On Sun, May 31, 2020 at 6:14 AM Mike Miller <python-id...@mgmiller.net> wrote:
>
>
> On 2020-05-28 18:02, Greg Ewing wrote:
> >> If __name__ == '__main__':
> >>      sys.exit(main(sys.argv[1:]))
> >
> > It's not clear that exiting with the return value of main() is
> > the most Pythonic thing to do -- it's more of a C idiom that
>
>
> If you'd like a script to be uhh, highly-scriptable, returning one of the
> os.EX_* status codes can be useful to communicate back to the calling shell 
> what
> happened.
>
> First catch the exceptions, convert to the appropriate status code, then 
> return
> at the end.
>

OR! You could just do nothing. And then, if SystemExit is raised,
Python will return that exit code to the calling process (whether it's
a shell or not). Python even provides a convenient function sys.exit
for raising SystemExit with a specific code...

Don't catch what you can't deal with.

ChrisA
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