pyd: implementing __hash__ and __str__ for PyD wrapped classes

[harfel via Digitalmars-d-learn]

On Wednesday, 5 April 2017 at 11:39:47 UTC, Nicholas Wilson wrote:
> On Wednesday, 5 April 2017 at 09:31:09 UTC, harfel wrote:
>> Dear all,
>>
>> [...]
>>
>> Following the documentation and code examples, I got the basic 
>> functionality working. However, I am struggling with 
>> implementing the magic functions __str__ and __hash__ of the 
>> extension class. >> Is there a way to declare these slots in 
>> PyD? I noticed that Repr does this for __repr__ and the 
>> operator overloads do this of course for their respective 
>> slots, but I could not find anything for __hash__ and __str__.
>>
>> [...]
>
> I haven't chased the source but most likely __hash__ and 
> __str__ will be "magically" generated from toHash() and 
> toString() respectively (both methods of Object, 
> see:https://dlang.org/phobos/object.html#.Object).

Unfortunately, this does not seem to be the case, as my D classes 
do override
toHash and toString, but they are not called by the corresponding 
python classes.