[Python-Dev] PEP 451 update

[Brett Cannon]

On Fri, Oct 25, 2013 at 11:44 AM, Eric Snow <ericsnowcurrently at gmail.com>wrote:

> On Fri, Oct 25, 2013 at 9:40 AM, Brett Cannon <brett at python.org> wrote:
> > After reading Eric's doc patch, I realized there is one change I want to
> > make to the current semantics and that's not to backfill __package__ when
> > set to None. Since import is now going to take over the job of setting
> > __package__ (along with other attributes), this seems like a slight
> waste of
> > effort. It also kills (or at least complicates) having a loader which
> does
> > lazy loading since reading the attribute to see if it is None would
> trigger
> > the load before leaving the import code, thus killing any postponed
> loading.
>
> Fine with me.  I may have time today to make the outstanding updates to
> the PEP.
>

I should also mention this applies to __loader__ as well. Basically
everything from
http://hg.python.org/cpython/file/eb1edc9e3722/Lib/importlib/_bootstrap.py#l1575on
down.
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