"R.Wieser"  writes:
> Richard,
>
>> It certainly isn't going to cause the function to be called
>> different numbers of times at some point in the future;
>
> Are you sure ?
>
> 1) The "PWMType.tp_new = PyType_GenericNew;" inside the
> "PWM_init_PWMType" function is called exactly /once/ when the GPIO
> module is loaded..

No function is called in that line.

> 2)AFAIK the "tp_new" function is called /every time/ you instanciate
> the PWM class on a selected pin.

Yes. tp_new, and therefore PyType_GenericNew, are called precisely as
many times as you create a PWM instance. No more, no less.

--
https://www.greenend.org.uk/rjk/

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