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Sat Mar 19 23:51:39 CET 2011 · https://mail.python.org/pipermail/python-dev/2011-March/109534.html

On Sun, Mar 20, 2011 at 4:49 AM, "Martin v. Löwis" <martin at v.loewis.de> wrote:
> I, for example, will find issues with it if the implementation uses
> CreateProcess at some point - the launcher should IMO run Python
> directly, rather than creating a new process. This, in turn, will
> probably mean that you cannot actually implement the PEP in Python.

runpy performs basically that dance to implement
_run_module_as_main(), so it's definitely possible. You just need to
be careful with it, since whatever module you invoke is going to
inherit the __main__ namespace. The implementation in runpy doesn't
suffer that problem, since the interpreter imports it directly, rather
than requiring it to bootstrap itself (/tangent: I think I may have
just noticed a nasty corner case for PEP 395 to deal with...)

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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[Python-Dev] Draft PEP and reference implementation of a Python launcher for Windows