Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/python/modules.c b/python/modules.c
new file mode 100644
index 0000000..7934f3e
--- /dev/null
+++ b/python/modules.c
@@ -0,0 +1,114 @@
+/* 
+   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;
+}
+