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#ifndef PGIMPORT_H
#define PGIMPORT_H
/* Prefix when importing module */
#define IMPPREFIX "pygame."
#include "pgcompat.h"
#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
#define PG_CAPSULE_NAME(m) (IMPPREFIX m "." PYGAMEAPI_LOCAL_ENTRY)
/*
* fill API slots defined by PYGAMEAPI_DEFINE_SLOTS/PYGAMEAPI_EXTERN_SLOTS
*/
#define _IMPORT_PYGAME_MODULE(module) \
{ \
PyObject *_mod_##module = PyImport_ImportModule(IMPPREFIX #module); \
\
if (_mod_##module != NULL) { \
PyObject *_c_api = \
PyObject_GetAttrString(_mod_##module, PYGAMEAPI_LOCAL_ENTRY); \
\
Py_DECREF(_mod_##module); \
if (_c_api != NULL && PyCapsule_CheckExact(_c_api)) { \
void **localptr = (void **)PyCapsule_GetPointer( \
_c_api, PG_CAPSULE_NAME(#module)); \
_PGSLOTS_##module = localptr; \
} \
Py_XDECREF(_c_api); \
} \
}
#define PYGAMEAPI_IS_IMPORTED(module) (_PGSLOTS_##module != NULL)
/*
* source file must include one of these in order to use _IMPORT_PYGAME_MODULE.
* this is set by import_pygame_*() functions.
* disable with NO_PYGAME_C_API
*/
#define PYGAMEAPI_DEFINE_SLOTS(module) void **_PGSLOTS_##module = NULL
#define PYGAMEAPI_EXTERN_SLOTS(module) extern void **_PGSLOTS_##module
#define PYGAMEAPI_GET_SLOT(module, index) _PGSLOTS_##module[(index)]
/*
* disabled API with NO_PYGAME_C_API; do nothing instead
*/
#ifdef NO_PYGAME_C_API
#undef PYGAMEAPI_DEFINE_SLOTS
#undef PYGAMEAPI_EXTERN_SLOTS
#define PYGAMEAPI_DEFINE_SLOTS(module)
#define PYGAMEAPI_EXTERN_SLOTS(module)
/* intentionally leave this defined to cause a compiler error *
#define PYGAMEAPI_GET_SLOT(api_root, index)
#undef PYGAMEAPI_GET_SLOT*/
#undef _IMPORT_PYGAME_MODULE
#define _IMPORT_PYGAME_MODULE(module)
#endif /* NO_PYGAME_C_API */
#define encapsulate_api(ptr, module) \
PyCapsule_New(ptr, PG_CAPSULE_NAME(module), NULL)
#endif /* ~PGIMPORT_H */
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