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Tue Oct 11 16:24:01 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-October/114024.html

On 10/11/2011 02:45 PM, Amaury Forgeot d'Arc wrote:
> It should also check for errors; in this case the initialization is a
> bit more verbose:
> if (PY_IDENTIFIER_INIT(update) < 0)
> <return NULL or return -1 or goto error>;

Error checking is somewhat more controversial because behavior in case 
of error differs between situations and coding patterns.  I think it 
should be up to the calling code to check for s_update remaining NULL. 
In my example, I would expect PyObject_CallMethodObj and similar to 
raise InternalError when passed a NULL pointer.  Since their return 
values are already checked, this should be enought to cover the unlikely 
case of identifier creation failing.

Hrvoje

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[Python-Dev] Identifier API