[Import-SIG] PEP 489: Multi-phase extension module initialization; version 5

[Petr Viktorin]

On Wed, May 20, 2015 at 4:07 PM, Eric Snow <ericsnowcurrently at gmail.com> wrote:
> On Wed, May 20, 2015 at 2:37 AM, Petr Viktorin <pviktori at redhat.com> wrote:
>> On 05/20/2015 02:33 AM, Eric Snow wrote:
>   [snip]
>>> Won't frozen modules be likewise affected?
>>
>> No, frozen modules are Python source, just not loaded from a file.
>
> Isn't the mechanism similar to builtins?

No. FrozenImporter loads bytecode from a compiled-in marshalled
string, and then exec() it. It's completely different.

> Regardless, I was hopeful that we could fix FrozenImporter at the same time
> that we fixed BuiltinImporter.

I'm not sure what's to fix in FrozenImporter (it uses
create_module/exec_module already, is there something else?), but I
doubt this PEP is the right place.