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#ifndef _proxy_H_
#define _proxy_H_ 1
typedef struct {
PyObject_HEAD
PyObject *proxy_object;
} ProxyObject;
#define Proxy_GET_OBJECT(ob) (((ProxyObject *)(ob))->proxy_object)
typedef struct {
PyTypeObject *proxytype;
int (*check)(PyObject *obj);
PyObject *(*create)(PyObject *obj);
PyObject *(*getobject)(PyObject *proxy);
} ProxyInterface;
#ifndef PROXY_MODULE
/* These are only defined in the public interface, and are not
* available within the module implementation. There we use the
* classic Python/C API only.
*/
static ProxyInterface *_proxy_api = NULL;
static int
Proxy_Import(void)
{
if (_proxy_api == NULL) {
PyObject *m = PyImport_ImportModule("zope.proxy");
if (m != NULL) {
PyObject *tmp = PyObject_GetAttrString(m, "_CAPI");
if (tmp != NULL) {
#if PY_VERSION_HEX < 0x02070000
if (PyCObject_Check(tmp))
_proxy_api = (ProxyInterface *)
PyCObject_AsVoidPtr(tmp);
#else
if (PyCapsule_CheckExact(tmp))
_proxy_api = (ProxyInterface *)
PyCapsule_GetPointer(tmp, NULL);
#endif
Py_DECREF(tmp);
}
}
}
return (_proxy_api == NULL) ? -1 : 0;
}
#define ProxyType (*_proxy_api->proxytype)
#define Proxy_Check(obj) (_proxy_api->check((obj)))
#define Proxy_CheckExact(obj) ((obj)->ob_type == ProxyType)
#define Proxy_New(obj) (_proxy_api->create((obj)))
#define Proxy_GetObject(proxy) (_proxy_api->getobject((proxy)))
#endif /* PROXY_MODULE */
#endif /* _proxy_H_ */
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