135     interp->modules_by_index = NULL;  in PyInterpreterState_New()
207     Py_CLEAR(interp->modules_by_index);  in PyInterpreterState_Clear()
456     if (state->modules_by_index == NULL)  in PyState_FindModule()
458     if (index >= PyList_GET_SIZE(state->modules_by_index))  in PyState_FindModule()
460     res = PyList_GET_ITEM(state->modules_by_index, index);  in PyState_FindModule()
478     if (!state->modules_by_index) {  in _PyState_AddModule()
479         state->modules_by_index = PyList_New(0);  in _PyState_AddModule()
480         if (!state->modules_by_index)  in _PyState_AddModule()
483     while(PyList_GET_SIZE(state->modules_by_index) <= def->m_base.m_index)  in _PyState_AddModule()
484         if (PyList_Append(state->modules_by_index, Py_None) < 0)  in _PyState_AddModule()
487     return PyList_SetItem(state->modules_by_index,  in _PyState_AddModule()
501     if (state->modules_by_index) {  in PyState_AddModule()
502         if(PyList_GET_SIZE(state->modules_by_index) >= index) {  in PyState_AddModule()
503             if(module == PyList_GET_ITEM(state->modules_by_index, index)) {  in PyState_AddModule()
527     if (state->modules_by_index == NULL) {  in PyState_RemoveModule()
531     if (index > PyList_GET_SIZE(state->modules_by_index)) {  in PyState_RemoveModule()
536     return PyList_SetItem(state->modules_by_index, index, Py_None);  in PyState_RemoveModule()
544     if (state->modules_by_index) {  in _PyState_ClearModules()
546         for (i = 0; i < PyList_GET_SIZE(state->modules_by_index); i++) {  in _PyState_ClearModules()
547             PyObject *m = PyList_GET_ITEM(state->modules_by_index, i);  in _PyState_ClearModules()
557         if (PyList_SetSlice(state->modules_by_index,  in _PyState_ClearModules()
558                             0, PyList_GET_SIZE(state->modules_by_index),  in _PyState_ClearModules()
560             PyErr_WriteUnraisable(state->modules_by_index);  in _PyState_ClearModules()