[Import-SIG] PEP 420: Implicit Namespace Packages

[PJ Eby]

On May 4, 2012 10:34 AM, "Barry Warsaw" <barry at python.org> wrote:
> Specifically, my proposed elaboration on PEP 420 is this:
>
>  * Explicitly leave the assignment of __file__ to the loader.
>  * Allow loaders to not set __file__
>  * Add an optional API to loaders, module_repr() as defined above.

+1 on all the above, plus getting rid of __file__ for namespace packages.
Seems like an elegant solution to the problems involved, and allows DB or
other importers to make their own attributes like __dsn__ or __url__, but
still have a decent repr.
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