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gh-118527: Use `_Py_ID(__main__)` for main module name (#118528) 

Most module names are interned and immortalized, but the main
module was not. This partially addresses a scaling bottleneck in the
free-threaded when creating closure concurrently in the main module.
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Sam Gross 2024-05-03 11:05:30 -04:00 committed by GitHub
parent c8deb1e4b4
commit 24e643d4ef
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Python/pylifecycle.c
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@ -2348,7 +2348,7 @@ static PyStatus
add_main_module(PyInterpreterState *interp) add_main_module(PyInterpreterState *interp)
{ {
PyObject *m, *d, *ann_dict; PyObject *m, *d, *ann_dict;
m = PyImport_AddModule("__main__"); m = PyImport_AddModuleObject(&_Py_ID(__main__));
if (m == NULL) if (m == NULL)
return _PyStatus_ERR("can't create __main__ module"); return _PyStatus_ERR("can't create __main__ module");