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bpo-1635741: Port _contextvars module to multiphase initialization (PEP 489) (GH-18374)

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Hai Shi 2020-02-17 21:49:26 +08:00 committed by GitHub
parent 3d235f5c5c
commit 7d7956833c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 39 additions and 35 deletions
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1
Misc/NEWS.d/next/Core and Builtins/2020-02-06-09-00-35.bpo-1635741.oaxe1j.rst Normal file
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@ -0,0 +1 @@
Port _contextvars extension module to multiphase initialization (:pep:`489`).

73
Modules/_contextvarsmodule.c
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@ -27,13 +27,48 @@ static PyMethodDef _contextvars_methods[] = {
{NULL, NULL}
};
static int
_contextvars_exec(PyObject *m)
{
Py_INCREF(&PyContext_Type);
if (PyModule_AddObject(m, "Context",
(PyObject *)&PyContext_Type) < 0)
{
Py_DECREF(&PyContext_Type);
return -1;
}
Py_INCREF(&PyContextVar_Type);
if (PyModule_AddObject(m, "ContextVar",
(PyObject *)&PyContextVar_Type) < 0)
{
Py_DECREF(&PyContextVar_Type);
return -1;
}
Py_INCREF(&PyContextToken_Type);
if (PyModule_AddObject(m, "Token",
(PyObject *)&PyContextToken_Type) < 0)
{
Py_DECREF(&PyContextToken_Type);
return -1;
}
return 0;
}
static struct PyModuleDef_Slot _contextvars_slots[] = {
{Py_mod_exec, _contextvars_exec},
{0, NULL}
};
static struct PyModuleDef _contextvarsmodule = {
PyModuleDef_HEAD_INIT, /* m_base */
"_contextvars", /* m_name */
module_doc, /* m_doc */
-1, /* m_size */
0, /* m_size */
_contextvars_methods, /* m_methods */
NULL, /* m_slots */
_contextvars_slots, /* m_slots */
NULL, /* m_traverse */
NULL, /* m_clear */
NULL, /* m_free */
@ -42,37 +77,5 @@ static struct PyModuleDef _contextvarsmodule = {
PyMODINIT_FUNC
PyInit__contextvars(void)
{
PyObject *m = PyModule_Create(&_contextvarsmodule);
if (m == NULL) {
return NULL;
}
Py_INCREF(&PyContext_Type);
if (PyModule_AddObject(m, "Context",
(PyObject *)&PyContext_Type) < 0)
{
Py_DECREF(&PyContext_Type);
Py_DECREF(m);
return NULL;
}
Py_INCREF(&PyContextVar_Type);
if (PyModule_AddObject(m, "ContextVar",
(PyObject *)&PyContextVar_Type) < 0)
{
Py_DECREF(&PyContextVar_Type);
Py_DECREF(m);
return NULL;
}
Py_INCREF(&PyContextToken_Type);
if (PyModule_AddObject(m, "Token",
(PyObject *)&PyContextToken_Type) < 0)
{
Py_DECREF(&PyContextToken_Type);
Py_DECREF(m);
return NULL;
}
return m;
return PyModuleDef_Init(&_contextvarsmodule);
}