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gh-117764: Add docstrings and signatures for the types of None, Ellipsis and NotImplemented #117813

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Apr 12, 2024
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gh-117764: Add docstrings and signatures for the types of None, Ellipsis and NotImplemented #117813

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4 changes: 2 additions & 2 deletions Lib/test/test_descr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1687,10 +1687,10 @@ class D(C):
self.assertEqual(d.foo(1), (d, 1))
self.assertEqual(D.foo(d, 1), (d, 1))
sm = staticmethod(None)
self.assertEqual(sm.__dict__, {'__doc__': None})
self.assertEqual(sm.__dict__, {'__doc__': None.__doc__})
sm.x = 42
self.assertEqual(sm.x, 42)
self.assertEqual(sm.__dict__, {"x" : 42, '__doc__': None})
self.assertEqual(sm.__dict__, {"x" : 42, '__doc__': None.__doc__})
del sm.x
self.assertNotHasAttr(sm, "x")

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2 changes: 1 addition & 1 deletion Lib/test/test_rlcompleter.py
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Expand Up @@ -55,7 +55,7 @@ def test_attr_matches(self):
if x.startswith('s')])
self.assertEqual(self.stdcompleter.attr_matches('tuple.foospamegg'), [])
expected = sorted({'None.%s%s' % (x,
'()' if x == '__init_subclass__'
'()' if x in ('__init_subclass__', '__class__')
else '' if x == '__doc__'
else '(')
for x in dir(None)})
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14 changes: 12 additions & 2 deletions Objects/object.c
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Expand Up @@ -2007,6 +2007,11 @@ static PyNumberMethods none_as_number = {
0, /* nb_index */
};

PyDoc_STRVAR(none_doc,
"NoneType()\n"
"--\n\n"
"The type of the None singleton.");

PyTypeObject _PyNone_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"NoneType",
Expand All @@ -2028,7 +2033,7 @@ PyTypeObject _PyNone_Type = {
0, /*tp_setattro */
0, /*tp_as_buffer */
Py_TPFLAGS_DEFAULT, /*tp_flags */
0, /*tp_doc */
none_doc, /*tp_doc */
0, /*tp_traverse */
0, /*tp_clear */
_Py_BaseObject_RichCompare, /*tp_richcompare */
Expand Down Expand Up @@ -2106,6 +2111,11 @@ static PyNumberMethods notimplemented_as_number = {
.nb_bool = notimplemented_bool,
};

PyDoc_STRVAR(notimplemented_doc,
"NotImplementedType()\n"
"--\n\n"
"The type of the NotImplemented singleton.");

PyTypeObject _PyNotImplemented_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"NotImplementedType",
Expand All @@ -2127,7 +2137,7 @@ PyTypeObject _PyNotImplemented_Type = {
0, /*tp_setattro */
0, /*tp_as_buffer */
Py_TPFLAGS_DEFAULT, /*tp_flags */
0, /*tp_doc */
notimplemented_doc, /*tp_doc */
0, /*tp_traverse */
0, /*tp_clear */
0, /*tp_richcompare */
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7 changes: 6 additions & 1 deletion Objects/sliceobject.c
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Expand Up @@ -57,6 +57,11 @@ static PyMethodDef ellipsis_methods[] = {
{NULL, NULL}
};

PyDoc_STRVAR(ellipsis_doc,
"ellipsis()\n"
"--\n\n"
"The type of the Ellipsis singleton.");

PyTypeObject PyEllipsis_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"ellipsis", /* tp_name */
Expand All @@ -78,7 +83,7 @@ PyTypeObject PyEllipsis_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
ellipsis_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
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