166 lines
4.3 KiB
C
166 lines
4.3 KiB
C
/*
|
|
* UPIWIN - Micro Pi Windowing Framework Kernel
|
|
* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <alloca.h>
|
|
#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;
|
|
Py_FinalizeEx();
|
|
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;
|
|
}
|
|
|
|
HRESULT Epython_run(void)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
int i;
|
|
FILE *fp;
|
|
wchar_t **args;
|
|
|
|
Log(LINFO, "Ready to execute %s", Gconfig.script_name);
|
|
fp = fopen(Gconfig.script_name, "rb");
|
|
if (fp)
|
|
{
|
|
args = (wchar_t **)alloca((Gconfig.script_arg_count + 1) * sizeof(wchar_t *));
|
|
memset(args, 0, (Gconfig.script_arg_count + 1) * sizeof(wchar_t *));
|
|
args[0] = Py_DecodeLocale(Gconfig.script_name, NULL);
|
|
if (args[0])
|
|
{
|
|
for (i=0; i<Gconfig.script_arg_count; i++)
|
|
{
|
|
args[i + 1] = Py_DecodeLocale(Gconfig.script_args[i], NULL);
|
|
if (!(args[i + 1]))
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
break;
|
|
}
|
|
}
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
PySys_SetArgvEx(Gconfig.script_arg_count + 1, args, 1);
|
|
PyRun_SimpleFile(fp, Gconfig.script_name);
|
|
}
|
|
else
|
|
Log(LERROR, "out of memory running script %s", Gconfig.script_name);
|
|
}
|
|
else
|
|
{
|
|
Log(LERROR, "out of memory running script %s", Gconfig.script_name);
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
for (i = 0; i<(Gconfig.script_arg_count + 1); i++)
|
|
if (args[i])
|
|
PyMem_RawFree(args[i]);
|
|
fclose(fp);
|
|
}
|
|
else
|
|
{
|
|
Log(LERROR, "Unable to open script file %s", Gconfig.script_name);
|
|
hr = E_ACCESSDENIED;
|
|
}
|
|
return hr;
|
|
}
|