OOP - how to abort an __init__ when the initialisation code fails ?
Rob Gaddi
rgaddi at highlandtechnology.invalid
Mon Nov 4 12:26:08 EST 2019
On 11/4/19 7:32 AM, R.Wieser wrote:
> Hello all,
>
> The whole question: How should I handle failed initialisation code inside
> the __init__ of an object ?
>
> I've seen an example doing a plain "return" (of the value "none""), but have
> no idea if that is all it takes.
>
> Also, I wonder what happens to the object itself. Does it still exist and
> only gets actually destroyed at the next garbage-collection (because of a
> zero reference count), or is it directly discarded (without having called
> the __del__ method) ?
>
> Regards,
> Rudy Wieser
>
>
Raise an exception. Returning None will specifically NOT accomplish the thing
you want; nothing ever checks the return value of __init__.
--
Rob Gaddi, Highland Technology -- www.highlandtechnology.com
Email address domain is currently out of order. See above to fix.
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