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pybuffer: don't use the old deprecated buffer protocol for Python 3

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This commit is contained in:
Giacomo Mazzamuto 2018-07-04 18:03:09 +02:00
commit 3594e54f7e
1 changed files with 40 additions and 8 deletions
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48
Lib/python/pybuffer.i
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@ -13,9 +13,17 @@
*/ */
%define %pybuffer_mutable_binary(TYPEMAP, SIZE) %define %pybuffer_mutable_binary(TYPEMAP, SIZE)
%typemap(in) (TYPEMAP, SIZE) %typemap(in) (TYPEMAP, SIZE) {
(int res, Py_ssize_t size = 0, void *buf = 0) { int res; Py_ssize_t size = 0; void *buf = 0;
%#if PY_VERSION_HEX < 0x03000000
res = PyObject_AsWriteBuffer($input, &buf, &size); res = PyObject_AsWriteBuffer($input, &buf, &size);
%#else
Py_buffer view;
res = PyObject_GetBuffer($input, &view, PyBUF_WRITABLE);
size = view.len;
buf = view.buf;
PyBuffer_Release(&view);
%#endif
if (res<0) { if (res<0) {
PyErr_Clear(); PyErr_Clear();
%argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum); %argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum);
@ -39,9 +47,17 @@
*/ */
%define %pybuffer_mutable_string(TYPEMAP) %define %pybuffer_mutable_string(TYPEMAP)
%typemap(in) (TYPEMAP) %typemap(in) (TYPEMAP) {
(int res, Py_ssize_t size = 0, void *buf = 0) { int res; Py_ssize_t size = 0; void *buf = 0;
%#if PY_VERSION_HEX < 0x03000000
res = PyObject_AsWriteBuffer($input, &buf, &size); res = PyObject_AsWriteBuffer($input, &buf, &size);
%#else
Py_buffer view;
res = PyObject_GetBuffer($input, &view, PyBUF_WRITABLE);
size = view.len;
buf = view.buf;
PyBuffer_Release(&view);
%#endif
if (res<0) { if (res<0) {
PyErr_Clear(); PyErr_Clear();
%argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum); %argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum);
@ -65,9 +81,17 @@
*/ */
%define %pybuffer_binary(TYPEMAP, SIZE) %define %pybuffer_binary(TYPEMAP, SIZE)
%typemap(in) (TYPEMAP, SIZE) %typemap(in) (TYPEMAP, SIZE) {
(int res, Py_ssize_t size = 0, const void *buf = 0) { int res; Py_ssize_t size = 0; const void *buf = 0;
%#if PY_VERSION_HEX < 0x03000000
res = PyObject_AsReadBuffer($input, &buf, &size); res = PyObject_AsReadBuffer($input, &buf, &size);
%#else
Py_buffer view;
res = PyObject_GetBuffer($input, &view, PyBUF_CONTIG_RO);
size = view.len;
buf = view.buf;
PyBuffer_Release(&view);
%#endif
if (res<0) { if (res<0) {
PyErr_Clear(); PyErr_Clear();
%argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum); %argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum);
@ -93,9 +117,17 @@
*/ */
%define %pybuffer_string(TYPEMAP) %define %pybuffer_string(TYPEMAP)
%typemap(in) (TYPEMAP) %typemap(in) (TYPEMAP) {
(int res, Py_ssize_t size = 0, const void *buf = 0) { int res; Py_ssize_t size = 0; const void *buf = 0;
%#if PY_VERSION_HEX < 0x03000000
res = PyObject_AsReadBuffer($input, &buf, &size); res = PyObject_AsReadBuffer($input, &buf, &size);
%#else
Py_buffer view;
res = PyObject_GetBuffer($input, &view, PyBUF_CONTIG_RO);
size = view.len;
buf = view.buf;
PyBuffer_Release(&view);
%#endif
if (res<0) { if (res<0) {
%argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum); %argument_fail(res, "(TYPEMAP, SIZE)", $symname, $argnum);
} }