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From: Stephen Hansen <me@ixokai.io>
Newsgroups: comp.lang.python
Subject: Re: sys.exit(1) vs raise SystemExit vs raise
Date: Fri, 15 Apr 2016 22:34:32 -0700
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> * You can use named constants from =E2=80=98os=E2=80=99 for the purpose o=
f specifying
>   exit status numbers.

Only on *nix.=20

Even then it varies from platform to platform which constants you can
use. I'd prefer to document the return status and use numbers/my own
constants directly, that way supporting any platform (even windows,
where its %ERRORLEVEL%

--S