[Tutor] Is there a 'hook' to capture all exits from a python program?

[Albert-Jan Roskam]

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On Wed, Mar 18, 2015 8:43 PM CET Mark Lawrence wrote:

>On 18/03/2015 18:28, Doug Basberg wrote:
>> I do real-time controls programming and I control a relay in a python
>> program that must be turned off before the program ends.  First, the program
>> should never exit unless I do it explicitly.  Is there a 'hook' to process
>> before any exit (even if not expected).  I must turn off that relay or harm
>> may occur.  Thanks, Doug
>>
>
>https://docs.python.org/3/library/atexit.html

... But that's only for normal program termination; sys.excepthook is for unexpected exits. I would be interested to hear about a module that does both.