From: Intransition <transfire@...>
Date: 2010-06-14T04:35:57+09:00
Subject: Re: Loading a module without polluting my namespace



On Jun 13, 2:33 pm, Hagbard Celine <sin3141...@gmail.com> wrote:
> Hey folks!
>
> In my current project I try to load a module dynamically. Which is
> basically no problem due to 'require` accepting filenames as well. My
> problem is that I'd totally pollute my namespace. I thought of something
> like the following:
>
> def load_module(filename)
>   module NamespaceGuard  # Just a random name
>     require filename
>     # Take a care of the loaded module
>   end
>   # My namespace is clean again
> end
>
> But Ruby's syntax apparently forbids module definitions in methods. I'd
> be very glad if anyone could help me with this problem.

Usually the file you are loading has the "protective" namespace. Eg.

  # namespace_guard.rb
  module NamespaceGuard
    ...
  end

  # main.rb
  require 'namespace_guard'