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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "lib/replace/system/python.h"
#include "py3compat.h"
#include "includes.h"
#include "python/modules.h"
#include "dynconfig/dynconfig.h"
static bool PySys_PathPrepend(PyObject *list, const char *path)
{
bool ok;
PyObject *py_path = PyUnicode_FromString(path);
if (py_path == NULL) {
return false;
}
ok = PyList_Insert(list, 0, py_path) == 0;
Py_XDECREF(py_path);
return ok;
}
bool py_update_path(void)
{
PyObject *mod_sys = NULL;
PyObject *py_path = NULL;
mod_sys = PyImport_ImportModule("sys");
if (mod_sys == NULL) {
return false;
}
py_path = PyObject_GetAttrString(mod_sys, "path");
if (py_path == NULL) {
goto error;
}
if (!PyList_Check(py_path)) {
goto error;
}
if (!PySys_PathPrepend(py_path, dyn_PYTHONDIR)) {
goto error;
}
if (strcmp(dyn_PYTHONARCHDIR, dyn_PYTHONDIR) != 0) {
if (!PySys_PathPrepend(py_path, dyn_PYTHONARCHDIR)) {
goto error;
}
}
Py_XDECREF(py_path);
Py_XDECREF(mod_sys);
return true;
error:
Py_XDECREF(py_path);
Py_XDECREF(mod_sys);
return false;
}
char **PyList_AsStringList(TALLOC_CTX *mem_ctx, PyObject *list,
const char *paramname)
{
char **ret;
Py_ssize_t i;
if (!PyList_Check(list)) {
PyErr_Format(PyExc_TypeError, "%s is not a list", paramname);
return NULL;
}
ret = talloc_array(NULL, char *, PyList_Size(list)+1);
if (ret == NULL) {
PyErr_NoMemory();
return NULL;
}
for (i = 0; i < PyList_Size(list); i++) {
const char *value;
Py_ssize_t size;
PyObject *item = PyList_GetItem(list, i);
if (!PyUnicode_Check(item)) {
PyErr_Format(PyExc_TypeError, "%s should be strings", paramname);
talloc_free(ret);
return NULL;
}
value = PyUnicode_AsUTF8AndSize(item, &size);
if (value == NULL) {
talloc_free(ret);
return NULL;
}
ret[i] = talloc_strndup(ret, value, size);
if (ret[i] == NULL) {
PyErr_NoMemory();
talloc_free(ret);
return NULL;
}
}
ret[i] = NULL;
return ret;
}
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