dependent delimiter character, which is ``':'`` on Unix and Mac OS X, ``';'``
on Windows.
- This also causes :data:`sys.executable` to be set only to the raw program
- name (see :c:func:`Py_SetProgramName`) and for :data:`sys.prefix` and
+ This also causes :data:`sys.executable` to be set to the program
+ full path (see :c:func:`Py_GetProgramFullPath`) and for :data:`sys.prefix` and
:data:`sys.exec_prefix` to be empty. It is up to the caller to modify these
if required after calling :c:func:`Py_Initialize`.
The path argument is copied internally, so the caller may free it after the
call completes.
+ .. versionchanged:: 3.8
+ The program full path is now used for :data:`sys.executable`, instead
+ of the program name.
+
.. c:function:: const char* Py_GetVersion()
parameter for indicating the number of positional-only arguments.
(Contributed by Pablo Galindo in :issue:`37221`.)
+* :c:func:`Py_SetPath` now sets :data:`sys.executable` to the program full
+ path (:c:func:`Py_GetProgramFullPath`) rather than to the program name
+ (:c:func:`Py_GetProgramName`).
+ (Contributed by Victor Stinner in :issue:`38234`.)
+
Deprecated
==========
static int
copy_wstr(wchar_t **dst, const wchar_t *src)
{
+ assert(*dst == NULL);
if (src != NULL) {
*dst = _PyMem_RawWcsdup(src);
if (*dst == NULL) {
_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
if (config->module_search_paths_set) {
+ PyMem_RawFree(pathconfig->module_search_path);
pathconfig->module_search_path = _PyWideStringList_Join(&config->module_search_paths, DELIM);
if (pathconfig->module_search_path == NULL) {
goto no_memory;
#define COPY_CONFIG(PATH_ATTR, CONFIG_ATTR) \
if (config->CONFIG_ATTR) { \
+ PyMem_RawFree(pathconfig->PATH_ATTR); \
+ pathconfig->PATH_ATTR = NULL; \
if (copy_wstr(&pathconfig->PATH_ATTR, config->CONFIG_ATTR) < 0) { \
goto no_memory; \
} \
PyMemAllocatorEx old_alloc;
_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
- /* Getting the program name calls pathconfig_global_init() */
- wchar_t *program_name = _PyMem_RawWcsdup(Py_GetProgramName());
+ /* Getting the program full path calls pathconfig_global_init() */
+ wchar_t *program_full_path = _PyMem_RawWcsdup(Py_GetProgramFullPath());
PyMem_RawFree(_Py_path_config.program_full_path);
PyMem_RawFree(_Py_path_config.prefix);
PyMem_RawFree(_Py_path_config.exec_prefix);
PyMem_RawFree(_Py_path_config.module_search_path);
- /* Copy program_name to program_full_path */
- _Py_path_config.program_full_path = program_name;
+ _Py_path_config.program_full_path = program_full_path;
_Py_path_config.prefix = _PyMem_RawWcsdup(L"");
_Py_path_config.exec_prefix = _PyMem_RawWcsdup(L"");
_Py_path_config.module_search_path = _PyMem_RawWcsdup(path);