Bind compiled code to name?

[Karlo Lozovina]

If string `source_code` contains Python source code, how can I execute 
that code, and bind it to some name? I tried compiling with: 

    code_object = compile(source_code, 'errorfile', 'exec')

but then what to do with `code_object`?

P.S.
If my intentions aren't that clear, this is what I'm trying to do. I want 
to emulate this:

   import some_module as some_name

but with my code in `some_module` string, and not in file.


Thanks...

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