Code block in Octopress

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One of the highlight feature of Octopress is Code block

It can let you share the code with syntax highlight easily.

However, it doesn't work on my Windows 7 machine.

It always throw out the following error

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Error message
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$ rake generate
## Generating Site with Jekyll
unchanged sass/screen.scss
Configuration from d:/MyProject/Git/octopress/_config.yml
Building site: source -> public
Liquid Exception: No such file or directory - python c:/Ruby193/lib/ruby/gems/1.9.1/gems/pygments.rb-0.3.7/lib/pygments/mentos.py in 2013-01-06-octopress.markdown
c:/Ruby193/lib/ruby/gems/1.9.1/gems/posix-spawn-0.3.6/lib/posix/spawn.rb:162:in 'spawn'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/posix-spawn-0.3.6/lib/posix/spawn.rb:162:in 'spawn'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/posix-spawn-0.3.6/lib/posix/spawn.rb:307:in 'popen4'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/pygments.rb-0.3.7/lib/pygments/popen.rb:41:in 'start'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/pygments.rb-0.3.7/lib/pygments/popen.rb:203:in 'mentos'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/pygments.rb-0.3.7/lib/pygments/popen.rb:192:in 'highlight'
d:/MyProject/Git/octopress/plugins/pygments_code.rb:24:in 'pygments'
d:/MyProject/Git/octopress/plugins/pygments_code.rb:14:in 'highlight'
d:/MyProject/Git/octopress/plugins/code_block.rb:82:in 'render'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/liquid-2.3.0/lib/liquid/block.rb:94:in 'block in render_all'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/liquid-2.3.0/lib/liquid/block.rb:92:in 'collect'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/liquid-2.3.0/lib/liquid/block.rb:92:in 'render_all'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/liquid-2.3.0/lib/liquid/block.rb:82:in 'render'
c:/Ruby193/lib/ruby/gems/1.9.1/gems/liquid-2.3.0/lib/liquid/template.rb:124:in 'render'

I followed exactly the steps of installation that I found. No one mentions this problem.

Moreover, I can't find anyone else having this issue.

I guess I am on my own.

First I need to figure out how Octopress does this feature.

It seems like Octopress use Pygments from this error message.

So I tried to update pyments to the latest version. But it doesn't work.

Then I found out Pygments uses Python to work.

And I didn't have Python installed.

Well, I guess that should be it.

But thing doesn't seem like that easy. It still doesn't work after I installed Python 2.7 / 3.3.

After hours and hours thinking, I noticed I can't run Python beside its folder.

OMG ! It is PATH !

After I add correct path to windows environment, IT STILL REFUSED WORK.

I entered path in the cmd. It doesn't show the path I just added.

Apparently, I need to reboot my machine to get it to work.

(another way is use SET PATH=%PATH%;C:\pathoftheprogram to avoid reboot.)

Finally ! It works like a charm after reboot.

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function helloWorld()
{
    alert("Hello World!");
}