add a replacement API for PyCObject, PyCapsule #5630

All stdlib modules with C-APIs now use this.

Patch by Larry Hastings

3 files changed, 12 insertions, 7 deletions

diff --git a/Modules/cjkcodecs/cjkcodecs.h b/Modules/cjkcodecs/cjkcodecs.h
index 0530a33ab1..e63067187e 100644
--- a/Modules/cjkcodecs/cjkcodecs.h
+++ b/Modules/cjkcodecs/cjkcodecs.h
@@ -239,6 +239,8 @@ static const struct dbcs_map *mapping_list;
 	static const MultibyteCodec *codec_list =	\
 		(const MultibyteCodec *)_codec_list;
 
+
+
 static PyObject *
 getmultibytecodec(void)
 {
@@ -284,7 +286,7 @@ getcodec(PyObject *self, PyObject *encoding)
 		return NULL;
 	}
 
-	codecobj = PyCObject_FromVoidPtr((void *)codec, NULL);
+	codecobj = PyCapsule_New((void *)codec, PyMultibyteCodec_CAPSULE_NAME, NULL);
 	if (codecobj == NULL)
 		return NULL;
 
@@ -309,7 +311,7 @@ register_maps(PyObject *module)
 		int r;
 		strcpy(mhname + sizeof("__map_") - 1, h->charset);
 		r = PyModule_AddObject(module, mhname,
-				PyCObject_FromVoidPtr((void *)h, NULL));
+				PyCapsule_New((void *)h, PyMultibyteCodec_CAPSULE_NAME, NULL));
 		if (r == -1)
 			return -1;
 	}
@@ -364,14 +366,14 @@ importmap(const char *modname, const char *symbol,
 	o = PyObject_GetAttrString(mod, (char*)symbol);
 	if (o == NULL)
 		goto errorexit;
-	else if (!PyCObject_Check(o)) {
+	else if (!PyCapsule_IsValid(o, PyMultibyteCodec_CAPSULE_NAME)) {
 		PyErr_SetString(PyExc_ValueError,
-				"map data must be a CObject.");
+				"map data must be a Capsule.");
 		goto errorexit;
 	}
 	else {
 		struct dbcs_map *map;
-		map = PyCObject_AsVoidPtr(o);
+		map = PyCapsule_GetPointer(o, PyMultibyteCodec_CAPSULE_NAME);
 		if (encmap != NULL)
 			*encmap = map->encmap;
 		if (decmap != NULL)
diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index c6b3492e51..1735dfdd20 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -1793,12 +1793,12 @@ __create_codec(PyObject *ignore, PyObject *arg)
 	MultibyteCodecObject *self;
 	MultibyteCodec *codec;
 
-	if (!PyCObject_Check(arg)) {
+	if (!PyCapsule_IsValid(arg, PyMultibyteCodec_CAPSULE_NAME)) {
 		PyErr_SetString(PyExc_ValueError, "argument type invalid");
 		return NULL;
 	}
 
-	codec = PyCObject_AsVoidPtr(arg);
+	codec = PyCapsule_GetPointer(arg, PyMultibyteCodec_CAPSULE_NAME);
 	if (codec->codecinit != NULL && codec->codecinit(codec->config) != 0)
 		return NULL;
 
diff --git a/Modules/cjkcodecs/multibytecodec.h b/Modules/cjkcodecs/multibytecodec.h
index 22ea5d4abf..71c02cc47e 100644
--- a/Modules/cjkcodecs/multibytecodec.h
+++ b/Modules/cjkcodecs/multibytecodec.h
@@ -132,6 +132,9 @@ typedef struct {
 #define MBENC_FLUSH		0x0001 /* encode all characters encodable */
 #define MBENC_MAX		MBENC_FLUSH
 
+#define PyMultibyteCodec_CAPSULE_NAME "multibytecodec.__map_*"
+
+
 #ifdef __cplusplus
 }
 #endif