[Cython] [cython-users] which __new__ to use?

[Stefan Behnel]

Nils Bruin, 11.01.2014 00:38:
> In Objects/typeobject.c:2895 I find:
> 
> static PyObject *
> object_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
> {
>     int err = 0;
>     if (excess_args(args, kwds)) {
>         if (type->tp_new != object_new &&
>             type->tp_init != object_init)
>         {
>             err = PyErr_WarnEx(PyExc_DeprecationWarning,
>                        "object() takes no parameters",
>                        1);
>         }
>         else if (type->tp_new != object_new ||
>                  type->tp_init == object_init)
>         {
>             PyErr_SetString(PyExc_TypeError,
>                 "object() takes no parameters");
>             err = -1;
>         }
>     }
>     if (err < 0)
>         return NULL;

Ah, ok, that's newer than my Py2.7 copy then. Should have updated that ages
ago...


> so it would seem that the objects in sage have both tp_new and tp_init 
> overridden (and warnings are enabled). I'm puzzled how `object_new` can 
> even end up being called then.

Because of this change, I guess:

http://thread.gmane.org/gmane.comp.python.cython.devel/15140/focus=15145

Stefan