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From: Devin Jeanpierre <jeanpierreda@gmail.com>
Date: Wed, 15 Feb 2012 08:52:21 -0500
Subject: Re: atexit.register in case of errors
To: mwilson@the-wire.com
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On Wed, Feb 15, 2012 at 8:33 AM, Mel Wilson <mwilson@the-wire.com> wrote:
> The usual way to do what you're asking is
>
> if __name__ =3D=3D '__main__':
> =C2=A0 =C2=A0main()
> =C2=A0 =C2=A0goodbye()
>
> and write main so that it returns after it's done all the things it's
> supposed to do. =C2=A0If you've sprinkled `sys.exit()` all over your code=
, then
> don't do that. =C2=A0If you're forced to deal with a library that hides
> `sys.exit()` calls in the functions, then you have my sympathy. =C2=A0Lib=
rary
> authors should not do that, and there have been threads on c.l.p explaini=
ng
> why they shouldn't.

In such a case. one can do::

    if __name__ =3D=3D '__main__':
        try:
            main()
        except SystemExit:
            pass
        goodbye()

-- Devin