[Python-Dev] Python 2.3 release schedule
Tue, 28 May 2002 08:01:49 -0700
Michael Hudson wrote:
> 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.
It's not pretty. Look at pyexpat.c for an example. Perhaps something
like this would be good enough (untested):
#if PY_VERSION_HEX < 0x020200B1
#define PyObject_GC_New PyObject_New
#define PyObject_GC_NewVar PyObject_NewVar
#define PyObject_GC_Del PyObject_Del
People could then always use the 2.2 API but the objects would only be
collected in versions >= 2.2. Using the 2.1 API is a fair bit trickier
and you can't hide those differences using macros (although you could
make it easier for people who want to support 2.1 and >=2.2).