[Python-Dev] Re: [Import-sig] Re: Proposal for a modified import mechanism.

[Thomas Heller]

From: "Just van Rossum" <just@letterror.com>
> Greg Ward wrote:
> 
> >     More importantly, it is fundamentally impossible for module
> >     reloading to work in Python.  Believe me, I've tried several times,
> >     and each time I run up against the same brick wall: [ ..... ]
> > 
> > If anyone has a solution to this, I'm all ears, but for now I'm pretty
> > well convinced that it cannot be done.
> 
> Has anyone ever tried something like this:
> 
>     make a copy of module.__dict__
>     module.__dict__.clear()
>     execute source in module.__dict__
>     for each function in module:
>         assign new func attrs to *old* func object
>             (possible for func_code, func_defaults, func_doc and func_dict)
>         inject old (but updated!) func object back into module.__dict__
>     for each class in module:
>         for each func in class:
>             <same as global functions>
>         # XXX something with __bases__...
> 
> ?

http://groups.google.com/groups?selm=9ss15a%2414snvc%242%40ID-59885.news.dfncis.de

Thomas