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bpo-31709: Drop support for asynchronous __aiter__. (#3903)

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This commit is contained in:
Yury Selivanov 2017-10-06 02:08:57 -04:00 • committed by GitHub
parent 86566702f3
commit faa135acbf
9 changed files with 47 additions and 300 deletions
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94
Objects/genobject.c
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@ -1141,100 +1141,6 @@ PyCoro_New(PyFrameObject *f, PyObject *name, PyObject *qualname)
}
/* __aiter__ wrapper; see http://bugs.python.org/issue27243 for details. */
typedef struct {
PyObject_HEAD
PyObject *ags_aiter;
} PyAIterWrapper;
static PyObject *
aiter_wrapper_iternext(PyAIterWrapper *aw)
{
_PyGen_SetStopIterationValue(aw->ags_aiter);
return NULL;
}
static int
aiter_wrapper_traverse(PyAIterWrapper *aw, visitproc visit, void *arg)
{
Py_VISIT((PyObject *)aw->ags_aiter);
return 0;
}
static void
aiter_wrapper_dealloc(PyAIterWrapper *aw)
{
_PyObject_GC_UNTRACK((PyObject *)aw);
Py_CLEAR(aw->ags_aiter);
PyObject_GC_Del(aw);
}
static PyAsyncMethods aiter_wrapper_as_async = {
PyObject_SelfIter, /* am_await */
0, /* am_aiter */
0 /* am_anext */
};
PyTypeObject _PyAIterWrapper_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"aiter_wrapper",
sizeof(PyAIterWrapper), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)aiter_wrapper_dealloc, /* destructor tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
&aiter_wrapper_as_async, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
"A wrapper object for __aiter__ bakwards compatibility.",
(traverseproc)aiter_wrapper_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
PyObject_SelfIter, /* tp_iter */
(iternextfunc)aiter_wrapper_iternext, /* tp_iternext */
0, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
0, /* tp_free */
};
PyObject *
_PyAIterWrapper_New(PyObject *aiter)
{
PyAIterWrapper *aw = PyObject_GC_New(PyAIterWrapper,
&_PyAIterWrapper_Type);
if (aw == NULL) {
return NULL;
}
Py_INCREF(aiter);
aw->ags_aiter = aiter;
_PyObject_GC_TRACK(aw);
return (PyObject *)aw;
}
/* ========= Asynchronous Generators ========= */