On Sep 10, 2017, at 13:46, Nathaniel Smith <n...@pobox.com> wrote: > > On Sun, Sep 10, 2017 at 12:06 PM, Barry Warsaw <ba...@python.org> wrote: >> For PEP 553, I think it’s a good idea to support the environment variable >> $PYTHONBREAKPOINT[*] but I’m stuck on a design question, so I’d like to get >> some feedback. >> >> Should $PYTHONBREAKPOINT be consulted in breakpoint() or in >> sys.breakpointhook()? > > Wouldn't the usual pattern be to check $PYTHONBREAKPOINT once at > startup, and if it's set use it to initialize sys.breakpointhook()? > Compare to, say, $PYTHONPATH.
Perhaps, but what would be the visible effects of that? I.e. what would that buy you? Cheers, -Barry
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