void state_tracker_free(state_tracker_t *tracker)
{
free(tracker->info);
#ifdef HAVE_PYTHON
py_state_free(tracker->py);
#endif
free(tracker);
}
py_state_t *py_state_new(const char *script,
unsigned is_file, const char *pyclass)
{
py_state_t *handle;
PyObject *hook;
RARCH_LOG("Initializing Python runtime ...\n");
PyImport_AppendInittab("rarch", &PyInit_Retro);
Py_Initialize();
RARCH_LOG("Initialized Python runtime.\n");
handle = (py_state_t*)calloc(1, sizeof(*handle));
hook = NULL;
handle->main = PyImport_AddModule("__main__");
if (!handle->main)
goto error;
Py_INCREF(handle->main);
if (is_file)
{
/* Have to hack around the fact that the FILE struct
* isn't standardized across environments.
* PyRun_SimpleFile() breaks on Windows because it's
* compiled with MSVC. */
ssize_t len;
char *script_ = NULL;
bool ret = retro_read_file
(script, (void**)&script_, &len);
if (!ret || len < 0)
{
RARCH_ERR("Python: Failed to read script\n");
goto error;
}
PyRun_SimpleString(script_);
free(script_);
}
else
{
char *script_ = align_program(script);
if (script_)
{
PyRun_SimpleString(script_);
free(script_);
}
}
RARCH_LOG("Python: Script loaded.\n");
handle->dict = PyModule_GetDict(handle->main);
if (!handle->dict)
{
RARCH_ERR("Python: PyModule_GetDict() failed.\n");
goto error;
}
Py_INCREF(handle->dict);
hook = PyDict_GetItemString(handle->dict, pyclass);
if (!hook)
{
RARCH_ERR("Python: PyDict_GetItemString() failed.\n");
goto error;
}
handle->inst = PyObject_CallFunction(hook, NULL);
if (!handle->inst)
{
RARCH_ERR("Python: PyObject_CallFunction() failed.\n");
goto error;
}
Py_INCREF(handle->inst);
return handle;
error:
PyErr_Print();
PyErr_Clear();
py_state_free(handle);
return NULL;
}
