OOP - how to abort an __init__ when the initialisation code fails ?

[Rob Gaddi]

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.