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Wed Oct 24 17:39:23 EDT 2018 · https://mail.python.org/pipermail/python-dev/2018-October/155574.html

On Wed, Oct 24, 2018 at 3:31 PM Steven D'Aprano <steve at pearwood.info> wrote:

> On Wed, Oct 24, 2018 at 09:34:34AM -0400, Calvin Spealman wrote:
>
> > Simply put, there is no valid use case for os.system over subprocess
>
> If you depreciate and then remove os.system, all you will do is force
> people to re-invent it, badly and inefficiently.

Indeed.  Usability counts, as does not arbitrarily breaking vast amounts of
existing code that Just Works.

Every code-breaking deprecation is an invitation for unseen thousands or
millions to ponder, "Hm, this script doesn't work anymore. Maybe now is the
time to look at Node or Rust."

-Peter
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[Python-Dev] "Deprecation" of os.system in favor of subprocess?