upiwin/src/ep_init.c

94 lines
2.1 KiB
C

#define PY_SSIZE_T_CLEAN
#include <Python.h>
#include "scode.h"
#include "config.h"
#include "log.h"
#include "ep_init.h"
#include "ep_util.h"
static wchar_t *python_name = NULL; /* location of the Python executable */
PyObject *UPIWIN_module = NULL;
PyObject *UPIWIN_tmp_module = NULL;
/* used to link the two modules into Python's init table */
static struct _inittab upiwin_inittab[] = {
{ MOD_NAME_UPIWIN, Epython_init_upiwin_module },
{ MOD_NAME_UPIWIN_TMP, Epython_init_upiwin_tmp_module },
{ NULL, NULL }
};
static void epython_cleanup(void)
{
Py_DECREF(UPIWIN_tmp_module);
UPIWIN_tmp_module = NULL;
Py_DECREF(UPIWIN_module);
UPIWIN_module = NULL;
if (!Py_FinalizeEx())
Log(LWARN, "errors encountered when Python uninitialized itself");
PyMem_RawFree(python_name);
python_name = NULL;
}
HRESULT Epython_setup(void)
{
HRESULT hr;
size_t size;
python_name = Py_DecodeLocale(Gconfig.python_loc, &size);
if (!python_name)
{
if (size==(size_t)(-1))
{
Log(LFATAL, "error allocating Python program location");
return E_OUTOFMEMORY;
}
else
{
Log(LFATAL, "internal error in Py_DecodeLocale");
return E_UNEXPECTED;
}
}
Py_SetProgramName(python_name);
if (PyImport_ExtendInittab(upiwin_inittab))
{
Log(LFATAL, "error allocating extended init table");
hr = E_OUTOFMEMORY;
goto error_0;
}
Py_Initialize();
/* Import the modules */
UPIWIN_module = PyImport_ImportModule(MOD_NAME_UPIWIN);
if (!UPIWIN_module)
{
Log(LFATAL, "error importing the upiwin module");
hr = Epython_trace_exception();
goto error_1;
}
UPIWIN_tmp_module = PyImport_ImportModule(MOD_NAME_UPIWIN_TMP);
if (!UPIWIN_tmp_module)
{
Log(LFATAL, "error importing the upiwin_tmp module");
hr = Epython_trace_exception();
goto error_2;
}
hr = Config_exitfunc(epython_cleanup);
if (FAILED(hr))
epython_cleanup();
return hr;
error_2:
Py_DECREF(UPIWIN_module);
UPIWIN_module = NULL;
error_1:
Py_FinalizeEx();
error_0:
PyMem_RawFree(python_name);
python_name = NULL;
return hr;
}