x81345324 name="document" &gt; doc.to_readable =&gt; #&lt;Nokogiri::XML::Element:0x813299a8 name="html" # (expected result without any error) </code></pre> <p>On the rails console:</p> <pre><code>&gt; doc = Nokogiri::HTML(open('http://google.com')) =&gt; #&lt;Nokogiri::HTML::Document:0x81c2baec name="document" # (and so on.. expected result) &gt; readable = doc.to_readable SyntaxError: /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/readability-0.1.5/lib/readability/js/readability.js:2: syntax error, unexpected '=' if(typeof console !== 'undefined') { ^ /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/readability-0.1.5/lib/readability/js/readability.js:2: syntax error, unexpected '{', expecting kTHEN or ':' or '\n' or ';' /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/readability-0.1.5/lib/readability/js/readability.js:5: syntax error, unexpected '}', expecting $end from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load' from /Users/apraditya/.rvm/gems/ruby-1.8.7-p299/gems/harmony-0.5.6/lib/harmony/page.rb:76:in `load' </code></pre> <p>I verified that it is not a javascript syntax error. Judging by the active support error, it failed loading the dependencies, I suspect that Rails has failed to load the required gems that readability use (like harmony, johnson and envjs) to handle javascript and DOM in Ruby.</p> <p>So my guess was may be somthing wrong in the Gemfile? Here's my current Gemfile:</p> <pre><code>source 'http://rubygems.org' gem 'rails', '3.0.3' gem 'devise', '~&gt; 1.1.5' gem 'haml', '3.0.24' gem 'simple_form' gem 'cancan' gem 'will_paginate', '~&gt; 3.0.beta' gem 'feedzirra', :require =&gt; [ 'feedzirra' ] gem 'loofah', '1.0.0.beta.1' gem 'compass', '~&gt; 0.10.4' gem 'meta_where', '~&gt; 0.9' gem 'populator' gem 'simple-navigation' gem 'readability' </code></pre> <p>I have tried adding :require option in readability to specify harmony, johnson and envjs; and reran 'bundle install' without any error, but I still have the same error.</p> <p>I have also checked the config/application.rb to require all the gems in the Gemfile. with this line</p> <pre><code>Bundler.require(:default, Rails.env) if defined?(Bundler) </code></pre> <p>So, back to the question, how can I use readability on Rails 3.0.x? Did I miss something? I'm on MacOS 10.6.5 if that matters.</p> <p>Thank you</p>
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