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Issue #18408: handle PySys_GetObject() failure, raise a RuntimeError

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This commit is contained in:
Victor Stinner 2013-07-16 22:26:05 +02:00
parent 1b63493ed1
commit 1e53bbaced
4 changed files with 22 additions and 9 deletions
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5
Python/bltinmodule.c
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@ -1550,6 +1550,11 @@ builtin_print(PyObject *self, PyObject *args, PyObject *kwds)
return NULL;
if (file == NULL || file == Py_None) {
file = PySys_GetObject("stdout");
if (file == NULL) {
PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout");
return NULL;
}
/* sys.stdout may be None when FILE* stdout isn't connected */
if (file == Py_None)
Py_RETURN_NONE;

14
Python/import.c
View file

@ -85,8 +85,10 @@ _PyImportZip_Init(void)
int err = 0;
path_hooks = PySys_GetObject("path_hooks");
if (path_hooks == NULL)
if (path_hooks == NULL) {
PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path_hooks");
goto error;
}
if (Py_VerboseFlag)
PySys_WriteStderr("# installing zipimport hook\n");
@ -944,11 +946,11 @@ PyAPI_FUNC(PyObject *)
PyImport_GetImporter(PyObject *path) {
PyObject *importer=NULL, *path_importer_cache=NULL, *path_hooks=NULL;
if ((path_importer_cache = PySys_GetObject("path_importer_cache"))) {
if ((path_hooks = PySys_GetObject("path_hooks"))) {
importer = get_path_importer(path_importer_cache,
path_hooks, path);
}
path_importer_cache = PySys_GetObject("path_importer_cache");
path_hooks = PySys_GetObject("path_hooks");
if (path_importer_cache != NULL && path_hooks != NULL) {
importer = get_path_importer(path_importer_cache,
path_hooks, path);
}
Py_XINCREF(importer); /* get_path_importer returns a borrowed reference */
return importer;