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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2009-2025 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#include "libmu_py.h"
void
mu_py_script_init (int argc, char *argv[])
{
wchar_t **wargv;
int i;
if (!Py_IsInitialized ())
Py_Initialize ();
wargv = PyMem_Calloc (argc, sizeof (wargv[0]));
if (!wargv)
{
PyErr_SetNone (PyExc_MemoryError);
return; /* FIXME */
}
for (i = 0; i < argc; i++)
{
wargv[i] = Py_DecodeLocale (argv[i], NULL);
if (!wargv[i])
{
PyErr_SetNone (PyExc_MemoryError);
return; /* FIXME */
}
}
PySys_SetArgv (argc, wargv);
}
void
mu_py_script_finish (void)
{
Py_Finalize ();
}
static PyMethodDef nomethods[] = {
{ NULL, NULL }
};
int
mu_py_script_run (const char *python_filename, mu_py_script_data *data)
{
FILE *fp;
PyObject *py_module, *sysmodules;
struct PyModuleDef moddef = { .m_base = PyModuleDef_HEAD_INIT };
if (!python_filename)
return MU_ERR_OUT_PTR_NULL;
fp = fopen (python_filename, "r");
if (!fp)
return errno;
moddef.m_name = data->module_name;
moddef.m_doc = "";
moddef.m_size = -1;
moddef.m_methods = nomethods;
py_module = PyModule_Create (&moddef);
if (!py_module)
return MU_ERR_FAILURE;
for (; data->attrs->name; data->attrs++)
PyObject_SetAttrString (py_module, data->attrs->name, data->attrs->obj);
sysmodules = PyImport_GetModuleDict ();
PyMapping_SetItemString (sysmodules, moddef.m_name, py_module);
if (PyRun_SimpleFile (fp, python_filename))
return MU_ERR_FAILURE;
fclose (fp);
return 0;
}
int
mu_py_script_process_mailbox (int argc, char *argv[],
const char *python_filename,
const char *module_name,
mu_mailbox_t mbox)
{
int status;
PyMailbox *py_mbox;
mu_py_dict dict[2];
mu_py_script_data data[1];
mu_py_script_init (argc, argv);
py_mbox = PyMailbox_NEW ();
py_mbox->mbox = mbox;
Py_INCREF (py_mbox);
dict[0].name = "mailbox";
dict[0].obj = (PyObject *)py_mbox;
dict[1].name = NULL;
data[0].module_name = module_name;
data[0].attrs = dict;
status = mu_py_script_run (python_filename, data);
mu_py_script_finish ();
return status;
}
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