[3.7] bpo-34977: Use venv redirector instead of original python.exe on Windows (GH-11029)
diff --git a/PC/getpathp.c b/PC/getpathp.c
index 599b41b..1b553d5 100644
--- a/PC/getpathp.c
+++ b/PC/getpathp.c
@@ -536,10 +536,16 @@
get_program_full_path(const _PyCoreConfig *core_config,
PyCalculatePath *calculate, _PyPathConfig *config)
{
+ const wchar_t *pyvenv_launcher;
wchar_t program_full_path[MAXPATHLEN+1];
memset(program_full_path, 0, sizeof(program_full_path));
- if (!GetModuleFileNameW(NULL, program_full_path, MAXPATHLEN)) {
+ /* The launcher may need to force the executable path to a
+ * different environment, so override it here. */
+ pyvenv_launcher = _wgetenv(L"__PYVENV_LAUNCHER__");
+ if (pyvenv_launcher && pyvenv_launcher[0]) {
+ wcscpy_s(program_full_path, MAXPATHLEN+1, pyvenv_launcher);
+ } else if (!GetModuleFileNameW(NULL, program_full_path, MAXPATHLEN)) {
/* GetModuleFileName should never fail when passed NULL */
return _Py_INIT_ERR("Cannot determine program path");
}