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gh-109853: Fix sys.path[0] For Subinterpreters (gh-109994)

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This change makes sure sys.path[0] is set properly for subinterpreters. Before, it wasn't getting set at all. This PR does not address the broader concerns from gh-109853.
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Eric Snow 2023-10-02 13:59:05 -06:00 • committed by GitHub
parent fc2cb86d21
commit a040a32ea2
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7 changed files with 214 additions and 10 deletions
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25
Python/pylifecycle.c
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@ -1209,6 +1209,31 @@ init_interp_main(PyThreadState *tstate)
}
}
if (!is_main_interp) {
// The main interpreter is handled in Py_Main(), for now.
if (config->sys_path_0 != NULL) {
PyObject *path0 = PyUnicode_FromWideChar(config->sys_path_0, -1);
if (path0 == NULL) {
return _PyStatus_ERR("can't initialize sys.path[0]");
}
PyObject *sysdict = interp->sysdict;
if (sysdict == NULL) {
Py_DECREF(path0);
return _PyStatus_ERR("can't initialize sys.path[0]");
}
PyObject *sys_path = PyDict_GetItemWithError(sysdict, &_Py_ID(path));
if (sys_path == NULL) {
Py_DECREF(path0);
return _PyStatus_ERR("can't initialize sys.path[0]");
}
int res = PyList_Insert(sys_path, 0, path0);
Py_DECREF(path0);
if (res) {
return _PyStatus_ERR("can't initialize sys.path[0]");
}
}
}
assert(!_PyErr_Occurred(tstate));
return _PyStatus_OK();