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gh-98627: Use a Switch in PyModule_FromDefAndSpec2() #98734

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Merged
ericsnowcurrently merged 1 commit into from
Oct 27, 2022
Merged

gh-98627: Use a Switch in PyModule_FromDefAndSpec2() #98734

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32 changes: 18 additions & 14 deletions Objects/moduleobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -291,23 +291,27 @@ PyModule_FromDefAndSpec2(PyModuleDef* def, PyObject *spec, int module_api_versio
}

for (cur_slot = def->m_slots; cur_slot && cur_slot->slot; cur_slot++) {
if (cur_slot->slot == Py_mod_create) {
if (create) {
switch (cur_slot->slot) {
case Py_mod_create:
if (create) {
PyErr_Format(
PyExc_SystemError,
"module %s has multiple create slots",
name);
goto error;
}
create = cur_slot->value;
break;
case Py_mod_exec:
has_execution_slots = 1;
break;
default:
assert(cur_slot->slot < 0 || cur_slot->slot > _Py_mod_LAST_SLOT);
PyErr_Format(
PyExc_SystemError,
"module %s has multiple create slots",
name);
"module %s uses unknown slot ID %i",
name, cur_slot->slot);
goto error;
}
create = cur_slot->value;
} else if (cur_slot->slot < 0 || cur_slot->slot > _Py_mod_LAST_SLOT) {
PyErr_Format(
PyExc_SystemError,
"module %s uses unknown slot ID %i",
name, cur_slot->slot);
goto error;
} else {
has_execution_slots = 1;
}
}

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