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python-binding: Fix Python 3.13+ compatibility

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PyEval_InitThreads and PyEval_CallObject were deprecated since
Python 3.9 and removed in Python 3.12+ and 3.13+ respectively.

These APIs are unavailable on Debian 13 which ships Python 3.13.

Refer to: https://github.com/eclipse/mraa/issues/1135

Signed-off-by: Chun Jiao Zhao <chunjiao.zhao@siemens.com>
This commit is contained in:
Chun Jiao Zhao
2025-09-02 16:09:53 +08:00
committed by Tom Ingleby
parent 81ecdb68ee
commit 28fa501b6c
2 changed files with 11 additions and 1 deletions
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6
src/python/mraapy.c
View File

@@ -25,9 +25,13 @@ mraa_python_isr(void (*isr)(void*), void* isr_args)
if (arglist == NULL) {
syslog(LOG_ERR, "gpio: Py_BuildValue NULL");
} else {
#if PY_VERSION_HEX >= 0x03090000
ret = PyObject_CallObject((PyObject*) isr, arglist);
#else
ret = PyEval_CallObject((PyObject*) isr, arglist);
#endif
if (ret == NULL) {
syslog(LOG_ERR, "gpio: PyEval_CallObject failed");
syslog(LOG_ERR, "gpio: Python call failed");
PyObject *pvalue, *ptype, *ptraceback;
PyObject *pvalue_pystr, *ptype_pystr, *ptraceback_pystr;
PyObject *pvalue_ustr, *ptype_ustr, *ptraceback_ustr;

6
src/python/mraapython.i
View File

@@ -151,7 +151,13 @@ class Spi;
// Initialise python threads, this allows use to grab the GIL when we are
// required to do so
Py_InitializeEx(0);
#if PY_VERSION_HEX < 0x03090000
// PyEval_InitThreads() is deprecated since Python 3.9 and removed in Python 3.12
// In Python 3.7+, the GIL is initialized automatically by Py_Initialize()
// Only call PyEval_InitThreads() for Python < 3.9
// Reference: https://docs.python.org/3/c-api/init.html#c.PyEval_InitThreads
PyEval_InitThreads();
#endif
// Add mraa_init() to the module initialisation process and set isr function
mraa_result_t res = mraa_init();
if (res == MRAA_SUCCESS) {