Are we still planning to provide a mechanism to declare APIs, etc as
deprecated?
I have this code added to pyport.h which works for gcc:
/* Py_DEPRECATED(version)
* Declare a macro or function deprecated.
* Usage:
* extern int old_var Py_DEPRECATED(2.3);
* typedef int T1 Py_DEPRECATED(2.4);
* extern int x() Py_DEPRECATED(2.5);
*/
#if defined(__GNUC__) && (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)
#define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__))
#else
#define Py_DEPRECATED(VERSION_UNUSED)
#endif
The version number is not necessary. It is only for documentation.
I don't know how to support other compilers.
We could add Py_USE_DEPRECATED and/or Py_HIDE_DEPRECATED for
providing/hiding access to deprecated features.
#ifdef Py_USE_DEPRECATED
#define Py_SOME_DEPRECATED_MACRO
#endif
or
#ifndef Py_HIDE_DEPRECATED
#define Py_SOME_DEPRECATED_MACRO
#endif
Unfortunately, the Py_DEPRECATED macro doesn't work with macros, so we
would have to use Py_USE_DEPRECATED/Py_HIDE_DEPRECATED around
deprecated macros.
Neal
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