Bind compiled code to name?

["Martin v. Löwis"]

> 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.
> 

d = {}
exec source_code in d
some_name = d['some_name']

HTH,
Martin