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#ifndef _MULTIDICT_STATE_H
#define _MULTIDICT_STATE_H
#ifdef __cplusplus
extern "C" {
#endif
/* State of the _multidict module */
typedef struct {
PyTypeObject *IStrType;
PyTypeObject *MultiDictType;
PyTypeObject *CIMultiDictType;
PyTypeObject *MultiDictProxyType;
PyTypeObject *CIMultiDictProxyType;
PyTypeObject *KeysViewType;
PyTypeObject *ItemsViewType;
PyTypeObject *ValuesViewType;
PyTypeObject *KeysIterType;
PyTypeObject *ItemsIterType;
PyTypeObject *ValuesIterType;
PyObject *str_lower;
PyObject *str_canonical;
} mod_state;
static inline mod_state *
get_mod_state(PyObject *mod)
{
mod_state *state = (mod_state *)PyModule_GetState(mod);
assert(state != NULL);
return state;
}
static inline mod_state *
get_mod_state_by_cls(PyTypeObject *cls)
{
mod_state *state = (mod_state *)PyType_GetModuleState(cls);
assert(state != NULL);
return state;
}
#if PY_VERSION_HEX < 0x030b0000
PyObject *
PyType_GetModuleByDef(PyTypeObject *tp, PyModuleDef *def)
{
PyModuleDef * mod_def;
if (!PyType_HasFeature(tp, Py_TPFLAGS_HEAPTYPE)) {
goto err;
}
PyObject *mod = NULL;
mod = PyType_GetModule(tp);
if (mod == NULL) {
PyErr_Clear();
} else {
mod_def = PyModule_GetDef(mod);
if (mod_def == def) {
return mod;
}
}
PyObject *mro = tp->tp_mro;
assert(mro != NULL);
assert(PyTuple_Check(mro));
assert(PyTuple_GET_SIZE(mro) >= 1);
assert(PyTuple_GET_ITEM(mro, 0) == (PyObject *)tp);
Py_ssize_t n = PyTuple_GET_SIZE(mro);
for (Py_ssize_t i = 1; i < n; i++) {
PyObject *super = PyTuple_GET_ITEM(mro, i);
if (!PyType_HasFeature((PyTypeObject *)super, Py_TPFLAGS_HEAPTYPE)) {
continue;
}
mod = PyType_GetModule((PyTypeObject*)super);
if (mod == NULL) {
PyErr_Clear();
} else {
mod_def = PyModule_GetDef(mod);
if (mod_def == def) {
return mod;
}
}
}
err:
PyErr_Format(
PyExc_TypeError,
"PyType_GetModuleByDef: No superclass of '%s' has the given module",
tp->tp_name);
return NULL;
}
#endif
static PyModuleDef multidict_module;
static inline int
get_mod_state_by_def_checked(PyObject *self, mod_state **ret)
{
PyTypeObject *tp = Py_TYPE(self);
PyObject *mod = PyType_GetModuleByDef(tp, &multidict_module);
if (mod == NULL) {
*ret = NULL;
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
PyErr_Clear();
return 0;
}
return -1;
}
*ret = get_mod_state(mod);
return 1;
}
static inline mod_state *
get_mod_state_by_def(PyObject *self)
{
PyTypeObject *tp = Py_TYPE(self);
PyObject *mod = PyType_GetModuleByDef(tp, &multidict_module);
assert(mod != NULL);
return get_mod_state(mod);
}
#ifdef __cplusplus
}
#endif
#endif
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