[Python-Dev] Python 2.3 release schedule
28 May 2002 12:12:33 +0100
Tim Peters <email@example.com> writes:
> [Michael Hudson]
> > Surprise of the day: this [is all that's required!]:
> > #if PY_VERSION_HEX < 0x01060000
> > /* raw memory interface already present */
> > /* there is no object memory interface in 1.5.2 */
> > #define PyObject_Malloc(size) PyMem_Malloc((size))
> > #define PyObject_Realloc(p, size) PyMem_Realloc((p), (size))
> > ...
> How come not the simpler
> #define PyObject_Malloc PyMem_Malloc
> #define PyObject_Realloc PyMem_Realloc
> etc instead? Filling in an argument list prevents use of a name as a
> function designator.
I thought filling out the arguments was better style, for some reason.
Easy enough to change.
> > ...
> > /* There are three "families" of memory API: the "raw memory", "object
> > memory" and "object" families.
> > Raw Memory:
> > PyMem_Malloc, PyMem_Realloc, PyMem_Free
> > Object Memory:
> > PyObject_Malloc, PyObject_Realloc, PyObject_Free
> > Object:
> > PyObject_New, PyObject_NewVar, PyObject_Del
> I rarely mention the PyObject_GC_XYZ family because it's already in good
> shape. But its API changed between 2.1 and 2.2, and it would be good to
> supply a compatibility layer for it too. Pick Neil's brain <wink>.
I was under the impression that the 2.1 and 2.2 interfaces differed in
ways that couldn't easily be papered over with macros. I'll check.
> > ...
> > Comments, flames, etc appreciated.
> I especially liked the (snipped) to-the-point comment blocks;
Thanks; I think it is a good idea to describe intended usage in no
uncertain terms *somewhere* at least. Probably lots of places. Any
book authors reading python-dev?
> PyObject_Del problems were already mentioned; thank you!
I hope it helps!
Famous remarks are very seldom quoted correctly.
-- Simeon Strunsky