[Python-Dev] PEP 553 V2 - builtin breakpoint() (was Re: PEP 553: Built-in debug())

Nick Coghlan ncoghlan at gmail.com
Thu Sep 7 21:12:20 EDT 2017

On 7 September 2017 at 11:43, Barry Warsaw <barry at python.org> wrote:
> Environment variable
> --------------------
> Should we add an environment variable so that ``sys.breakpointhook()``
> can be
> set outside of the Python invocation?  E.g.::
>     $ export PYTHONBREAKPOINTHOOK=my.debugger:Debugger
> This would provide execution environments such as IDEs which run Python code
> inside them, to set an internal breakpoint hook before any Python code
> executes.

Related to this is the suggestion that we make the default
sys.breakpointhook() a no-op, so that accidentally checking in calls
to breakpoint() won' t hang CI systems.

Then folks that wanted to use the functionality would set


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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